Reduce the number of loops that Cycle Analytics specs use

See https://gitlab.com/gitlab-org/gitlab-ce/issues/27402

spec/models/cycle_analytics/code_spec.rb

@@ -27,15 +27,13 @@ describe 'CycleAnalytics#code', feature: true do
 
     context "when a regular merge request (that doesn't close the issue) is created" do
       it "returns nil" do
-        5.times do
-          issue = create(:issue, project: project)
+        issue = create(:issue, project: project)
 
-          create_commit_referencing_issue(issue)
-          create_merge_request_closing_issue(issue, message: "Closes nothing")
+        create_commit_referencing_issue(issue)
+        create_merge_request_closing_issue(issue, message: "Closes nothing")
 
-          merge_merge_requests_closing_issue(issue)
-          deploy_master
-        end
+        merge_merge_requests_closing_issue(issue)
+        deploy_master
 
         expect(subject[:code].median).to be_nil
       end
@@ -60,14 +58,12 @@ describe 'CycleAnalytics#code', feature: true do
 
     context "when a regular merge request (that doesn't close the issue) is created" do
       it "returns nil" do
-        5.times do
-          issue = create(:issue, project: project)
+        issue = create(:issue, project: project)
 
-          create_commit_referencing_issue(issue)
-          create_merge_request_closing_issue(issue, message: "Closes nothing")
+        create_commit_referencing_issue(issue)
+        create_merge_request_closing_issue(issue, message: "Closes nothing")
 
-          merge_merge_requests_closing_issue(issue)
-        end
+        merge_merge_requests_closing_issue(issue)
 
         expect(subject[:code].median).to be_nil
       end

spec/models/cycle_analytics/issue_spec.rb

@@ -33,14 +33,12 @@ describe 'CycleAnalytics#issue', models: true do
 
   context "when a regular label (instead of a list label) is added to the issue" do
     it "returns nil" do
-      5.times do
-        regular_label = create(:label)
-        issue = create(:issue, project: project)
-        issue.update(label_ids: [regular_label.id])
+      regular_label = create(:label)
+      issue = create(:issue, project: project)
+      issue.update(label_ids: [regular_label.id])
 
-        create_merge_request_closing_issue(issue)
-        merge_merge_requests_closing_issue(issue)
-      end
+      create_merge_request_closing_issue(issue)
+      merge_merge_requests_closing_issue(issue)
 
       expect(subject[:issue].median).to be_nil
     end

spec/models/cycle_analytics/production_spec.rb

@@ -29,11 +29,9 @@ describe 'CycleAnalytics#production', feature: true do
 
   context "when a regular merge request (that doesn't close the issue) is merged and deployed" do
     it "returns nil" do
-      5.times do
-        merge_request = create(:merge_request)
-        MergeRequests::MergeService.new(project, user).execute(merge_request)
-        deploy_master
-      end
+      merge_request = create(:merge_request)
+      MergeRequests::MergeService.new(project, user).execute(merge_request)
+      deploy_master
 
       expect(subject[:production].median).to be_nil
     end
@@ -41,12 +39,10 @@ describe 'CycleAnalytics#production', feature: true do
 
   context "when the deployment happens to a non-production environment" do
     it "returns nil" do
-      5.times do
-        issue = create(:issue, project: project)
-        merge_request = create_merge_request_closing_issue(issue)
-        MergeRequests::MergeService.new(project, user).execute(merge_request)
-        deploy_master(environment: 'staging')
-      end
+      issue = create(:issue, project: project)
+      merge_request = create_merge_request_closing_issue(issue)
+      MergeRequests::MergeService.new(project, user).execute(merge_request)
+      deploy_master(environment: 'staging')
 
