Merge branch '30138-display-cycle-analytics-issue-logic-fixes' into 'master'

Resolve "Display and logic improvements for cycle analytics"

Closes #30138

See merge request gitlab-org/gitlab-ce!29018

app/assets/javascripts/cycle_analytics/components/stage_plan_component.vue

-<script>
-import userAvatarImage from '../../vue_shared/components/user_avatar/user_avatar_image.vue';
-import iconCommit from '../svg/icon_commit.svg';
-import limitWarning from './limit_warning_component.vue';
-import totalTime from './total_time_component.vue';
-
-export default {
-  components: {
-    userAvatarImage,
-    totalTime,
-    limitWarning,
-  },
-  props: {
-    items: {
-      type: Array,
-      default: () => [],
-    },
-    stage: {
-      type: Object,
-      default: () => ({}),
-    },
-  },
-  computed: {
-    iconCommit() {
-      return iconCommit;
-    },
-  },
-};
-</script>
-<template>
-  <div>
-    <div class="events-description">
-      {{ stage.description }}
-      <limit-warning :count="items.length" />
-    </div>
-    <ul class="stage-event-list">
-      <li v-for="(commit, i) in items" :key="i" class="stage-event-item">
-        <div class="item-details item-conmmit-component">
-          <!-- FIXME: Pass an alt attribute here for accessibility -->
-          <user-avatar-image :img-src="commit.author.avatarUrl" />
-          <h5 class="item-title commit-title">
-            <a :href="commit.commitUrl"> {{ commit.title }} </a>
-          </h5>
-          <span>
-            {{ s__('FirstPushedBy|First') }} <span class="commit-icon" v-html="iconCommit"> </span>
-            <a :href="commit.commitUrl" class="commit-hash-link commit-sha">{{
-              commit.shortSha
-            }}</a>
-            {{ s__('FirstPushedBy|pushed by') }}
-            <a :href="commit.author.webUrl" class="commit-author-link">
-              {{ commit.author.name }}
-            </a>
-          </span>
-        </div>
-        <div class="item-time"><total-time :time="commit.totalTime" /></div>
-      </li>
-    </ul>
-  </div>
-</template>

app/assets/javascripts/cycle_analytics/cycle_analytics_bundle.js

@@ -5,7 +5,6 @@ import Flash from '../flash';
 import Translate from '../vue_shared/translate';
 import banner from './components/banner.vue';
 import stageCodeComponent from './components/stage_code_component.vue';
-import stagePlanComponent from './components/stage_plan_component.vue';
 import stageComponent from './components/stage_component.vue';
 import stageReviewComponent from './components/stage_review_component.vue';
 import stageStagingComponent from './components/stage_staging_component.vue';
@@ -26,7 +25,7 @@ export default () => {
     components: {
       banner,
       'stage-issue-component': stageComponent,
-      'stage-plan-component': stagePlanComponent,
+      'stage-plan-component': stageComponent,
       'stage-code-component': stageCodeComponent,
       'stage-test-component': stageTestComponent,
       'stage-review-component': stageReviewComponent,

changelogs/unreleased/30138-display-cycle-analytics-issue-logic-fixes.yml

+---
+title: Change logic behind cycle analytics
+merge_request: 29018
+author:
+type: changed

lib/gitlab/cycle_analytics/builds_event_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module BuildsEventHelper
+      def initialize(*args)
+        @projections = [build_table[:id]]
+        @order = build_table[:created_at]
+
+        super(*args)
+      end
+
+      def fetch
+        Updater.update!(event_result, from: 'id', to: 'build', klass: ::Ci::Build)
+
+        super
+      end
+
+      def events_query
+        base_query.join(build_table).on(mr_metrics_table[:pipeline_id].eq(build_table[:commit_id]))
+
+        super
+      end
+
+      private
+
+      def allowed_ids
+        nil
+      end
+
+      def serialize(event)
+        AnalyticsBuildSerializer.new.represent(event['build'])
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/code_event_fetcher.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class CodeEventFetcher < BaseEventFetcher
+      include CodeHelper
+
       def initialize(*args)
         @projections = [mr_table[:title],
                         mr_table[:iid],

lib/gitlab/cycle_analytics/code_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module CodeHelper
+      def stage_query(project_ids)
+        super(project_ids).where(mr_table[:created_at].gteq(issue_metrics_table[:first_mentioned_in_commit_at]))
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/code_stage.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class CodeStage < BaseStage
+      include CodeHelper
+
       def start_time_attrs
         @start_time_attrs ||= issue_metrics_table[:first_mentioned_in_commit_at]
       end

