Use described_class when possible

Signed-off-by: Rémy Coutable <remy@rymai.me>

106 files changed, 390 insertions, 390 deletions

diff --git a/spec/initializers/settings_spec.rb b/spec/initializers/settings_spec.rb
index 61439ac9506..ebdabcf93f1 100644
--- a/spec/initializers/settings_spec.rb
+++ b/spec/initializers/settings_spec.rb
@@ -5,37 +5,37 @@ describe Settings do
   describe '#host_without_www' do
     context 'URL with protocol' do
       it 'returns the host' do
-        expect(Settings.host_without_www('http://foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('http://www.foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('http://secure.foo.com')).to eq 'secure.foo.com'
-        expect(Settings.host_without_www('http://www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
+        expect(described_class.host_without_www('http://foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('http://www.foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('http://secure.foo.com')).to eq 'secure.foo.com'
+        expect(described_class.host_without_www('http://www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
 
-        expect(Settings.host_without_www('https://foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('https://www.foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('https://secure.foo.com')).to eq 'secure.foo.com'
-        expect(Settings.host_without_www('https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'secure.gravatar.com'
+        expect(described_class.host_without_www('https://foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('https://www.foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('https://secure.foo.com')).to eq 'secure.foo.com'
+        expect(described_class.host_without_www('https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'secure.gravatar.com'
       end
     end
 
     context 'URL without protocol' do
       it 'returns the host' do
-        expect(Settings.host_without_www('foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('www.foo.com')).to eq 'foo.com'
-        expect(Settings.host_without_www('secure.foo.com')).to eq 'secure.foo.com'
-        expect(Settings.host_without_www('www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
+        expect(described_class.host_without_www('foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('www.foo.com')).to eq 'foo.com'
+        expect(described_class.host_without_www('secure.foo.com')).to eq 'secure.foo.com'
+        expect(described_class.host_without_www('www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
       end
 
       context 'URL with user/port' do
         it 'returns the host' do
-          expect(Settings.host_without_www('bob:pass@foo.com:8080')).to eq 'foo.com'
-          expect(Settings.host_without_www('bob:pass@www.foo.com:8080')).to eq 'foo.com'
-          expect(Settings.host_without_www('bob:pass@secure.foo.com:8080')).to eq 'secure.foo.com'
-          expect(Settings.host_without_www('bob:pass@www.gravatar.com:8080/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
+          expect(described_class.host_without_www('bob:pass@foo.com:8080')).to eq 'foo.com'
+          expect(described_class.host_without_www('bob:pass@www.foo.com:8080')).to eq 'foo.com'
+          expect(described_class.host_without_www('bob:pass@secure.foo.com:8080')).to eq 'secure.foo.com'
+          expect(described_class.host_without_www('bob:pass@www.gravatar.com:8080/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
 
-          expect(Settings.host_without_www('http://bob:pass@foo.com:8080')).to eq 'foo.com'
-          expect(Settings.host_without_www('http://bob:pass@www.foo.com:8080')).to eq 'foo.com'
-          expect(Settings.host_without_www('http://bob:pass@secure.foo.com:8080')).to eq 'secure.foo.com'
-          expect(Settings.host_without_www('http://bob:pass@www.gravatar.com:8080/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
+          expect(described_class.host_without_www('http://bob:pass@foo.com:8080')).to eq 'foo.com'
+          expect(described_class.host_without_www('http://bob:pass@www.foo.com:8080')).to eq 'foo.com'
+          expect(described_class.host_without_www('http://bob:pass@secure.foo.com:8080')).to eq 'secure.foo.com'
+          expect(described_class.host_without_www('http://bob:pass@www.gravatar.com:8080/avatar/%{hash}?s=%{size}&d=identicon')).to eq 'gravatar.com'
         end
       end
     end
diff --git a/spec/lib/disable_email_interceptor_spec.rb b/spec/lib/disable_email_interceptor_spec.rb
index 9fc1dd523f1..3652d928c43 100644
--- a/spec/lib/disable_email_interceptor_spec.rb
+++ b/spec/lib/disable_email_interceptor_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe DisableEmailInterceptor do
   before do
-    Mail.register_interceptor(DisableEmailInterceptor)
+    Mail.register_interceptor(described_class)
   end
 
   it 'does not send emails' do
@@ -14,7 +14,7 @@ describe DisableEmailInterceptor do
     # Removing interceptor from the list because unregister_interceptor is
     # implemented in later version of mail gem
     # See: https://github.com/mikel/mail/pull/705
-    Mail.unregister_interceptor(DisableEmailInterceptor)
+    Mail.unregister_interceptor(described_class)
   end
 
   def deliver_mail
diff --git a/spec/lib/event_filter_spec.rb b/spec/lib/event_filter_spec.rb
index 09425c6bf68..b1366e74802 100644
--- a/spec/lib/event_filter_spec.rb
+++ b/spec/lib/event_filter_spec.rb
@@ -16,42 +16,42 @@ describe EventFilter do
     let!(:left_event)     { create(:event, :left,      project: public_project, target: public_project, author: source_user) }
 
     it 'applies push filter' do
-      events = EventFilter.new(EventFilter.push).apply_filter(Event.all)
+      events = described_class.new(described_class.push).apply_filter(Event.all)
       expect(events).to contain_exactly(push_event)
     end
 
     it 'applies merged filter' do
-      events = EventFilter.new(EventFilter.merged).apply_filter(Event.all)
+      events = described_class.new(described_class.merged).apply_filter(Event.all)
       expect(events).to contain_exactly(merged_event)
     end
 
     it 'applies issue filter' do
-      events = EventFilter.new(EventFilter.issue).apply_filter(Event.all)
+      events = described_class.new(described_class.issue).apply_filter(Event.all)
       expect(events).to contain_exactly(created_event, updated_event, closed_event, reopened_event)
     end
 
     it 'applies comments filter' do
-      events = EventFilter.new(EventFilter.comments).apply_filter(Event.all)
+      events = described_class.new(described_class.comments).apply_filter(Event.all)
       expect(events).to contain_exactly(comments_event)
     end
 
     it 'applies team filter' do
-      events = EventFilter.new(EventFilter.team).apply_filter(Event.all)
+      events = described_class.new(described_class.team).apply_filter(Event.all)
       expect(events).to contain_exactly(joined_event, left_event)
     end
 
     it 'applies all filter' do
-      events = EventFilter.new(EventFilter.all).apply_filter(Event.all)
+      events = described_class.new(described_class.all).apply_filter(Event.all)
       expect(events).to contain_exactly(push_event, merged_event, created_event, updated_event, closed_event, reopened_event, comments_event, joined_event, left_event)
     end
 
     it 'applies no filter' do
-      events = EventFilter.new(nil).apply_filter(Event.all)
+      events = described_class.new(nil).apply_filter(Event.all)
       expect(events).to contain_exactly(push_event, merged_event, created_event, updated_event, closed_event, reopened_event, comments_event, joined_event, left_event)
     end
 
     it 'applies unknown filter' do
-      events = EventFilter.new('').apply_filter(Event.all)
+      events = described_class.new('').apply_filter(Event.all)
       expect(events).to contain_exactly(push_event, merged_event, created_event, updated_event, closed_event, reopened_event, comments_event, joined_event, left_event)
     end
   end
diff --git a/spec/lib/extracts_path_spec.rb b/spec/lib/extracts_path_spec.rb
index 1772ca216e4..9b89f47ae7e 100644
--- a/spec/lib/extracts_path_spec.rb
+++ b/spec/lib/extracts_path_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe ExtractsPath do
-  include ExtractsPath
+  include described_class
   include RepoHelpers
   include Gitlab::Routing
 
diff --git a/spec/lib/file_size_validator_spec.rb b/spec/lib/file_size_validator_spec.rb
index 681cc9ef21c..49501931dd2 100644
--- a/spec/lib/file_size_validator_spec.rb
+++ b/spec/lib/file_size_validator_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe FileSizeValidator do
-  let(:validator) { FileSizeValidator.new(options) }
+  let(:validator) { described_class.new(options) }
   let(:attachment) { AttachmentUploader.new }
   let(:note) { create(:note) }
 
diff --git a/spec/lib/gitlab/bitbucket_import/importer_spec.rb b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
index 35c8a24aef4..df66a031fec 100644
--- a/spec/lib/gitlab/bitbucket_import/importer_spec.rb
+++ b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
@@ -58,7 +58,7 @@ describe Gitlab::BitbucketImport::Importer do
     )
   end
 
-  let(:importer) { Gitlab::BitbucketImport::Importer.new(project) }
+  let(:importer) { described_class.new(project) }
 
   let(:issues_statuses_sample_data) do
     {
diff --git a/spec/lib/gitlab/bitbucket_import/project_creator_spec.rb b/spec/lib/gitlab/bitbucket_import/project_creator_spec.rb
index 4bc0eaddd9e..d7f7b26740d 100644
--- a/spec/lib/gitlab/bitbucket_import/project_creator_spec.rb
+++ b/spec/lib/gitlab/bitbucket_import/project_creator_spec.rb
@@ -27,7 +27,7 @@ describe Gitlab::BitbucketImport::ProjectCreator do
   it 'creates project' do
     allow_any_instance_of(Project).to receive(:add_import_job)
 
-    project_creator = Gitlab::BitbucketImport::ProjectCreator.new(repo, 'vim', namespace, user, access_params)
+    project_creator = described_class.new(repo, 'vim', namespace, user, access_params)
     project = project_creator.execute
 
     expect(project.import_url).to eq("ssh://git@bitbucket.org/asd/vim.git")
diff --git a/spec/lib/gitlab/ci_access_spec.rb b/spec/lib/gitlab/ci_access_spec.rb
index fcb9f10d6c0..75b90e76083 100644
--- a/spec/lib/gitlab/ci_access_spec.rb
+++ b/spec/lib/gitlab/ci_access_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::CiAccess do
-  let(:access) { Gitlab::CiAccess.new }
+  let(:access) { described_class.new }
 
   describe '#can_do_action?' do
     context 'when action is :build_download_code' do
diff --git a/spec/lib/gitlab/conflict/file_spec.rb b/spec/lib/gitlab/conflict/file_spec.rb
index c0a10124730..5356e9742b4 100644
--- a/spec/lib/gitlab/conflict/file_spec.rb
+++ b/spec/lib/gitlab/conflict/file_spec.rb
@@ -10,7 +10,7 @@ describe Gitlab::Conflict::File do
   let(:index) { rugged.merge_commits(our_commit, their_commit) }
   let(:conflict) { index.conflicts.last }
   let(:merge_file_result) { index.merge_file('files/ruby/regex.rb') }
-  let(:conflict_file) { Gitlab::Conflict::File.new(merge_file_result, conflict, merge_request: merge_request) }
+  let(:conflict_file) { described_class.new(merge_file_result, conflict, merge_request: merge_request) }
 
   describe '#resolve_lines' do
     let(:section_keys) { conflict_file.sections.map { |section| section[:id] }.compact }
@@ -220,7 +220,7 @@ end
 FILE
       end
 
-      let(:conflict_file) { Gitlab::Conflict::File.new({ data: file }, conflict, merge_request: merge_request) }
+      let(:conflict_file) { described_class.new({ data: file }, conflict, merge_request: merge_request) }
       let(:sections) { conflict_file.sections }
 
       it 'sets the correct match line headers' do
diff --git a/spec/lib/gitlab/conflict/parser_spec.rb b/spec/lib/gitlab/conflict/parser_spec.rb
index ad99a5fb6bf..fce606a2bb5 100644
--- a/spec/lib/gitlab/conflict/parser_spec.rb
+++ b/spec/lib/gitlab/conflict/parser_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::Conflict::Parser do
-  let(:parser) { Gitlab::Conflict::Parser.new }
+  let(:parser) { described_class.new }
 
   describe '#parse' do
     def parse_text(text)
diff --git a/spec/lib/gitlab/database/migration_helpers_spec.rb b/spec/lib/gitlab/database/migration_helpers_spec.rb
index 0e0354bc532..d3dbd82e8ba 100644
--- a/spec/lib/gitlab/database/migration_helpers_spec.rb
+++ b/spec/lib/gitlab/database/migration_helpers_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::Database::MigrationHelpers do
   let(:model) do
     ActiveRecord::Migration.new.extend(
-      Gitlab::Database::MigrationHelpers
+      described_class
     )
   end
 
diff --git a/spec/lib/gitlab/diff/highlight_spec.rb b/spec/lib/gitlab/diff/highlight_spec.rb
index ffa83d6a8f2..cd602ccab8e 100644
--- a/spec/lib/gitlab/diff/highlight_spec.rb
+++ b/spec/lib/gitlab/diff/highlight_spec.rb
@@ -10,7 +10,7 @@ describe Gitlab::Diff::Highlight do
 
   describe '#highlight' do
     context "with a diff file" do
-      let(:subject) { Gitlab::Diff::Highlight.new(diff_file, repository: project.repository).highlight }
+      let(:subject) { described_class.new(diff_file, repository: project.repository).highlight }
 
       it 'returns Gitlab::Diff::Line elements' do
         expect(subject.first).to be_an_instance_of(Gitlab::Diff::Line)
@@ -41,7 +41,7 @@ describe Gitlab::Diff::Highlight do
     end
 
     context "with diff lines" do
-      let(:subject) { Gitlab::Diff::Highlight.new(diff_file.diff_lines, repository: project.repository).highlight }
+      let(:subject) { described_class.new(diff_file.diff_lines, repository: project.repository).highlight }
 
       it 'returns Gitlab::Diff::Line elements' do
         expect(subject.first).to be_an_instance_of(Gitlab::Diff::Line)
diff --git a/spec/lib/gitlab/diff/parser_spec.rb b/spec/lib/gitlab/diff/parser_spec.rb
index e16c31d7eb8..c71568e2a65 100644
--- a/spec/lib/gitlab/diff/parser_spec.rb
+++ b/spec/lib/gitlab/diff/parser_spec.rb
@@ -6,7 +6,7 @@ describe Gitlab::Diff::Parser do
   let(:project) { create(:project) }
   let(:commit) { project.commit(sample_commit.id) }
   let(:diff) { commit.raw_diffs.first }
-  let(:parser) { Gitlab::Diff::Parser.new }
+  let(:parser) { described_class.new }
 
   describe '#parse' do
     let(:diff) do
diff --git a/spec/lib/gitlab/git/hook_spec.rb b/spec/lib/gitlab/git/hook_spec.rb
index ff823e53cac..19391a70cf6 100644
--- a/spec/lib/gitlab/git/hook_spec.rb
+++ b/spec/lib/gitlab/git/hook_spec.rb
@@ -5,7 +5,7 @@ describe Gitlab::Git::Hook do
   before do
     # We need this because in the spec/spec_helper.rb we define it like this:
     # allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
-    allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_call_original
+    allow_any_instance_of(described_class).to receive(:trigger).and_call_original
   end
 
   describe "#trigger" do
@@ -48,7 +48,7 @@ describe Gitlab::Git::Hook do
 
           it "returns success with no errors" do
             create_hook(hook_name)
-            hook = Gitlab::Git::Hook.new(hook_name, project)
+            hook = described_class.new(hook_name, project)
             blank = Gitlab::Git::BLANK_SHA
             ref = Gitlab::Git::BRANCH_REF_PREFIX + 'new_branch'
 
@@ -66,7 +66,7 @@ describe Gitlab::Git::Hook do
         context "when the hook is unsuccessful" do
           it "returns failure with errors" do
             create_failing_hook(hook_name)
-            hook = Gitlab::Git::Hook.new(hook_name, project)
+            hook = described_class.new(hook_name, project)
             blank = Gitlab::Git::BLANK_SHA
             ref = Gitlab::Git::BRANCH_REF_PREFIX + 'new_branch'
 
