1 files changed, 46 insertions, 0 deletions
diff --git a/spec/services/merge_requests/mergeability/check_conflict_status_service_spec.rb b/spec/services/merge_requests/mergeability/check_conflict_status_service_spec.rb
new file mode 100644
index 00000000000..14173c19bfb
--- /dev/null
+++ b/spec/services/merge_requests/mergeability/check_conflict_status_service_spec.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe MergeRequests::Mergeability::CheckConflictStatusService, feature_category: :code_review_workflow do
+  subject(:check_conflict_status) { described_class.new(merge_request: merge_request, params: {}) }
+
+  let(:merge_request) { build(:merge_request) }
+
+  describe '#execute' do
+    let(:result) { check_conflict_status.execute }
+
+    before do
+      allow(merge_request).to receive(:can_be_merged?).and_return(can_be_merged)
+    end
+
+    context 'when MergeRequest#can_be_merged is true' do
+      let(:can_be_merged) { true }
+
+      it 'returns a check result with status success' do
+        expect(result.status).to eq Gitlab::MergeRequests::Mergeability::CheckResult::SUCCESS_STATUS
+      end
+    end
+
+    context 'when MergeRequest#can_be_merged is false' do
+      let(:can_be_merged) { false }
+
+      it 'returns a check result with status failed' do
+        expect(result.status).to eq Gitlab::MergeRequests::Mergeability::CheckResult::FAILED_STATUS
+        expect(result.payload[:reason]).to eq(:conflict)
+      end
+    end
+  end
+
+  describe '#skip?' do
+    it 'returns false' do
+      expect(check_conflict_status.skip?).to eq false
+    end
+  end
+
+  describe '#cacheable?' do
+    it 'returns false' do
+      expect(check_conflict_status.cacheable?).to eq false
+    end
+  end
+end