Adapt cycle analytics spec helper and cycle analytics usage data spec

app/serializers/analytics_stage_entity.rb

@@ -7,8 +7,7 @@ class AnalyticsStageEntity < Grape::Entity
   expose :description
 
   expose :median, as: :value do |stage|
-    if stage.median && !(stage.median.nil? || stage.median.zero?)
-      distance_of_time_in_words(stage.median)
-    end
+    # median returns a BatchLoader instance which we first have to unwrap by using to_i
+    !stage.median.to_i.zero? ? distance_of_time_in_words(stage.median) : nil
   end
 end

changelogs/unreleased/41777-include-cycle-time-in-usage-ping.yml

+---
+title: Include cycle time in usage ping data
+merge_request: 16973
+author:
+type: added

lib/gitlab/cycle_analytics/base_query.rb

@@ -15,7 +15,7 @@ module Gitlab
         query = mr_closing_issues_table.join(issue_table).on(issue_table[:id].eq(mr_closing_issues_table[:issue_id]))
           .join(issue_metrics_table).on(issue_table[:id].eq(issue_metrics_table[:issue_id]))
           .project(issue_table[:project_id].as("project_id"))
-          .where(issue_table[:project_id].in(Array(project_ids)))
+          .where(issue_table[:project_id].in(project_ids))
           .where(issue_table[:created_at].gteq(@options[:from])) # rubocop:disable Gitlab/ModuleWithInstanceVariables
 
         # Load merge_requests

lib/gitlab/cycle_analytics/base_stage.rb

@@ -31,12 +31,16 @@ module Gitlab
           interval_query = Arel::Nodes::As.new(cte_table,
             subtract_datetimes(stage_query(project_ids), start_time_attrs, end_time_attrs, name.to_s))
 
-          if project_ids.size == 1
+          if project_ids.one?
             loader.call(@project.id, median_datetime(cte_table, interval_query, name))
           else
+            begin
               median_datetimes(cte_table, interval_query, name, :project_id)&.each do |project_id, median|
                 loader.call(project_id, median)
               end
+            rescue NotSupportedError
+              {}
+            end
           end
         end
       end

lib/gitlab/database/median.rb

@@ -2,6 +2,8 @@
 module Gitlab
   module Database
     module Median
+      NotSupportedError = Class.new(StandardError)
+
       def median_datetime(arel_table, query_so_far, column_sym)
         extract_median(execute_queries(arel_table, query_so_far, column_sym)).presence
       end
@@ -23,11 +25,11 @@ module Gitlab
       end
 
       def extract_medians(results)
-        return {} if Gitlab::Database.mysql?
+        median_values = results.compact.first.values
 
-        results.compact.first.values.map do |id, median|
-          [id.to_i, median&.to_f]
-        end.to_h
+        median_values.each_with_object({}) do |(id, median), hash|
+          hash[id.to_i] = median&.to_f
+        end
       end
 
       def mysql_median_datetime_sql(arel_table, query_so_far, column_sym)
@@ -113,6 +115,8 @@ module Gitlab
         if Gitlab::Database.postgresql?
           pg_median_datetime_sql(arel_table, query_so_far, column_sym, partition_column)
         elsif Gitlab::Database.mysql?
+          raise NotSupportedError, "partition_column is not supported for MySQL" if partition_column
+
           mysql_median_datetime_sql(arel_table, query_so_far, column_sym)
         end
       end
@@ -159,12 +163,10 @@ module Gitlab
       end
 
       def median_projections(table, column_sym, partition_column)
-        if partition_column
-          [table[partition_column],
-           average([extract_epoch(table[column_sym])], "median")]
-        else
-          [average([extract_epoch(table[column_sym])], "median")]
-        end
+        projections = []
+        projections << table[partition_column] if partition_column
+        projections << average([extract_epoch(table[column_sym])], "median")
+        projections
       end
 
       def extract_epoch(arel_attribute)

spec/controllers/projects/cycle_analytics_controller_spec.rb

@@ -27,7 +27,7 @@ describe Projects::CycleAnalyticsController do
         milestone = create(:milestone, project: project, created_at: 5.days.ago)
         issue.update(milestone: milestone)
 
