Merge branch '32844-issuables-performance' into 'master'

Issuables: Move some code from create services to Sidekiq workers

See merge request !13326

5 files changed, 122 insertions, 10 deletions

diff --git a/spec/features/issues/create_branch_merge_request_spec.rb b/spec/features/issues/create_branch_merge_request_spec.rb
index f59f687cf51..546dc7e8a49 100644
--- a/spec/features/issues/create_branch_merge_request_spec.rb
+++ b/spec/features/issues/create_branch_merge_request_spec.rb
@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-feature 'Create Branch/Merge Request Dropdown on issue page', js: true do
+feature 'Create Branch/Merge Request Dropdown on issue page', :feature, :js do
   let(:user) { create(:user) }
   let!(:project) { create(:project, :repository) }
   let(:issue) { create(:issue, project: project, title: 'Cherry-Coloured Funk') }
@@ -14,10 +14,14 @@ feature 'Create Branch/Merge Request Dropdown on issue page', js: true do
     it 'allows creating a merge request from the issue page' do
       visit project_issue_path(project, issue)
 
-      select_dropdown_option('create-mr')
-      
-      expect(page).to have_content('WIP: Resolve "Cherry-Coloured Funk"')
-      expect(current_path).to eq(project_merge_request_path(project, MergeRequest.first))
+      perform_enqueued_jobs do
+        select_dropdown_option('create-mr')
+
+        expect(page).to have_content('WIP: Resolve "Cherry-Coloured Funk"')
+        expect(current_path).to eq(project_merge_request_path(project, MergeRequest.first))
+
+        wait_for_requests
+      end
 
       visit project_issue_path(project, issue)
 
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index fa22eee3dea..c055863d298 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -191,14 +191,10 @@ describe Issue do
     end
 
     it 'returns the merge request to close this issue' do
-      mr
-
       expect(issue.closed_by_merge_requests(mr.author)).to eq([mr])
     end
 
     it "returns an empty array when the merge request is closed already" do
-      closed_mr
-
       expect(issue.closed_by_merge_requests(closed_mr.author)).to eq([])
     end
 
diff --git a/spec/support/cycle_analytics_helpers.rb b/spec/support/cycle_analytics_helpers.rb
index c0a5491a430..30911e7fa86 100644
--- a/spec/support/cycle_analytics_helpers.rb
+++ b/spec/support/cycle_analytics_helpers.rb
@@ -41,7 +41,9 @@ module CycleAnalyticsHelpers
       target_branch: 'master'
     }
 
-    MergeRequests::CreateService.new(project, user, opts).execute
+    mr = MergeRequests::CreateService.new(project, user, opts).execute
+    NewMergeRequestWorker.new.perform(mr, user)
+    mr
   end
 
   def merge_merge_requests_closing_issue(issue)
diff --git a/spec/workers/new_issue_worker_spec.rb b/spec/workers/new_issue_worker_spec.rb
new file mode 100644
index 00000000000..ed49ce57c0b
--- /dev/null
+++ b/spec/workers/new_issue_worker_spec.rb
@@ -0,0 +1,54 @@
+require 'spec_helper'
+
+describe NewIssueWorker do
+  describe '#perform' do
+    let(:worker) { described_class.new }
+
+    context 'when an issue not found' do
+      it 'does not call Services' do
+        expect(EventCreateService).not_to receive(:new)
+        expect(NotificationService).not_to receive(:new)
+
+        worker.perform(99, create(:user).id)
+      end
+
+      it 'logs an error' do
+        expect(Rails.logger).to receive(:error).with('NewIssueWorker: couldn\'t find Issue with ID=99, skipping job')
+
+        worker.perform(99, create(:user).id)
+      end
+    end
+
+    context 'when a user not found' do
+      it 'does not call Services' do
+        expect(EventCreateService).not_to receive(:new)
+        expect(NotificationService).not_to receive(:new)
+
+        worker.perform(create(:issue).id, 99)
+      end
+
+      it 'logs an error' do
+        expect(Rails.logger).to receive(:error).with('NewIssueWorker: couldn\'t find User with ID=99, skipping job')
+
+        worker.perform(create(:issue).id, 99)
+      end
+    end
+
+    context 'when everything is ok' do
+      let(:project) { create(:project, :public) }
+      let(:mentioned) { create(:user) }
+      let(:user) { create(:user) }
+      let(:issue) { create(:issue, project: project, description: "issue for #{mentioned.to_reference}") }
+
+      it 'creates a new event record' do
+        expect{ worker.perform(issue.id, user.id) }.to change { Event.count }.from(0).to(1)
+      end
+
+      it 'creates a notification for the assignee' do
+        expect(Notify).to receive(:new_issue_email).with(mentioned.id, issue.id).and_return(double(deliver_later: true))
+
+        worker.perform(issue.id, user.id)
+      end
+    end
+  end
+end
diff --git a/spec/workers/new_merge_request_worker_spec.rb b/spec/workers/new_merge_request_worker_spec.rb
new file mode 100644
index 00000000000..85af6184d39
--- /dev/null
+++ b/spec/workers/new_merge_request_worker_spec.rb
@@ -0,0 +1,56 @@
+require 'spec_helper'
+
+describe NewMergeRequestWorker do
+  describe '#perform' do
+    let(:worker) { described_class.new }
+
+    context 'when a merge request not found' do
+      it 'does not call Services' do
+        expect(EventCreateService).not_to receive(:new)
+        expect(NotificationService).not_to receive(:new)
+
+        worker.perform(99, create(:user).id)
+      end
+
+      it 'logs an error' do
+        expect(Rails.logger).to receive(:error).with('NewMergeRequestWorker: couldn\'t find MergeRequest with ID=99, skipping job')
+
+        worker.perform(99, create(:user).id)
+      end
+    end
+
+    context 'when a user not found' do
+      it 'does not call Services' do
+        expect(EventCreateService).not_to receive(:new)
+        expect(NotificationService).not_to receive(:new)
+
+        worker.perform(create(:merge_request).id, 99)
+      end
+
+      it 'logs an error' do
+        expect(Rails.logger).to receive(:error).with('NewMergeRequestWorker: couldn\'t find User with ID=99, skipping job')
+
+        worker.perform(create(:merge_request).id, 99)
+      end
+    end
+
+    context 'when everything is ok' do
+      let(:project) { create(:project, :public) }
+      let(:mentioned) { create(:user) }
+      let(:user) { create(:user) }
+      let(:merge_request) do
+        create(:merge_request, source_project: project, description: "mr for #{mentioned.to_reference}")
+      end
+
+      it 'creates a new event record' do
+        expect{ worker.perform(merge_request.id, user.id) }.to change { Event.count }.from(0).to(1)
+      end
+
+      it 'creates a notification for the assignee' do
+        expect(Notify).to receive(:new_merge_request_email).with(mentioned.id, merge_request.id).and_return(double(deliver_later: true))
+
+        worker.perform(merge_request.id, user.id)
+      end
+    end
+  end
+end