lib/gitlab/cycle_analytics/issue_event_fetcher.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class IssueEventFetcher < BaseEventFetcher
+      include IssueHelper
+
       def initialize(*args)
         @projections = [issue_table[:title],
                         issue_table[:iid],

lib/gitlab/cycle_analytics/issue_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module IssueHelper
+      def stage_query(project_ids)
+        query = issue_table.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(project_ids))
+          .where(issue_table[:created_at].gteq(@options[:from])) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+          .where(issue_metrics_table[:first_added_to_board_at].not_eq(nil).or(issue_metrics_table[:first_associated_with_milestone_at].not_eq(nil)))
+
+        query
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/issue_stage.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class IssueStage < BaseStage
+      include IssueHelper
+
       def start_time_attrs
         @start_time_attrs ||= issue_table[:created_at]
       end

lib/gitlab/cycle_analytics/plan_event_fetcher.rb

@@ -3,60 +3,26 @@
 module Gitlab
   module CycleAnalytics
     class PlanEventFetcher < BaseEventFetcher
+      include PlanHelper
+
       def initialize(*args)
-        @projections = [mr_diff_table[:id],
-                        issue_metrics_table[:first_mentioned_in_commit_at]]
+        @projections = [issue_table[:title],
+                        issue_table[:iid],
+                        issue_table[:id],
+                        issue_table[:created_at],
+                        issue_table[:author_id]]
 
         super(*args)
       end
 
-      def events_query
-        base_query
-          .join(mr_diff_table)
-          .on(mr_diff_table[:merge_request_id].eq(mr_table[:id]))
-
-        super
-      end
-
       private
 
-      def allowed_ids
-        nil
-      end
-
-      def merge_request_diff_commits
-        @merge_request_diff_commits ||=
-          MergeRequestDiffCommit
-            .where(merge_request_diff_id: event_result.map { |event| event['id'] })
-            .group_by(&:merge_request_diff_id)
-      end
-
       def serialize(event)
-        commit = first_time_reference_commit(event)
-
-        return unless commit
-
-        serialize_commit(event, commit, query)
-      end
-
-      def first_time_reference_commit(event)
-        return unless event && merge_request_diff_commits
-
-        commits = merge_request_diff_commits[event['id'].to_i]
-
-        return if commits.blank?
-
-        commits.find do |commit|
-          next unless commit[:committed_date] && event['first_mentioned_in_commit_at']
-
-          commit[:committed_date].to_i == DateTime.parse(event['first_mentioned_in_commit_at'].to_s).to_i
-        end
+        AnalyticsIssueSerializer.new(project: @project).represent(event)
       end
 
-      def serialize_commit(event, commit, query)
-        commit = Commit.from_hash(commit.to_hash, @project)
-
-        AnalyticsCommitSerializer.new(project: @project, total_time: event['total_time']).represent(commit)
+      def allowed_ids_finder_class
+        IssuesFinder
       end
     end
   end

lib/gitlab/cycle_analytics/plan_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module PlanHelper
+      def stage_query(project_ids)
+        query = issue_table.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(project_ids))
+          .where(issue_table[:created_at].gteq(@options[:from])) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+          .where(issue_metrics_table[:first_added_to_board_at].not_eq(nil).or(issue_metrics_table[:first_associated_with_milestone_at].not_eq(nil)))
+          .where(issue_metrics_table[:first_mentioned_in_commit_at].not_eq(nil))
+
+        query
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/plan_stage.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class PlanStage < BaseStage
+      include PlanHelper
+
       def start_time_attrs
         @start_time_attrs ||= [issue_metrics_table[:first_associated_with_milestone_at],
                                issue_metrics_table[:first_added_to_board_at]]
@@ -21,7 +23,7 @@ module Gitlab
       end
 
       def legend
-        _("Related Commits")
+        _("Related Issues")
       end
 
       def description

lib/gitlab/cycle_analytics/production_event_fetcher.rb

@@ -2,7 +2,28 @@
 
 module Gitlab
   module CycleAnalytics
-    class ProductionEventFetcher < IssueEventFetcher
+    class ProductionEventFetcher < BaseEventFetcher
+      include ProductionHelper
+
+      def initialize(*args)
+        @projections = [issue_table[:title],
+                        issue_table[:iid],
+                        issue_table[:id],
+                        issue_table[:created_at],
+                        issue_table[:author_id]]
+
+        super(*args)
+      end
+
+      private
+
+      def serialize(event)
+        AnalyticsIssueSerializer.new(project: @project).represent(event)
+      end
+
+      def allowed_ids_finder_class
+        IssuesFinder
+      end
     end
   end
 end