-        create_merge_request_closing_issue(issue)
+        create_merge_request_closing_issue(user, project, issue)
       end
 
       it 'is false' do

spec/features/cycle_analytics_spec.rb

@@ -6,7 +6,7 @@ feature 'Cycle Analytics', :js do
   let(:project) { create(:project, :repository) }
   let(:issue) { create(:issue, project: project, created_at: 2.days.ago) }
   let(:milestone) { create(:milestone, project: project) }
-  let(:mr) { create_merge_request_closing_issue(issue, commit_message: "References #{issue.to_reference}") }
+  let(:mr) { create_merge_request_closing_issue(user, project, issue, commit_message: "References #{issue.to_reference}") }
   let(:pipeline) { create(:ci_empty_pipeline, status: 'created', project: project, ref: mr.source_branch, sha: mr.source_branch_sha, head_pipeline_of: mr) }
 
   context 'as an allowed user' do
@@ -42,7 +42,7 @@ feature 'Cycle Analytics', :js do
         project.add_master(user)
 
         @build = create_cycle(user, project, issue, mr, milestone, pipeline)
-        deploy_master
+        deploy_master(user, project)
 
         sign_in(user)
         visit project_cycle_analytics_path(project)
@@ -118,7 +118,7 @@ feature 'Cycle Analytics', :js do
 
       allow_any_instance_of(Gitlab::ReferenceExtractor).to receive(:issues).and_return([issue])
       create_cycle(user, project, issue, mr, milestone, pipeline)
-      deploy_master
+      deploy_master(user, project)
 
       sign_in(guest)
       visit project_cycle_analytics_path(project)

spec/lib/gitlab/cycle_analytics/base_event_fetcher_spec.rb

@@ -41,7 +41,7 @@ describe Gitlab::CycleAnalytics::BaseEventFetcher do
       milestone = create(:milestone, project: project)
 
       issue.update(milestone: milestone)
-      create_merge_request_closing_issue(issue)
+      create_merge_request_closing_issue(user, project, issue)
     end
   end
 end

spec/lib/gitlab/cycle_analytics/events_spec.rb

@@ -236,8 +236,8 @@ describe 'cycle analytics events' do
       pipeline.run!
       pipeline.succeed!
 
-      merge_merge_requests_closing_issue(context)
-      deploy_master
+      merge_merge_requests_closing_issue(user, project, context)
+      deploy_master(user, project)
     end
 
     it 'has the name' do
@@ -294,8 +294,8 @@ describe 'cycle analytics events' do
     let!(:context) { create(:issue, project: project, created_at: 2.days.ago) }
 
     before do
-      merge_merge_requests_closing_issue(context)
-      deploy_master
+      merge_merge_requests_closing_issue(user, project, context)
+      deploy_master(user, project)
     end
 
     it 'has the total time' do
@@ -334,7 +334,7 @@ describe 'cycle analytics events' do
   def setup(context)
     milestone = create(:milestone, project: project)
     context.update(milestone: milestone)
-    mr = create_merge_request_closing_issue(context, commit_message: "References #{context.to_reference}")
+    mr = create_merge_request_closing_issue(user, project, context, commit_message: "References #{context.to_reference}")
 
     ProcessCommitWorker.new.perform(project.id, user.id, mr.commits.last.to_hash)
   end

spec/lib/gitlab/cycle_analytics/usage_data_spec.rb

 require 'spec_helper'
 
 describe Gitlab::CycleAnalytics::UsageData do
-  let(:project) { create(:project, :repository) }
-  let(:user) { create(:user, :admin) }
-  let(:issue) { create(:issue, project: project, created_at: 2.days.ago) }
-  let(:milestone) { create(:milestone, project: project) }
-  let(:mr) { create_merge_request_closing_issue(issue, commit_message: "References #{issue.to_reference}") }
-  let(:pipeline) { create(:ci_empty_pipeline, status: 'created', project: project, ref: mr.source_branch, sha: mr.source_branch_sha, head_pipeline_of: mr) }
-
-  subject { described_class.new([project]) }
-
   describe '#to_json' do
     before do
+      Timecop.freeze do
+        user = create(:user, :admin)
+        projects = create_list(:project, 2, :repository)
+
+        projects.each_with_index do |project, time|
+          issue = create(:issue, project: project, created_at: (time + 1).hour.ago)
+
           allow_any_instance_of(Gitlab::ReferenceExtractor).to receive(:issues).and_return([issue])
 
