1 files changed, 49 insertions, 2 deletions
diff --git a/spec/frontend/pipeline_editor/graphql/resolvers_spec.js b/spec/frontend/pipeline_editor/graphql/resolvers_spec.js
index 90acdf3ec0b..b531f8af797 100644
--- a/spec/frontend/pipeline_editor/graphql/resolvers_spec.js
+++ b/spec/frontend/pipeline_editor/graphql/resolvers_spec.js
@@ -1,6 +1,14 @@
+import MockAdapter from 'axios-mock-adapter';
 import Api from '~/api';
-import { mockProjectPath, mockDefaultBranch, mockCiConfigPath, mockCiYml } from '../mock_data';
-
+import {
+  mockCiConfigPath,
+  mockCiYml,
+  mockDefaultBranch,
+  mockLintResponse,
+  mockProjectPath,
+} from '../mock_data';
+import httpStatus from '~/lib/utils/http_status';
+import axios from '~/lib/utils/axios_utils';
 import { resolvers } from '~/pipeline_editor/graphql/resolvers';
 
 jest.mock('~/api', () => {
@@ -39,4 +47,43 @@ describe('~/pipeline_editor/graphql/resolvers', () => {
       });
     });
   });
+
+  describe('Mutation', () => {
+    describe('lintCI', () => {
+      let mock;
+      let result;
+
+      const endpoint = '/ci/lint';
+
+      beforeEach(async () => {
+        mock = new MockAdapter(axios);
+        mock.onPost(endpoint).reply(httpStatus.OK, mockLintResponse);
+
+        result = await resolvers.Mutation.lintCI(null, {
+          endpoint,
+          content: 'content',
+          dry_run: true,
+        });
+      });
+
+      afterEach(() => {
+        mock.restore();
+      });
+
+      /* eslint-disable no-underscore-dangle */
+      it('lint data has correct type names', async () => {
+        expect(result.__typename).toBe('CiLintContent');
+
+        expect(result.jobs[0].__typename).toBe('CiLintJob');
+        expect(result.jobs[1].__typename).toBe('CiLintJob');
+
+        expect(result.jobs[1].only.__typename).toBe('CiLintJobOnlyPolicy');
+      });
+      /* eslint-enable no-underscore-dangle */
+
+      it('lint data is as expected', () => {
+        expect(result).toMatchSnapshot();
+      });
+    });
+  });
 });