@@ -80,7 +80,7 @@ describe Gitlab::Git::Hook do
 
     context "when the hook doesn't exist" do
       it "returns success with no errors" do
-        hook = Gitlab::Git::Hook.new('unknown_hook', project)
+        hook = described_class.new('unknown_hook', project)
         blank = Gitlab::Git::BLANK_SHA
         ref = Gitlab::Git::BRANCH_REF_PREFIX + 'new_branch'
 
diff --git a/spec/lib/gitlab/git/rev_list_spec.rb b/spec/lib/gitlab/git/rev_list_spec.rb
index 26fc33b8327..b051a088171 100644
--- a/spec/lib/gitlab/git/rev_list_spec.rb
+++ b/spec/lib/gitlab/git/rev_list_spec.rb
@@ -11,7 +11,7 @@ describe Gitlab::Git::RevList do
   end
 
   context "#new_refs" do
-    let(:rev_list) { Gitlab::Git::RevList.new(newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
+    let(:rev_list) { described_class.new(newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
 
     it 'calls out to `popen`' do
       expect(Gitlab::Popen).to receive(:popen).with([
@@ -33,7 +33,7 @@ describe Gitlab::Git::RevList do
   end
 
   context "#missed_ref" do
-    let(:rev_list) { Gitlab::Git::RevList.new(oldrev: 'oldrev', newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
+    let(:rev_list) { described_class.new(oldrev: 'oldrev', newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
 
     it 'calls out to `popen`' do
       expect(Gitlab::Popen).to receive(:popen).with([
diff --git a/spec/lib/gitlab/git_access_spec.rb b/spec/lib/gitlab/git_access_spec.rb
index 14c424b86e4..2d6ea37d0ac 100644
--- a/spec/lib/gitlab/git_access_spec.rb
+++ b/spec/lib/gitlab/git_access_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::GitAccess do
   let(:pull_access_check) { access.check('git-upload-pack', '_any') }
   let(:push_access_check) { access.check('git-receive-pack', '_any') }
-  let(:access) { Gitlab::GitAccess.new(actor, project, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
+  let(:access) { described_class.new(actor, project, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
   let(:project) { create(:project, :repository) }
   let(:user) { create(:user) }
   let(:actor) { user }
@@ -280,7 +280,7 @@ describe Gitlab::GitAccess do
 
       context 'when project is public' do
         let(:public_project) { create(:project, :public, :repository) }
-        let(:access) { Gitlab::GitAccess.new(nil, public_project, 'web', authentication_abilities: []) }
+        let(:access) { described_class.new(nil, public_project, 'web', authentication_abilities: []) }
 
         context 'when repository is enabled' do
           it 'give access to download code' do
@@ -441,7 +441,7 @@ describe Gitlab::GitAccess do
           end
 
           permissions_matrix[role].each do |action, allowed|
-            context action do
+            context action.to_s do
               subject { access.send(:check_push_access!, changes[action]) }
 
               it do
diff --git a/spec/lib/gitlab/git_access_wiki_spec.rb b/spec/lib/gitlab/git_access_wiki_spec.rb
index 2a710fbdf06..0376b4ee783 100644
--- a/spec/lib/gitlab/git_access_wiki_spec.rb
+++ b/spec/lib/gitlab/git_access_wiki_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::GitAccessWiki do
-  let(:access) { Gitlab::GitAccessWiki.new(user, project, 'web', authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
+  let(:access) { described_class.new(user, project, 'web', authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
   let(:project) { create(:project, :repository) }
   let(:user) { create(:user) }
   let(:redirected_path) { nil }
diff --git a/spec/lib/gitlab/git_ref_validator_spec.rb b/spec/lib/gitlab/git_ref_validator_spec.rb
index 91a25b7c0f0..e1fa8ae03f8 100644
--- a/spec/lib/gitlab/git_ref_validator_spec.rb
+++ b/spec/lib/gitlab/git_ref_validator_spec.rb
@@ -1,25 +1,25 @@
 require 'spec_helper'
 
 describe Gitlab::GitRefValidator do
-  it { expect(Gitlab::GitRefValidator.validate('feature/new')).to be_truthy }
-  it { expect(Gitlab::GitRefValidator.validate('implement_@all')).to be_truthy }
-  it { expect(Gitlab::GitRefValidator.validate('my_new_feature')).to be_truthy }
-  it { expect(Gitlab::GitRefValidator.validate('#1')).to be_truthy }
-  it { expect(Gitlab::GitRefValidator.validate('feature/refs/heads/foo')).to be_truthy }
-  it { expect(Gitlab::GitRefValidator.validate('feature/~new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/^new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/:new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/?new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/*new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/[new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/new/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature/new.')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature\@{')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature\new')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature//new')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('feature new')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('refs/heads/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('refs/remotes/')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('refs/heads/feature')).to be_falsey }
-  it { expect(Gitlab::GitRefValidator.validate('refs/remotes/origin')).to be_falsey }
+  it { expect(described_class.validate('feature/new')).to be_truthy }
+  it { expect(described_class.validate('implement_@all')).to be_truthy }
+  it { expect(described_class.validate('my_new_feature')).to be_truthy }
+  it { expect(described_class.validate('#1')).to be_truthy }
+  it { expect(described_class.validate('feature/refs/heads/foo')).to be_truthy }
+  it { expect(described_class.validate('feature/~new/')).to be_falsey }
+  it { expect(described_class.validate('feature/^new/')).to be_falsey }
+  it { expect(described_class.validate('feature/:new/')).to be_falsey }
+  it { expect(described_class.validate('feature/?new/')).to be_falsey }
+  it { expect(described_class.validate('feature/*new/')).to be_falsey }
+  it { expect(described_class.validate('feature/[new/')).to be_falsey }
+  it { expect(described_class.validate('feature/new/')).to be_falsey }
+  it { expect(described_class.validate('feature/new.')).to be_falsey }
+  it { expect(described_class.validate('feature\@{')).to be_falsey }
+  it { expect(described_class.validate('feature\new')).to be_falsey }
+  it { expect(described_class.validate('feature//new')).to be_falsey }
+  it { expect(described_class.validate('feature new')).to be_falsey }
+  it { expect(described_class.validate('refs/heads/')).to be_falsey }
+  it { expect(described_class.validate('refs/remotes/')).to be_falsey }
+  it { expect(described_class.validate('refs/heads/feature')).to be_falsey }
+  it { expect(described_class.validate('refs/remotes/origin')).to be_falsey }
 end
diff --git a/spec/lib/gitlab/git_spec.rb b/spec/lib/gitlab/git_spec.rb
index 88f5c106c80..4702a978f19 100644
--- a/spec/lib/gitlab/git_spec.rb
+++ b/spec/lib/gitlab/git_spec.rb
@@ -6,7 +6,7 @@ describe Gitlab::Git do
 
   describe 'committer_hash' do
     it "returns a hash containing the given email and name" do
-      committer_hash = Gitlab::Git.committer_hash(email: committer_email, name: committer_name)
+      committer_hash = described_class.committer_hash(email: committer_email, name: committer_name)
 
       expect(committer_hash[:email]).to eq(committer_email)
       expect(committer_hash[:name]).to eq(committer_name)
@@ -15,7 +15,7 @@ describe Gitlab::Git do
 
     context 'when email is nil' do
       it "returns nil" do
-        committer_hash = Gitlab::Git.committer_hash(email: nil, name: committer_name)
+        committer_hash = described_class.committer_hash(email: nil, name: committer_name)
 
         expect(committer_hash).to be_nil
       end
@@ -23,7 +23,7 @@ describe Gitlab::Git do
 
     context 'when name is nil' do
       it "returns nil" do
-        committer_hash = Gitlab::Git.committer_hash(email: committer_email, name: nil)
+        committer_hash = described_class.committer_hash(email: committer_email, name: nil)
 
         expect(committer_hash).to be_nil
       end
diff --git a/spec/lib/gitlab/gitlab_import/client_spec.rb b/spec/lib/gitlab/gitlab_import/client_spec.rb
index 977135b3310..50e8d7183ce 100644
--- a/spec/lib/gitlab/gitlab_import/client_spec.rb
+++ b/spec/lib/gitlab/gitlab_import/client_spec.rb
@@ -4,7 +4,7 @@ describe Gitlab::GitlabImport::Client do
   include ImportSpecHelper
 
   let(:token) { '123456' }
-  let(:client) { Gitlab::GitlabImport::Client.new(token) }
+  let(:client) { described_class.new(token) }
 
   before do
     stub_omniauth_provider('gitlab')
diff --git a/spec/lib/gitlab/gitlab_import/project_creator_spec.rb b/spec/lib/gitlab/gitlab_import/project_creator_spec.rb
index 2d8923d14bb..da48d8f0670 100644
--- a/spec/lib/gitlab/gitlab_import/project_creator_spec.rb
+++ b/spec/lib/gitlab/gitlab_import/project_creator_spec.rb
@@ -23,7 +23,7 @@ describe Gitlab::GitlabImport::ProjectCreator do
   it 'creates project' do
     allow_any_instance_of(Project).to receive(:add_import_job)
 
-    project_creator = Gitlab::GitlabImport::ProjectCreator.new(repo, namespace, user, access_params)
+    project_creator = described_class.new(repo, namespace, user, access_params)
     project = project_creator.execute
 
     expect(project.import_url).to eq("https://oauth2:asdffg@gitlab.com/asd/vim.git")
diff --git a/spec/lib/gitlab/google_code_import/project_creator_spec.rb b/spec/lib/gitlab/google_code_import/project_creator_spec.rb
index 35549b48687..aad53938d52 100644
--- a/spec/lib/gitlab/google_code_import/project_creator_spec.rb
+++ b/spec/lib/gitlab/google_code_import/project_creator_spec.rb
@@ -18,7 +18,7 @@ describe Gitlab::GoogleCodeImport::ProjectCreator do
   it 'creates project' do
     allow_any_instance_of(Project).to receive(:add_import_job)
 
-    project_creator = Gitlab::GoogleCodeImport::ProjectCreator.new(repo, namespace, user)
+    project_creator = described_class.new(repo, namespace, user)
     project = project_creator.execute
 
     expect(project.import_url).to eq("https://vim.googlecode.com/git/")
diff --git a/spec/lib/gitlab/highlight_spec.rb b/spec/lib/gitlab/highlight_spec.rb
index 9afd9916264..29e61d15726 100644
--- a/spec/lib/gitlab/highlight_spec.rb
+++ b/spec/lib/gitlab/highlight_spec.rb
@@ -12,7 +12,7 @@ describe Gitlab::Highlight do
     let(:blob) { repository.blob_at_branch(branch, path) }
 
     let(:highlighter) do
-      Gitlab::Highlight.new(blob.path, blob.data, repository: repository)
+      described_class.new(blob.path, blob.data, repository: repository)
     end
 
     before do
@@ -42,7 +42,7 @@ describe Gitlab::Highlight do
       let(:path) { 'files/whitespace' }
       let(:blob) { repository.blob_at_branch(branch, path) }
       let(:lines) do
-        Gitlab::Highlight.highlight(blob.path, blob.data, repository: repository).lines
+        described_class.highlight(blob.path, blob.data, repository: repository).lines
       end
 
       it 'strips extra LFs' do
diff --git a/spec/lib/gitlab/key_fingerprint_spec.rb b/spec/lib/gitlab/key_fingerprint_spec.rb
index 266eab6e793..d7bebaca675 100644
--- a/spec/lib/gitlab/key_fingerprint_spec.rb
+++ b/spec/lib/gitlab/key_fingerprint_spec.rb
@@ -6,7 +6,7 @@ describe Gitlab::KeyFingerprint do
 
   describe "#fingerprint" do
     it "generates the key's fingerprint" do
-      expect(Gitlab::KeyFingerprint.new(key).fingerprint).to eq(fingerprint)
+      expect(described_class.new(key).fingerprint).to eq(fingerprint)
     end
   end
 end
diff --git a/spec/lib/gitlab/ldap/access_spec.rb b/spec/lib/gitlab/ldap/access_spec.rb
index f800e267568..6a47350be81 100644
--- a/spec/lib/gitlab/ldap/access_spec.rb
+++ b/spec/lib/gitlab/ldap/access_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::LDAP::Access do
-  let(:access) { Gitlab::LDAP::Access.new user }
+  let(:access) { described_class.new user }
   let(:user) { create(:omniauth_user) }
 
   describe '.allowed?' do
diff --git a/spec/lib/gitlab/ldap/auth_hash_spec.rb b/spec/lib/gitlab/ldap/auth_hash_spec.rb
index bd546115afa..57a91193004 100644
--- a/spec/lib/gitlab/ldap/auth_hash_spec.rb
+++ b/spec/lib/gitlab/ldap/auth_hash_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::LDAP::AuthHash do
   let(:auth_hash) do
-    Gitlab::LDAP::AuthHash.new(
+    described_class.new(
       OmniAuth::AuthHash.new(
         uid: '123456', 
         provider: 'ldapmain', 
diff --git a/spec/lib/gitlab/ldap/config_spec.rb b/spec/lib/gitlab/ldap/config_spec.rb
index 0d99ebf23e8..292ec064a67 100644
--- a/spec/lib/gitlab/ldap/config_spec.rb
+++ b/spec/lib/gitlab/ldap/config_spec.rb
@@ -3,11 +3,11 @@ require 'spec_helper'
 describe Gitlab::LDAP::Config do
   include LdapHelpers
 
-  let(:config) { Gitlab::LDAP::Config.new('ldapmain') }
+  let(:config) { described_class.new('ldapmain') }
 
   describe '#initialize' do
     it 'requires a provider' do
-      expect{ Gitlab::LDAP::Config.new }.to raise_error ArgumentError
+      expect{ described_class.new }.to raise_error ArgumentError
     end
 
     it 'works' do
@@ -15,7 +15,7 @@ describe Gitlab::LDAP::Config do
     end
 
     it 'raises an error if a unknown provider is used' do
-      expect{ Gitlab::LDAP::Config.new 'unknown' }.to raise_error(RuntimeError)
+      expect{ described_class.new 'unknown' }.to raise_error(RuntimeError)
     end
   end
 
diff --git a/spec/lib/gitlab/ldap/user_spec.rb b/spec/lib/gitlab/ldap/user_spec.rb
index efc7a551761..175ceec44d7 100644
--- a/spec/lib/gitlab/ldap/user_spec.rb
+++ b/spec/lib/gitlab/ldap/user_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::LDAP::User do
-  let(:ldap_user) { Gitlab::LDAP::User.new(auth_hash) }
+  let(:ldap_user) { described_class.new(auth_hash) }
   let(:gl_user) { ldap_user.gl_user }
   let(:info) do
     {
@@ -13,7 +13,7 @@ describe Gitlab::LDAP::User do
   let(:auth_hash) do
     OmniAuth::AuthHash.new(uid: 'my-uid', provider: 'ldapmain', info: info)
   end
-  let(:ldap_user_upper_case) { Gitlab::LDAP::User.new(auth_hash_upper_case) }
+  let(:ldap_user_upper_case) { described_class.new(auth_hash_upper_case) }
   let(:info_upper_case) do
     {
       name: 'John',
diff --git a/spec/lib/gitlab/markup_helper_spec.rb b/spec/lib/gitlab/markup_helper_spec.rb
index e610fab05da..09e518ff989 100644
--- a/spec/lib/gitlab/markup_helper_spec.rb
+++ b/spec/lib/gitlab/markup_helper_spec.rb
@@ -5,36 +5,36 @@ describe Gitlab::MarkupHelper do
     %w(textile rdoc org creole wiki
        mediawiki rst adoc ad asciidoc mdown md markdown).each do |type|
       it "returns true for #{type} files" do
-        expect(Gitlab::MarkupHelper.markup?("README.#{type}")).to be_truthy
+        expect(described_class.markup?("README.#{type}")).to be_truthy
       end
     end
 
     it 'returns false when given a non-markup filename' do
-      expect(Gitlab::MarkupHelper.markup?('README.rb')).not_to be_truthy
+      expect(described_class.markup?('README.rb')).not_to be_truthy
     end
   end
 
   describe '#gitlab_markdown?' do
     %w(mdown mkd mkdn md markdown).each do |type|
       it "returns true for #{type} files" do
-        expect(Gitlab::MarkupHelper.gitlab_markdown?("README.#{type}")).to be_truthy
+        expect(described_class.gitlab_markdown?("README.#{type}")).to be_truthy
       end
     end
 
     it 'returns false when given a non-markdown filename' do
-      expect(Gitlab::MarkupHelper.gitlab_markdown?('README.rb')).not_to be_truthy
+      expect(described_class.gitlab_markdown?('README.rb')).not_to be_truthy
     end
   end
 
   describe '#asciidoc?' do
     %w(adoc ad asciidoc ADOC).each do |type|
       it "returns true for #{type} files" do
-        expect(Gitlab::MarkupHelper.asciidoc?("README.#{type}")).to be_truthy
+        expect(described_class.asciidoc?("README.#{type}")).to be_truthy
       end
     end
 
     it 'returns false when given a non-asciidoc filename' do
-      expect(Gitlab::MarkupHelper.asciidoc?('README.rb')).not_to be_truthy
+      expect(described_class.asciidoc?('README.rb')).not_to be_truthy
     end
   end
 end
diff --git a/spec/lib/gitlab/o_auth/auth_hash_spec.rb b/spec/lib/gitlab/o_auth/auth_hash_spec.rb
index 4b77e6473be..d5f4da3ce36 100644
--- a/spec/lib/gitlab/o_auth/auth_hash_spec.rb
+++ b/spec/lib/gitlab/o_auth/auth_hash_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::OAuth::AuthHash do
   let(:auth_hash) do
-    Gitlab::OAuth::AuthHash.new(
+    described_class.new(
       OmniAuth::AuthHash.new(
         provider: provider_ascii,
         uid: uid_ascii,
diff --git a/spec/lib/gitlab/o_auth/user_spec.rb b/spec/lib/gitlab/o_auth/user_spec.rb
index b70e49e2602..47aa19d5fd9 100644
--- a/spec/lib/gitlab/o_auth/user_spec.rb
+++ b/spec/lib/gitlab/o_auth/user_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::OAuth::User do
-  let(:oauth_user) { Gitlab::OAuth::User.new(auth_hash) }
+  let(:oauth_user) { described_class.new(auth_hash) }
   let(:gl_user) { oauth_user.gl_user }
   let(:uid) { 'my-uid' }
   let(:provider) { 'my-provider' }
diff --git a/spec/lib/gitlab/project_transfer_spec.rb b/spec/lib/gitlab/project_transfer_spec.rb
index ff943db1d9c..10c5fb148cd 100644
--- a/spec/lib/gitlab/project_transfer_spec.rb
+++ b/spec/lib/gitlab/project_transfer_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::ProjectTransfer do
   before do
     @root_dir = File.join(Rails.root, "public", "uploads")
-    @project_transfer = Gitlab::ProjectTransfer.new
+    @project_transfer = described_class.new
     allow(@project_transfer).to receive(:root_dir).and_return(@root_dir)
 