+          milestone = create(:milestone, project: project)
+          mr = create_merge_request_closing_issue(user, project, issue, commit_message: "References #{issue.to_reference}")
+          pipeline = create(:ci_empty_pipeline, status: 'created', project: project, ref: mr.source_branch, sha: mr.source_branch_sha, head_pipeline_of: mr)
+
           create_cycle(user, project, issue, mr, milestone, pipeline)
-      deploy_master
+          deploy_master(user, project, environment: 'staging')
+          deploy_master(user, project)
+        end
+      end
     end
 
+    shared_examples 'a valid usage data result' do
       it 'returns the aggregated usage data of every selected project' do
         result = subject.to_json
-      avg_cycle_analytics = result[:avg_cycle_analytics]
 
         expect(result).to have_key(:avg_cycle_analytics)
-      CycleAnalytics::STAGES.each do |stage_name|
-        stage_values = avg_cycle_analytics[stage_name]
 
-        expect(avg_cycle_analytics).to have_key(stage_name)
-        expect(stage_values).to have_key(:average)
-        expect(stage_values).to have_key(:sd)
-        expect(stage_values).to have_key(:missing)
+        CycleAnalytics::STAGES.each do |stage|
+          expect(result[:avg_cycle_analytics]).to have_key(stage)
+
+          stage_values    = result[:avg_cycle_analytics][stage]
+          expected_values = expect_values_per_stage[stage]
+
+          expected_values.each_pair do |op, value|
+            expect(stage_values).to have_key(op)
+
+            if op == :missing
+              expect(stage_values[op]).to eq(value)
+            else
+              # delta is used because of git timings that Timecop does not stub
+              expect(stage_values[op].to_i).to be_within(5).of(value.to_i)
+            end
           end
         end
       end
+    end
+
+    context 'when using postgresql', :postgresql do
+      let(:expect_values_per_stage) do
+        {
+          issue: {
+            average: 5400,
+            sd: 2545,
+            missing: 0
+          },
+          plan: {
+            average: 2,
+            sd: 2,
+            missing: 0
+          },
+          code: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          test: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          review: {
+            average: 0,
+            sd: 0,
+            missing: 0
+          },
+          staging: {
+            average: 0,
+            sd: 0,
+            missing: 0
+          },
+          production: {
+            average: 5400,
+            sd: 2545,
+            missing: 0
+          }
+        }
+      end
+
+      it_behaves_like 'a valid usage data result'
+    end
+
+    context 'when using mysql', :mysql do
+      let(:expect_values_per_stage) do
+        {
+          issue: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          plan: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          code: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          test: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          review: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          staging: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          },
+          production: {
+            average: nil,
+            sd: 0,
+            missing: 2
+          }
+        }
+      end
+
+      it_behaves_like 'a valid usage data result'
+    end
+  end
 end

spec/lib/gitlab/database/median_spec.rb

 require 'spec_helper'
 
 describe Gitlab::Database::Median do
-  describe '#extract_medians' do
-    context 'when using MySQL' do
-      it 'returns an empty hash' do
-        values = [["1", "1000"]]
+  let(:dummy_class) do
+    Class.new do
+      include Gitlab::Database::Median
+    end
+  end
 
-        allow(Gitlab::Database).to receive(:mysql?).and_return(true)
+  subject(:median) { dummy_class.new }
 
-        expect(described_class.new.extract_median(values)).eq({})
-      end
+  describe '#median_datetimes' do
+    it 'raises NotSupportedError', :mysql do
+      expect { median.median_datetimes(nil, nil, nil, :project_id) }.to raise_error(dummy_class::NotSupportedError, "partition_column is not supported for MySQL")
     end
   end
 end

spec/models/cycle_analytics/code_spec.rb

@@ -18,11 +18,11 @@ describe 'CycleAnalytics#code' do
                                end]],
       end_time_conditions: [["merge request that closes issue is created",
                              -> (context, data) do
-                               context.create_merge_request_closing_issue(data[:issue])
+                               context.create_merge_request_closing_issue(context.user, context.project, data[:issue])
                              end]],
       post_fn: -> (context, data) do
-        context.merge_merge_requests_closing_issue(data[:issue])
-        context.deploy_master
+        context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
+        context.deploy_master(context.user, context.project)
       end)
 
     context "when a regular merge request (that doesn't close the issue) is created" do
@@ -30,10 +30,10 @@ describe 'CycleAnalytics#code' do
         issue = create(:issue, project: project)
 
         create_commit_referencing_issue(issue)
-        create_merge_request_closing_issue(issue, message: "Closes nothing")
+        create_merge_request_closing_issue(user, project, issue, message: "Closes nothing")
 
