1 files changed, 89 insertions, 11 deletions

diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index a91be3b4472..73d0b7f7abe 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -3,16 +3,29 @@ require 'spec_helper'
 describe Issues::UpdateService do
   let(:user) { create(:user) }
   let(:user2) { create(:user) }
-  let(:issue) { create(:issue, title: 'Old title') }
+  let(:user3) { create(:user) }
+  let(:issue) { create(:issue, title: 'Old title', assignee_id: user3.id) }
   let(:label) { create(:label) }
   let(:project) { issue.project }
 
   before do
     project.team << [user, :master]
     project.team << [user2, :developer]
+    project.team << [user3, :developer]
   end
 
   describe 'execute' do
+    def find_note(starting_with)
+      @issue.notes.find do |note|
+        note && note.note.start_with?(starting_with)
+      end
+    end
+
+    def update_issue(opts)
+      @issue = Issues::UpdateService.new(project, user, opts).execute(issue)
+      @issue.reload
+    end
+
     context "valid params" do
       before do
         opts = {
@@ -23,7 +36,10 @@ describe Issues::UpdateService do
           label_ids: [label.id]
         }
 
-        @issue = Issues::UpdateService.new(project, user, opts).execute(issue)
+        perform_enqueued_jobs do
+          @issue = Issues::UpdateService.new(project, user, opts).execute(issue)
+        end
+
         @issue.reload
       end
 
@@ -34,18 +50,14 @@ describe Issues::UpdateService do
       it { expect(@issue.labels.count).to eq(1) }
       it { expect(@issue.labels.first.title).to eq('Bug') }
 
-      it 'should send email to user2 about assign of new issue' do
-        email = ActionMailer::Base.deliveries.last
-        expect(email.to.first).to eq(user2.email)
+      it 'should send email to user2 about assign of new issue and email to user3 about issue unassignment' do
+        deliveries = ActionMailer::Base.deliveries
+        email = deliveries.last
+        recipients = deliveries.last(2).map(&:to).flatten
+        expect(recipients).to include(user2.email, user3.email)
         expect(email.subject).to include(issue.title)
       end
 
-      def find_note(starting_with)
-        @issue.notes.find do |note|
-          note && note.note.start_with?(starting_with)
-        end
-      end
-
       it 'should create system note about issue reassign' do
         note = find_note('Reassigned to')
 
@@ -67,5 +79,71 @@ describe Issues::UpdateService do
         expect(note.note).to eq 'Title changed from **Old title** to **New title**'
       end
     end
+
+    context 'when Issue has tasks' do
+      before { update_issue({ description: "- [ ] Task 1\n- [ ] Task 2" }) }
+
+      it { expect(@issue.tasks?).to eq(true) }
+
+      context 'when tasks are marked as completed' do
+        before { update_issue({ description: "- [x] Task 1\n- [X] Task 2" }) }
+
+        it 'creates system note about task status change' do
+          note1 = find_note('Marked the task **Task 1** as completed')
+          note2 = find_note('Marked the task **Task 2** as completed')
+
+          expect(note1).not_to be_nil
+          expect(note2).not_to be_nil
+        end
+      end
+
+      context 'when tasks are marked as incomplete' do
+        before do
+          update_issue({ description: "- [x] Task 1\n- [X] Task 2" })
+          update_issue({ description: "- [ ] Task 1\n- [ ] Task 2" })
+        end
+
+        it 'creates system note about task status change' do
+          note1 = find_note('Marked the task **Task 1** as incomplete')
+          note2 = find_note('Marked the task **Task 2** as incomplete')
+
+          expect(note1).not_to be_nil
+          expect(note2).not_to be_nil
+        end
+      end
+
+      context 'when tasks position has been modified' do
+        before do
+          update_issue({ description: "- [x] Task 1\n- [X] Task 2" })
+          update_issue({ description: "- [x] Task 1\n- [ ] Task 3\n- [ ] Task 2" })
+        end
+
+        it 'does not create a system note' do
+          note = find_note('Marked the task **Task 2** as incomplete')
+
+          expect(note).to be_nil
+        end
+      end
+
+      context 'when a Task list with a completed item is totally replaced' do
+        before do
+          update_issue({ description: "- [ ] Task 1\n- [X] Task 2" })
+          update_issue({ description: "- [ ] One\n- [ ] Two\n- [ ] Three" })
+        end
+
+        it 'does not create a system note referencing the position the old item' do
+          note = find_note('Marked the task **Two** as incomplete')
+
+          expect(note).to be_nil
+        end
+
+        it 'should not generate a new note at all' do
+          expect do
+            update_issue({ description: "- [ ] One\n- [ ] Two\n- [ ] Three" })
+          end.not_to change { Note.count }
+        end
+      end
+    end
+
   end
 end