     @project_path_was = "test_project_was"
diff --git a/spec/lib/gitlab/reference_extractor_spec.rb b/spec/lib/gitlab/reference_extractor_spec.rb
index e41e2faac15..1a0357534f2 100644
--- a/spec/lib/gitlab/reference_extractor_spec.rb
+++ b/spec/lib/gitlab/reference_extractor_spec.rb
@@ -7,7 +7,7 @@ describe Gitlab::ReferenceExtractor do
     project.team << [project.creator, :developer]
   end
 
-  subject { Gitlab::ReferenceExtractor.new(project, project.creator) }
+  subject { described_class.new(project, project.creator) }
 
   it 'accesses valid user objects' do
     @u_foo = create(:user, username: 'foo')
diff --git a/spec/lib/gitlab/request_context_spec.rb b/spec/lib/gitlab/request_context_spec.rb
index 16673ea313e..e272bdb9284 100644
--- a/spec/lib/gitlab/request_context_spec.rb
+++ b/spec/lib/gitlab/request_context_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::RequestContext do
   describe '#client_ip' do
-    subject { Gitlab::RequestContext.client_ip }
+    subject { described_class.client_ip }
     let(:app) { -> (env) {} }
     let(:env) { Hash.new }
 
@@ -16,7 +16,7 @@ describe Gitlab::RequestContext do
 
         before do
           allow_any_instance_of(Rack::Request).to receive(:ip).and_return(ip)
-          Gitlab::RequestContext.new(app).call(env)
+          described_class.new(app).call(env)
         end
 
         it { is_expected.to eq(ip) }
diff --git a/spec/lib/gitlab/shell_spec.rb b/spec/lib/gitlab/shell_spec.rb
index 8ab250a6203..b90d8dede0f 100644
--- a/spec/lib/gitlab/shell_spec.rb
+++ b/spec/lib/gitlab/shell_spec.rb
@@ -3,7 +3,7 @@ require 'stringio'
 
 describe Gitlab::Shell do
   let(:project) { double('Project', id: 7, path: 'diaspora') }
-  let(:gitlab_shell) { Gitlab::Shell.new }
+  let(:gitlab_shell) { described_class.new }
   let(:popen_vars) { { 'GIT_TERMINAL_PROMPT' => ENV['GIT_TERMINAL_PROMPT'] } }
 
   before do
@@ -30,7 +30,7 @@ describe Gitlab::Shell do
       allow(Gitlab.config.gitlab_shell).to receive(:secret_file).and_return(secret_file)
       allow(Gitlab.config.gitlab_shell).to receive(:path).and_return('tmp/tests/shell-secret-test')
       FileUtils.mkdir('tmp/tests/shell-secret-test')
-      Gitlab::Shell.ensure_secret_token!
+      described_class.ensure_secret_token!
     end
 
     after do
@@ -39,7 +39,7 @@ describe Gitlab::Shell do
     end
 
     it 'creates and links the secret token file' do
-      secret_token = Gitlab::Shell.secret_token
+      secret_token = described_class.secret_token
 
       expect(File.exist?(secret_file)).to be(true)
       expect(File.read(secret_file).chomp).to eq(secret_token)
diff --git a/spec/lib/gitlab/upgrader_spec.rb b/spec/lib/gitlab/upgrader_spec.rb
index eb128e343e6..6106f13c774 100644
--- a/spec/lib/gitlab/upgrader_spec.rb
+++ b/spec/lib/gitlab/upgrader_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::Upgrader do
-  let(:upgrader) { Gitlab::Upgrader.new }
+  let(:upgrader) { described_class.new }
   let(:current_version) { Gitlab::VERSION }
 
   describe 'current_version_raw' do
diff --git a/spec/lib/gitlab/user_access_spec.rb b/spec/lib/gitlab/user_access_spec.rb
index 648c464db78..5ebaf6c1507 100644
--- a/spec/lib/gitlab/user_access_spec.rb
+++ b/spec/lib/gitlab/user_access_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Gitlab::UserAccess do
-  let(:access) { Gitlab::UserAccess.new(user, project: project) }
+  let(:access) { described_class.new(user, project: project) }
   let(:project) { create(:project) }
   let(:user) { create(:user) }
 
@@ -28,7 +28,7 @@ describe Gitlab::UserAccess do
 
     describe 'push to empty project' do
       let(:empty_project) { create(:project_empty_repo) }
-      let(:project_access) { Gitlab::UserAccess.new(user, project: empty_project) }
+      let(:project_access) { described_class.new(user, project: empty_project) }
 
       it 'returns true if user is master' do
         empty_project.team << [user, :master]
diff --git a/spec/lib/gitlab/workhorse_spec.rb b/spec/lib/gitlab/workhorse_spec.rb
index c593e1db1bf..654397ccffb 100644
--- a/spec/lib/gitlab/workhorse_spec.rb
+++ b/spec/lib/gitlab/workhorse_spec.rb
@@ -63,13 +63,13 @@ describe Gitlab::Workhorse do
     end
 
     context 'without ca_pem' do
-      subject { Gitlab::Workhorse.terminal_websocket(terminal) }
+      subject { described_class.terminal_websocket(terminal) }
 
       it { is_expected.to eq(workhorse) }
     end
 
     context 'with ca_pem' do
-      subject { Gitlab::Workhorse.terminal_websocket(terminal(ca_pem: "foo")) }
+      subject { described_class.terminal_websocket(terminal(ca_pem: "foo")) }
 
       it { is_expected.to eq(workhorse(ca_pem: "foo")) }
     end
diff --git a/spec/lib/repository_cache_spec.rb b/spec/lib/repository_cache_spec.rb
index 41d1706ab6d..0c15ba22bf2 100644
--- a/spec/lib/repository_cache_spec.rb
+++ b/spec/lib/repository_cache_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe RepositoryCache do
   let(:project) { create(:empty_project) }
   let(:backend) { double('backend').as_null_object }
-  let(:cache) { RepositoryCache.new('example', project.id, backend) }
+  let(:cache) { described_class.new('example', project.id, backend) }
 
   describe '#cache_key' do
     it 'includes the namespace' do
diff --git a/spec/lib/system_check_spec.rb b/spec/lib/system_check_spec.rb
index 9a75c41f783..4d9e17fa6ec 100644
--- a/spec/lib/system_check_spec.rb
+++ b/spec/lib/system_check_spec.rb
@@ -19,7 +19,7 @@ describe SystemCheck do
   end
 
   describe '.run' do
-    subject { SystemCheck }
+    subject { described_class }
 
     it 'detects execution of SimpleCheck' do
       is_expected.to execute_check(SimpleCheck)
diff --git a/spec/models/ability_spec.rb b/spec/models/ability_spec.rb
index cb57626b597..aa019288700 100644
--- a/spec/models/ability_spec.rb
+++ b/spec/models/ability_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Ability do
   context 'using a nil subject' do
     it 'has no permissions' do
-      expect(Ability.policy_for(nil, nil)).to be_banned
+      expect(described_class.policy_for(nil, nil)).to be_banned
     end
   end
 
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index 41129b945b6..359753b600e 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe ApplicationSetting do
-  let(:setting) { ApplicationSetting.create_from_defaults }
+  let(:setting) { described_class.create_from_defaults }
 
   it { expect(setting).to be_valid }
   it { expect(setting.uuid).to be_present }
@@ -159,10 +159,10 @@ describe ApplicationSetting do
     context 'redis unavailable' do
       it 'returns an ApplicationSetting' do
         allow(Rails.cache).to receive(:fetch).and_call_original
-        allow(ApplicationSetting).to receive(:last).and_return(:last)
+        allow(described_class).to receive(:last).and_return(:last)
         expect(Rails.cache).to receive(:fetch).with(ApplicationSetting::CACHE_KEY).and_raise(ArgumentError)
 
-        expect(ApplicationSetting.current).to eq(:last)
+        expect(described_class.current).to eq(:last)
       end
     end
   end
diff --git a/spec/models/broadcast_message_spec.rb b/spec/models/broadcast_message_spec.rb
index 75e7c7d42bd..a8ca1d110e4 100644
--- a/spec/models/broadcast_message_spec.rb
+++ b/spec/models/broadcast_message_spec.rb
@@ -24,26 +24,26 @@ describe BroadcastMessage do
     it 'returns message if time match' do
       message = create(:broadcast_message)
 
-      expect(BroadcastMessage.current).to include(message)
+      expect(described_class.current).to include(message)
     end
 
     it 'returns multiple messages if time match' do
       message1 = create(:broadcast_message)
       message2 = create(:broadcast_message)
 
-      expect(BroadcastMessage.current).to contain_exactly(message1, message2)
+      expect(described_class.current).to contain_exactly(message1, message2)
     end
 
     it 'returns empty list if time not come' do
       create(:broadcast_message, :future)
 
-      expect(BroadcastMessage.current).to be_empty
+      expect(described_class.current).to be_empty
     end
 
     it 'returns empty list if time has passed' do
       create(:broadcast_message, :expired)
 
-      expect(BroadcastMessage.current).to be_empty
+      expect(described_class.current).to be_empty
     end
   end
 
diff --git a/spec/models/ci/pipeline_schedule_spec.rb b/spec/models/ci/pipeline_schedule_spec.rb
index 3ae86ab2b4b..9a278212efc 100644
--- a/spec/models/ci/pipeline_schedule_spec.rb
+++ b/spec/models/ci/pipeline_schedule_spec.rb
@@ -46,7 +46,7 @@ describe Ci::PipelineSchedule do
       end
 
       it 'updates next_run_at automatically' do
-        expect(Ci::PipelineSchedule.last.next_run_at).to eq(expected_next_run_at)
+        expect(described_class.last.next_run_at).to eq(expected_next_run_at)
       end
     end
 
@@ -61,7 +61,7 @@ describe Ci::PipelineSchedule do
       it 'updates next_run_at automatically' do
         pipeline_schedule.update!(cron: new_cron)
 
-        expect(Ci::PipelineSchedule.last.next_run_at).to eq(expected_next_run_at)
+        expect(described_class.last.next_run_at).to eq(expected_next_run_at)
       end
     end
   end
diff --git a/spec/models/ci/runner_spec.rb b/spec/models/ci/runner_spec.rb
index 9a4ed86990a..8d12a9c09ca 100644
--- a/spec/models/ci/runner_spec.rb
+++ b/spec/models/ci/runner_spec.rb
@@ -50,7 +50,7 @@ describe Ci::Runner do
   end
 
   describe '.online' do
-    subject { Ci::Runner.online }
+    subject { described_class.online }
 
     before do
       @runner1 = FactoryGirl.create(:ci_runner, :shared, contacted_at: 1.year.ago)
@@ -352,13 +352,13 @@ describe Ci::Runner do
       end
 
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does not give shared runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to be_empty }
       end
@@ -366,13 +366,13 @@ describe Ci::Runner do
 
     context 'with unlocked runner' do
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does give a specific runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to contain_exactly(runner) }
       end
@@ -384,13 +384,13 @@ describe Ci::Runner do
       end
 
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does not give a locked runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to be_empty }
       end
diff --git a/spec/models/global_milestone_spec.rb b/spec/models/global_milestone_spec.rb
index 17462f70a6d..5584a1a5a31 100644
--- a/spec/models/global_milestone_spec.rb
+++ b/spec/models/global_milestone_spec.rb
@@ -72,7 +72,7 @@ describe GlobalMilestone do
         project3
       ]
 
-      @global_milestones = GlobalMilestone.build_collection(projects, {})
+      @global_milestones = described_class.build_collection(projects, {})
     end
 
     it 'has all project milestones' do
@@ -106,7 +106,7 @@ describe GlobalMilestone do
       it 'returns the quantity of global milestones in each possible state' do
         expected_count = { opened: 1, closed: 2, all: 2 }
 
-        count = GlobalMilestone.states_count(Project.all)
+        count = described_class.states_count(Project.all)
 
         expect(count).to eq(expected_count)
       end
@@ -120,7 +120,7 @@ describe GlobalMilestone do
       it 'returns 0 as the quantity of global milestones in each state' do
         expected_count = { opened: 0, closed: 0, all: 0 }
 
-        count = GlobalMilestone.states_count(Project.all)
+        count = described_class.states_count(Project.all)
 
         expect(count).to eq(expected_count)
       end
@@ -141,7 +141,7 @@ describe GlobalMilestone do
         ]
       milestones_relation = Milestone.where(id: milestones.map(&:id))
 
-      @global_milestone = GlobalMilestone.new(milestone1_project1.title, milestones_relation)
+      @global_milestone = described_class.new(milestone1_project1.title, milestones_relation)
     end
 
     it 'has exactly one group milestone' do
@@ -157,7 +157,7 @@ describe GlobalMilestone do
     let(:milestone) { create(:milestone, title: "git / test", project: project1) }
 
     it 'strips out slashes and spaces' do
-      global_milestone = GlobalMilestone.new(milestone.title, Milestone.where(id: milestone.id))
+      global_milestone = described_class.new(milestone.title, Milestone.where(id: milestone.id))
 
       expect(global_milestone.safe_title).to eq('git-test')
     end
@@ -171,7 +171,7 @@ describe GlobalMilestone do
           create(:active_milestone, title: title),
           create(:closed_milestone, title: title)
         ]
-        global_milestone = GlobalMilestone.new(title, milestones)
+        global_milestone = described_class.new(title, milestones)
 
         expect(global_milestone.state).to eq('active')
       end
@@ -184,7 +184,7 @@ describe GlobalMilestone do
           create(:closed_milestone, title: title),
           create(:closed_milestone, title: title)
         ]
-        global_milestone = GlobalMilestone.new(title, milestones)
+        global_milestone = described_class.new(title, milestones)
 
         expect(global_milestone.state).to eq('closed')
       end
diff --git a/spec/models/group_milestone_spec.rb b/spec/models/group_milestone_spec.rb
index 6d1a7f188c8..ac76c927c39 100644
--- a/spec/models/group_milestone_spec.rb
+++ b/spec/models/group_milestone_spec.rb
@@ -9,7 +9,7 @@ describe GroupMilestone do
 
   describe '.build' do
     it 'returns milestone with group assigned' do
-      milestone = GroupMilestone.build(
+      milestone = described_class.build(
         group,
         [project],
         project_milestone.title
@@ -25,7 +25,7 @@ describe GroupMilestone do
     end
 
     it 'returns array of milestones, each with group assigned' do
-      milestones = GroupMilestone.build_collection(group, [project], {})
+      milestones = described_class.build_collection(group, [project], {})
       expect(milestones).to all(have_attributes(group: group))
     end
   end
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 3f66d9b0ab9..112bd605a64 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -357,7 +357,7 @@ describe Group do
     subject { build(:group, :nested) }
 
     it { is_expected.to be_valid }
-    it { expect(subject.parent).to be_kind_of(Group) }
+    it { expect(subject.parent).to be_kind_of(described_class) }
   end
 
   describe '#members_with_parents', :nested_groups do
diff --git a/spec/models/guest_spec.rb b/spec/models/guest_spec.rb
index ac9aaa76550..0e9b94aac97 100644
--- a/spec/models/guest_spec.rb
+++ b/spec/models/guest_spec.rb
@@ -8,13 +8,13 @@ describe Guest do
   describe '.can_pull?' do
     context 'when project is private' do
       it 'does not allow to pull the repo' do
-        expect(Guest.can?(:download_code, private_project)).to eq(false)
+        expect(described_class.can?(:download_code, private_project)).to eq(false)
       end
     end
 
     context 'when project is internal' do
       it 'does not allow to pull the repo' do
-        expect(Guest.can?(:download_code, internal_project)).to eq(false)
+        expect(described_class.can?(:download_code, internal_project)).to eq(false)
       end
     end
 