-        merge_merge_requests_closing_issue(issue)
-        deploy_master
+        merge_merge_requests_closing_issue(user, project, issue)
+        deploy_master(user, project)
 
         expect(subject[:code].median).to be_nil
       end
@@ -50,10 +50,10 @@ describe 'CycleAnalytics#code' do
                                end]],
       end_time_conditions: [["merge request that closes issue is created",
                              -> (context, data) do
-                               context.create_merge_request_closing_issue(data[:issue])
+                               context.create_merge_request_closing_issue(context.user, context.project, data[:issue])
                              end]],
       post_fn: -> (context, data) do
-        context.merge_merge_requests_closing_issue(data[:issue])
+        context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
       end)
 
     context "when a regular merge request (that doesn't close the issue) is created" do
@@ -61,9 +61,9 @@ describe 'CycleAnalytics#code' do
         issue = create(:issue, project: project)
 
         create_commit_referencing_issue(issue)
-        create_merge_request_closing_issue(issue, message: "Closes nothing")
+        create_merge_request_closing_issue(user, project, issue, message: "Closes nothing")
 
-        merge_merge_requests_closing_issue(issue)
+        merge_merge_requests_closing_issue(user, project, issue)
 
         expect(subject[:code].median).to be_nil
       end

spec/models/cycle_analytics/issue_spec.rb

@@ -26,8 +26,8 @@ describe 'CycleAnalytics#issue' do
                              end]],
     post_fn: -> (context, data) do
       if data[:issue].persisted?
-        context.create_merge_request_closing_issue(data[:issue].reload)
-        context.merge_merge_requests_closing_issue(data[:issue])
+        context.create_merge_request_closing_issue(context.user, context.project, data[:issue].reload)
+        context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
       end
     end)
 
@@ -37,8 +37,8 @@ describe 'CycleAnalytics#issue' do
       issue = create(:issue, project: project)
       issue.update(label_ids: [regular_label.id])
 
-      create_merge_request_closing_issue(issue)
-      merge_merge_requests_closing_issue(issue)
+      create_merge_request_closing_issue(user, project, issue)
+      merge_merge_requests_closing_issue(user, project, issue)
 
       expect(subject[:issue].median).to be_nil
     end

spec/models/cycle_analytics/plan_spec.rb

@@ -29,8 +29,8 @@ describe 'CycleAnalytics#plan' do
                                context.create_commit_referencing_issue(data[:issue], branch_name: data[:branch_name])
                              end]],
     post_fn: -> (context, data) do
-      context.create_merge_request_closing_issue(data[:issue], source_branch: data[:branch_name])
-      context.merge_merge_requests_closing_issue(data[:issue])
+      context.create_merge_request_closing_issue(context.user, context.project, data[:issue], source_branch: data[:branch_name])
+      context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
     end)
 
   context "when a regular label (instead of a list label) is added to the issue" do
@@ -41,8 +41,8 @@ describe 'CycleAnalytics#plan' do
       issue.update(label_ids: [label.id])
       create_commit_referencing_issue(issue, branch_name: branch_name)
 
-      create_merge_request_closing_issue(issue, source_branch: branch_name)
-      merge_merge_requests_closing_issue(issue)
+      create_merge_request_closing_issue(user, project, issue, source_branch: branch_name)
+      merge_merge_requests_closing_issue(user, project, issue)
 
       expect(subject[:issue].median).to be_nil
     end

spec/models/cycle_analytics/production_spec.rb

@@ -13,11 +13,11 @@ describe 'CycleAnalytics#production' do
     data_fn: -> (context) { { issue: context.build(:issue, project: context.project) } },
     start_time_conditions: [["issue is created", -> (context, data) { data[:issue].save }]],
     before_end_fn: lambda do |context, data|
-      context.create_merge_request_closing_issue(data[:issue])
-      context.merge_merge_requests_closing_issue(data[:issue])
+      context.create_merge_request_closing_issue(context.user, context.project, data[:issue])
+      context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
     end,
     end_time_conditions:
-      [["merge request that closes issue is deployed to production", -> (context, data) { context.deploy_master }],
+      [["merge request that closes issue is deployed to production", -> (context, data) { context.deploy_master(context.user, context.project) }],
        ["production deploy happens after merge request is merged (along with other changes)",
         lambda do |context, data|
           # Make other changes on master
@@ -29,14 +29,14 @@ describe 'CycleAnalytics#production' do
             branch_name: 'master')
           context.project.repository.commit(sha)
 
