15 files changed, 306 insertions, 97 deletions

diff --git a/spec/controllers/application_controller_spec.rb b/spec/controllers/application_controller_spec.rb
index e72ab16f62a..0c299dcda34 100644
--- a/spec/controllers/application_controller_spec.rb
+++ b/spec/controllers/application_controller_spec.rb
@@ -895,4 +895,50 @@ describe ApplicationController do
       end
     end
   end
+
+  context '#set_current_context' do
+    controller(described_class) do
+      def index
+        Labkit::Context.with_context do |context|
+          render json: context.to_h
+        end
+      end
+    end
+
+    let_it_be(:user) { create(:user) }
+
+    before do
+      sign_in(user)
+    end
+
+    it 'does not break anything when no group or project method is defined' do
+      get :index
+
+      expect(response).to have_gitlab_http_status(:success)
+    end
+
+    it 'sets the username in the context when signed in' do
+      get :index
+
+      expect(json_response['meta.user']).to eq(user.username)
+    end
+
+    it 'sets the group if it was available' do
+      group = build_stubbed(:group)
+      controller.instance_variable_set(:@group, group)
+
+      get :index, format: :json
+
+      expect(json_response['meta.root_namespace']).to eq(group.path)
+    end
+
+    it 'sets the project if one was available' do
+      project = build_stubbed(:project)
+      controller.instance_variable_set(:@project, project)
+
+      get :index, format: :json
+
+      expect(json_response['meta.project']).to eq(project.full_path)
+    end
+  end
 end
diff --git a/spec/frontend/notes/components/discussion_notes_spec.js b/spec/frontend/notes/components/discussion_notes_spec.js
index 51c7f45d5b0..d259e79de84 100644
--- a/spec/frontend/notes/components/discussion_notes_spec.js
+++ b/spec/frontend/notes/components/discussion_notes_spec.js
@@ -6,7 +6,6 @@ import NoteableNote from '~/notes/components/noteable_note.vue';
 import PlaceholderNote from '~/vue_shared/components/notes/placeholder_note.vue';
 import PlaceholderSystemNote from '~/vue_shared/components/notes/placeholder_system_note.vue';
 import SystemNote from '~/vue_shared/components/notes/system_note.vue';
-import TimelineEntryItem from '~/vue_shared/components/notes/timeline_entry_item.vue';
 import createStore from '~/notes/stores';
 import { noteableDataMock, discussionMock, notesDataMock } from '../../notes/mock_data';
 
@@ -48,13 +47,13 @@ describe('DiscussionNotes', () => {
     it('renders an element for each note in the discussion', () => {
       createComponent();
       const notesCount = discussionMock.notes.length;
-      const els = wrapper.findAll(TimelineEntryItem);
+      const els = wrapper.findAll(NoteableNote);
       expect(els.length).toBe(notesCount);
     });
 
     it('renders one element if replies groupping is enabled', () => {
       createComponent({ shouldGroupReplies: true });
-      const els = wrapper.findAll(TimelineEntryItem);
+      const els = wrapper.findAll(NoteableNote);
       expect(els.length).toBe(1);
     });
 
@@ -85,7 +84,7 @@ describe('DiscussionNotes', () => {
       ];
       discussion.notes = notesData;
       createComponent({ discussion, shouldRenderDiffs: true });
-      const notes = wrapper.findAll('.notes > li');
+      const notes = wrapper.findAll('.notes > *');
 
       expect(notes.at(0).is(PlaceholderSystemNote)).toBe(true);
       expect(notes.at(1).is(PlaceholderNote)).toBe(true);
@@ -111,7 +110,14 @@ describe('DiscussionNotes', () => {
 
   describe('events', () => {
     describe('with groupped notes and replies expanded', () => {
-      const findNoteAtIndex = index => wrapper.find(`.note:nth-of-type(${index + 1}`);
+      const findNoteAtIndex = index => {
+        const noteComponents = [NoteableNote, SystemNote, PlaceholderNote, PlaceholderSystemNote];
+        const allowedNames = noteComponents.map(c => c.name);
+        return wrapper
+          .findAll('.notes *')
+          .filter(w => allowedNames.includes(w.name()))
+          .at(index);
+      };
 
       beforeEach(() => {
         createComponent({ shouldGroupReplies: true, isExpanded: true });
@@ -146,7 +152,7 @@ describe('DiscussionNotes', () => {
       let note;
       beforeEach(() => {
         createComponent();
-        note = wrapper.find('.note');
+        note = wrapper.find('.notes > *');
       });
 
