1 files changed, 37 insertions, 0 deletions
diff --git a/spec/frontend/api/tags_api_spec.js b/spec/frontend/api/tags_api_spec.js
new file mode 100644
index 00000000000..a7436bf6a50
--- /dev/null
+++ b/spec/frontend/api/tags_api_spec.js
@@ -0,0 +1,37 @@
+import MockAdapter from 'axios-mock-adapter';
+import * as tagsApi from '~/api/tags_api';
+import axios from '~/lib/utils/axios_utils';
+import httpStatus from '~/lib/utils/http_status';
+
+describe('~/api/tags_api.js', () => {
+  let mock;
+  let originalGon;
+
+  const projectId = 1;
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+
+    originalGon = window.gon;
+    window.gon = { api_version: 'v7' };
+  });
+
+  afterEach(() => {
+    mock.restore();
+    window.gon = originalGon;
+  });
+
+  describe('getTag', () => {
+    it('fetches a tag of a given tag name of a particular project', () => {
+      const tagName = 'tag-name';
+      const expectedUrl = `/api/v7/projects/${projectId}/repository/tags/${tagName}`;
+      mock.onGet(expectedUrl).reply(httpStatus.OK, {
+        name: tagName,
+      });
+
+      return tagsApi.getTag(projectId, tagName).then(({ data }) => {
+        expect(data.name).toBe(tagName);
+      });
+    });
+  });
+});