-          context.deploy_master
+          context.deploy_master(context.user, context.project)
         end]])
 
   context "when a regular merge request (that doesn't close the issue) is merged and deployed" do
     it "returns nil" do
       merge_request = create(:merge_request)
       MergeRequests::MergeService.new(project, user).execute(merge_request)
-      deploy_master
+      deploy_master(user, project)
 
       expect(subject[:production].median).to be_nil
     end
@@ -45,9 +45,9 @@ describe 'CycleAnalytics#production' do
   context "when the deployment happens to a non-production environment" do
     it "returns nil" do
       issue = create(:issue, project: project)
-      merge_request = create_merge_request_closing_issue(issue)
+      merge_request = create_merge_request_closing_issue(user, project, issue)
       MergeRequests::MergeService.new(project, user).execute(merge_request)
-      deploy_master(environment: 'staging')
+      deploy_master(user, project, environment: 'staging')
 
       expect(subject[:production].median).to be_nil
     end

spec/models/cycle_analytics/review_spec.rb

@@ -13,11 +13,11 @@ describe 'CycleAnalytics#review' do
     data_fn: -> (context) { { issue: context.create(:issue, project: context.project) } },
     start_time_conditions: [["merge request that closes issue is created",
                              -> (context, data) do
-                               context.create_merge_request_closing_issue(data[:issue])
+                               context.create_merge_request_closing_issue(context.user, context.project, data[:issue])
                              end]],
     end_time_conditions:   [["merge request that closes issue is merged",
                              -> (context, data) do
-                               context.merge_merge_requests_closing_issue(data[:issue])
+                               context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
                              end]],
     post_fn: nil)
 

spec/models/cycle_analytics/staging_spec.rb

@@ -13,15 +13,15 @@ describe 'CycleAnalytics#staging' do
     phase: :staging,
     data_fn: lambda do |context|
       issue = context.create(:issue, project: context.project)
-      { issue: issue, merge_request: context.create_merge_request_closing_issue(issue) }
+      { issue: issue, merge_request: context.create_merge_request_closing_issue(context.user, context.project, issue) }
     end,
     start_time_conditions: [["merge request that closes issue is merged",
                              -> (context, data) do
-                               context.merge_merge_requests_closing_issue(data[:issue])
+                               context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
                              end]],
     end_time_conditions:   [["merge request that closes issue is deployed to production",
                              -> (context, data) do
-                               context.deploy_master
+                               context.deploy_master(context.user, context.project)
                              end],
                             ["production deploy happens after merge request is merged (along with other changes)",
                              lambda do |context, data|
@@ -34,14 +34,14 @@ describe 'CycleAnalytics#staging' do
                                  branch_name: 'master')
                                context.project.repository.commit(sha)
 
-                               context.deploy_master
+                               context.deploy_master(context.user, context.project)
                              end]])
 
   context "when a regular merge request (that doesn't close the issue) is merged and deployed" do
     it "returns nil" do
       merge_request = create(:merge_request)
       MergeRequests::MergeService.new(project, user).execute(merge_request)
-      deploy_master
+      deploy_master(user, project)
 
       expect(subject[:staging].median).to be_nil
     end
@@ -50,9 +50,9 @@ describe 'CycleAnalytics#staging' do
   context "when the deployment happens to a non-production environment" do
     it "returns nil" do
       issue = create(:issue, project: project)
-      merge_request = create_merge_request_closing_issue(issue)
+      merge_request = create_merge_request_closing_issue(user, project, issue)
       MergeRequests::MergeService.new(project, user).execute(merge_request)
-      deploy_master(environment: 'staging')
+      deploy_master(user, project, environment: 'staging')
 