       it('emits deleteNote when first note emits handleDeleteNote', () => {
diff --git a/spec/lib/gitlab/application_context_spec.rb b/spec/lib/gitlab/application_context_spec.rb
new file mode 100644
index 00000000000..1c8fcb8d737
--- /dev/null
+++ b/spec/lib/gitlab/application_context_spec.rb
@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::ApplicationContext do
+  describe '.with_context' do
+    it 'yields the block' do
+      expect { |b| described_class.with_context({}, &b) }.to yield_control
+    end
+
+    it 'passes the expected context on to labkit' do
+      fake_proc = duck_type(:call)
+      expected_context = hash_including(user: fake_proc, project: fake_proc, root_namespace: fake_proc)
+
+      expect(Labkit::Context).to receive(:with_context).with(expected_context)
+
+      described_class.with_context(
+        user: build(:user),
+        project: build(:project),
+        namespace: build(:namespace)) {}
+    end
+
+    it 'raises an error when passing invalid options' do
+      expect { described_class.with_context(no: 'option') {} }.to raise_error(ArgumentError)
+    end
+  end
+
+  describe '.push' do
+    it 'passes the expected context on to labkit' do
+      fake_proc = duck_type(:call)
+      expected_context = hash_including(user: fake_proc, project: fake_proc, root_namespace: fake_proc)
+
+      expect(Labkit::Context).to receive(:push).with(expected_context)
+
+      described_class.push(user: build(:user))
+    end
+
+    it 'raises an error when passing invalid options' do
+      expect { described_class.push(no: 'option')}.to raise_error(ArgumentError)
+    end
+  end
+
+  describe '#to_lazy_hash' do
+    let(:user) { build(:user) }
+    let(:project) { build(:project) }
+    let(:namespace) { build(:group) }
+    let(:subgroup) { build(:group, parent: namespace) }
+
+    def result(context)
+      context.to_lazy_hash.transform_values { |v| v.call }
+    end
+
+    it 'does not call the attributes until needed' do
+      fake_proc = double('Proc')
+
+      expect(fake_proc).not_to receive(:call)
+
+      described_class.new(user: fake_proc, project: fake_proc, namespace: fake_proc).to_lazy_hash
+    end
+
+    it 'correctly loads the expected values when they are wrapped in a block' do
+      context = described_class.new(user: -> { user }, project: -> { project }, namespace: -> { subgroup })
+
+      expect(result(context))
+        .to include(user: user.username, project: project.full_path, root_namespace: namespace.full_path)
+    end
+
+    it 'correctly loads the expected values when passed directly' do
+      context = described_class.new(user: user, project: project, namespace: subgroup)
+
+      expect(result(context))
+        .to include(user: user.username, project: project.full_path, root_namespace: namespace.full_path)
+    end
+
+    it 'falls back to a projects namespace when a project is passed but no namespace' do
+      context = described_class.new(project: project)
+
+      expect(result(context))
+        .to include(project: project.full_path, root_namespace: project.full_path_components.first)
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/yaml_processor_spec.rb b/spec/lib/gitlab/ci/yaml_processor_spec.rb
index f61b28b06c8..2e470d59345 100644
--- a/spec/lib/gitlab/ci/yaml_processor_spec.rb
+++ b/spec/lib/gitlab/ci/yaml_processor_spec.rb
@@ -1270,6 +1270,19 @@ module Gitlab
             expect(builds.first[:options][:artifacts][:when]).to eq(when_state)
           end
         end
+
+        it "gracefully handles errors in artifacts type" do
+          config = <<~YAML
+          test:
+            script:
+              - echo "Hello world"
+            artifacts:
+              - paths:
+              - test/
+          YAML
+
+          expect { described_class.new(config) }.to raise_error(described_class::ValidationError)
+        end
       end
 
       describe '#environment' do
diff --git a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
index ec1b935ad63..dae5b028c15 100644
--- a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
+++ b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
@@ -654,13 +654,10 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
     let(:user) { create(:user) }
     let!(:project) { create(:project, :builds_disabled, :issues_disabled, name: 'project', path: 'project') }
     let(:project_tree_restorer) { described_class.new(user: user, shared: shared, project: project) }
-    let(:correlation_id) { 'my-correlation-id' }
 
     before do
       setup_import_export_config('with_invalid_records')
 