lib/gitlab/cycle_analytics/review_event_fetcher.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class ReviewEventFetcher < BaseEventFetcher
+      include ReviewHelper
+
       def initialize(*args)
         @projections = [mr_table[:title],
                         mr_table[:iid],

lib/gitlab/cycle_analytics/review_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module ReviewHelper
+      def stage_query(project_ids)
+        super(project_ids).where(mr_metrics_table[:merged_at].not_eq(nil))
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/review_stage.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class ReviewStage < BaseStage
+      include ReviewHelper
+
       def start_time_attrs
         @start_time_attrs ||= mr_table[:created_at]
       end

lib/gitlab/cycle_analytics/staging_event_fetcher.rb

@@ -3,34 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class StagingEventFetcher < BaseEventFetcher
-      def initialize(*args)
-        @projections = [build_table[:id]]
-        @order = build_table[:created_at]
-
-        super(*args)
-      end
-
-      def fetch
-        Updater.update!(event_result, from: 'id', to: 'build', klass: ::Ci::Build)
-
-        super
-      end
-
-      def events_query
-        base_query.join(build_table).on(mr_metrics_table[:pipeline_id].eq(build_table[:commit_id]))
-
-        super
-      end
-
-      private
-
-      def allowed_ids
-        nil
-      end
-
-      def serialize(event)
-        AnalyticsBuildSerializer.new.represent(event['build'])
-      end
+      include ProductionHelper
+      include BuildsEventHelper
     end
   end
 end

lib/gitlab/cycle_analytics/staging_stage.rb

@@ -4,6 +4,7 @@ module Gitlab
   module CycleAnalytics
     class StagingStage < BaseStage
       include ProductionHelper
+
       def start_time_attrs
         @start_time_attrs ||= mr_metrics_table[:merged_at]
       end

lib/gitlab/cycle_analytics/test_event_fetcher.rb

@@ -2,7 +2,9 @@
 
 module Gitlab
   module CycleAnalytics
-    class TestEventFetcher < StagingEventFetcher
+    class TestEventFetcher < BaseEventFetcher
+      include TestHelper
+      include BuildsEventHelper
     end
   end
 end

lib/gitlab/cycle_analytics/test_helper.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module TestHelper
+      def stage_query(project_ids)
+        if branch
+          super(project_ids).where(build_table[:ref].eq(branch))
+        else
+          super(project_ids)
+        end
+      end
+
+      private
+
+      def branch
+        @branch ||= @options[:branch] # rubocop:disable Gitlab/ModuleWithInstanceVariables
+      end
+    end
+  end
+end

lib/gitlab/cycle_analytics/test_stage.rb

@@ -3,6 +3,8 @@
 module Gitlab
   module CycleAnalytics
     class TestStage < BaseStage
+      include TestHelper
+
       def start_time_attrs
         @start_time_attrs ||= mr_metrics_table[:latest_build_started_at]
       end
@@ -26,14 +28,6 @@ module Gitlab
       def description
         _("Total test time for all commits/merges")
       end
-
-      def stage_query(project_ids)
-        if @options[:branch]
-          super(project_ids).where(build_table[:ref].eq(@options[:branch]))
-        else
-          super(project_ids)
-        end
-      end
     end
   end
 end

locale/gitlab.pot

@@ -4500,12 +4500,6 @@ msgstr ""
 msgid "First day of the week"
 msgstr ""
 
-msgid "FirstPushedBy|First"
-msgstr ""
-
-msgid "FirstPushedBy|pushed by"
-msgstr ""
-
 msgid "FlowdockService|Flowdock Git source token"
 msgstr ""
 
@@ -8313,9 +8307,6 @@ msgstr ""
 msgid "Registry"
 msgstr ""
 
-msgid "Related Commits"
-msgstr ""
-
 msgid "Related Deployed Jobs"
 msgstr ""
 

spec/features/cycle_analytics_spec.rb

@@ -58,7 +58,7 @@ describe 'Cycle Analytics', :js do
         expect_issue_to_be_present
 
         click_stage('Plan')
-        expect(find('.stage-events')).to have_content(mr.commits.last.title)
+        expect_issue_to_be_present
 
         click_stage('Code')
         expect_merge_request_to_be_present

spec/lib/gitlab/cycle_analytics/code_stage_spec.rb

@@ -4,5 +4,41 @@ require 'lib/gitlab/cycle_analytics/shared_stage_spec'
 describe Gitlab::CycleAnalytics::CodeStage do
   let(:stage_name) { :code }
 
