1 files changed, 92 insertions, 0 deletions
diff --git a/spec/frontend/gpg_badges_spec.js b/spec/frontend/gpg_badges_spec.js
new file mode 100644
index 00000000000..809cc5c88e2
--- /dev/null
+++ b/spec/frontend/gpg_badges_spec.js
@@ -0,0 +1,92 @@
+import MockAdapter from 'axios-mock-adapter';
+import { TEST_HOST } from 'spec/test_constants';
+import axios from '~/lib/utils/axios_utils';
+import GpgBadges from '~/gpg_badges';
+
+describe('GpgBadges', () => {
+  let mock;
+  const dummyCommitSha = 'n0m0rec0ffee';
+  const dummyBadgeHtml = 'dummy html';
+  const dummyResponse = {
+    signatures: [
+      {
+        commit_sha: dummyCommitSha,
+        html: dummyBadgeHtml,
+      },
+    ],
+  };
+  const dummyUrl = `${TEST_HOST}/dummy/signatures`;
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+    setFixtures(`
+      <form
+        class="commits-search-form js-signature-container" data-signatures-path="${dummyUrl}" action="${dummyUrl}"
+        method="get">
+        <input name="utf8" type="hidden" value="✓">
+        <input type="search" name="search" id="commits-search"class="form-control search-text-input input-short">
+      </form>
+      <div class="parent-container">
+        <div class="js-loading-gpg-badge" data-commit-sha="${dummyCommitSha}"></div>
+      </div>
+    `);
+  });
+
+  afterEach(() => {
+    mock.restore();
+  });
+
+  it('does not make a request if there is no container element', done => {
+    setFixtures('');
+    jest.spyOn(axios, 'get').mockImplementation(() => {});
+
+    GpgBadges.fetch()
+      .then(() => {
+        expect(axios.get).not.toHaveBeenCalled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('throws an error if the endpoint is missing', done => {
+    setFixtures('<div class="js-signature-container"></div>');
+    jest.spyOn(axios, 'get').mockImplementation(() => {});
+
+    GpgBadges.fetch()
+      .then(() => done.fail('Expected error to be thrown'))
+      .catch(error => {
+        expect(error.message).toBe('Missing commit signatures endpoint!');
+        expect(axios.get).not.toHaveBeenCalled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('displays a loading spinner', done => {
+    mock.onGet(dummyUrl).replyOnce(200);
+
+    GpgBadges.fetch()
+      .then(() => {
+        expect(document.querySelector('.js-loading-gpg-badge:empty')).toBe(null);
+        const spinners = document.querySelectorAll('.js-loading-gpg-badge i.fa.fa-spinner.fa-spin');
+
+        expect(spinners.length).toBe(1);
+        done();
+      })
+      .catch(done.fail);
+  });
+
+  it('replaces the loading spinner', done => {
+    mock.onGet(dummyUrl).replyOnce(200, dummyResponse);
+
+    GpgBadges.fetch()
+      .then(() => {
+        expect(document.querySelector('.js-loading-gpg-badge')).toBe(null);
+        const parentContainer = document.querySelector('.parent-container');
+
+        expect(parentContainer.innerHTML.trim()).toEqual(dummyBadgeHtml);
+        done();
+      })
+      .catch(done.fail);
+  });
+});