@@ -23,7 +23,7 @@ describe Guest do
         it 'does not allow to pull the repo' do
           public_project.project_feature.update_attribute(:repository_access_level, ProjectFeature::DISABLED)
 
-          expect(Guest.can?(:download_code, public_project)).to eq(false)
+          expect(described_class.can?(:download_code, public_project)).to eq(false)
         end
       end
 
@@ -31,13 +31,13 @@ describe Guest do
         it 'does not allow to pull the repo' do
           public_project.project_feature.update_attribute(:repository_access_level, ProjectFeature::PRIVATE)
 
-          expect(Guest.can?(:download_code, public_project)).to eq(false)
+          expect(described_class.can?(:download_code, public_project)).to eq(false)
         end
       end
 
       context 'when repository is enabled' do
         it 'allows to pull the repo' do
-          expect(Guest.can?(:download_code, public_project)).to eq(true)
+          expect(described_class.can?(:download_code, public_project)).to eq(true)
         end
       end
     end
diff --git a/spec/models/hooks/project_hook_spec.rb b/spec/models/hooks/project_hook_spec.rb
index c9b948fb747..5dd31b1b5de 100644
--- a/spec/models/hooks/project_hook_spec.rb
+++ b/spec/models/hooks/project_hook_spec.rb
@@ -13,7 +13,7 @@ describe ProjectHook do
     it 'returns hooks for push events only' do
       hook = create(:project_hook, push_events: true)
       create(:project_hook, push_events: false)
-      expect(ProjectHook.push_hooks).to eq([hook])
+      expect(described_class.push_hooks).to eq([hook])
     end
   end
 
@@ -21,7 +21,7 @@ describe ProjectHook do
     it 'returns hooks for tag push events only' do
       hook = create(:project_hook, tag_push_events: true)
       create(:project_hook, tag_push_events: false)
-      expect(ProjectHook.tag_push_hooks).to eq([hook])
+      expect(described_class.tag_push_hooks).to eq([hook])
     end
   end
 end
diff --git a/spec/models/hooks/system_hook_spec.rb b/spec/models/hooks/system_hook_spec.rb
index 812dcb437f5..eadc232a989 100644
--- a/spec/models/hooks/system_hook_spec.rb
+++ b/spec/models/hooks/system_hook_spec.rb
@@ -122,7 +122,7 @@ describe SystemHook do
     it 'returns hooks for repository update events only' do
       hook = create(:system_hook, repository_update_events: true)
       create(:system_hook, repository_update_events: false)
-      expect(SystemHook.repository_update_hooks).to eq([hook])
+      expect(described_class.repository_update_hooks).to eq([hook])
     end
   end
 
diff --git a/spec/models/member_spec.rb b/spec/models/member_spec.rb
index 22e62ee0823..8bfd70b8d46 100644
--- a/spec/models/member_spec.rb
+++ b/spec/models/member_spec.rb
@@ -6,7 +6,7 @@ describe Member do
   end
 
   describe "Validation" do
-    subject { Member.new(access_level: Member::GUEST) }
+    subject { described_class.new(access_level: Member::GUEST) }
 
     it { is_expected.to validate_presence_of(:user) }
     it { is_expected.to validate_presence_of(:source) }
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index 93df1b2fb6c..025fb2bf441 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -139,7 +139,7 @@ describe ProjectMember do
       @project_1.team << [@user_1, :developer]
       @project_2.team << [@user_2, :reporter]
 
-      ProjectMember.truncate_teams([@project_1.id, @project_2.id])
+      described_class.truncate_teams([@project_1.id, @project_2.id])
     end
 
     it { expect(@project_1.users).to be_empty }
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index d09f880423b..0cfaa17676e 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -98,7 +98,7 @@ describe MergeRequestDiff do
     end
 
     it 'saves empty state' do
-      allow_any_instance_of(MergeRequestDiff).to receive_message_chain(:compare, :commits)
+      allow_any_instance_of(described_class).to receive_message_chain(:compare, :commits)
         .and_return([])
 
       mr_diff = create(:merge_request).merge_request_diff
diff --git a/spec/models/milestone_spec.rb b/spec/models/milestone_spec.rb
index 0dd8a86106b..aa376e242e8 100644
--- a/spec/models/milestone_spec.rb
+++ b/spec/models/milestone_spec.rb
@@ -37,13 +37,13 @@ describe Milestone do
   describe "unique milestone title" do
     context "per project" do
       it "does not accept the same title in a project twice" do
-        new_milestone = Milestone.new(project: milestone.project, title: milestone.title)
+        new_milestone = described_class.new(project: milestone.project, title: milestone.title)
         expect(new_milestone).not_to be_valid
       end
 
       it "accepts the same title in another project" do
         project = create(:empty_project)
-        new_milestone = Milestone.new(project: project, title: milestone.title)
+        new_milestone = described_class.new(project: project, title: milestone.title)
 
         expect(new_milestone).to be_valid
       end
@@ -58,7 +58,7 @@ describe Milestone do
       end
 
       it "does not accept the same title in a group twice" do
-        new_milestone = Milestone.new(group: group, title: milestone.title)
+        new_milestone = described_class.new(group: group, title: milestone.title)
 
         expect(new_milestone).not_to be_valid
       end
@@ -66,7 +66,7 @@ describe Milestone do
       it "does not accept the same title of a child project milestone" do
         create(:milestone, project: group.projects.first)
 
-        new_milestone = Milestone.new(group: group, title: milestone.title)
+        new_milestone = described_class.new(group: group, title: milestone.title)
 
         expect(new_milestone).not_to be_valid
       end
@@ -214,7 +214,7 @@ describe Milestone do
 
     # The call to `#try` is because this returns a relation with a Postgres DB,
     # and an array of IDs with a MySQL DB.
-    let(:milestone_ids) { Milestone.upcoming_ids_by_projects(projects).map { |id| id.try(:id) || id } }
+    let(:milestone_ids) { described_class.upcoming_ids_by_projects(projects).map { |id| id.try(:id) || id } }
 
     it 'returns the next upcoming open milestone ID for each project' do
       expect(milestone_ids).to contain_exactly(current_milestone_project_1.id, current_milestone_project_2.id)
diff --git a/spec/models/namespace_spec.rb b/spec/models/namespace_spec.rb
index 827356b660e..f12fe226e6b 100644
--- a/spec/models/namespace_spec.rb
+++ b/spec/models/namespace_spec.rb
@@ -133,7 +133,7 @@ describe Namespace do
     it "sums all project storage counters in the namespace" do
       project1
       project2
-      statistics = Namespace.with_statistics.find(namespace.id)
+      statistics = described_class.with_statistics.find(namespace.id)
 
       expect(statistics.storage_size).to eq 666
       expect(statistics.repository_size).to eq 111
@@ -142,7 +142,7 @@ describe Namespace do
     end
 
     it "correctly handles namespaces without projects" do
-      statistics = Namespace.with_statistics.find(namespace.id)
+      statistics = described_class.with_statistics.find(namespace.id)
 
       expect(statistics.storage_size).to eq 0
       expect(statistics.repository_size).to eq 0
@@ -286,9 +286,9 @@ describe Namespace do
       @namespace = create(:namespace, name: 'WoW', path: 'woW')
     end
 
-    it { expect(Namespace.find_by_path_or_name('wow')).to eq(@namespace) }
-    it { expect(Namespace.find_by_path_or_name('WOW')).to eq(@namespace) }
-    it { expect(Namespace.find_by_path_or_name('unknown')).to eq(nil) }
+    it { expect(described_class.find_by_path_or_name('wow')).to eq(@namespace) }
+    it { expect(described_class.find_by_path_or_name('WOW')).to eq(@namespace) }
+    it { expect(described_class.find_by_path_or_name('unknown')).to eq(nil) }
   end
 
   describe ".clean_path" do
@@ -296,8 +296,8 @@ describe Namespace do
     let!(:namespace)  { create(:namespace, path: "JohnGitLab-etc1") }
 
     it "cleans the path and makes sure it's available" do
-      expect(Namespace.clean_path("-john+gitlab-ETC%.git@gmail.com")).to eq("johngitlab-ETC2")
-      expect(Namespace.clean_path("--%+--valid_*&%name=.git.%.atom.atom.@email.com")).to eq("valid_name")
+      expect(described_class.clean_path("-john+gitlab-ETC%.git@gmail.com")).to eq("johngitlab-ETC2")
+      expect(described_class.clean_path("--%+--valid_*&%name=.git.%.atom.atom.@email.com")).to eq("valid_name")
     end
   end
 
diff --git a/spec/models/note_spec.rb b/spec/models/note_spec.rb
index d20816bc31f..cbe6d42ef53 100644
--- a/spec/models/note_spec.rb
+++ b/spec/models/note_spec.rb
@@ -525,7 +525,7 @@ describe Note do
 
       it "has a discussion id" do
         # The discussion_id is set in `after_initialize`, so `reload` won't work
-        reloaded_note = Note.find(note.id)
+        reloaded_note = described_class.find(note.id)
 
         expect(reloaded_note.discussion_id).not_to be_nil
         expect(reloaded_note.discussion_id).to match(/\A\h{40}\z/)
diff --git a/spec/models/project_services/asana_service_spec.rb b/spec/models/project_services/asana_service_spec.rb
index 3e568ec3dad..4684c970885 100644
--- a/spec/models/project_services/asana_service_spec.rb
+++ b/spec/models/project_services/asana_service_spec.rb
@@ -35,7 +35,7 @@ describe AsanaService do
     end
 
     before do
-      @asana = AsanaService.new
+      @asana = described_class.new
       allow(@asana).to receive_messages(
         project: project,
         project_id: project.id,
diff --git a/spec/models/project_services/assembla_service_spec.rb b/spec/models/project_services/assembla_service_spec.rb
index a06bd2de0eb..5cb6d63659e 100644
--- a/spec/models/project_services/assembla_service_spec.rb
+++ b/spec/models/project_services/assembla_service_spec.rb
@@ -11,7 +11,7 @@ describe AssemblaService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @assembla_service = AssemblaService.new
+      @assembla_service = described_class.new
       allow(@assembla_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/campfire_service_spec.rb b/spec/models/project_services/campfire_service_spec.rb
index 176850b4c72..ed8347edffd 100644
--- a/spec/models/project_services/campfire_service_spec.rb
+++ b/spec/models/project_services/campfire_service_spec.rb
@@ -29,7 +29,7 @@ describe CampfireService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @campfire_service = CampfireService.new
+      @campfire_service = described_class.new
       allow(@campfire_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/flowdock_service_spec.rb b/spec/models/project_services/flowdock_service_spec.rb
index e439abb45a4..5e8e880985e 100644
--- a/spec/models/project_services/flowdock_service_spec.rb
+++ b/spec/models/project_services/flowdock_service_spec.rb
@@ -29,7 +29,7 @@ describe FlowdockService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @flowdock_service = FlowdockService.new
+      @flowdock_service = described_class.new
       allow(@flowdock_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/gemnasium_service_spec.rb b/spec/models/project_services/gemnasium_service_spec.rb
index d89e7ee8a2a..4c61bc0af95 100644
--- a/spec/models/project_services/gemnasium_service_spec.rb
+++ b/spec/models/project_services/gemnasium_service_spec.rb
@@ -31,7 +31,7 @@ describe GemnasiumService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @gemnasium_service = GemnasiumService.new
+      @gemnasium_service = described_class.new
       allow(@gemnasium_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
index ff0f73eff4c..d19dab8fd39 100644
--- a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
+++ b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
@@ -27,7 +27,7 @@ describe GitlabIssueTrackerService do
 
     context 'with absolute urls' do
       before do
-        allow(GitlabIssueTrackerService).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
+        allow(described_class).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
       end
 
       it 'gives the correct path' do
@@ -39,7 +39,7 @@ describe GitlabIssueTrackerService do
 
     context 'with relative urls' do
       before do
-        allow(GitlabIssueTrackerService).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
+        allow(described_class).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
       end
 
       it 'gives the correct path' do
diff --git a/spec/models/project_services/hipchat_service_spec.rb b/spec/models/project_services/hipchat_service_spec.rb
index f08e6c863a4..7614bb897e8 100644
--- a/spec/models/project_services/hipchat_service_spec.rb
+++ b/spec/models/project_services/hipchat_service_spec.rb
@@ -25,7 +25,7 @@ describe HipchatService do
   end
 
   describe "Execute" do
-    let(:hipchat) { HipchatService.new }
+    let(:hipchat) { described_class.new }
     let(:user)    { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:api_url) { 'https://hipchat.example.com/v2/room/123456/notification?auth_token=verySecret' }
diff --git a/spec/models/project_services/irker_service_spec.rb b/spec/models/project_services/irker_service_spec.rb
index ce2b26436b3..cb9ca76fc3f 100644
--- a/spec/models/project_services/irker_service_spec.rb
+++ b/spec/models/project_services/irker_service_spec.rb
@@ -27,7 +27,7 @@ describe IrkerService do
   end
 
   describe 'Execute' do
-    let(:irker) { IrkerService.new }
+    let(:irker) { described_class.new }
     let(:user) { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:sample_data) do
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index 62e1d51104e..c9e8d7e194d 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -78,7 +78,7 @@ describe JiraService do
     let(:merge_request) { create(:merge_request) }
 
     before do
-      @jira_service = JiraService.new
+      @jira_service = described_class.new
       allow(@jira_service).to receive_messages(
         project_id: project.id,
         project: project,
@@ -167,7 +167,7 @@ describe JiraService do
       stub_config_setting(relative_url_root: '/gitlab')
       stub_config_setting(url: Settings.send(:build_gitlab_url))
 
-      allow(JiraService).to receive(:default_url_options) do
+      allow(described_class).to receive(:default_url_options) do
         { script_name: '/gitlab' }
       end
 
@@ -220,7 +220,7 @@ describe JiraService do
 
     context "when a password was previously set" do
       before do
-        @jira_service = JiraService.create!(
+        @jira_service = described_class.create!(
           project: project,
           properties: {
             url: 'http://jira.example.com/web',
@@ -301,7 +301,7 @@ describe JiraService do
 
     context 'when no password was previously set' do
       before do
-        @jira_service = JiraService.create(
+        @jira_service = described_class.create(
           project: project,
           properties: {
             url: 'http://jira.example.com/rest/api/2',
diff --git a/spec/models/project_services/pivotaltracker_service_spec.rb b/spec/models/project_services/pivotaltracker_service_spec.rb
index 002476c1a17..f7d2372eca2 100644
--- a/spec/models/project_services/pivotaltracker_service_spec.rb
+++ b/spec/models/project_services/pivotaltracker_service_spec.rb
@@ -26,7 +26,7 @@ describe PivotaltrackerService do
 
   describe 'Execute' do
     let(:service) do
-      PivotaltrackerService.new.tap do |service|
+      described_class.new.tap do |service|
         service.token = 'secret_api_token'
       end
     end
diff --git a/spec/models/project_services/pushover_service_spec.rb b/spec/models/project_services/pushover_service_spec.rb
index e77c4ddcc78..54b8c658ff6 100644
--- a/spec/models/project_services/pushover_service_spec.rb
+++ b/spec/models/project_services/pushover_service_spec.rb
@@ -29,7 +29,7 @@ describe PushoverService do
   end
 
   describe 'Execute' do
-    let(:pushover) { PushoverService.new }
+    let(:pushover) { described_class.new }
     let(:user) { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:sample_data) do
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 2df31a54628..473b7a88d61 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -77,7 +77,7 @@ describe Project do
 
     context 'after initialized' do
       it "has a project_feature" do
-        expect(Project.new.project_feature).to be_present
+        expect(described_class.new.project_feature).to be_present
       end
     end
 
@@ -438,7 +438,7 @@ describe Project do
   end
 
   it 'returns valid url to repo' do
-    project = Project.new(path: 'somewhere')
+    project = described_class.new(path: 'somewhere')
     expect(project.url_to_repo).to eq(Gitlab.config.gitlab_shell.ssh_path_prefix + 'somewhere.git')
   end
 
@@ -917,7 +917,7 @@ describe Project do
   end
 
   describe '.with_shared_runners' do
-    subject { Project.with_shared_runners }
+    subject { described_class.with_shared_runners }
 
     context 'when shared runners are enabled for project' do
       let!(:project) { create(:empty_project, shared_runners_enabled: true) }
@@ -942,10 +942,10 @@ describe Project do
     let!(:project2) { create(:empty_project, :public, group: group) }
 
     it 'returns total project count' do
-      expect(Project).to receive(:count).once.and_call_original
+      expect(described_class).to receive(:count).once.and_call_original
 