+  let(:project) { create(:project) }
+  let!(:issue_1) { create(:issue, project: project, created_at: 90.minutes.ago) }
+  let!(:issue_2) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:issue_3) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:mr_1) { create(:merge_request, source_project: project, created_at: 15.minutes.ago) }
+  let!(:mr_2) { create(:merge_request, source_project: project, created_at: 10.minutes.ago, source_branch: 'A') }
+  let!(:mr_3) { create(:merge_request, source_project: project, created_at: 10.minutes.ago, source_branch: 'B') }
+  let(:stage) { described_class.new(project: project, options: { from: 2.days.ago, current_user: project.creator }) }
+
+  before do
+    issue_1.metrics.update!(first_associated_with_milestone_at: 60.minutes.ago, first_mentioned_in_commit_at: 45.minutes.ago)
+    issue_2.metrics.update!(first_added_to_board_at: 60.minutes.ago, first_mentioned_in_commit_at: 40.minutes.ago)
+    issue_3.metrics.update!(first_added_to_board_at: 60.minutes.ago, first_mentioned_in_commit_at: 40.minutes.ago)
+    create(:merge_requests_closing_issues, merge_request: mr_1, issue: issue_1)
+    create(:merge_requests_closing_issues, merge_request: mr_2, issue: issue_2)
+  end
+
   it_behaves_like 'base stage'
+
+  describe '#median' do
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    it 'counts median from issues with metrics' do
+      expect(stage.median).to eq(ISSUES_MEDIAN)
+    end
+  end
+
+  describe '#events' do
+    it 'exposes merge requests that closes issues' do
+      result = stage.events
+
+      expect(result.count).to eq(2)
+      expect(result.map { |event| event[:title] }).to contain_exactly(mr_1.title, mr_2.title)
+    end
+  end
 end

spec/lib/gitlab/cycle_analytics/events_spec.rb

@@ -53,20 +53,28 @@ describe 'cycle analytics events' do
   describe '#plan_events' do
     let(:stage) { :plan }
 
-    it 'has a title' do
-      expect(events.first[:title]).not_to be_nil
+    before do
+      create_commit_referencing_issue(context)
     end
 
-    it 'has a sha short ID' do
-      expect(events.first[:short_sha]).not_to be_nil
+    it 'has the total time' do
+      expect(events.first[:total_time]).not_to be_empty
+    end
+
+    it 'has a title' do
+      expect(events.first[:title]).to eq(context.title)
     end
 
     it 'has the URL' do
-      expect(events.first[:commit_url]).not_to be_nil
+      expect(events.first[:url]).not_to be_nil
     end
 
-    it 'has the total time' do
-      expect(events.first[:total_time]).not_to be_empty
+    it 'has an iid' do
+      expect(events.first[:iid]).to eq(context.iid.to_s)
+    end
+
+    it 'has a created_at timestamp' do
+      expect(events.first[:created_at]).to end_with('ago')
     end
 
     it "has the author's URL" do
@@ -78,12 +86,13 @@ describe 'cycle analytics events' do
     end
 
     it "has the author's name" do
-      expect(events.first[:author][:name]).not_to be_nil
+      expect(events.first[:author][:name]).to eq(context.author.name)
     end
   end
 
   describe '#code_events' do
     let(:stage) { :code }
+    let!(:merge_request) { MergeRequest.first }
 
     before do
       create_commit_referencing_issue(context)
@@ -122,6 +131,7 @@ describe 'cycle analytics events' do
     let(:stage) { :test }
 
     let(:merge_request) { MergeRequest.first }
+    let!(:context) { create(:issue, project: project, created_at: 2.days.ago) }
 
     let!(:pipeline) do
       create(:ci_pipeline,
@@ -137,6 +147,7 @@ describe 'cycle analytics events' do
 
       pipeline.run!
       pipeline.succeed!
+      merge_merge_requests_closing_issue(user, project, context)
     end
 
     it 'has the name' do
@@ -180,6 +191,10 @@ describe 'cycle analytics events' do
     let(:stage) { :review }
     let!(:context) { create(:issue, project: project, created_at: 2.days.ago) }
 
