Test all cycle analytics pre-calculation code.

All the code that pre-calculates metrics for use in the cycle analytics
page.

- Ci::Pipeline -> build start/finish
- Ci::Pipeline#merge_requests
- Issue -> record default metrics after save
- MergeRequest -> record default metrics after save
- Deployment -> Update "first_deployed_to_production_at" for MR metrics
- Git Push -> Update "first commit mention" for issue metrics
- Merge request create/update/refresh -> Update "merge requests closing issues"

1 files changed, 37 insertions, 0 deletions

diff --git a/spec/services/git_push_service_spec.rb b/spec/services/git_push_service_spec.rb
index 6ac1fa8f182..125110e0c37 100644
--- a/spec/services/git_push_service_spec.rb
+++ b/spec/services/git_push_service_spec.rb
@@ -324,6 +324,43 @@ describe GitPushService, services: true do
     end
   end
 
+  describe "issue metrics" do
+    let(:issue) { create :issue, project: project }
+    let(:commit_author) { create :user }
+    let(:commit) { project.commit }
+    let(:commit_time) { Time.now }
+
+    before do
+      project.team << [commit_author, :developer]
+      project.team << [user, :developer]
+
+      allow(commit).to receive_messages(
+        safe_message: "this commit \n mentions #{issue.to_reference}",
+        references: [issue],
+        author_name: commit_author.name,
+        author_email: commit_author.email,
+        committed_date: commit_time
+      )
+
+      allow(project.repository).to receive(:commits_between).and_return([commit])
+    end
+
+    context "while saving the 'first_mentioned_in_commit_at' metric for an issue" do
+      it 'sets the metric for referenced issues' do
+        execute_service(project, user, @oldrev, @newrev, @ref)
+
+        expect(issue.metrics.first_mentioned_in_commit_at).to eq(commit_time)
+      end
+
+      it 'does not set the metric for non-referenced issues' do
+        non_referenced_issue = create(:issue, project: project)
+        execute_service(project, user, @oldrev, @newrev, @ref)
+
+        expect(non_referenced_issue.metrics.first_mentioned_in_commit_at).to be_nil
+      end
+    end
+  end
+
   describe "closing issues from pushed commits containing a closing reference" do
     let(:issue) { create :issue, project: project }
     let(:other_issue) { create :issue, project: project }