1 files changed, 57 insertions, 3 deletions
diff --git a/spec/serializers/evidences/evidence_entity_spec.rb b/spec/serializers/evidences/evidence_entity_spec.rb
index 531708e3be6..fa13bd21edd 100644
--- a/spec/serializers/evidences/evidence_entity_spec.rb
+++ b/spec/serializers/evidences/evidence_entity_spec.rb
@@ -3,12 +3,66 @@
 require 'spec_helper'
 
 describe Evidences::EvidenceEntity do
-  let(:evidence) { build(:evidence) }
-  let(:entity) { described_class.new(evidence) }
+  let_it_be(:project) { create(:project) }
+  let(:release) { create(:release, project: project) }
+  let(:evidence) { build(:evidence, release: release) }
+  let(:schema_file) { 'evidences/evidence' }
 
-  subject { entity.as_json }
+  subject { described_class.new(evidence).as_json }
 
   it 'exposes the expected fields' do
     expect(subject.keys).to contain_exactly(:release)
   end
+
+  context 'when a release is associated to a milestone' do
+    let(:milestone) { create(:milestone, project: project) }
+    let(:release) { create(:release, project: project, milestones: [milestone]) }
+
+    context 'when a milestone has no issue associated with it' do
+      it 'creates a valid JSON object' do
+        expect(subject[:release][:milestones].first[:issues]).to be_empty
+        expect(subject.to_json).to match_schema(schema_file)
+      end
+    end
+
+    context 'when a milestone has no description' do
+      let(:milestone) { create(:milestone, project: project, description: nil) }
+
+      it 'creates a valid JSON object' do
+        expect(subject[:release][:milestones].first[:description]).to be_nil
+        expect(subject.to_json).to match_schema(schema_file)
+      end
+    end
+
+    context 'when a milestone has no due_date' do
+      let(:milestone) { create(:milestone, project: project, due_date: nil) }
+
+      it 'creates a valid JSON object' do
+        expect(subject[:release][:milestones].first[:due_date]).to be_nil
+        expect(subject.to_json).to match_schema(schema_file)
+      end
+    end
+
+    context 'when a milestone has an issue' do
+      context 'when the issue has no description' do
+        let(:issue) { create(:issue, project: project, description: nil, state: 'closed') }
+
+        before do
+          milestone.issues << issue
+        end
+
+        it 'creates a valid JSON object' do
+          expect(subject[:release][:milestones].first[:issues].first[:title]).to be_present
+          expect(subject.to_json).to match_schema(schema_file)
+        end
+      end
+    end
+  end
+
+  context 'when a release is not associated to any milestone' do
+    it 'creates a valid JSON object' do
+      expect(subject[:release][:milestones]).to be_empty
+      expect(subject.to_json).to match_schema(schema_file)
+    end
+  end
 end