+    before do
+      merge_merge_requests_closing_issue(user, project, context)
+    end
+
     it 'has the total time' do
       expect(events.first[:total_time]).not_to be_empty
     end

spec/lib/gitlab/cycle_analytics/issue_stage_spec.rb

@@ -3,6 +3,37 @@ require 'lib/gitlab/cycle_analytics/shared_stage_spec'
 
 describe Gitlab::CycleAnalytics::IssueStage do
   let(:stage_name) { :issue }
+  let(:project) { create(:project) }
+  let!(:issue_1) { create(:issue, project: project, created_at: 90.minutes.ago) }
+  let!(:issue_2) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:issue_3) { create(:issue, project: project, created_at: 30.minutes.ago) }
+  let!(:issue_without_milestone) { create(:issue, project: project, created_at: 1.minute.ago) }
+  let(:stage) { described_class.new(project: project, options: { from: 2.days.ago, current_user: project.creator }) }
+
+  before do
+    issue_1.metrics.update!(first_associated_with_milestone_at: 60.minutes.ago )
+    issue_2.metrics.update!(first_added_to_board_at: 30.minutes.ago)
+    issue_3.metrics.update!(first_added_to_board_at: 15.minutes.ago)
+  end
 
   it_behaves_like 'base stage'
+
+  describe '#median' do
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    it 'counts median from issues with metrics' do
+      expect(stage.median).to eq(ISSUES_MEDIAN)
+    end
+  end
+
+  describe '#events' do
+    it 'exposes issues with metrics' do
+      result = stage.events
+
+      expect(result.count).to eq(3)
+      expect(result.map { |event| event[:title] }).to contain_exactly(issue_1.title, issue_2.title, issue_3.title)
+    end
+  end
 end

spec/lib/gitlab/cycle_analytics/plan_stage_spec.rb

@@ -3,6 +3,37 @@ require 'lib/gitlab/cycle_analytics/shared_stage_spec'
 
 describe Gitlab::CycleAnalytics::PlanStage do
   let(:stage_name) { :plan }
+  let(:project) { create(:project) }
+  let!(:issue_1) { create(:issue, project: project, created_at: 90.minutes.ago) }
+  let!(:issue_2) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:issue_3) { create(:issue, project: project, created_at: 30.minutes.ago) }
+  let!(:issue_without_milestone) { create(:issue, project: project, created_at: 1.minute.ago) }
+  let(:stage) { described_class.new(project: project, options: { from: 2.days.ago, current_user: project.creator }) }
+
+  before do
+    issue_1.metrics.update!(first_associated_with_milestone_at: 60.minutes.ago, first_mentioned_in_commit_at: 10.minutes.ago)
+    issue_2.metrics.update!(first_added_to_board_at: 30.minutes.ago, first_mentioned_in_commit_at: 20.minutes.ago)
+    issue_3.metrics.update!(first_added_to_board_at: 15.minutes.ago)
+  end
 
   it_behaves_like 'base stage'
+
+  describe '#median' do
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    it 'counts median from issues with metrics' do
+      expect(stage.median).to eq(ISSUES_MEDIAN)
+    end
+  end
+
+  describe '#events' do
+    it 'exposes issues with metrics' do
+      result = stage.events
+
+      expect(result.count).to eq(2)
+      expect(result.map { |event| event[:title] }).to contain_exactly(issue_1.title, issue_2.title)
+    end
+  end
 end

spec/lib/gitlab/cycle_analytics/review_stage_spec.rb

@@ -3,6 +3,43 @@ require 'lib/gitlab/cycle_analytics/shared_stage_spec'
 
 describe Gitlab::CycleAnalytics::ReviewStage do
   let(:stage_name) { :review }
+  let(:project) { create(:project) }
+  let!(:issue_1) { create(:issue, project: project, created_at: 90.minutes.ago) }
+  let!(:issue_2) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:issue_3) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:mr_1) { create(:merge_request, :closed, source_project: project, created_at: 60.minutes.ago) }
+  let!(:mr_2) { create(:merge_request, :closed, source_project: project, created_at: 40.minutes.ago, source_branch: 'A') }
+  let!(:mr_3) { create(:merge_request, source_project: project, created_at: 10.minutes.ago, source_branch: 'B') }
+  let!(:mr_4) { create(:merge_request, source_project: project, created_at: 10.minutes.ago, source_branch: 'C') }
+  let(:stage) { described_class.new(project: project, options: { from: 2.days.ago, current_user: project.creator }) }
+
+  before do
+    mr_1.metrics.update!(merged_at: 30.minutes.ago)
+    mr_2.metrics.update!(merged_at: 10.minutes.ago)
+
+    create(:merge_requests_closing_issues, merge_request: mr_1, issue: issue_1)
+    create(:merge_requests_closing_issues, merge_request: mr_2, issue: issue_2)
+    create(:merge_requests_closing_issues, merge_request: mr_3, issue: issue_3)
+  end
 