       3.times do
-        expect(Project.cached_count).to eq(2)
+        expect(described_class.cached_count).to eq(2)
       end
     end
   end
@@ -990,7 +990,7 @@ describe Project do
       user1.toggle_star(project1)
       user2.toggle_star(project2)
 
-      expect(Project.starred_by(user1)).to contain_exactly(project1)
+      expect(described_class.starred_by(user1)).to contain_exactly(project1)
     end
   end
 
@@ -2012,7 +2012,7 @@ describe Project do
     let!(:path) { project1.namespace.full_path }
 
     it 'returns correct project' do
-      expect(Project.inside_path(path)).to eq([project1])
+      expect(described_class.inside_path(path)).to eq([project1])
     end
   end
 
@@ -2216,7 +2216,7 @@ describe Project do
 
     context 'with a user' do
       let(:projects) do
-        Project.all.public_or_visible_to_user(user)
+        described_class.all.public_or_visible_to_user(user)
       end
 
       it 'includes projects the user has access to' do
@@ -2230,7 +2230,7 @@ describe Project do
 
     context 'without a user' do
       it 'only includes public projects' do
-        projects = Project.all.public_or_visible_to_user
+        projects = described_class.all.public_or_visible_to_user
 
         expect(projects).to eq([public_project])
       end
diff --git a/spec/models/project_wiki_spec.rb b/spec/models/project_wiki_spec.rb
index fc1cdb3b1e6..7fcbeb459e0 100644
--- a/spec/models/project_wiki_spec.rb
+++ b/spec/models/project_wiki_spec.rb
@@ -5,7 +5,7 @@ describe ProjectWiki do
   let(:repository) { project.repository }
   let(:user) { project.owner }
   let(:gitlab_shell) { Gitlab::Shell.new }
-  let(:project_wiki) { ProjectWiki.new(project, user) }
+  let(:project_wiki) { described_class.new(project, user) }
 
   subject { project_wiki }
 
diff --git a/spec/models/protected_branch_spec.rb b/spec/models/protected_branch_spec.rb
index 6e8b07b44fb..a54af3bfe59 100644
--- a/spec/models/protected_branch_spec.rb
+++ b/spec/models/protected_branch_spec.rb
@@ -101,17 +101,17 @@ describe ProtectedBranch do
         production = create(:protected_branch, name: "production")
         staging = create(:protected_branch, name: "staging")
 
-        expect(ProtectedBranch.matching("production")).to include(production)
-        expect(ProtectedBranch.matching("production")).not_to include(staging)
+        expect(described_class.matching("production")).to include(production)
+        expect(described_class.matching("production")).not_to include(staging)
       end
 
       it "accepts a list of protected branches to search from, so as to avoid a DB call" do
         production = build(:protected_branch, name: "production")
         staging = build(:protected_branch, name: "staging")
 
-        expect(ProtectedBranch.matching("production")).to be_empty
-        expect(ProtectedBranch.matching("production", protected_refs: [production, staging])).to include(production)
-        expect(ProtectedBranch.matching("production", protected_refs: [production, staging])).not_to include(staging)
+        expect(described_class.matching("production")).to be_empty
+        expect(described_class.matching("production", protected_refs: [production, staging])).to include(production)
+        expect(described_class.matching("production", protected_refs: [production, staging])).not_to include(staging)
       end
     end
 
@@ -120,17 +120,17 @@ describe ProtectedBranch do
         production = create(:protected_branch, name: "production/*")
         staging = create(:protected_branch, name: "staging/*")
 
-        expect(ProtectedBranch.matching("production/some-branch")).to include(production)
-        expect(ProtectedBranch.matching("production/some-branch")).not_to include(staging)
+        expect(described_class.matching("production/some-branch")).to include(production)
+        expect(described_class.matching("production/some-branch")).not_to include(staging)
       end
 
       it "accepts a list of protected branches to search from, so as to avoid a DB call" do
         production = build(:protected_branch, name: "production/*")
         staging = build(:protected_branch, name: "staging/*")
 
-        expect(ProtectedBranch.matching("production/some-branch")).to be_empty
-        expect(ProtectedBranch.matching("production/some-branch", protected_refs: [production, staging])).to include(production)
-        expect(ProtectedBranch.matching("production/some-branch", protected_refs: [production, staging])).not_to include(staging)
+        expect(described_class.matching("production/some-branch")).to be_empty
+        expect(described_class.matching("production/some-branch", protected_refs: [production, staging])).to include(production)
+        expect(described_class.matching("production/some-branch", protected_refs: [production, staging])).not_to include(staging)
       end
     end
   end
@@ -142,23 +142,23 @@ describe ProtectedBranch do
       it 'returns true when the branch matches a protected branch via direct match' do
         create(:protected_branch, project: project, name: "foo")
 
-        expect(ProtectedBranch.protected?(project, 'foo')).to eq(true)
+        expect(described_class.protected?(project, 'foo')).to eq(true)
       end
 
       it 'returns true when the branch matches a protected branch via wildcard match' do
         create(:protected_branch, project: project, name: "production/*")
 
-        expect(ProtectedBranch.protected?(project, 'production/some-branch')).to eq(true)
+        expect(described_class.protected?(project, 'production/some-branch')).to eq(true)
       end
 
       it 'returns false when the branch does not match a protected branch via direct match' do
-        expect(ProtectedBranch.protected?(project, 'foo')).to eq(false)
+        expect(described_class.protected?(project, 'foo')).to eq(false)
       end
 
       it 'returns false when the branch does not match a protected branch via wildcard match' do
         create(:protected_branch, project: project, name: "production/*")
 
-        expect(ProtectedBranch.protected?(project, 'staging/some-branch')).to eq(false)
+        expect(described_class.protected?(project, 'staging/some-branch')).to eq(false)
       end
     end
 
@@ -168,25 +168,25 @@ describe ProtectedBranch do
       it 'returns false when default_protected_branch is unprotected' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_NONE)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be false
+        expect(described_class.protected?(project, 'master')).to be false
       end
 
       it 'returns false when default_protected_branch lets developers push' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_PUSH)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be false
+        expect(described_class.protected?(project, 'master')).to be false
       end
 
       it 'returns true when default_branch_protection does not let developers push but let developer merge branches' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_MERGE)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be true
+        expect(described_class.protected?(project, 'master')).to be true
       end
 
       it 'returns true when default_branch_protection is in full protection' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_FULL)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be true
+        expect(described_class.protected?(project, 'master')).to be true
       end
     end
   end
diff --git a/spec/models/redirect_route_spec.rb b/spec/models/redirect_route_spec.rb
index 37948ea3f86..80943877095 100644
--- a/spec/models/redirect_route_spec.rb
+++ b/spec/models/redirect_route_spec.rb
@@ -21,7 +21,7 @@ describe RedirectRoute do
     let!(:redirect5) { group.redirect_routes.create(path: 'gitlabb/test/baz') }
 
     it 'returns correct routes' do
-      expect(RedirectRoute.matching_path_and_descendants('gitlabb/test')).to match_array([redirect2, redirect3, redirect4, redirect5])
+      expect(described_class.matching_path_and_descendants('gitlabb/test')).to match_array([redirect2, redirect3, redirect4, redirect5])
     end
   end
 end
diff --git a/spec/models/route_spec.rb b/spec/models/route_spec.rb
index 32cd5d1d944..bdacc60fb53 100644
--- a/spec/models/route_spec.rb
+++ b/spec/models/route_spec.rb
@@ -34,7 +34,7 @@ describe Route do
     context 'after create' do
       it 'calls #delete_conflicting_redirects' do
         route.destroy
-        new_route = Route.new(source: group, path: group.path)
+        new_route = described_class.new(source: group, path: group.path)
         expect(new_route).to receive(:delete_conflicting_redirects)
         new_route.save!
       end
@@ -49,7 +49,7 @@ describe Route do
     let!(:another_group_nested) { create(:group, path: 'another', name: 'another', parent: similar_group) }
 
     it 'returns correct routes' do
-      expect(Route.inside_path('git_lab')).to match_array([nested_group.route, deep_nested_group.route])
+      expect(described_class.inside_path('git_lab')).to match_array([nested_group.route, deep_nested_group.route])
     end
   end
 
diff --git a/spec/models/sent_notification_spec.rb b/spec/models/sent_notification_spec.rb
index 823cdb853eb..8b6b02916ae 100644
--- a/spec/models/sent_notification_spec.rb
+++ b/spec/models/sent_notification_spec.rb
@@ -38,7 +38,7 @@ describe SentNotification do
     let(:issue) { create(:issue) }
 
     it 'creates a new SentNotification' do
-      expect { described_class.record(issue, user.id) }.to change { SentNotification.count }.by(1)
+      expect { described_class.record(issue, user.id) }.to change { described_class.count }.by(1)
     end
   end
 
@@ -47,7 +47,7 @@ describe SentNotification do
     let(:note) { create(:diff_note_on_merge_request) }
 
     it 'creates a new SentNotification' do
-      expect { described_class.record_note(note, user.id) }.to change { SentNotification.count }.by(1)
+      expect { described_class.record_note(note, user.id) }.to change { described_class.count }.by(1)
     end
   end
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 105d41957c3..71aadbb4186 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -261,7 +261,7 @@ describe User do
       it "returns users with 2fa enabled via OTP" do
         user_with_2fa = create(:user, :two_factor_via_otp)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to include(user_with_2fa.id)
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -270,7 +270,7 @@ describe User do
       it "returns users with 2fa enabled via U2F" do
         user_with_2fa = create(:user, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to include(user_with_2fa.id)
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -279,7 +279,7 @@ describe User do
       it "returns users with 2fa enabled via OTP and U2F" do
         user_with_2fa = create(:user, :two_factor_via_otp, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to eq([user_with_2fa.id])
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -290,7 +290,7 @@ describe User do
       it "excludes users with 2fa enabled via OTP" do
         user_with_2fa = create(:user, :two_factor_via_otp)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -299,7 +299,7 @@ describe User do
       it "excludes users with 2fa enabled via U2F" do
         user_with_2fa = create(:user, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -308,7 +308,7 @@ describe User do
       it "excludes users with 2fa enabled via OTP and U2F" do
         user_with_2fa = create(:user, :two_factor_via_otp, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -324,8 +324,8 @@ describe User do
         create(:todo, user: current_user, author: user_2, state: :done)
         create(:todo, user: current_user, author: user_3, state: :pending)
 
-        expect(User.todo_authors(current_user.id, 'pending')).to eq [user_3]
-        expect(User.todo_authors(current_user.id, 'done')).to eq [user_2]
+        expect(described_class.todo_authors(current_user.id, 'pending')).to eq [user_3]
+        expect(described_class.todo_authors(current_user.id, 'done')).to eq [user_2]
       end
     end
   end
@@ -609,39 +609,39 @@ describe User do
     let(:user) { double }
 
     it 'filters by active users by default' do
-      expect(User).to receive(:active).and_return([user])
+      expect(described_class).to receive(:active).and_return([user])
 
-      expect(User.filter(nil)).to include user
+      expect(described_class.filter(nil)).to include user
     end
 
     it 'filters by admins' do
-      expect(User).to receive(:admins).and_return([user])
+      expect(described_class).to receive(:admins).and_return([user])
 
-      expect(User.filter('admins')).to include user
+      expect(described_class.filter('admins')).to include user
     end
 
     it 'filters by blocked' do
-      expect(User).to receive(:blocked).and_return([user])
+      expect(described_class).to receive(:blocked).and_return([user])
 
-      expect(User.filter('blocked')).to include user
+      expect(described_class.filter('blocked')).to include user
     end
 
     it 'filters by two_factor_disabled' do
-      expect(User).to receive(:without_two_factor).and_return([user])
+      expect(described_class).to receive(:without_two_factor).and_return([user])
 
-      expect(User.filter('two_factor_disabled')).to include user
+      expect(described_class.filter('two_factor_disabled')).to include user
     end
 
     it 'filters by two_factor_enabled' do
-      expect(User).to receive(:with_two_factor).and_return([user])
+      expect(described_class).to receive(:with_two_factor).and_return([user])
 
-      expect(User.filter('two_factor_enabled')).to include user
+      expect(described_class.filter('two_factor_enabled')).to include user
     end
 
     it 'filters by wop' do
-      expect(User).to receive(:without_projects).and_return([user])
+      expect(described_class).to receive(:without_projects).and_return([user])
 
-      expect(User.filter('wop')).to include user
+      expect(described_class.filter('wop')).to include user
     end
   end
 
@@ -662,9 +662,9 @@ describe User do
       project.request_access(user_without_project2)
     end
 
-    it { expect(User.without_projects).not_to include user }
-    it { expect(User.without_projects).to include user_without_project }
-    it { expect(User.without_projects).to include user_without_project2 }
+    it { expect(described_class.without_projects).not_to include user }
+    it { expect(described_class.without_projects).to include user_without_project }
+    it { expect(described_class.without_projects).to include user_without_project2 }
   end
 
   describe 'user creation' do
@@ -680,7 +680,7 @@ describe User do
     end
 
     describe 'with defaults' do
-      let(:user) { User.new }
+      let(:user) { described_class.new }
 
       it "applies defaults to user" do
         expect(user.projects_limit).to eq(Gitlab.config.gitlab.default_projects_limit)
@@ -690,7 +690,7 @@ describe User do
     end
 
     describe 'with default overrides' do
-      let(:user) { User.new(projects_limit: 123, can_create_group: false, can_create_team: true) }
+      let(:user) { described_class.new(projects_limit: 123, can_create_group: false, can_create_team: true) }
 
       it "applies defaults to user" do
         expect(user.projects_limit).to eq(123)
@@ -740,18 +740,18 @@ describe User do
     it 'finds by primary email' do
       user = create(:user, email: 'foo@example.com')
 
-      expect(User.find_by_any_email(user.email)).to eq user
+      expect(described_class.find_by_any_email(user.email)).to eq user
     end
 
     it 'finds by secondary email' do
       email = create(:email, email: 'foo@example.com')
       user  = email.user
 
-      expect(User.find_by_any_email(email.email)).to eq user
+      expect(described_class.find_by_any_email(email.email)).to eq user
     end
 
     it 'returns nil when nothing found' do
-      expect(User.find_by_any_email('')).to be_nil
+      expect(described_class.find_by_any_email('')).to be_nil
     end
   end
 
@@ -899,12 +899,12 @@ describe User do
     let!(:user) { create(:user, username: username) }
 
     it 'gets the correct user' do
-      expect(User.by_login(user.email.upcase)).to eq user
-      expect(User.by_login(user.email)).to eq user
-      expect(User.by_login(username.downcase)).to eq user
-      expect(User.by_login(username)).to eq user
-      expect(User.by_login(nil)).to be_nil
-      expect(User.by_login('')).to be_nil
+      expect(described_class.by_login(user.email.upcase)).to eq user
+      expect(described_class.by_login(user.email)).to eq user
+      expect(described_class.by_login(username.downcase)).to eq user
+      expect(described_class.by_login(username)).to eq user
+      expect(described_class.by_login(nil)).to be_nil
+      expect(described_class.by_login('')).to be_nil
     end
   end
 
@@ -938,12 +938,12 @@ describe User do
       let!(:route) { user.namespace.route }
 
       it 'returns the user' do
-        expect(User.find_by_full_path(route.path)).to eq(user)
+        expect(described_class.find_by_full_path(route.path)).to eq(user)
       end
 
       it 'is case-insensitive' do
-        expect(User.find_by_full_path(route.path.upcase)).to eq(user)
-        expect(User.find_by_full_path(route.path.downcase)).to eq(user)
+        expect(described_class.find_by_full_path(route.path.upcase)).to eq(user)
+        expect(described_class.find_by_full_path(route.path.downcase)).to eq(user)
       end
     end
 
