1 files changed, 52 insertions, 0 deletions
diff --git a/spec/lib/atlassian/jira_connect/serializers/build_entity_spec.rb b/spec/lib/atlassian/jira_connect/serializers/build_entity_spec.rb
new file mode 100644
index 00000000000..52e475d20ca
--- /dev/null
+++ b/spec/lib/atlassian/jira_connect/serializers/build_entity_spec.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Atlassian::JiraConnect::Serializers::BuildEntity do
+  let_it_be(:user) { create_default(:user) }
+  let_it_be(:project) { create_default(:project) }
+
+  subject { described_class.represent(pipeline) }
+
+  context 'when the pipeline does not belong to any Jira issue' do
+    let_it_be(:pipeline) { create(:ci_pipeline) }
+
+    describe '#issue_keys' do
+      it 'is empty' do
+        expect(subject.issue_keys).to be_empty
+      end
+    end
+
+    describe '#to_json' do
+      it 'can encode the object' do
+        expect(subject.to_json).to be_valid_json
+      end
+
+      it 'is invalid, since it has no issue keys' do
+        expect(subject.to_json).not_to be_valid_json.according_to_schema(Atlassian::Schemata.build_info)
+      end
+    end
+  end
+
+  context 'when the pipeline does belong to a Jira issue' do
+    let(:pipeline) { create(:ci_pipeline, merge_request: merge_request) }
+
+    %i[jira_branch jira_title].each do |trait|
+      context "because it belongs to an MR with a #{trait}" do
+        let(:merge_request) { create(:merge_request, trait) }
+
+        describe '#issue_keys' do
+          it 'is not empty' do
+            expect(subject.issue_keys).not_to be_empty
+          end
+        end
+
+        describe '#to_json' do
+          it 'is valid according to the build info schema' do
+            expect(subject.to_json).to be_valid_json.according_to_schema(Atlassian::Schemata.build_info)
+          end
+        end
+      end
+    end
+  end
+end