1 files changed, 46 insertions, 0 deletions
diff --git a/spec/frontend/api/groups_api_spec.js b/spec/frontend/api/groups_api_spec.js
new file mode 100644
index 00000000000..e14ead0b8eb
--- /dev/null
+++ b/spec/frontend/api/groups_api_spec.js
@@ -0,0 +1,46 @@
+import MockAdapter from 'axios-mock-adapter';
+import httpStatus from '~/lib/utils/http_status';
+import axios from '~/lib/utils/axios_utils';
+import { updateGroup } from '~/api/groups_api';
+
+const mockApiVersion = 'v4';
+const mockUrlRoot = '/gitlab';
+
+describe('GroupsApi', () => {
+  let originalGon;
+  let mock;
+
+  const dummyGon = {
+    api_version: mockApiVersion,
+    relative_url_root: mockUrlRoot,
+  };
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+    originalGon = window.gon;
+    window.gon = { ...dummyGon };
+  });
+
+  afterEach(() => {
+    mock.restore();
+    window.gon = originalGon;
+  });
+
+  describe('updateGroup', () => {
+    const mockGroupId = '99';
+    const mockData = { attr: 'value' };
+    const expectedUrl = `${mockUrlRoot}/api/${mockApiVersion}/groups/${mockGroupId}`;
+
+    beforeEach(() => {
+      mock.onPut(expectedUrl).reply(({ data }) => {
+        return [httpStatus.OK, { id: mockGroupId, ...JSON.parse(data) }];
+      });
+    });
+
+    it('updates group', async () => {
+      const res = await updateGroup(mockGroupId, mockData);
+
+      expect(res.data).toMatchObject({ id: mockGroupId, ...mockData });
+    });
+  });
+});