@@ -952,18 +952,18 @@ describe User do
 
       context 'without the follow_redirects option' do
         it 'returns nil' do
-          expect(User.find_by_full_path(redirect_route.path)).to eq(nil)
+          expect(described_class.find_by_full_path(redirect_route.path)).to eq(nil)
         end
       end
 
       context 'with the follow_redirects option set to true' do
         it 'returns the user' do
-          expect(User.find_by_full_path(redirect_route.path, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path, follow_redirects: true)).to eq(user)
         end
 
         it 'is case-insensitive' do
-          expect(User.find_by_full_path(redirect_route.path.upcase, follow_redirects: true)).to eq(user)
-          expect(User.find_by_full_path(redirect_route.path.downcase, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path.upcase, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path.downcase, follow_redirects: true)).to eq(user)
         end
       end
     end
@@ -971,12 +971,12 @@ describe User do
     context 'without a route or a redirect route matching the given path' do
       context 'without the follow_redirects option' do
         it 'returns nil' do
-          expect(User.find_by_full_path('unknown')).to eq(nil)
+          expect(described_class.find_by_full_path('unknown')).to eq(nil)
         end
       end
       context 'with the follow_redirects option set to true' do
         it 'returns nil' do
-          expect(User.find_by_full_path('unknown', follow_redirects: true)).to eq(nil)
+          expect(described_class.find_by_full_path('unknown', follow_redirects: true)).to eq(nil)
         end
       end
     end
@@ -986,7 +986,7 @@ describe User do
         let!(:group) { create(:group, path: 'group_path', owner: user) }
 
         it 'returns nil' do
-          expect(User.find_by_full_path('group_path')).to eq(nil)
+          expect(described_class.find_by_full_path('group_path')).to eq(nil)
         end
       end
 
@@ -994,7 +994,7 @@ describe User do
         let!(:group) { create(:group, path: 'group_path') }
 
         it 'returns nil' do
-          expect(User.find_by_full_path('group_path')).to eq(nil)
+          expect(described_class.find_by_full_path('group_path')).to eq(nil)
         end
       end
     end
@@ -1044,7 +1044,7 @@ describe User do
   end
 
   describe '#requires_ldap_check?' do
-    let(:user) { User.new }
+    let(:user) { described_class.new }
 
     it 'is false when LDAP is disabled' do
       # Create a condition which would otherwise cause 'true' to be returned
@@ -1215,7 +1215,7 @@ describe User do
 
   describe '#sort' do
     before do
-      User.delete_all
+      described_class.delete_all
       @user = create :user, created_at: Date.today, last_sign_in_at: Date.today, name: 'Alpha'
       @user1 = create :user, created_at: Date.today - 1, last_sign_in_at: Date.today - 1, name: 'Omega'
       @user2 = create :user, created_at: Date.today - 2, last_sign_in_at: nil, name: 'Beta'
@@ -1223,34 +1223,34 @@ describe User do
 
     context 'when sort by recent_sign_in' do
       it 'sorts users by the recent sign-in time' do
-        expect(User.sort('recent_sign_in').first).to eq(@user)
+        expect(described_class.sort('recent_sign_in').first).to eq(@user)
       end
 
       it 'pushes users who never signed in to the end' do
-        expect(User.sort('recent_sign_in').third).to eq(@user2)
+        expect(described_class.sort('recent_sign_in').third).to eq(@user2)
       end
     end
 
     context 'when sort by oldest_sign_in' do
       it 'sorts users by the oldest sign-in time' do
-        expect(User.sort('oldest_sign_in').first).to eq(@user1)
+        expect(described_class.sort('oldest_sign_in').first).to eq(@user1)
       end
 
       it 'pushes users who never signed in to the end' do
-        expect(User.sort('oldest_sign_in').third).to eq(@user2)
+        expect(described_class.sort('oldest_sign_in').third).to eq(@user2)
       end
     end
 
     it 'sorts users in descending order by their creation time' do
-      expect(User.sort('created_desc').first).to eq(@user)
+      expect(described_class.sort('created_desc').first).to eq(@user)
     end
 
     it 'sorts users in ascending order by their creation time' do
-      expect(User.sort('created_asc').first).to eq(@user2)
+      expect(described_class.sort('created_asc').first).to eq(@user2)
     end
 
     it 'sorts users by id in descending order when nil is passed' do
-      expect(User.sort(nil).first).to eq(@user2)
+      expect(described_class.sort(nil).first).to eq(@user2)
     end
   end
 
@@ -1770,7 +1770,7 @@ describe User do
 
   describe '.ghost' do
     it "creates a ghost user if one isn't already present" do
-      ghost = User.ghost
+      ghost = described_class.ghost
 
       expect(ghost).to be_ghost
       expect(ghost).to be_persisted
@@ -1778,16 +1778,16 @@ describe User do
 
     it "does not create a second ghost user if one is already present" do
       expect do
-        User.ghost
-        User.ghost
-      end.to change { User.count }.by(1)
-      expect(User.ghost).to eq(User.ghost)
+        described_class.ghost
+        described_class.ghost
+      end.to change { described_class.count }.by(1)
+      expect(described_class.ghost).to eq(described_class.ghost)
     end
 
     context "when a regular user exists with the username 'ghost'" do
       it "creates a ghost user with a non-conflicting username" do
         create(:user, username: 'ghost')
-        ghost = User.ghost
+        ghost = described_class.ghost
 
         expect(ghost).to be_persisted
         expect(ghost.username).to eq('ghost1')
@@ -1797,7 +1797,7 @@ describe User do
     context "when a regular user exists with the email 'ghost@example.com'" do
       it "creates a ghost user with a non-conflicting email" do
         create(:user, email: 'ghost@example.com')
-        ghost = User.ghost
+        ghost = described_class.ghost
 
         expect(ghost).to be_persisted
         expect(ghost.email).to eq('ghost1@example.com')
@@ -1810,7 +1810,7 @@ describe User do
       end
 
       it 'creates a ghost user' do
-        expect(User.ghost).to be_persisted
+        expect(described_class.ghost).to be_persisted
       end
     end
   end
@@ -1889,13 +1889,13 @@ describe User do
 
   context '.active' do
     before do
-      User.ghost
+      described_class.ghost
       create(:user, name: 'user', state: 'active')
       create(:user, name: 'user', state: 'blocked')
     end
 
     it 'only counts active and non internal users' do
-      expect(User.active.count).to eq(1)
+      expect(described_class.active.count).to eq(1)
     end
   end
 
diff --git a/spec/models/wiki_directory_spec.rb b/spec/models/wiki_directory_spec.rb
index c3c62c42b35..fb8575cfe2b 100644
--- a/spec/models/wiki_directory_spec.rb
+++ b/spec/models/wiki_directory_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe WikiDirectory do
   describe '#initialize' do
     context 'when there are pages' do
       let(:pages) { [build(:wiki_page)] }
-      let(:directory) { WikiDirectory.new('/path_up_to/dir', pages) }
+      let(:directory) { described_class.new('/path_up_to/dir', pages) }
 
       it 'sets the slug attribute' do
         expect(directory.slug).to eq('/path_up_to/dir')
@@ -22,7 +22,7 @@ RSpec.describe WikiDirectory do
     end
 
     context 'when there are no pages' do
-      let(:directory) { WikiDirectory.new('/path_up_to/dir') }
+      let(:directory) { described_class.new('/path_up_to/dir') }
 
       it 'sets the slug attribute' do
         expect(directory.slug).to eq('/path_up_to/dir')
diff --git a/spec/models/wiki_page_spec.rb b/spec/models/wiki_page_spec.rb
index 77506a78459..90ad3cdeb93 100644
--- a/spec/models/wiki_page_spec.rb
+++ b/spec/models/wiki_page_spec.rb
@@ -5,13 +5,13 @@ describe WikiPage do
   let(:user) { project.owner }
   let(:wiki) { ProjectWiki.new(project, user) }
 
-  subject { WikiPage.new(wiki) }
+  subject { described_class.new(wiki) }
 
   describe '.group_by_directory' do
     context 'when there are no pages' do
       it 'returns an empty array' do
-        expect(WikiPage.group_by_directory(nil)).to eq([])
-        expect(WikiPage.group_by_directory([])).to eq([])
+        expect(described_class.group_by_directory(nil)).to eq([])
+        expect(described_class.group_by_directory([])).to eq([])
       end
     end
 
@@ -39,7 +39,7 @@ describe WikiPage do
       it 'returns an array with pages and directories' do
         expected_grouped_entries = [page_1, dir_1, dir_1_1, dir_2]
 
-        grouped_entries = WikiPage.group_by_directory(wiki.pages)
+        grouped_entries = described_class.group_by_directory(wiki.pages)
 
         grouped_entries.each_with_index do |page_or_dir, i|
           expected_page_or_dir = expected_grouped_entries[i]
@@ -56,7 +56,7 @@ describe WikiPage do
         expected_order = ['page_1', 'dir_1/page_2', 'dir_1/dir_1_1/page_3',
                           'dir_2/page_4', 'dir_2/page_5']
 
-        grouped_entries = WikiPage.group_by_directory(wiki.pages)
+        grouped_entries = described_class.group_by_directory(wiki.pages)
 
         actual_order =
           grouped_entries.map do |page_or_dir|
@@ -72,7 +72,7 @@ describe WikiPage do
     it 'removes hyphens from a name' do
       name = 'a-name--with-hyphens'
 
-      expect(WikiPage.unhyphenize(name)).to eq('a name with hyphens')
+      expect(described_class.unhyphenize(name)).to eq('a name with hyphens')
     end
   end
 
@@ -81,7 +81,7 @@ describe WikiPage do
       before do
         create_page("test page", "test content")
         @page = wiki.wiki.paged("test page")
-        @wiki_page = WikiPage.new(wiki, @page, true)
+        @wiki_page = described_class.new(wiki, @page, true)
       end
 
       it "sets the slug attribute" do
diff --git a/spec/policies/global_policy_spec.rb b/spec/policies/global_policy_spec.rb
index 2a590e12232..a6bf70c1e09 100644
--- a/spec/policies/global_policy_spec.rb
+++ b/spec/policies/global_policy_spec.rb
@@ -4,7 +4,7 @@ describe GlobalPolicy do
   let(:current_user) { create(:user) }
   let(:user) { create(:user) }
 
-  subject { GlobalPolicy.new(current_user, [user]) }
+  subject { described_class.new(current_user, [user]) }
 
   describe "reading the list of users" do
     context "for a logged in user" do
diff --git a/spec/policies/user_policy_spec.rb b/spec/policies/user_policy_spec.rb
index 67ab239e4c8..6593a6ca3b9 100644
--- a/spec/policies/user_policy_spec.rb
+++ b/spec/policies/user_policy_spec.rb
@@ -4,7 +4,7 @@ describe UserPolicy do
   let(:current_user) { create(:user) }
   let(:user) { create(:user) }
 
-  subject { UserPolicy.new(current_user, user) }
+  subject { described_class.new(current_user, user) }
 
   describe "reading a user's information" do
     it { is_expected.to be_allowed(:read_user) }
diff --git a/spec/services/create_release_service_spec.rb b/spec/services/create_release_service_spec.rb
index e4d1c1a8f9d..ac0a0458f56 100644
--- a/spec/services/create_release_service_spec.rb
+++ b/spec/services/create_release_service_spec.rb
@@ -5,7 +5,7 @@ describe CreateReleaseService do
   let(:user) { create(:user) }
   let(:tag_name) { project.repository.tag_names.first }
   let(:description) { 'Awesome release!' }
-  let(:service) { CreateReleaseService.new(project, user) }
+  let(:service) { described_class.new(project, user) }
 
   it 'creates a new release' do
     result = service.execute(tag_name, description)
diff --git a/spec/services/event_create_service_spec.rb b/spec/services/event_create_service_spec.rb
index 561b9d14a0f..00104ae1fd9 100644
--- a/spec/services/event_create_service_spec.rb
+++ b/spec/services/event_create_service_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe EventCreateService do
   include UserActivitiesHelpers
 
-  let(:service) { EventCreateService.new }
+  let(:service) { described_class.new }
 
   describe 'Issues' do
     describe '#open_issue' do
diff --git a/spec/services/git_hooks_service_spec.rb b/spec/services/git_hooks_service_spec.rb
index f1242df7e93..3ce01a995b4 100644
--- a/spec/services/git_hooks_service_spec.rb
+++ b/spec/services/git_hooks_service_spec.rb
@@ -5,7 +5,7 @@ describe GitHooksService do
 
   let(:user)    { create(:user) }
   let(:project) { create(:project, :repository) }
-  let(:service) { GitHooksService.new }
+  let(:service) { described_class.new }
 
   before do
     @blankrev = Gitlab::Git::BLANK_SHA
diff --git a/spec/services/git_tag_push_service_spec.rb b/spec/services/git_tag_push_service_spec.rb
index d2baeb7b746..f877c145390 100644
--- a/spec/services/git_tag_push_service_spec.rb
+++ b/spec/services/git_tag_push_service_spec.rb
@@ -5,7 +5,7 @@ describe GitTagPushService do
 
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository) }
-  let(:service) { GitTagPushService.new(project, user, oldrev: oldrev, newrev: newrev, ref: ref) }
+  let(:service) { described_class.new(project, user, oldrev: oldrev, newrev: newrev, ref: ref) }
 
   let(:oldrev) { Gitlab::Git::BLANK_SHA }
   let(:newrev) { "8a2a6eb295bb170b34c24c76c49ed0e9b2eaf34b" } # gitlab-test: git rev-parse refs/tags/v1.1.0
@@ -184,7 +184,7 @@ describe GitTagPushService do
 
   describe "Webhooks" do
     context "execute webhooks" do
-      let(:service) { GitTagPushService.new(project, user, oldrev: 'oldrev', newrev: 'newrev', ref: 'refs/tags/v1.0.0') }
+      let(:service) { described_class.new(project, user, oldrev: 'oldrev', newrev: 'newrev', ref: 'refs/tags/v1.0.0') }
 
       it "when pushing tags" do
         expect(project).to receive(:execute_hooks)
diff --git a/spec/services/groups/destroy_service_spec.rb b/spec/services/groups/destroy_service_spec.rb
index b3ceb5428cd..3e7aa8c835c 100644
--- a/spec/services/groups/destroy_service_spec.rb
+++ b/spec/services/groups/destroy_service_spec.rb
@@ -100,7 +100,7 @@ describe Groups::DestroyService do
 
           # Kick off the initial group destroy in a new thread, so that
           # it doesn't share this spec's database transaction.
-          Thread.new { Groups::DestroyService.new(group, user).async_execute }.join(5)
+          Thread.new { described_class.new(group, user).async_execute }.join(5)
 
           group_record = run_with_new_database_connection do |conn|
             conn.execute("SELECT * FROM namespaces WHERE id = #{group.id}").first
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index 17d4a072e3d..eec2096fa34 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -488,7 +488,7 @@ describe Issues::UpdateService do
 
     context 'updating mentions' do
       let(:mentionable) { issue }
-      include_examples 'updating mentions', Issues::UpdateService
+      include_examples 'updating mentions', described_class
     end
 
     context 'duplicate issue' do
diff --git a/spec/services/labels/create_service_spec.rb b/spec/services/labels/create_service_spec.rb
index 0fa7b5199fe..ecb88653001 100644
--- a/spec/services/labels/create_service_spec.rb
+++ b/spec/services/labels/create_service_spec.rb
@@ -17,7 +17,7 @@ describe Labels::CreateService do
     context 'in a project' do
       context 'with color in hex-code' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(hex_color)).execute(project: project)
+          label = described_class.new(params_with(hex_color)).execute(project: project)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -26,7 +26,7 @@ describe Labels::CreateService do
 
       context 'with color in allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(named_color)).execute(project: project)
+          label = described_class.new(params_with(named_color)).execute(project: project)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -35,7 +35,7 @@ describe Labels::CreateService do
 
       context 'with color in up-case allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(upcase_color)).execute(project: project)
+          label = described_class.new(params_with(upcase_color)).execute(project: project)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -44,7 +44,7 @@ describe Labels::CreateService do
 
       context 'with color surrounded by spaces' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(spaced_color)).execute(project: project)
+          label = described_class.new(params_with(spaced_color)).execute(project: project)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -53,7 +53,7 @@ describe Labels::CreateService do
 
       context 'with unknown color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(unknown_color)).execute(project: project)
+          label = described_class.new(params_with(unknown_color)).execute(project: project)
 
           expect(label).not_to be_persisted
         end
@@ -61,7 +61,7 @@ describe Labels::CreateService do
 
       context 'with no color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(no_color)).execute(project: project)
+          label = described_class.new(params_with(no_color)).execute(project: project)
 
           expect(label).not_to be_persisted
         end
@@ -71,7 +71,7 @@ describe Labels::CreateService do
     context 'in a group' do
       context 'with color in hex-code' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(hex_color)).execute(group: group)
+          label = described_class.new(params_with(hex_color)).execute(group: group)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -80,7 +80,7 @@ describe Labels::CreateService do
 
       context 'with color in allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(named_color)).execute(group: group)
+          label = described_class.new(params_with(named_color)).execute(group: group)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -89,7 +89,7 @@ describe Labels::CreateService do
 
       context 'with color in up-case allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(upcase_color)).execute(group: group)
+          label = described_class.new(params_with(upcase_color)).execute(group: group)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -98,7 +98,7 @@ describe Labels::CreateService do
 
