Added and fixed tests releated to Release services

Added tests for Create and Update release services.
Fixed DestroyService release rspec test.

app/services/releases/create_service.rb

@@ -49,7 +49,6 @@ module Releases
 
       success(tag: tag, release: release)
     rescue => e
-      binding.pry
       error(e.message, 400)
     end
 

spec/services/milestones/destroy_service_spec.rb

@@ -72,7 +72,7 @@ describe Milestones::DestroyService do
           :release,
           tag: 'v1.0',
           project: project,
-          milestone: milestone
+          milestones: [milestone]
         )
 
         expect { service.execute(milestone) }.not_to change { Release.count }

spec/services/releases/create_service_spec.rb

@@ -122,6 +122,41 @@ describe Releases::CreateService do
       end
     end
 
+    context 'when multiple existing milestone titles are passed in' do
+      let(:title_1) { 'v1.0' }
+      let(:title_2) { 'v1.0-rc' }
+      let!(:milestone_1) { create(:milestone, :active, project: project, title: title_1) }
+      let!(:milestone_2) { create(:milestone, :active, project: project, title: title_2) }
+      let!(:params_with_milestones) { params.merge!({ milestones: [title_1, title_2] }) }
+
+      it 'creates a release and ties it to these milestones' do
+        described_class.new(project, user, params_with_milestones).execute
+
+        release = project.releases.last
+        expect(release.milestones.map(&:title)).to include(title_1, title_2)
+      end
+    end
+
+    context 'when multiple miletone titles are passed in but one of them does not exist' do
+      let(:title) { 'v1.0' }
+      let(:inexistent_title) { 'v111.0' }
+      let!(:milestone) { create(:milestone, :active, project: project, title: title) }
+      let!(:params_with_milestones) { params.merge!({ milestones: [title, inexistent_title] }) }
+
+      it 'raises an error' do
+        result = described_class.new(milestone.project, user, params_with_milestones).execute
+
+        expect(result[:status]).to eq(:error)
+        expect(result[:message]).to eq("Inexistent milestone(s): #{inexistent_title}")
+      end
+
+      it 'does not create any release' do
+        expect do
+          described_class.new(milestone.project, user, params_with_milestones).execute
+        end.not_to change(Release, :count)
+      end
+    end
+
     context 'when no milestone is passed in' do
       it 'creates a release without a milestone tied to it' do
         expect(params.key? :milestones).to be_falsey

spec/services/releases/destroy_service_spec.rb

@@ -60,7 +60,7 @@ describe Releases::DestroyService do
 
     context 'when a milestone is tied to the release' do
       let!(:milestone) { create(:milestone, :active, project: project, title: 'v1.0') }
-      let!(:release) { create(:release, milestone: milestone, project: project, tag: tag) }
+      let!(:release) { create(:release, milestones: [milestone], project: project, tag: tag) }
 
       it 'destroys the release but leave the milestone intact' do
         expect { subject }.not_to change { Milestone.count }

spec/services/releases/update_service_spec.rb

@@ -83,5 +83,27 @@ describe Releases::UpdateService do
         expect(release.milestones).not_to be_present
       end
     end
+
+    context "when multiple new milestones are passed in" do
+      let(:old_title) { 'v1.0' }
+      let(:new_title_1) { 'v2.0' }
+      let(:new_title_2) { 'v2.0-rc' }
+      let(:milestone) { create(:milestone, project: project, title: old_title) }
+      let(:new_milestone_1) { create(:milestone, project: project, title: new_title_1) }
+      let!(:new_milestone_2) { create(:milestone, project: project, title: new_title_2) }
+      let(:params_with_milestones) { params.merge!({ milestones: [new_title_1, new_title_2] }) }
+
+      before do
+        release.milestones << milestone
+
+        described_class.new(new_milestone_1.project, user, params_with_milestones).execute
+        release.reload
+      end
+
+      it 'removes the old milestone and update the release with the new ones' do
+        expect(release.milestones.map(&:title)).to include(new_title_1, new_title_2)
+        expect(release.milestones.map(&:title)).not_to include(old_title)
+      end
+    end
   end
 end