Destroy releases when delete a tag

ok

ok

ok

ok

app/services/releases/destroy_service.rb

@@ -5,7 +5,6 @@ module Releases
     include Releases::Concerns
 
     def execute
-      return error('Tag does not exist', 404) unless existing_tag
       return error('Release does not exist', 404) unless release
       return error('Access Denied', 403) unless allowed?
 

changelogs/unreleased/delete-release-when-delete-tag.yml

+---
+title: Releases will now be automatically deleted when deleting corresponding tag
+merge_request: 26530
+author:
+type: fixed

spec/services/releases/destroy_service_spec.rb

@@ -28,13 +28,11 @@ describe Releases::DestroyService do
       end
     end
 
-    context 'when tag is not found' do
+    context 'when tag does not exist in the repository' do
       let(:tag) { 'v1.1.1' }
 
-      it 'returns an error' do
-        is_expected.to include(status: :error,
-                               message: 'Tag does not exist',
-                               http_status: 404)
+      it 'removes the orphaned release' do
+        expect { subject }.to change { project.releases.count }.by(-1)
       end
     end
 

spec/services/tags/destroy_service_spec.rb

@@ -7,11 +7,27 @@ describe Tags::DestroyService do
   let(:service) { described_class.new(project, user) }
 
   describe '#execute' do
+    subject { service.execute(tag_name) }
+
     it 'removes the tag' do
       expect(repository).to receive(:before_remove_tag)
       expect(service).to receive(:success)
 
       service.execute('v1.1.0')
     end
+
+    context 'when there is an associated release on the tag' do
+      let(:tag) { repository.tags.first }
+      let(:tag_name) { tag.name }
+
+      before do
+        project.add_maintainer(user)
+        create(:release, tag: tag_name, project: project)
+      end
+
+      it 'destroys the release' do
+        expect { subject }.to change { project.releases.count }.by(-1)
+      end
+    end
   end
 end