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, 15 insertions, 0 deletions

diff --git a/spec/models/release_spec.rb b/spec/models/release_spec.rb
index e9d846e7291..29ce9f762b0 100644
--- a/spec/models/release_spec.rb
+++ b/spec/models/release_spec.rb
@@ -13,6 +13,7 @@ RSpec.describe Release do
     it { is_expected.to belong_to(:project) }
     it { is_expected.to belong_to(:author).class_name('User') }
     it { is_expected.to have_many(:links).class_name('Releases::Link') }
+    it { is_expected.to have_one(:milestone) }
   end
 
   describe 'validation' do
@@ -34,6 +35,20 @@ RSpec.describe Release do
         expect(existing_release_without_name.name).to be_nil
       end
     end
+
+    context 'when a release is tied to a milestone for another project' do
+      it 'creates a validation error' do
+        release.milestone = build(:milestone, project: create(:project))
+        expect(release).not_to be_valid
+      end
+    end
+
+    context 'when a release is tied to a milestone linked to the same project' do
+      it 'is valid' do
+        release.milestone = build(:milestone, project: project)
+        expect(release).to be_valid
+      end
+    end
   end
 
   describe '#assets_count' do