       expect(subject[:production].median).to be_nil
     end

spec/models/cycle_analytics/review_spec.rb

@@ -23,9 +23,7 @@ describe 'CycleAnalytics#review', feature: true do
 
   context "when a regular merge request (that doesn't close the issue) is created and merged" do
     it "returns nil" do
-      5.times do
-        MergeRequests::MergeService.new(project, user).execute(create(:merge_request))
-      end
+      MergeRequests::MergeService.new(project, user).execute(create(:merge_request))
 
       expect(subject[:review].median).to be_nil
     end

spec/models/cycle_analytics/staging_spec.rb

@@ -40,11 +40,9 @@ describe 'CycleAnalytics#staging', feature: true do
 
   context "when a regular merge request (that doesn't close the issue) is merged and deployed" do
     it "returns nil" do
-      5.times do
-        merge_request = create(:merge_request)
-        MergeRequests::MergeService.new(project, user).execute(merge_request)
-        deploy_master
-      end
+      merge_request = create(:merge_request)
+      MergeRequests::MergeService.new(project, user).execute(merge_request)
+      deploy_master
 
       expect(subject[:staging].median).to be_nil
     end
@@ -52,12 +50,10 @@ describe 'CycleAnalytics#staging', feature: true do
 
   context "when the deployment happens to a non-production environment" do
     it "returns nil" do
-      5.times do
-        issue = create(:issue, project: project)
-        merge_request = create_merge_request_closing_issue(issue)
-        MergeRequests::MergeService.new(project, user).execute(merge_request)
-        deploy_master(environment: 'staging')
-      end
+      issue = create(:issue, project: project)
+      merge_request = create_merge_request_closing_issue(issue)
+      MergeRequests::MergeService.new(project, user).execute(merge_request)
+      deploy_master(environment: 'staging')
 
       expect(subject[:staging].median).to be_nil
     end

spec/models/cycle_analytics/test_spec.rb

@@ -24,16 +24,14 @@ describe 'CycleAnalytics#test', feature: true do
 
   context "when the pipeline is for a regular merge request (that doesn't close an issue)" do
     it "returns nil" do
-      5.times do
-        issue = create(:issue, project: project)
-        merge_request = create_merge_request_closing_issue(issue)
-        pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
+      issue = create(:issue, project: project)
+      merge_request = create_merge_request_closing_issue(issue)
+      pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
-        pipeline.run!
-        pipeline.succeed!
+      pipeline.run!
+      pipeline.succeed!
 
-        merge_merge_requests_closing_issue(issue)
-      end
+      merge_merge_requests_closing_issue(issue)
 
       expect(subject[:test].median).to be_nil
     end
@@ -41,12 +39,10 @@ describe 'CycleAnalytics#test', feature: true do
 
   context "when the pipeline is not for a merge request" do
     it "returns nil" do
-      5.times do
-        pipeline = create(:ci_pipeline, ref: "refs/heads/master", sha: project.repository.commit('master').sha)
+      pipeline = create(:ci_pipeline, ref: "refs/heads/master", sha: project.repository.commit('master').sha)
 
-        pipeline.run!
-        pipeline.succeed!
-      end
+      pipeline.run!
+      pipeline.succeed!
 
       expect(subject[:test].median).to be_nil
     end
@@ -54,16 +50,14 @@ describe 'CycleAnalytics#test', feature: true do
 
   context "when the pipeline is dropped (failed)" do
     it "returns nil" do
-      5.times do
-        issue = create(:issue, project: project)
-        merge_request = create_merge_request_closing_issue(issue)
-        pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
+      issue = create(:issue, project: project)
+      merge_request = create_merge_request_closing_issue(issue)
+      pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
-        pipeline.run!
-        pipeline.drop!
+      pipeline.run!
+      pipeline.drop!
 
