1 files changed, 45 insertions, 0 deletions
diff --git a/spec/serializers/merge_requests/pipeline_entity_spec.rb b/spec/serializers/merge_requests/pipeline_entity_spec.rb
new file mode 100644
index 00000000000..8685d4bb846
--- /dev/null
+++ b/spec/serializers/merge_requests/pipeline_entity_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe MergeRequests::PipelineEntity do
+  let_it_be(:project) { create(:project, :repository) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+
+  let(:request) { double('request') }
+
+  before do
+    stub_not_protect_default_branch
+
+    allow(request).to receive(:current_user).and_return(user)
+    allow(request).to receive(:project).and_return(project)
+  end
+
+  let(:entity) do
+    described_class.represent(pipeline, request: request)
+  end
+
+  subject { entity.as_json }
+
+  describe '#as_json' do
+    it 'contains required fields' do
+      is_expected.to include(
+        :id, :path, :active, :coverage, :ref, :commit, :details,
+        :flags, :triggered, :triggered_by
+      )
+      expect(subject[:commit]).to include(:short_id, :commit_path)
+      expect(subject[:ref]).to include(:branch)
+      expect(subject[:details]).to include(:name, :status, :stages)
+      expect(subject[:details][:status]).to include(:icon, :favicon, :text, :label, :tooltip)
+      expect(subject[:flags]).to include(:merge_request_pipeline)
+    end
+
+    it 'excludes coverage data when disabled' do
+      entity = described_class
+        .represent(pipeline, request: request, disable_coverage: true)
+
+      expect(entity.as_json).not_to include(:coverage)
+    end
+  end
+end