Re-enable MethodCallWithoutArgsParentheses Cop

Re-enables and autocorrects all instances of the
Style/MethodCallWithoutArgsParentheses rule

26 files changed, 42 insertions, 47 deletions

diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 91810d84c50..c42d11a860e 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -437,11 +437,6 @@ Style/LineEndConcatenation:
     - 'spec/lib/gitlab/gfm/reference_rewriter_spec.rb'
     - 'spec/lib/gitlab/incoming_email_spec.rb'
 
-# Offense count: 39
-# Cop supports --auto-correct.
-Style/MethodCallWithoutArgsParentheses:
-  Enabled: false
-
 # Offense count: 18
 Style/MethodMissing:
   Enabled: false
diff --git a/app/views/ide/_show.html.haml b/app/views/ide/_show.html.haml
index b24d6e27536..057225d021f 100644
--- a/app/views/ide/_show.html.haml
+++ b/app/views/ide/_show.html.haml
@@ -4,7 +4,7 @@
 - content_for :page_specific_javascripts do
   = stylesheet_link_tag 'page_bundles/ide'
 
-#ide.ide-loading{ data: ide_data() }
+#ide.ide-loading{ data: ide_data }
   .text-center
     = icon('spinner spin 2x')
     %h2.clgray= _('Loading the GitLab IDE...')
diff --git a/lib/gitlab/ci/ansi2html.rb b/lib/gitlab/ci/ansi2html.rb
index 974b5ad6877..4dcb3869d4f 100644
--- a/lib/gitlab/ci/ansi2html.rb
+++ b/lib/gitlab/ci/ansi2html.rb
@@ -31,7 +31,7 @@ module Gitlab
       end
 
       class Converter
-        def on_0(_) reset()                            end
+        def on_0(_) reset                              end
 
         def on_1(_) enable(STYLE_SWITCHES[:bold])      end
 
@@ -177,7 +177,7 @@ module Gitlab
             end
           end
 
-          close_open_tags()
+          close_open_tags
 
           OpenStruct.new(
             html: @out.force_encoding(Encoding.default_external),
@@ -194,7 +194,7 @@ module Gitlab
           action = scanner[1]
           timestamp = scanner[2]
           section = scanner[3]
-          line = scanner.matched()[0...-5] # strips \r\033[0K
+          line = scanner.matched[0...-5] # strips \r\033[0K
 
           @out << %{<div class="hidden" data-action="#{action}" data-timestamp="#{timestamp}" data-section="#{section}">#{line}</div>}
         end
@@ -209,10 +209,10 @@ module Gitlab
           # sequence gets stripped (including stuff like "delete last line")
           return unless indicator == '[' && terminator == 'm'
 
-          close_open_tags()
+          close_open_tags
 
-          if commands.empty?()
-            reset()
+          if commands.empty?
+            reset
             return
           end
 
@@ -222,7 +222,7 @@ module Gitlab
         end
 
         def evaluate_command_stack(stack)
-          return unless command = stack.shift()
+          return unless command = stack.shift
 
           if self.respond_to?("on_#{command}", true)
             self.__send__("on_#{command}", stack) # rubocop:disable GitlabSecurity/PublicSend
@@ -333,8 +333,8 @@ module Gitlab
           return unless command_stack.length >= 2
           return unless command_stack[0] == "5"
 
-          command_stack.shift() # ignore the "5" command
-          color_index = command_stack.shift().to_i
+          command_stack.shift # ignore the "5" command
+          color_index = command_stack.shift.to_i
 
           return unless color_index >= 0
           return unless color_index <= 255
diff --git a/lib/gitlab/ci/trace/stream.rb b/lib/gitlab/ci/trace/stream.rb
index 0f23b95ba15..e61fb50a303 100644
--- a/lib/gitlab/ci/trace/stream.rb
+++ b/lib/gitlab/ci/trace/stream.rb
@@ -46,7 +46,7 @@ module Gitlab
           stream.seek(offset, IO::SEEK_SET)
           stream.write(data)
           stream.truncate(offset + data.bytesize)
-          stream.flush()
+          stream.flush
         end
 
         def set(data)
diff --git a/qa/spec/page/logging_spec.rb b/qa/spec/page/logging_spec.rb
index 2666dd3b03b..f289ee3c2bb 100644
--- a/qa/spec/page/logging_spec.rb
+++ b/qa/spec/page/logging_spec.rb
@@ -6,7 +6,7 @@ require 'logger'
 describe QA::Support::Page::Logging do
   include Support::StubENV
 