       expect(subject[:staging].median).to be_nil
     end

spec/models/cycle_analytics/test_spec.rb

@@ -12,26 +12,26 @@ describe 'CycleAnalytics#test' do
     phase: :test,
     data_fn: lambda do |context|
       issue = context.create(:issue, project: context.project)
-      merge_request = context.create_merge_request_closing_issue(issue)
+      merge_request = context.create_merge_request_closing_issue(context.user, context.project, issue)
       pipeline = context.create(:ci_pipeline, ref: merge_request.source_branch, sha: merge_request.diff_head_sha, project: context.project, head_pipeline_of: merge_request)
       { pipeline: pipeline, issue: issue }
     end,
     start_time_conditions: [["pipeline is started", -> (context, data) { data[:pipeline].run! }]],
     end_time_conditions:   [["pipeline is finished", -> (context, data) { data[:pipeline].succeed! }]],
     post_fn: -> (context, data) do
-      context.merge_merge_requests_closing_issue(data[:issue])
+      context.merge_merge_requests_closing_issue(context.user, context.project, data[:issue])
     end)
 
   context "when the pipeline is for a regular merge request (that doesn't close an issue)" do
     it "returns nil" do
       issue = create(:issue, project: project)
-      merge_request = create_merge_request_closing_issue(issue)
+      merge_request = create_merge_request_closing_issue(user, project, issue)
       pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
       pipeline.run!
       pipeline.succeed!
 
-      merge_merge_requests_closing_issue(issue)
+      merge_merge_requests_closing_issue(user, project, issue)
 
       expect(subject[:test].median).to be_nil
     end
@@ -51,13 +51,13 @@ describe 'CycleAnalytics#test' do
   context "when the pipeline is dropped (failed)" do
     it "returns nil" do
       issue = create(:issue, project: project)
-      merge_request = create_merge_request_closing_issue(issue)
+      merge_request = create_merge_request_closing_issue(user, project, issue)
       pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
       pipeline.run!
       pipeline.drop!
 
-      merge_merge_requests_closing_issue(issue)
+      merge_merge_requests_closing_issue(user, project, issue)
 
       expect(subject[:test].median).to be_nil
     end
@@ -66,13 +66,13 @@ describe 'CycleAnalytics#test' do
   context "when the pipeline is cancelled" do
     it "returns nil" do
       issue = create(:issue, project: project)
-      merge_request = create_merge_request_closing_issue(issue)
+      merge_request = create_merge_request_closing_issue(user, project, issue)
       pipeline = create(:ci_pipeline, ref: "refs/heads/#{merge_request.source_branch}", sha: merge_request.diff_head_sha)
 
       pipeline.run!
       pipeline.cancel!
 
-      merge_merge_requests_closing_issue(issue)
+      merge_merge_requests_closing_issue(user, project, issue)
 
       expect(subject[:test].median).to be_nil
     end

spec/models/cycle_analytics_spec.rb

@@ -6,7 +6,7 @@ describe CycleAnalytics do
   let(:user) { create(:user, :admin) }
   let(:issue) { create(:issue, project: project, created_at: 2.days.ago) }
   let(:milestone) { create(:milestone, project: project) }
-  let(:mr) { create_merge_request_closing_issue(issue, commit_message: "References #{issue.to_reference}") }
+  let(:mr) { create_merge_request_closing_issue(user, project, issue, commit_message: "References #{issue.to_reference}") }
   let(:pipeline) { create(:ci_empty_pipeline, status: 'created', project: project, ref: mr.source_branch, sha: mr.source_branch_sha, head_pipeline_of: mr) }
 
   subject { described_class.new(project, from: from_date) }
@@ -16,7 +16,7 @@ describe CycleAnalytics do
       allow_any_instance_of(Gitlab::ReferenceExtractor).to receive(:issues).and_return([issue])
 
       create_cycle(user, project, issue, mr, milestone, pipeline)
-      deploy_master
+      deploy_master(user, project)
     end
 
     it 'returns every median for each stage for a specific project' do

spec/requests/projects/cycle_analytics_events_spec.rb

@@ -15,7 +15,7 @@ describe 'cycle analytics events' do
         end
       end
 
-      deploy_master
+      deploy_master(user, project)
 