-      # Import is running from the rake task, `correlation_id` is not assigned
-      expect(Labkit::Correlation::CorrelationId).to receive(:new_id).and_return(correlation_id)
       subject
     end
 
@@ -682,7 +679,7 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
         expect(import_failure.relation_index).to be_present
         expect(import_failure.exception_class).to eq('ActiveRecord::RecordInvalid')
         expect(import_failure.exception_message).to be_present
-        expect(import_failure.correlation_id_value).to eq('my-correlation-id')
+        expect(import_failure.correlation_id_value).not_to be_empty
         expect(import_failure.created_at).to be_present
       end
     end
diff --git a/spec/lib/gitlab/profiler_spec.rb b/spec/lib/gitlab/profiler_spec.rb
index c27e3ca7ace..8f6fb6eda65 100644
--- a/spec/lib/gitlab/profiler_spec.rb
+++ b/spec/lib/gitlab/profiler_spec.rb
@@ -84,7 +84,7 @@ describe Gitlab::Profiler do
           expect(severity).to eq(Logger::DEBUG)
           expect(message).to include('public').and include(described_class::FILTERED_STRING)
           expect(message).not_to include(private_token)
-        end.twice
+        end.at_least(1) # This spec could be wrapped in more blocks in the future
 
         custom_logger.debug("public #{private_token}")
       end
diff --git a/spec/lib/gitlab/sidekiq_middleware/correlation_injector_spec.rb b/spec/lib/gitlab/sidekiq_middleware/correlation_injector_spec.rb
deleted file mode 100644
index d5ed939485a..00000000000
--- a/spec/lib/gitlab/sidekiq_middleware/correlation_injector_spec.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe Gitlab::SidekiqMiddleware::CorrelationInjector do
-  class TestWorker
-    include ApplicationWorker
-  end
-
-  before do |example|
-    Sidekiq.client_middleware do |chain|
-      chain.add described_class
-    end
-  end
-
-  after do |example|
-    Sidekiq.client_middleware do |chain|
-      chain.remove described_class
-    end
-
-    Sidekiq::Queues.clear_all
-  end
-
-  around do |example|
-    Sidekiq::Testing.fake! do
-      example.run
-    end
-  end
-
-  it 'injects into payload the correlation id' do
-    expect_next_instance_of(described_class) do |instance|
-      expect(instance).to receive(:call).and_call_original
-    end
-
-    Labkit::Correlation::CorrelationId.use_id('new-correlation-id') do
-      TestWorker.perform_async(1234)
-    end
-
-    expected_job_params = {
-      "class" => "TestWorker",
-      "args" => [1234],
-      "correlation_id" => "new-correlation-id"
-    }
-
-    expect(Sidekiq::Queues.jobs_by_worker).to a_hash_including(
-      "TestWorker" => a_collection_containing_exactly(
-        a_hash_including(expected_job_params)))
-  end
-end
diff --git a/spec/lib/gitlab/sidekiq_middleware/correlation_logger_spec.rb b/spec/lib/gitlab/sidekiq_middleware/correlation_logger_spec.rb
deleted file mode 100644
index 27eea963402..00000000000
--- a/spec/lib/gitlab/sidekiq_middleware/correlation_logger_spec.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe Gitlab::SidekiqMiddleware::CorrelationLogger do
-  class TestWorker
-    include ApplicationWorker
-  end
-
-  before do |example|
-    Sidekiq::Testing.server_middleware do |chain|
-      chain.add described_class
-    end
-  end
-
-  after do |example|
-    Sidekiq::Testing.server_middleware do |chain|
-      chain.remove described_class
-    end
-  end
-
-  it 'injects into payload the correlation id', :sidekiq_might_not_need_inline do
-    expect_any_instance_of(described_class).to receive(:call).and_call_original
-
-    expect_any_instance_of(TestWorker).to receive(:perform).with(1234) do
-      expect(Labkit::Correlation::CorrelationId.current_id).to eq('new-correlation-id')
-    end
-
-    Sidekiq::Client.push(
-      'queue' => 'test',
-      'class' => TestWorker,
-      'args' => [1234],
-      'correlation_id' => 'new-correlation-id')
-  end
-end
diff --git a/spec/lib/gitlab/sidekiq_middleware_spec.rb b/spec/lib/gitlab/sidekiq_middleware_spec.rb
index aef472e0648..ef4a898bdb6 100644
--- a/spec/lib/gitlab/sidekiq_middleware_spec.rb
+++ b/spec/lib/gitlab/sidekiq_middleware_spec.rb
@@ -38,7 +38,7 @@ describe Gitlab::SidekiqMiddleware do
       [
        Gitlab::SidekiqMiddleware::Monitor,
        Gitlab::SidekiqMiddleware::BatchLoader,
-       Gitlab::SidekiqMiddleware::CorrelationLogger,
+       Labkit::Middleware::Sidekiq::Server,
        Gitlab::SidekiqMiddleware::InstrumentationLogger,
        Gitlab::SidekiqStatus::ServerMiddleware,
        Gitlab::SidekiqMiddleware::Metrics,
@@ -120,7 +120,7 @@ describe Gitlab::SidekiqMiddleware do
       # This test ensures that this does not happen
       it "invokes the chain" do
         expect_any_instance_of(Gitlab::SidekiqStatus::ClientMiddleware).to receive(:call).with(*middleware_expected_args).once.and_call_original
-        expect_any_instance_of(Gitlab::SidekiqMiddleware::CorrelationInjector).to receive(:call).with(*middleware_expected_args).once.and_call_original
+        expect_any_instance_of(Labkit::Middleware::Sidekiq::Client).to receive(:call).with(*middleware_expected_args).once.and_call_original
 
