Added relationships between Release and Milestone

Modified schema via migrations.
Added one-to-one relationship between the two models.
Added changelog file

1 files changed, 14 insertions, 0 deletions

diff --git a/spec/services/milestones/destroy_service_spec.rb b/spec/services/milestones/destroy_service_spec.rb
index 3a22e4d4f92..ff1e1256166 100644
--- a/spec/services/milestones/destroy_service_spec.rb
+++ b/spec/services/milestones/destroy_service_spec.rb
@@ -65,5 +65,19 @@ describe Milestones::DestroyService do
         expect { service.execute(group_milestone) }.not_to change { Event.count }
       end
     end
+
+    context 'when a release is tied to a milestone' do
+      it 'destroys the milestone but not the associated release' do
+        release = create(
+          :release,
+          tag: 'v1.0',
+          project: project,
+          milestone: milestone
+        )
+
+        expect { service.execute(milestone) }.not_to change { Release.count }
+        expect(release.reload).to be_persisted
+      end
+    end
   end
 end