   it_behaves_like 'base stage'
+
+  describe '#median' do
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    it 'counts median from issues with metrics' do
+      expect(stage.median).to eq(ISSUES_MEDIAN)
+    end
+  end
+
+  describe '#events' do
+    it 'exposes merge requests that close issues' do
+      result = stage.events
+
+      expect(result.count).to eq(2)
+      expect(result.map { |event| event[:title] }).to contain_exactly(mr_1.title, mr_2.title)
+    end
+  end
 end

spec/lib/gitlab/cycle_analytics/shared_stage_spec.rb

 require 'spec_helper'
 
 shared_examples 'base stage' do
+  ISSUES_MEDIAN = 30.minutes.to_i
+
   let(:stage) { described_class.new(project: double, options: {}) }
 
   before do

spec/lib/gitlab/cycle_analytics/staging_stage_spec.rb

@@ -4,5 +4,46 @@ require 'lib/gitlab/cycle_analytics/shared_stage_spec'
 describe Gitlab::CycleAnalytics::StagingStage do
   let(:stage_name) { :staging }
 
+  let(:project) { create(:project) }
+  let!(:issue_1) { create(:issue, project: project, created_at: 90.minutes.ago) }
+  let!(:issue_2) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:issue_3) { create(:issue, project: project, created_at: 60.minutes.ago) }
+  let!(:mr_1) { create(:merge_request, :closed, source_project: project, created_at: 60.minutes.ago) }
+  let!(:mr_2) { create(:merge_request, :closed, source_project: project, created_at: 40.minutes.ago, source_branch: 'A') }
+  let!(:mr_3) { create(:merge_request, source_project: project, created_at: 10.minutes.ago, source_branch: 'B') }
+  let(:build_1) { create(:ci_build, project: project) }
+  let(:build_2) { create(:ci_build, project: project) }
+
+  let(:stage) { described_class.new(project: project, options: { from: 2.days.ago, current_user: project.creator }) }
+
+  before do
+    mr_1.metrics.update!(merged_at: 80.minutes.ago, first_deployed_to_production_at: 50.minutes.ago, pipeline_id: build_1.commit_id)
+    mr_2.metrics.update!(merged_at: 60.minutes.ago, first_deployed_to_production_at: 30.minutes.ago, pipeline_id: build_2.commit_id)
+    mr_3.metrics.update!(merged_at: 10.minutes.ago, first_deployed_to_production_at: 3.days.ago, pipeline_id: create(:ci_build, project: project).commit_id)
+
+    create(:merge_requests_closing_issues, merge_request: mr_1, issue: issue_1)
+    create(:merge_requests_closing_issues, merge_request: mr_2, issue: issue_2)
+    create(:merge_requests_closing_issues, merge_request: mr_3, issue: issue_3)
+  end
+
   it_behaves_like 'base stage'
+
+  describe '#median' do
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    it 'counts median from issues with metrics' do
+      expect(stage.median).to eq(ISSUES_MEDIAN)
+    end
+  end
+
+  describe '#events' do
+    it 'exposes builds connected to merge request' do
+      result = stage.events
+
+      expect(result.count).to eq(2)
+      expect(result.map { |event| event[:name] }).to contain_exactly(build_1.name, build_2.name)
+    end
+  end
 end

spec/requests/projects/cycle_analytics_events_spec.rb

@@ -32,10 +32,10 @@ describe 'cycle analytics events' do
     it 'lists the plan events' do
       get project_cycle_analytics_plan_path(project, format: :json)
 
-      first_mr_short_sha = project.merge_requests.sort_by_attribute(:created_asc).first.commits.first.short_id
+      first_issue_iid = project.issues.sort_by_attribute(:created_desc).pluck(:iid).first.to_s
 
       expect(json_response['events']).not_to be_empty
-      expect(json_response['events'].first['short_sha']).to eq(first_mr_short_sha)
+      expect(json_response['events'].first['iid']).to eq(first_issue_iid)
     end
 
     it 'lists the code events' do