         expect { |b| chain.invoke(worker_class_arg, job, queue, redis_pool, &b) }.to yield_control.once
       end
diff --git a/spec/lib/gitlab/utils/lazy_attributes_spec.rb b/spec/lib/gitlab/utils/lazy_attributes_spec.rb
new file mode 100644
index 00000000000..c0005c194c4
--- /dev/null
+++ b/spec/lib/gitlab/utils/lazy_attributes_spec.rb
@@ -0,0 +1,70 @@
+# frozen_string_literal: true
+require 'fast_spec_helper'
+require 'active_support/concern'
+
+describe Gitlab::Utils::LazyAttributes do
+  subject(:klass) do
+    Class.new do
+      include Gitlab::Utils::LazyAttributes
+
+      lazy_attr_reader :number, type: Numeric
+      lazy_attr_reader :reader_1, :reader_2
+      lazy_attr_accessor :incorrect_type, :string_attribute, :accessor_2, type: String
+
+      def initialize
+        @number = -> { 1 }
+        @reader_1, @reader_2 = 'reader_1', -> { 'reader_2' }
+        @incorrect_type, @accessor_2 = -> { :incorrect_type }, -> { 'accessor_2' }
+      end
+    end
+  end
+
+  context 'class methods' do
+    it { is_expected.to respond_to(:lazy_attr_reader, :lazy_attr_accessor) }
+    it { is_expected.not_to respond_to(:define_lazy_reader, :define_lazy_writer) }
+  end
+
+  context 'instance methods' do
+    subject(:instance) { klass.new }
+
+    it do
+      is_expected.to respond_to(:number, :reader_1, :reader_2, :incorrect_type,
+                                :incorrect_type=, :accessor_2, :accessor_2=,
+                                :string_attribute, :string_attribute=)
+    end
+
+    context 'reading attributes' do
+      it 'returns the correct values for procs', :aggregate_failures do
+        expect(instance.number).to eq(1)
+        expect(instance.reader_2).to eq('reader_2')
+        expect(instance.accessor_2).to eq('accessor_2')
+      end
+
+      it 'does not return the value if the type did not match what was specified' do
+        expect(instance.incorrect_type).to be_nil
+      end
+
+      it 'only calls the block once even if it returned `nil`', :aggregate_failures do
+        expect(instance.instance_variable_get('@number')).to receive(:call).once.and_call_original
+        expect(instance.instance_variable_get('@accessor_2')).to receive(:call).once.and_call_original
+        expect(instance.instance_variable_get('@incorrect_type')).to receive(:call).once.and_call_original
+
+        2.times do
+          instance.number
+          instance.incorrect_type
+          instance.accessor_2
+        end
+      end
+    end
+
+    context 'writing attributes' do
+      it 'sets the correct values', :aggregate_failures do
+        instance.string_attribute = -> { 'updated 1' }
+        instance.accessor_2 = nil
+
+        expect(instance.string_attribute).to eq('updated 1')
+        expect(instance.accessor_2).to be_nil
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/internal/base_spec.rb b/spec/requests/api/internal/base_spec.rb
index 4fe0d4a5983..12e6e7c7a09 100644
--- a/spec/requests/api/internal/base_spec.rb
+++ b/spec/requests/api/internal/base_spec.rb
@@ -389,6 +389,12 @@ describe API::Internal::Base do
           end
         end
       end
+
+      it_behaves_like 'storing arguments in the application context' do
+        let(:expected_params) { { user: key.user.username, project: project.full_path } }
+
+        subject { push(key, project) }
+      end
     end
 