       login_as(user)
     end
@@ -119,7 +119,7 @@ describe 'cycle analytics events' do
   def create_cycle
     milestone = create(:milestone, project: project)
     issue.update(milestone: milestone)
-    mr = create_merge_request_closing_issue(issue, commit_message: "References #{issue.to_reference}")
+    mr = create_merge_request_closing_issue(user, project, issue, commit_message: "References #{issue.to_reference}")
 
     pipeline = create(:ci_empty_pipeline, status: 'created', project: project, ref: mr.source_branch, sha: mr.source_branch_sha, head_pipeline_of: mr)
     pipeline.run
@@ -127,7 +127,7 @@ describe 'cycle analytics events' do
     create(:ci_build, pipeline: pipeline, status: :success, author: user)
     create(:ci_build, pipeline: pipeline, status: :success, author: user)
 
-    merge_merge_requests_closing_issue(issue)
+    merge_merge_requests_closing_issue(user, project, issue)
 
     ProcessCommitWorker.new.perform(project.id, user.id, mr.commits.last.to_hash)
   end

spec/spec_helper.rb

@@ -186,6 +186,10 @@ RSpec.configure do |config|
     example.run if Gitlab::Database.postgresql?
   end
 
+  config.around(:each, :mysql) do |example|
+    example.run if Gitlab::Database.mysql?
+  end
+
   # This makes sure the `ApplicationController#can?` method is stubbed with the
   # original implementation for all view specs.
   config.before(:each, type: :view) do

spec/support/cycle_analytics_helpers.rb

@@ -32,13 +32,13 @@ module CycleAnalyticsHelpers
 
     ci_build = create(:ci_build, pipeline: pipeline, status: :success, author: user)
 
-    merge_merge_requests_closing_issue(issue)
+    merge_merge_requests_closing_issue(user, project, issue)
     ProcessCommitWorker.new.perform(project.id, user.id, mr.commits.last.to_hash)
 
     ci_build
   end
 
-  def create_merge_request_closing_issue(issue, message: nil, source_branch: nil, commit_message: 'commit message')
+  def create_merge_request_closing_issue(user, project, issue, message: nil, source_branch: nil, commit_message: 'commit message')
     if !source_branch || project.repository.commit(source_branch).blank?
       source_branch = generate(:branch)
       project.repository.add_branch(user, source_branch, 'master')
@@ -64,19 +64,19 @@ module CycleAnalyticsHelpers
     mr
   end
 
-  def merge_merge_requests_closing_issue(issue)
+  def merge_merge_requests_closing_issue(user, project, issue)
     merge_requests = issue.closed_by_merge_requests(user)
 
     merge_requests.each { |merge_request| MergeRequests::MergeService.new(project, user).execute(merge_request) }
   end
 
-  def deploy_master(environment: 'production')
+  def deploy_master(user, project, environment: 'production')
     dummy_job =
       case environment
       when 'production'
-        dummy_production_job
+        dummy_production_job(user, project)
       when 'staging'
-        dummy_staging_job
+        dummy_staging_job(user, project)
       else
         raise ArgumentError
       end
@@ -84,16 +84,15 @@ module CycleAnalyticsHelpers
     CreateDeploymentService.new(dummy_job).execute
   end
 
-  def dummy_production_job
-    @dummy_job ||= new_dummy_job('production')
+  def dummy_production_job(user, project)
+    new_dummy_job(user, project, 'production')
   end
 
-  def dummy_staging_job
-    @dummy_job ||= new_dummy_job('staging')
+  def dummy_staging_job(user, project)
+    new_dummy_job(user, project, 'staging')
   end
 
-  def dummy_pipeline
-    @dummy_pipeline ||=
+  def dummy_pipeline(project)
     Ci::Pipeline.new(
       sha: project.repository.commit('master').sha,
       ref: 'master',
@@ -102,7 +101,7 @@ module CycleAnalyticsHelpers
       protected: false)
   end
 
-  def new_dummy_job(environment)
+  def new_dummy_job(user, project, environment)
     project.environments.find_or_create_by(name: environment)
 
     Ci::Build.new(
@@ -113,7 +112,7 @@ module CycleAnalyticsHelpers
       tag: false,
       name: 'dummy',
       stage: 'dummy',
-      pipeline: dummy_pipeline,
+      pipeline: dummy_pipeline(project),
       protected: false)
   end