-  let(:page) { double().as_null_object }
+  let(:page) { double.as_null_object }
 
   before do
     logger = ::Logger.new $stdout
diff --git a/qa/spec/support/stub_env.rb b/qa/spec/support/stub_env.rb
index 044804cd599..4788e0ab46c 100644
--- a/qa/spec/support/stub_env.rb
+++ b/qa/spec/support/stub_env.rb
@@ -19,7 +19,7 @@ module Support
       allow(ENV).to receive(:[]).with(key).and_return(value)
       allow(ENV).to receive(:key?).with(key).and_return(true)
       allow(ENV).to receive(:fetch).with(key).and_return(value)
-      allow(ENV).to receive(:fetch).with(key, anything()) do |_, default_val|
+      allow(ENV).to receive(:fetch).with(key, anything) do |_, default_val|
         value || default_val
       end
     end
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index 8ea5b4ea09c..c2afff6b732 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -68,7 +68,7 @@ describe Projects::IssuesController do
     end
 
     context 'with page param' do
-      let(:last_page) { project.issues.page().total_pages }
+      let(:last_page) { project.issues.page.total_pages }
       let!(:issue_list) { create_list(:issue, 2, project: project) }
 
       before do
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 01a27f0429b..ca5ff9b1e3b 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -158,7 +158,7 @@ describe Projects::MergeRequestsController do
     end
 
     context 'when page param' do
-      let(:last_page) { project.merge_requests.page().total_pages }
+      let(:last_page) { project.merge_requests.page.total_pages }
       let!(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
 
       it 'redirects to last_page if page number is larger than number of pages' do
diff --git a/spec/controllers/projects/snippets_controller_spec.rb b/spec/controllers/projects/snippets_controller_spec.rb
index 75c9839dd9b..8d9cb2c8ac0 100644
--- a/spec/controllers/projects/snippets_controller_spec.rb
+++ b/spec/controllers/projects/snippets_controller_spec.rb
@@ -12,7 +12,7 @@ describe Projects::SnippetsController do
 
   describe 'GET #index' do
     context 'when page param' do
-      let(:last_page) { project.snippets.page().total_pages }
+      let(:last_page) { project.snippets.page.total_pages }
       let!(:project_snippet) { create(:project_snippet, :public, project: project, author: user) }
 
       it 'redirects to last_page if page number is larger than number of pages' do
diff --git a/spec/features/dashboard/datetime_on_tooltips_spec.rb b/spec/features/dashboard/datetime_on_tooltips_spec.rb
index 0db8093411b..f44bd55ecf6 100644
--- a/spec/features/dashboard/datetime_on_tooltips_spec.rb
+++ b/spec/features/dashboard/datetime_on_tooltips_spec.rb
@@ -15,7 +15,7 @@ describe 'Tooltips on .timeago dates', :js do
 
       sign_in user
       visit user_activity_path(user)
-      wait_for_requests()
+      wait_for_requests
 
       page.find('.js-timeago').hover
     end
@@ -32,7 +32,7 @@ describe 'Tooltips on .timeago dates', :js do
 
       sign_in user
       visit user_snippets_path(user)
-      wait_for_requests()
+      wait_for_requests
 
       page.find('.js-timeago.snippet-created-ago').hover
     end
diff --git a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
index 00c88c61538..e0b1e286dee 100644
--- a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
@@ -37,7 +37,7 @@ describe 'Dropdown assignee', :js do
     end
 