     context "access denied" do
@@ -885,6 +891,12 @@ describe API::Internal::Base do
       post api('/internal/post_receive'), params: valid_params
     end
 
+    it_behaves_like 'storing arguments in the application context' do
+      let(:expected_params) { { user: user.username, project: project.full_path } }
+
+      subject { post api('/internal/post_receive'), params: valid_params }
+    end
+
     context 'when there are merge_request push options' do
       before do
         valid_params[:push_options] = ['merge_request.create']
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index 9af4f484f99..975e59346b8 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -1626,6 +1626,14 @@ describe API::Projects do
         end
       end
     end
+
+    it_behaves_like 'storing arguments in the application context' do
+      let_it_be(:user) { create(:user) }
+      let_it_be(:project) { create(:project, :public) }
+      let(:expected_params) { { user: user.username, project: project.full_path } }
+
+      subject { get api("/projects/#{project.id}", user) }
+    end
   end
 
   describe 'GET /projects/:id/users' do
diff --git a/spec/services/ci/find_exposed_artifacts_service_spec.rb b/spec/services/ci/find_exposed_artifacts_service_spec.rb
index f6309822fe0..b0f190b0e7a 100644
--- a/spec/services/ci/find_exposed_artifacts_service_spec.rb
+++ b/spec/services/ci/find_exposed_artifacts_service_spec.rb
@@ -50,10 +50,39 @@ describe Ci::FindExposedArtifactsService do
       end
     end
 
+    shared_examples 'does not find any matches' do
+      it 'returns empty array' do
+        expect(subject).to eq []
+      end
+    end
+
     let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
 
     subject { described_class.new(project, user).for_pipeline(pipeline) }
 
+    context 'with jobs having no exposed artifacts' do
+      let!(:job) do
+        create_job_with_artifacts(artifacts: {
+          paths: ['other_artifacts_0.1.2/doc_sample.txt', 'something-else.html']
+        })
+      end
+
+      it_behaves_like 'does not find any matches'
+    end
+
+    context 'with jobs having no artifacts (metadata)' do
+      let!(:job) do
+        create(:ci_build, pipeline: pipeline, options: {
+          artifacts: {
+            expose_as: 'Exposed artifact',
+            paths: ['other_artifacts_0.1.2/doc_sample.txt', 'something-else.html']
+          }
+        })
+      end
+
+      it_behaves_like 'does not find any matches'
+    end
+
     context 'with jobs having at most 1 matching exposed artifact' do
       let!(:job) do
         create_job_with_artifacts(artifacts: {
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 1f0119108a8..6393e482904 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -245,6 +245,12 @@ RSpec.configure do |config|
     Rails.cache = caching_store
   end
 
+  config.around do |example|
+    # Wrap each example in it's own context to make sure the contexts don't
+    # leak
+    Labkit::Context.with_context { example.run }
+  end
+
   config.around(:each, :clean_gitlab_redis_cache) do |example|
     redis_cache_cleanup!
 
diff --git a/spec/support/shared_examples/logging_application_context_shared_examples.rb b/spec/support/shared_examples/logging_application_context_shared_examples.rb
new file mode 100644
index 00000000000..038ede884c8
--- /dev/null
+++ b/spec/support/shared_examples/logging_application_context_shared_examples.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'storing arguments in the application context' do
+  around do |example|
+    Labkit::Context.with_context { example.run }
+  end
+
+  it 'places the expected params in the application context' do
+    # Stub the clearing of the context so we can validate it later
+    # The `around` block above makes sure we do clean it up later
+    allow(Labkit::Context).to receive(:pop)
+
+    subject
+
+    Labkit::Context.with_context do |context|
+      expect(context.to_h)
+        .to include(log_hash(expected_params))
+    end
+  end
+
+  def log_hash(hash)
+    hash.transform_keys! { |key| "meta.#{key}" }
+  end
+end