       context 'with color surrounded by spaces' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(spaced_color)).execute(group: group)
+          label = described_class.new(params_with(spaced_color)).execute(group: group)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -107,7 +107,7 @@ describe Labels::CreateService do
 
       context 'with unknown color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(unknown_color)).execute(group: group)
+          label = described_class.new(params_with(unknown_color)).execute(group: group)
 
           expect(label).not_to be_persisted
         end
@@ -115,7 +115,7 @@ describe Labels::CreateService do
 
       context 'with no color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(no_color)).execute(group: group)
+          label = described_class.new(params_with(no_color)).execute(group: group)
 
           expect(label).not_to be_persisted
         end
@@ -125,7 +125,7 @@ describe Labels::CreateService do
     context 'in admin area' do
       context 'with color in hex-code' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(hex_color)).execute(template: true)
+          label = described_class.new(params_with(hex_color)).execute(template: true)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -134,7 +134,7 @@ describe Labels::CreateService do
 
       context 'with color in allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(named_color)).execute(template: true)
+          label = described_class.new(params_with(named_color)).execute(template: true)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -143,7 +143,7 @@ describe Labels::CreateService do
 
       context 'with color in up-case allowed name' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(upcase_color)).execute(template: true)
+          label = described_class.new(params_with(upcase_color)).execute(template: true)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -152,7 +152,7 @@ describe Labels::CreateService do
 
       context 'with color surrounded by spaces' do
         it 'creates a label' do
-          label = Labels::CreateService.new(params_with(spaced_color)).execute(template: true)
+          label = described_class.new(params_with(spaced_color)).execute(template: true)
 
           expect(label).to be_persisted
           expect(label.color).to eq expected_saved_color
@@ -161,7 +161,7 @@ describe Labels::CreateService do
 
       context 'with unknown color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(unknown_color)).execute(template: true)
+          label = described_class.new(params_with(unknown_color)).execute(template: true)
 
           expect(label).not_to be_persisted
         end
@@ -169,7 +169,7 @@ describe Labels::CreateService do
 
       context 'with no color' do
         it 'doesn\'t create a label' do
-          label = Labels::CreateService.new(params_with(no_color)).execute(template: true)
+          label = described_class.new(params_with(no_color)).execute(template: true)
 
           expect(label).not_to be_persisted
         end
diff --git a/spec/services/labels/update_service_spec.rb b/spec/services/labels/update_service_spec.rb
index 83ea11f62a6..bb95fe20fbf 100644
--- a/spec/services/labels/update_service_spec.rb
+++ b/spec/services/labels/update_service_spec.rb
@@ -20,7 +20,7 @@ describe Labels::UpdateService do
 
     context 'with color in hex-code' do
       it 'updates the label' do
-        label = Labels::UpdateService.new(params_with(hex_color)).execute(@label)
+        label = described_class.new(params_with(hex_color)).execute(@label)
 
         expect(label).to be_valid
         expect(label.reload.color).to eq expected_saved_color
@@ -29,7 +29,7 @@ describe Labels::UpdateService do
 
     context 'with color in allowed name' do
       it 'updates the label' do
-        label = Labels::UpdateService.new(params_with(named_color)).execute(@label)
+        label = described_class.new(params_with(named_color)).execute(@label)
 
         expect(label).to be_valid
         expect(label.reload.color).to eq expected_saved_color
@@ -38,7 +38,7 @@ describe Labels::UpdateService do
 
     context 'with color in up-case allowed name' do
       it 'updates the label' do
-        label = Labels::UpdateService.new(params_with(upcase_color)).execute(@label)
+        label = described_class.new(params_with(upcase_color)).execute(@label)
 
         expect(label).to be_valid
         expect(label.reload.color).to eq expected_saved_color
@@ -47,7 +47,7 @@ describe Labels::UpdateService do
 
     context 'with color surrounded by spaces' do
       it 'updates the label' do
-        label = Labels::UpdateService.new(params_with(spaced_color)).execute(@label)
+        label = described_class.new(params_with(spaced_color)).execute(@label)
 
         expect(label).to be_valid
         expect(label.reload.color).to eq expected_saved_color
@@ -56,7 +56,7 @@ describe Labels::UpdateService do
 
     context 'with unknown color' do
       it 'doesn\'t update the label' do
-        label = Labels::UpdateService.new(params_with(unknown_color)).execute(@label)
+        label = described_class.new(params_with(unknown_color)).execute(@label)
 
         expect(label).not_to be_valid
       end
@@ -64,7 +64,7 @@ describe Labels::UpdateService do
 
     context 'with no color' do
       it 'doesn\'t update the label' do
-        label = Labels::UpdateService.new(params_with(no_color)).execute(@label)
+        label = described_class.new(params_with(no_color)).execute(@label)
 
         expect(label).not_to be_valid
       end
diff --git a/spec/services/merge_requests/build_service_spec.rb b/spec/services/merge_requests/build_service_spec.rb
index 0dcb636dd35..ea192e51f89 100644
--- a/spec/services/merge_requests/build_service_spec.rb
+++ b/spec/services/merge_requests/build_service_spec.rb
@@ -19,7 +19,7 @@ describe MergeRequests::BuildService do
   let(:commits) { nil }
 
   let(:service) do
-    MergeRequests::BuildService.new(project, user,
+    described_class.new(project, user,
                                     description: description,
                                     source_branch: source_branch,
                                     target_branch: target_branch,
diff --git a/spec/services/merge_requests/merge_service_spec.rb b/spec/services/merge_requests/merge_service_spec.rb
index a8f24b744c2..e593bfeeaf7 100644
--- a/spec/services/merge_requests/merge_service_spec.rb
+++ b/spec/services/merge_requests/merge_service_spec.rb
@@ -13,7 +13,7 @@ describe MergeRequests::MergeService do
 
   describe '#execute' do
     context 'valid params' do
-      let(:service) { MergeRequests::MergeService.new(project, user, commit_message: 'Awesome message') }
+      let(:service) { described_class.new(project, user, commit_message: 'Awesome message') }
 
       before do
         allow(service).to receive(:execute_hooks)
@@ -112,7 +112,7 @@ describe MergeRequests::MergeService do
     context 'closes related todos' do
       let(:merge_request) { create(:merge_request, assignee: user, author: user) }
       let(:project) { merge_request.project }
-      let(:service) { MergeRequests::MergeService.new(project, user, commit_message: 'Awesome message') }
+      let(:service) { described_class.new(project, user, commit_message: 'Awesome message') }
       let!(:todo) do
         create(:todo, :assigned,
           project: project,
@@ -136,7 +136,7 @@ describe MergeRequests::MergeService do
     context 'source branch removal' do
       context 'when the source branch is protected' do
         let(:service) do
-          MergeRequests::MergeService.new(project, user, should_remove_source_branch: '1')
+          described_class.new(project, user, should_remove_source_branch: '1')
         end
 
         before do
@@ -151,7 +151,7 @@ describe MergeRequests::MergeService do
 
       context 'when the source branch is the default branch' do
         let(:service) do
-          MergeRequests::MergeService.new(project, user, should_remove_source_branch: '1')
+          described_class.new(project, user, should_remove_source_branch: '1')
         end
 
         before do
@@ -169,7 +169,7 @@ describe MergeRequests::MergeService do
           let(:service) do
             merge_request.merge_params['force_remove_source_branch'] = '1'
             merge_request.save!
-            MergeRequests::MergeService.new(project, user, commit_message: 'Awesome message')
+            described_class.new(project, user, commit_message: 'Awesome message')
           end
 
           it 'removes the source branch using the author user' do
@@ -182,7 +182,7 @@ describe MergeRequests::MergeService do
 
         context 'when MR merger set the source branch to be removed' do
           let(:service) do
-            MergeRequests::MergeService.new(project, user, commit_message: 'Awesome message', should_remove_source_branch: '1')
+            described_class.new(project, user, commit_message: 'Awesome message', should_remove_source_branch: '1')
           end
 
           it 'removes the source branch using the current user' do
@@ -196,7 +196,7 @@ describe MergeRequests::MergeService do
     end
 
     context "error handling" do
-      let(:service) { MergeRequests::MergeService.new(project, user, commit_message: 'Awesome message') }
+      let(:service) { described_class.new(project, user, commit_message: 'Awesome message') }
 
       before do
         allow(Rails.logger).to receive(:error)
diff --git a/spec/services/merge_requests/refresh_service_spec.rb b/spec/services/merge_requests/refresh_service_spec.rb
index 6c703dded36..2af2485eeed 100644
--- a/spec/services/merge_requests/refresh_service_spec.rb
+++ b/spec/services/merge_requests/refresh_service_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe MergeRequests::RefreshService do
   let(:project) { create(:project, :repository) }
   let(:user) { create(:user) }
-  let(:service) { MergeRequests::RefreshService }
+  let(:service) { described_class }
 
   describe '#execute' do
     before do
diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
index dddb526e58e..dd3ac9c4ac6 100644
--- a/spec/services/merge_requests/update_service_spec.rb
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -55,7 +55,7 @@ describe MergeRequests::UpdateService do
         }
       end
 
-      let(:service) { MergeRequests::UpdateService.new(project, user, opts) }
+      let(:service) { described_class.new(project, user, opts) }
 
       before do
         allow(service).to receive(:execute_hooks)
@@ -145,7 +145,7 @@ describe MergeRequests::UpdateService do
         }
       end
 
-      let(:service) { MergeRequests::UpdateService.new(project, user, opts) }
+      let(:service) { described_class.new(project, user, opts) }
 
       context 'without pipeline' do
         before do
@@ -205,7 +205,7 @@ describe MergeRequests::UpdateService do
 
       context 'with a non-authorised user' do
         let(:visitor) { create(:user) }
-        let(:service) { MergeRequests::UpdateService.new(project, visitor, opts) }
+        let(:service) { described_class.new(project, visitor, opts) }
 
         before do
           merge_request.update_attribute(:merge_error, 'Error')
@@ -348,7 +348,7 @@ describe MergeRequests::UpdateService do
         opts = { label_ids: [label.id] }
 
         perform_enqueued_jobs do
-          @merge_request = MergeRequests::UpdateService.new(project, user, opts).execute(merge_request)
+          @merge_request = described_class.new(project, user, opts).execute(merge_request)
         end
 
         should_email(subscriber)
@@ -364,7 +364,7 @@ describe MergeRequests::UpdateService do
           opts = { label_ids: [label.id, label2.id] }
 
           perform_enqueued_jobs do
-            @merge_request = MergeRequests::UpdateService.new(project, user, opts).execute(merge_request)
+            @merge_request = described_class.new(project, user, opts).execute(merge_request)
           end
 
           should_not_email(subscriber)
@@ -375,7 +375,7 @@ describe MergeRequests::UpdateService do
           opts = { label_ids: [label2.id] }
 
           perform_enqueued_jobs do
-            @merge_request = MergeRequests::UpdateService.new(project, user, opts).execute(merge_request)
+            @merge_request = described_class.new(project, user, opts).execute(merge_request)
           end
 
           should_not_email(subscriber)
@@ -386,7 +386,7 @@ describe MergeRequests::UpdateService do
 
     context 'updating mentions' do
       let(:mentionable) { merge_request }
-      include_examples 'updating mentions', MergeRequests::UpdateService
+      include_examples 'updating mentions', described_class
     end
 
     context 'when MergeRequest has tasks' do
diff --git a/spec/services/milestones/close_service_spec.rb b/spec/services/milestones/close_service_spec.rb
index 0838131a18a..fa0686d8061 100644
--- a/spec/services/milestones/close_service_spec.rb
+++ b/spec/services/milestones/close_service_spec.rb
@@ -11,7 +11,7 @@ describe Milestones::CloseService do
 
   describe '#execute' do
     before do
-      Milestones::CloseService.new(project, user, {}).execute(milestone)
+      described_class.new(project, user, {}).execute(milestone)
     end
 
     it { expect(milestone).to be_valid }
diff --git a/spec/services/milestones/create_service_spec.rb b/spec/services/milestones/create_service_spec.rb
index 0c2c41929d7..c6fe8e65912 100644
--- a/spec/services/milestones/create_service_spec.rb
+++ b/spec/services/milestones/create_service_spec.rb
@@ -14,7 +14,7 @@ describe Milestones::CreateService do
           description: 'Patch release to fix security issue'
         }
 
-        @milestone = Milestones::CreateService.new(project, user, opts).execute
+        @milestone = described_class.new(project, user, opts).execute
       end
 
       it { expect(@milestone).to be_valid }
diff --git a/spec/services/notes/post_process_service_spec.rb b/spec/services/notes/post_process_service_spec.rb
index 9044771939d..bf9320e5fce 100644
--- a/spec/services/notes/post_process_service_spec.rb
+++ b/spec/services/notes/post_process_service_spec.rb
@@ -21,7 +21,7 @@ describe Notes::PostProcessService do
       expect(project).to receive(:execute_hooks)
       expect(project).to receive(:execute_services)
 
-      Notes::PostProcessService.new(@note).execute
+      described_class.new(@note).execute
     end
   end
 end
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
index 30fbe363fed..c98eb87b94e 100644
--- a/spec/services/notification_service_spec.rb
+++ b/spec/services/notification_service_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe NotificationService do
   include EmailHelpers
 
-  let(:notification) { NotificationService.new }
+  let(:notification) { described_class.new }
   let(:assignee) { create(:user) }
 
   around(:each) do |example|
diff --git a/spec/services/pages_service_spec.rb b/spec/services/pages_service_spec.rb
index 7b9c92c0ce7..f8db6900a0a 100644
--- a/spec/services/pages_service_spec.rb
+++ b/spec/services/pages_service_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe PagesService do
   let(:build) { create(:ci_build) }
   let(:data) { Gitlab::DataBuilder::Build.build(build) }
-  let(:service) { PagesService.new(data) }
+  let(:service) { described_class.new(data) }
 
   before do
     allow(Gitlab.config.pages).to receive(:enabled).and_return(true)
diff --git a/spec/services/projects/destroy_service_spec.rb b/spec/services/projects/destroy_service_spec.rb
index 6851c96a6d6..85b05ef6d05 100644
--- a/spec/services/projects/destroy_service_spec.rb
+++ b/spec/services/projects/destroy_service_spec.rb
@@ -81,7 +81,7 @@ describe Projects::DestroyService do
     before do
       new_user = create(:user)
       project.team.add_user(new_user, Gitlab::Access::DEVELOPER)
-      allow_any_instance_of(Projects::DestroyService).to receive(:flush_caches).and_raise(::Redis::CannotConnectError)
+      allow_any_instance_of(described_class).to receive(:flush_caches).and_raise(::Redis::CannotConnectError)
     end
 
     it 'keeps project team intact upon an error' do
@@ -114,7 +114,7 @@ describe Projects::DestroyService do
     context 'errors' do
       context 'when `remove_legacy_registry_tags` fails' do
         before do
-          expect_any_instance_of(Projects::DestroyService)
+          expect_any_instance_of(described_class)
             .to receive(:remove_legacy_registry_tags).and_return(false)
         end
 