     it 'closes when the search bar is unfocused' do
-      find('body').click()
+      find('body').click
 
       expect(page).to have_css(js_dropdown_assignee, visible: false)
     end
diff --git a/spec/features/issues/filtered_search/dropdown_author_spec.rb b/spec/features/issues/filtered_search/dropdown_author_spec.rb
index 50d819a6161..bedc61b9eed 100644
--- a/spec/features/issues/filtered_search/dropdown_author_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_author_spec.rb
@@ -45,7 +45,7 @@ describe 'Dropdown author', :js do
     end
 
     it 'closes when the search bar is unfocused' do
-      find('body').click()
+      find('body').click
 
       expect(page).to have_css(js_dropdown_author, visible: false)
     end
diff --git a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
index 2ba0fc08c2c..f36d4e8f23f 100644
--- a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
@@ -64,7 +64,7 @@ describe 'Dropdown emoji', :js do
       end
 
       it 'closes when the search bar is unfocused' do
-        find('body').click()
+        find('body').click
 
         expect(page).to have_css(js_dropdown_emoji, visible: false)
       end
diff --git a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
index e651e83ada3..b330eafe1d1 100644
--- a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
@@ -44,7 +44,7 @@ describe 'Dropdown milestone', :js do
     end
 
     it 'closes when the search bar is unfocused' do
-      find('body').click()
+      find('body').click
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
     end
diff --git a/spec/features/projects/deploy_keys_spec.rb b/spec/features/projects/deploy_keys_spec.rb
index e12532e97fa..1fa9babaff5 100644
--- a/spec/features/projects/deploy_keys_spec.rb
+++ b/spec/features/projects/deploy_keys_spec.rb
@@ -20,7 +20,7 @@ describe 'Project deploy keys', :js do
       page.within(find('.deploy-keys')) do
         expect(page).to have_selector('.deploy-key', count: 1)
 
-        accept_confirm { find('.ic-remove').click() }
+        accept_confirm { find('.ic-remove').click }
 
         wait_for_requests
 
diff --git a/spec/features/projects/files/undo_template_spec.rb b/spec/features/projects/files/undo_template_spec.rb
index 5de0bc009fb..fa785ed10ef 100644
--- a/spec/features/projects/files/undo_template_spec.rb
+++ b/spec/features/projects/files/undo_template_spec.rb
@@ -50,7 +50,7 @@ end
 def check_content_reverted(template_content)
   find('.template-selectors-undo-menu .btn-info').click
   expect(page).not_to have_content(template_content)
-  expect(find('.template-type-selector .dropdown-toggle-text')).to have_content()
+  expect(find('.template-type-selector .dropdown-toggle-text')).to have_content
 end
 
 def select_file_template(template_selector_selector, template_name)
diff --git a/spec/features/projects/jobs_spec.rb b/spec/features/projects/jobs_spec.rb
index 8230396a4cc..24830b2bd3e 100644
--- a/spec/features/projects/jobs_spec.rb
+++ b/spec/features/projects/jobs_spec.rb
@@ -103,7 +103,7 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
       end
 
       it 'shows commit`s data', :js do
-        requests = inspect_requests() do
+        requests = inspect_requests do
           visit project_job_path(project, job)
         end
 
@@ -214,7 +214,7 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
       end
 
       it 'downloads the zip file when user clicks the download button' do
-        requests = inspect_requests() do
+        requests = inspect_requests do
           click_link 'Download'
         end
 
@@ -824,7 +824,7 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
       before do
         job.run!
         visit project_job_path(project, job)
-        find('.js-cancel-job').click()
+        find('.js-cancel-job').click
       end
 
       it 'loads the page and shows all needed controls' do
@@ -884,7 +884,7 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
       end
 
       it do
-        requests = inspect_requests() do
+        requests = inspect_requests do
           visit download_project_job_artifacts_path(project, job2)
         end
 
diff --git a/spec/features/projects/settings/repository_settings_spec.rb b/spec/features/projects/settings/repository_settings_spec.rb
index 1982136b89d..1259ad45791 100644
--- a/spec/features/projects/settings/repository_settings_spec.rb
+++ b/spec/features/projects/settings/repository_settings_spec.rb
@@ -54,7 +54,7 @@ describe 'Projects > Settings > Repository settings' do
         project.deploy_keys << private_deploy_key
         visit project_settings_repository_path(project)
 
