Merge branch 'ee-6470-milestone-dates-integrated-into-epics' into 'master'

CE port of "Add date fields to Epic to enable dates to source from milestones"

See merge request gitlab-org/gitlab-ce!20687

spec/factories/milestones.rb

@@ -18,6 +18,11 @@ FactoryBot.define do
       state "closed"
     end
+    trait :with_dates do
+      start_date { Date.new(2000, 1, 1) }
+      due_date { Date.new(2000, 1, 30) }
+    end
+
     after(:build, :stub) do |milestone, evaluator|
       if evaluator.group
         milestone.group = evaluator.group

spec/services/milestones/update_service_spec.rb

+# frozen_string_literal: true
+require 'spec_helper'
+
+describe Milestones::UpdateService do
+  let(:project) { create(:project) }
+  let(:user) { build(:user) }
+  let(:milestone) { create(:milestone, project: project) }
+
+  describe '#execute' do
+    context "valid params" do
+      let(:inner_service) { double(:service) }
+
+      before do
+        project.add_maintainer(user)
+      end
+
+      subject { described_class.new(project, user, { title: 'new_title' }).execute(milestone) }
+
+      it { expect(subject).to be_valid }
+      it { expect(subject.title).to eq('new_title') }
+
+      context 'state_event is activate' do
+        it 'calls ReopenService' do
+          expect(Milestones::ReopenService).to receive(:new).with(project, user, {}).and_return(inner_service)
+          expect(inner_service).to receive(:execute).with(milestone)
+
+          described_class.new(project, user, { state_event: 'activate' }).execute(milestone)
+        end
+      end
+
+      context 'state_event is close' do
+        it 'calls ReopenService' do
+          expect(Milestones::CloseService).to receive(:new).with(project, user, {}).and_return(inner_service)
+          expect(inner_service).to receive(:execute).with(milestone)
+
+          described_class.new(project, user, { state_event: 'close' }).execute(milestone)
+        end
+      end
+    end
+  end
+end

spec/services/notes/create_service_spec.rb

@@ -145,7 +145,9 @@ describe Notes::CreateService do
           let(:note_text) { %(HELLO\n/close\n/assign @#{user.username}\nWORLD) }
           it 'saves the note and does not alter the note text' do
-            expect_any_instance_of(Issues::UpdateService).to receive(:execute).and_call_original
+            service = double(:service)
+            allow(Issues::UpdateService).to receive(:new).and_return(service)
+            expect(service).to receive(:execute)
             note = described_class.new(project, user, opts.merge(note: note_text)).execute

spec/support/shared_examples/services/boards/issues_move_service.rb

@@ -4,7 +4,9 @@ shared_examples 'issues move service' do |group|
     let(:params) { { board_id: board1.id, from_list_id: list1.id, to_list_id: list2.id } }
     it 'delegates the label changes to Issues::UpdateService' do
-      expect_any_instance_of(Issues::UpdateService).to receive(:execute).with(issue).once
+      service = double(:service)
+      expect(Issues::UpdateService).to receive(:new).and_return(service)
+      expect(service).to receive(:execute).with(issue).once
       described_class.new(parent, user, params).execute(issue)
     end