-        merge_merge_requests_closing_issue(issue)
-      end
+      merge_merge_requests_closing_issue(issue)
 
       expect(subject[:test].median).to be_nil
     end
@@ -71,16 +65,14 @@ describe 'CycleAnalytics#test', feature: true do
 
   context "when the pipeline is cancelled" do
     it "returns nil" do
-      5.times do
-        issue = create(:issue, project: project)
-        merge_request = create_merge_request_closing_issue(issue)
-        pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
+      issue = create(:issue, project: project)
+      merge_request = create_merge_request_closing_issue(issue)
+      pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
-        pipeline.run!
-        pipeline.cancel!
+      pipeline.run!
+      pipeline.cancel!
 
-        merge_merge_requests_closing_issue(issue)
-      end
+      merge_merge_requests_closing_issue(issue)
 
       expect(subject[:test].median).to be_nil
     end

spec/support/cycle_analytics_helpers/test_generation.rb

@@ -63,22 +63,20 @@ module CycleAnalyticsHelpers
                 # test case.
                 allow(self).to receive(:project) { other_project }
 
-                5.times do
-                  data = data_fn[self]
-                  start_time = Time.now
-                  end_time = rand(1..10).days.from_now
-
-                  start_time_conditions.each do |condition_name, condition_fn|
-                    Timecop.freeze(start_time) { condition_fn[self, data] }
-                  end
+                data = data_fn[self]
+                start_time = Time.now
+                end_time = rand(1..10).days.from_now
 
-                  end_time_conditions.each do |condition_name, condition_fn|
-                    Timecop.freeze(end_time) { condition_fn[self, data] }
-                  end
+                start_time_conditions.each do |condition_name, condition_fn|
+                  Timecop.freeze(start_time) { condition_fn[self, data] }
+                end
 
-                  Timecop.freeze(end_time + 1.day) { post_fn[self, data] } if post_fn
+                end_time_conditions.each do |condition_name, condition_fn|
+                  Timecop.freeze(end_time) { condition_fn[self, data] }
                 end
 
+                Timecop.freeze(end_time + 1.day) { post_fn[self, data] } if post_fn
+
                 # Turn off the stub before checking assertions
                 allow(self).to receive(:project).and_call_original
 
@@ -114,17 +112,15 @@ module CycleAnalyticsHelpers
         context "start condition NOT PRESENT: #{start_time_conditions.map(&:first).to_sentence}" do
           context "end condition: #{end_time_conditions.map(&:first).to_sentence}" do
             it "returns nil" do
-              5.times do
-                data = data_fn[self]
-                end_time = rand(1..10).days.from_now
-
-                end_time_conditions.each_with_index do |(condition_name, condition_fn), index|
-                  Timecop.freeze(end_time + index.days) { condition_fn[self, data] }
-                end
+              data = data_fn[self]
+              end_time = rand(1..10).days.from_now
 
-                Timecop.freeze(end_time + 1.day) { post_fn[self, data] } if post_fn
+              end_time_conditions.each_with_index do |(condition_name, condition_fn), index|
+                Timecop.freeze(end_time + index.days) { condition_fn[self, data] }
               end
 
+              Timecop.freeze(end_time + 1.day) { post_fn[self, data] } if post_fn
+
               expect(subject[phase].median).to be_nil
             end
           end
@@ -133,17 +129,15 @@ module CycleAnalyticsHelpers
         context "start condition: #{start_time_conditions.map(&:first).to_sentence}" do
           context "end condition NOT PRESENT: #{end_time_conditions.map(&:first).to_sentence}" do
             it "returns nil" do
-              5.times do
-                data = data_fn[self]
-                start_time = Time.now
-
-                start_time_conditions.each do |condition_name, condition_fn|
-                  Timecop.freeze(start_time) { condition_fn[self, data] }
-                end
+              data = data_fn[self]
+              start_time = Time.now
 
-                post_fn[self, data] if post_fn
+              start_time_conditions.each do |condition_name, condition_fn|
+                Timecop.freeze(start_time) { condition_fn[self, data] }
               end
 
+              post_fn[self, data] if post_fn
+
               expect(subject[phase].median).to be_nil
             end
           end