-        find('.deploy-key', text: private_deploy_key.title).find('.ic-pencil').click()
+        find('.deploy-key', text: private_deploy_key.title).find('.ic-pencil').click
 
         fill_in 'deploy_key_title', with: 'updated_deploy_key'
         check 'deploy_key_deploy_keys_projects_attributes_0_can_push'
@@ -71,14 +71,14 @@ describe 'Projects > Settings > Repository settings' do
 
         visit project_settings_repository_path(project)
 
-        find('.js-deployKeys-tab-available_project_keys').click()
+        find('.js-deployKeys-tab-available_project_keys').click
 
-        find('.deploy-key', text: private_deploy_key.title).find('.ic-pencil').click()
+        find('.deploy-key', text: private_deploy_key.title).find('.ic-pencil').click
 
         fill_in 'deploy_key_title', with: 'updated_deploy_key'
         click_button 'Save changes'
 
-        find('.js-deployKeys-tab-available_project_keys').click()
+        find('.js-deployKeys-tab-available_project_keys').click
 
         expect(page).to have_content('updated_deploy_key')
       end
@@ -87,7 +87,7 @@ describe 'Projects > Settings > Repository settings' do
         project.deploy_keys << private_deploy_key
         visit project_settings_repository_path(project)
 
-        accept_confirm { find('.deploy-key', text: private_deploy_key.title).find('.ic-remove').click() }
+        accept_confirm { find('.deploy-key', text: private_deploy_key.title).find('.ic-remove').click }
 
         expect(page).not_to have_content(private_deploy_key.title)
       end
diff --git a/spec/features/projects/snippets/user_comments_on_snippet_spec.rb b/spec/features/projects/snippets/user_comments_on_snippet_spec.rb
index d82e350e0f7..9c1ef78b0ca 100644
--- a/spec/features/projects/snippets/user_comments_on_snippet_spec.rb
+++ b/spec/features/projects/snippets/user_comments_on_snippet_spec.rb
@@ -31,7 +31,7 @@ describe 'Projects > Snippets > User comments on a snippet', :js do
   end
 
   it 'should have zen mode' do
-    find('.js-zen-enter').click()
+    find('.js-zen-enter').click
     expect(page).to have_selector('.fullscreen')
   end
 end
diff --git a/spec/helpers/submodule_helper_spec.rb b/spec/helpers/submodule_helper_spec.rb
index 8662cadc7a0..ea48c69e0ae 100644
--- a/spec/helpers/submodule_helper_spec.rb
+++ b/spec/helpers/submodule_helper_spec.rb
@@ -6,7 +6,7 @@ describe SubmoduleHelper do
   describe 'submodule links' do
     let(:submodule_item) { double(id: 'hash', path: 'rack') }
     let(:config) { Gitlab.config.gitlab }
-    let(:repo) { double() }
+    let(:repo) { double }
 
     before do
       self.instance_variable_set(:@repository, repo)
diff --git a/spec/lib/gitlab/data_builder/pipeline_spec.rb b/spec/lib/gitlab/data_builder/pipeline_spec.rb
index 98f1696badb..9ef987a0826 100644
--- a/spec/lib/gitlab/data_builder/pipeline_spec.rb
+++ b/spec/lib/gitlab/data_builder/pipeline_spec.rb
@@ -37,7 +37,7 @@ describe Gitlab::DataBuilder::Pipeline do
     context 'pipeline without variables' do
       it 'has empty variables hash' do
         expect(attributes[:variables]).to be_a(Array)
-        expect(attributes[:variables]).to be_empty()
+        expect(attributes[:variables]).to be_empty
       end
     end
 