@@ -123,7 +123,7 @@ describe Projects::DestroyService do
 
       context 'when `remove_repository` fails' do
         before do
-          expect_any_instance_of(Projects::DestroyService)
+          expect_any_instance_of(described_class)
             .to receive(:remove_repository).and_return(false)
         end
 
diff --git a/spec/services/projects/transfer_service_spec.rb b/spec/services/projects/transfer_service_spec.rb
index 53668c07285..ae32e85b2a7 100644
--- a/spec/services/projects/transfer_service_spec.rb
+++ b/spec/services/projects/transfer_service_spec.rb
@@ -37,7 +37,7 @@ describe Projects::TransferService do
     end
 
     it 'executes system hooks' do
-      expect_any_instance_of(Projects::TransferService).to receive(:execute_system_hooks)
+      expect_any_instance_of(described_class).to receive(:execute_system_hooks)
 
       transfer_project(project, user, group)
     end
@@ -80,7 +80,7 @@ describe Projects::TransferService do
     end
 
     it "doesn't run system hooks" do
-      expect_any_instance_of(Projects::TransferService).not_to receive(:execute_system_hooks)
+      expect_any_instance_of(described_class).not_to receive(:execute_system_hooks)
 
       attempt_project_transfer
     end
diff --git a/spec/services/projects/unlink_fork_service_spec.rb b/spec/services/projects/unlink_fork_service_spec.rb
index cd5b443b043..2ae8d5f7c54 100644
--- a/spec/services/projects/unlink_fork_service_spec.rb
+++ b/spec/services/projects/unlink_fork_service_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Projects::UnlinkForkService do
-  subject { Projects::UnlinkForkService.new(fork_project, user) }
+  subject { described_class.new(fork_project, user) }
 
   let(:fork_link) { create(:forked_project_link) }
   let(:fork_project) { fork_link.forked_to_project }
diff --git a/spec/services/repair_ldap_blocked_user_service_spec.rb b/spec/services/repair_ldap_blocked_user_service_spec.rb
index 57a6162206c..bf79cfe74b7 100644
--- a/spec/services/repair_ldap_blocked_user_service_spec.rb
+++ b/spec/services/repair_ldap_blocked_user_service_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe RepairLdapBlockedUserService do
   let(:user) { create(:omniauth_user, provider: 'ldapmain', state: 'ldap_blocked') }
   let(:identity) { user.ldap_identity }
-  subject(:service) { RepairLdapBlockedUserService.new(user) }
+  subject(:service) { described_class.new(user) }
 
   describe '#execute' do
     it 'changes to normal block after destroying last ldap identity' do
diff --git a/spec/services/search/global_service_spec.rb b/spec/services/search/global_service_spec.rb
index c376cdeb725..de921573b1a 100644
--- a/spec/services/search/global_service_spec.rb
+++ b/spec/services/search/global_service_spec.rb
@@ -16,7 +16,7 @@ describe Search::GlobalService do
   describe '#execute' do
     context 'unauthenticated' do
       it 'returns public projects only' do
-        results = Search::GlobalService.new(nil, search: "searchable").execute
+        results = described_class.new(nil, search: "searchable").execute
 
         expect(results.objects('projects')).to match_array [public_project]
       end
@@ -24,19 +24,19 @@ describe Search::GlobalService do
 
     context 'authenticated' do
       it 'returns public, internal and private projects' do
-        results = Search::GlobalService.new(user, search: "searchable").execute
+        results = described_class.new(user, search: "searchable").execute
 
         expect(results.objects('projects')).to match_array [public_project, found_project, internal_project]
       end
 
       it 'returns only public & internal projects' do
-        results = Search::GlobalService.new(internal_user, search: "searchable").execute
+        results = described_class.new(internal_user, search: "searchable").execute
 
         expect(results.objects('projects')).to match_array [internal_project, public_project]
       end
 
       it 'namespace name is searchable' do
-        results = Search::GlobalService.new(user, search: found_project.namespace.path).execute
+        results = described_class.new(user, search: found_project.namespace.path).execute
 
         expect(results.objects('projects')).to match_array [found_project]
       end
diff --git a/spec/services/search/group_service_spec.rb b/spec/services/search/group_service_spec.rb
index 3315d74658e..cb3f02d2883 100644
--- a/spec/services/search/group_service_spec.rb
+++ b/spec/services/search/group_service_spec.rb
@@ -17,7 +17,7 @@ describe Search::GroupService do
       let!(:project2) { create(:empty_project, :internal, namespace: nested_group, name: "Inner #{term} 2") }
       let!(:project3) { create(:empty_project, :internal, namespace: nested_group.parent, name: "Outer #{term}") }
 
-      let(:results) { Search::GroupService.new(user, search_group, search: term).execute }
+      let(:results) { described_class.new(user, search_group, search: term).execute }
       subject { results.objects('projects') }
 
       context 'in parent group' do
diff --git a/spec/services/search_service_spec.rb b/spec/services/search_service_spec.rb
index a6ec324fe8f..a6ef7561bc8 100644
--- a/spec/services/search_service_spec.rb
+++ b/spec/services/search_service_spec.rb
@@ -22,7 +22,7 @@ describe SearchService do
   describe '#project' do
     context 'when the project is accessible' do
       it 'returns the project' do
-        project = SearchService.new(user, project_id: accessible_project.id).project
+        project = described_class.new(user, project_id: accessible_project.id).project
 
         expect(project).to eq accessible_project
       end
@@ -31,7 +31,7 @@ describe SearchService do
         search_project = create :empty_project
         search_project.add_guest(user)
 
-        project = SearchService.new(user, project_id: search_project.id).project
+        project = described_class.new(user, project_id: search_project.id).project
 
         expect(project).to eq search_project
       end
@@ -39,7 +39,7 @@ describe SearchService do
 
     context 'when the project is not accessible' do
       it 'returns nil' do
-        project = SearchService.new(user, project_id: inaccessible_project.id).project
+        project = described_class.new(user, project_id: inaccessible_project.id).project
 
         expect(project).to be_nil
       end
@@ -47,7 +47,7 @@ describe SearchService do
 
     context 'when there is no project_id' do
       it 'returns nil' do
-        project = SearchService.new(user).project
+        project = described_class.new(user).project
 
         expect(project).to be_nil
       end
@@ -57,7 +57,7 @@ describe SearchService do
   describe '#group' do
     context 'when the group is accessible' do
       it 'returns the group' do
-        group = SearchService.new(user, group_id: accessible_group.id).group
+        group = described_class.new(user, group_id: accessible_group.id).group
 
         expect(group).to eq accessible_group
       end
@@ -65,7 +65,7 @@ describe SearchService do
 
     context 'when the group is not accessible' do
       it 'returns nil' do
-        group = SearchService.new(user, group_id: inaccessible_group.id).group
+        group = described_class.new(user, group_id: inaccessible_group.id).group
 
         expect(group).to be_nil
       end
@@ -73,7 +73,7 @@ describe SearchService do
 
     context 'when there is no group_id' do
       it 'returns nil' do
-        group = SearchService.new(user).group
+        group = described_class.new(user).group
 
         expect(group).to be_nil
       end
@@ -83,7 +83,7 @@ describe SearchService do
   describe '#show_snippets?' do
     context 'when :snippets is \'true\'' do
       it 'returns true' do
-        show_snippets = SearchService.new(user, snippets: 'true').show_snippets?
+        show_snippets = described_class.new(user, snippets: 'true').show_snippets?
 
         expect(show_snippets).to be_truthy
       end
@@ -91,7 +91,7 @@ describe SearchService do
 
     context 'when :snippets is not \'true\'' do
       it 'returns false' do
-        show_snippets = SearchService.new(user, snippets: 'tru').show_snippets?
+        show_snippets = described_class.new(user, snippets: 'tru').show_snippets?
 
         expect(show_snippets).to be_falsey
       end
@@ -99,7 +99,7 @@ describe SearchService do
 
     context 'when :snippets is missing' do
       it 'returns false' do
-        show_snippets = SearchService.new(user).show_snippets?
+        show_snippets = described_class.new(user).show_snippets?
 
         expect(show_snippets).to be_falsey
       end
@@ -110,7 +110,7 @@ describe SearchService do
     context 'with accessible project_id' do
       context 'and allowed scope' do
         it 'returns the specified scope' do
-          scope = SearchService.new(user, project_id: accessible_project.id, scope: 'notes').scope
+          scope = described_class.new(user, project_id: accessible_project.id, scope: 'notes').scope
 
           expect(scope).to eq 'notes'
         end
@@ -118,7 +118,7 @@ describe SearchService do
 
       context 'and disallowed scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user, project_id: accessible_project.id, scope: 'projects').scope
+          scope = described_class.new(user, project_id: accessible_project.id, scope: 'projects').scope
 
           expect(scope).to eq 'blobs'
         end
@@ -126,7 +126,7 @@ describe SearchService do
 
       context 'and no scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user, project_id: accessible_project.id).scope
+          scope = described_class.new(user, project_id: accessible_project.id).scope
 
           expect(scope).to eq 'blobs'
         end
@@ -136,7 +136,7 @@ describe SearchService do
     context 'with \'true\' snippets' do
       context 'and allowed scope' do
         it 'returns the specified scope' do
-          scope = SearchService.new(user, snippets: 'true', scope: 'snippet_titles').scope
+          scope = described_class.new(user, snippets: 'true', scope: 'snippet_titles').scope
 
           expect(scope).to eq 'snippet_titles'
         end
@@ -144,7 +144,7 @@ describe SearchService do
 
       context 'and disallowed scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user, snippets: 'true', scope: 'projects').scope
+          scope = described_class.new(user, snippets: 'true', scope: 'projects').scope
 
           expect(scope).to eq 'snippet_blobs'
         end
@@ -152,7 +152,7 @@ describe SearchService do
 
       context 'and no scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user, snippets: 'true').scope
+          scope = described_class.new(user, snippets: 'true').scope
 
           expect(scope).to eq 'snippet_blobs'
         end
@@ -162,7 +162,7 @@ describe SearchService do
     context 'with no project_id, no snippets' do
       context 'and allowed scope' do
         it 'returns the specified scope' do
-          scope = SearchService.new(user, scope: 'issues').scope
+          scope = described_class.new(user, scope: 'issues').scope
 
           expect(scope).to eq 'issues'
         end
@@ -170,7 +170,7 @@ describe SearchService do
 
       context 'and disallowed scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user, scope: 'blobs').scope
+          scope = described_class.new(user, scope: 'blobs').scope
 
           expect(scope).to eq 'projects'
         end
@@ -178,7 +178,7 @@ describe SearchService do
 
       context 'and no scope' do
         it 'returns the default scope' do
-          scope = SearchService.new(user).scope
+          scope = described_class.new(user).scope
 
           expect(scope).to eq 'projects'
         end
@@ -189,7 +189,7 @@ describe SearchService do
   describe '#search_results' do
     context 'with accessible project_id' do
       it 'returns an instance of Gitlab::ProjectSearchResults' do
-        search_results = SearchService.new(
+        search_results = described_class.new(
           user,
           project_id: accessible_project.id,
           scope: 'notes',
@@ -201,7 +201,7 @@ describe SearchService do
 
     context 'with accessible project_id and \'true\' snippets' do
       it 'returns an instance of Gitlab::ProjectSearchResults' do
-        search_results = SearchService.new(
+        search_results = described_class.new(
           user,
           project_id: accessible_project.id,
           snippets: 'true',
@@ -214,7 +214,7 @@ describe SearchService do
 
     context 'with \'true\' snippets' do
       it 'returns an instance of Gitlab::SnippetSearchResults' do
-        search_results = SearchService.new(
+        search_results = described_class.new(
           user,
           snippets: 'true',
           search: snippet.content).search_results
@@ -225,7 +225,7 @@ describe SearchService do
 
     context 'with no project_id and no snippets' do
       it 'returns an instance of Gitlab::SearchResults' do
-        search_results = SearchService.new(
+        search_results = described_class.new(
           user,
           search: public_project.name).search_results
 
@@ -237,7 +237,7 @@ describe SearchService do
   describe '#search_objects' do
     context 'with accessible project_id' do
       it 'returns objects in the project' do
-        search_objects = SearchService.new(
+        search_objects = described_class.new(
           user,
           project_id: accessible_project.id,
           scope: 'notes',
@@ -249,7 +249,7 @@ describe SearchService do
 
     context 'with accessible project_id and \'true\' snippets' do
       it 'returns objects in the project' do
-        search_objects = SearchService.new(
+        search_objects = described_class.new(
           user,
           project_id: accessible_project.id,
           snippets: 'true',
@@ -262,7 +262,7 @@ describe SearchService do
 
     context 'with \'true\' snippets' do
       it 'returns objects in snippets' do
-        search_objects = SearchService.new(
+        search_objects = described_class.new(
           user,
           snippets: 'true',
           search: snippet.content).search_objects
@@ -273,7 +273,7 @@ describe SearchService do
 
     context 'with accessible group_id' do
       it 'returns objects in the group' do
-        search_objects = SearchService.new(
+        search_objects = described_class.new(
           user,
           group_id: accessible_group.id,
           search: group_project.name).search_objects
@@ -284,7 +284,7 @@ describe SearchService do
 
     context 'with no project_id, group_id or snippets' do
       it 'returns objects in global' do
-        search_objects = SearchService.new(
+        search_objects = described_class.new(
           user,
           search: public_project.name).search_objects
 
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index 8cbffc8ec61..230e40de9e0 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -873,21 +873,21 @@ describe TodoService do
       create(:todo, :mentioned, user: john_doe, target: issue, project: project)
 
       todos = TodosFinder.new(john_doe, {}).execute
-      expect { TodoService.new.mark_todos_as_done(todos, john_doe) }
+      expect { described_class.new.mark_todos_as_done(todos, john_doe) }
        .to change { john_doe.todos.done.count }.from(0).to(1)
     end
 
     it 'marks an array of todos as done' do
       todo = create(:todo, :mentioned, user: john_doe, target: issue, project: project)
 
-      expect { TodoService.new.mark_todos_as_done([todo], john_doe) }
+      expect { described_class.new.mark_todos_as_done([todo], john_doe) }
         .to change { todo.reload.state }.from('pending').to('done')
     end
 
     it 'returns the ids of updated todos' do # Needed on API
       todo = create(:todo, :mentioned, user: john_doe, target: issue, project: project)
 
-      expect(TodoService.new.mark_todos_as_done([todo], john_doe)).to eq([todo.id])
+      expect(described_class.new.mark_todos_as_done([todo], john_doe)).to eq([todo.id])
     end
 
     context 'when some of the todos are done already' do
@@ -895,23 +895,23 @@ describe TodoService do
       let!(:second_todo) { create(:todo, :mentioned, user: john_doe, target: another_issue, project: project) }
 
       it 'returns the ids of those still pending' do
-        TodoService.new.mark_pending_todos_as_done(issue, john_doe)
+        described_class.new.mark_pending_todos_as_done(issue, john_doe)
 
-        expect(TodoService.new.mark_todos_as_done(Todo.all, john_doe)).to eq([second_todo.id])
+        expect(described_class.new.mark_todos_as_done(Todo.all, john_doe)).to eq([second_todo.id])
       end
 
       it 'returns an empty array if all are done' do
-        TodoService.new.mark_pending_todos_as_done(issue, john_doe)
-        TodoService.new.mark_pending_todos_as_done(another_issue, john_doe)
+        described_class.new.mark_pending_todos_as_done(issue, john_doe)
+        described_class.new.mark_pending_todos_as_done(another_issue, john_doe)
 
-        expect(TodoService.new.mark_todos_as_done(Todo.all, john_doe)).to eq([])
+        expect(described_class.new.mark_todos_as_done(Todo.all, john_doe)).to eq([])
       end
     end
 
     it 'caches the number of todos of a user', :use_clean_rails_memory_store_caching do
       create(:todo, :mentioned, user: john_doe, target: issue, project: project)
       todo = create(:todo, :mentioned, user: john_doe, target: issue, project: project)
-      TodoService.new.mark_todos_as_done([todo], john_doe)
+      described_class.new.mark_todos_as_done([todo], john_doe)
 
       expect_any_instance_of(TodosFinder).not_to receive(:execute)
 
diff --git a/spec/services/update_release_service_spec.rb b/spec/services/update_release_service_spec.rb
index fecd50e6ca0..dc2d0e2d47a 100644
--- a/spec/services/update_release_service_spec.rb
+++ b/spec/services/update_release_service_spec.rb
@@ -6,7 +6,7 @@ describe UpdateReleaseService do
   let(:tag_name) { project.repository.tag_names.first }
   let(:description) { 'Awesome release!' }
   let(:new_description) { 'The best release!' }
-  let(:service) { UpdateReleaseService.new(project, user) }
+  let(:service) { described_class.new(project, user) }
 
   context 'with an existing release' do
     let(:create_service) { CreateReleaseService.new(project, user) }
diff --git a/spec/services/web_hook_service_spec.rb b/spec/services/web_hook_service_spec.rb
index 8d91050b924..a5de86a0835 100644
--- a/spec/services/web_hook_service_spec.rb
+++ b/spec/services/web_hook_service_spec.rb
@@ -12,7 +12,7 @@ describe WebHookService do
   let(:data) do
     { before: 'oldrev', after: 'newrev', ref: 'ref' }
   end
-  let(:service_instance) { WebHookService.new(project_hook, data, 'push_hooks') }
+  let(:service_instance) { described_class.new(project_hook, data, 'push_hooks') }
 
   describe '#execute' do
     before(:each) do
@@ -114,7 +114,7 @@ describe WebHookService do
 
       context 'should not log ServiceHooks' do
         let(:service_hook) { create(:service_hook) }
-        let(:service_instance) { WebHookService.new(service_hook, data, 'service_hook') }
+        let(:service_instance) { described_class.new(service_hook, data, 'service_hook') }
 
         before do
           WebMock.stub_request(:post, service_hook.url).to_return(status: 200, body: 'Success')
@@ -131,7 +131,7 @@ describe WebHookService do
     it 'enqueue WebHookWorker' do
       expect(Sidekiq::Client).to receive(:enqueue).with(WebHookWorker, project_hook.id, data, 'push_hooks')
 
-      WebHookService.new(project_hook, data, 'push_hooks').async_execute
+      described_class.new(project_hook, data, 'push_hooks').async_execute
     end
   end
 end