diff --git a/spec/lib/gitlab/sidekiq_logging/structured_logger_spec.rb b/spec/lib/gitlab/sidekiq_logging/structured_logger_spec.rb
index a9d15f1d522..7bc4599e20f 100644
--- a/spec/lib/gitlab/sidekiq_logging/structured_logger_spec.rb
+++ b/spec/lib/gitlab/sidekiq_logging/structured_logger_spec.rb
@@ -16,7 +16,7 @@ describe Gitlab::SidekiqLogging::StructuredLogger do
         "correlation_id" => 'cid'
       }
     end
-    let(:logger) { double() }
+    let(:logger) { double }
     let(:start_payload) do
       job.merge(
         'message' => 'TestWorker JID-da883554ee4fe414012f5f42: start',
diff --git a/spec/services/resource_events/merge_into_notes_service_spec.rb b/spec/services/resource_events/merge_into_notes_service_spec.rb
index 14c43b46c15..72467091791 100644
--- a/spec/services/resource_events/merge_into_notes_service_spec.rb
+++ b/spec/services/resource_events/merge_into_notes_service_spec.rb
@@ -44,7 +44,7 @@ describe ResourceEvents::MergeIntoNotesService do
       create_event(created_at: time, user: user2)
       create_event(created_at: 1.day.ago, label: label2)
 
-      notes = described_class.new(resource, user).execute()
+      notes = described_class.new(resource, user).execute
 
       expected = [
         "added #{label.to_reference} label and removed #{label2.to_reference} label",
@@ -61,7 +61,7 @@ describe ResourceEvents::MergeIntoNotesService do
       event = create_event(created_at: 1.day.ago)
 
       notes = described_class.new(resource, user,
-                                  last_fetched_at: 2.days.ago.to_i).execute()
+                                  last_fetched_at: 2.days.ago.to_i).execute
 
       expect(notes.count).to eq 1
       expect(notes.first.discussion_id).to eq event.discussion_id
diff --git a/spec/support/helpers/kubernetes_helpers.rb b/spec/support/helpers/kubernetes_helpers.rb
index 6930b809048..9dc89b483b2 100644
--- a/spec/support/helpers/kubernetes_helpers.rb
+++ b/spec/support/helpers/kubernetes_helpers.rb
@@ -369,6 +369,6 @@ module KubernetesHelpers
   end
 
   def empty_deployment_rollout_status
-    ::Gitlab::Kubernetes::RolloutStatus.from_deployments()
+    ::Gitlab::Kubernetes::RolloutStatus.from_deployments
   end
 end
diff --git a/spec/support/helpers/rake_helpers.rb b/spec/support/helpers/rake_helpers.rb
index acd9cce6a67..7d8d7750bf3 100644
--- a/spec/support/helpers/rake_helpers.rb
+++ b/spec/support/helpers/rake_helpers.rb
@@ -14,7 +14,7 @@ module RakeHelpers
   end
 
   def silence_progress_bar
-    allow_any_instance_of(ProgressBar::Output).to receive(:stream).and_return(double().as_null_object)
+    allow_any_instance_of(ProgressBar::Output).to receive(:stream).and_return(double.as_null_object)
   end
 
   def main_object
diff --git a/spec/support/helpers/stub_env.rb b/spec/support/helpers/stub_env.rb
index 36b90fc68d6..1c2f474a015 100644
--- a/spec/support/helpers/stub_env.rb
+++ b/spec/support/helpers/stub_env.rb
@@ -18,7 +18,7 @@ module StubENV
     allow(ENV).to receive(:[]).with(key).and_return(value)
     allow(ENV).to receive(:key?).with(key).and_return(true)
     allow(ENV).to receive(:fetch).with(key).and_return(value)
-    allow(ENV).to receive(:fetch).with(key, anything()) do |_, default_val|
+    allow(ENV).to receive(:fetch).with(key, anything) do |_, default_val|
       value || default_val
     end
   end