Project import generated by Copybara.
GitOrigin-RevId: d9e9e3fb4e31372ec1fb43b178994ca78fa8fe70
diff --git a/static_src/elements/framework/mr-star/mr-issue-star.test.js b/static_src/elements/framework/mr-star/mr-issue-star.test.js
new file mode 100644
index 0000000..bb618f7
--- /dev/null
+++ b/static_src/elements/framework/mr-star/mr-issue-star.test.js
@@ -0,0 +1,85 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import {assert} from 'chai';
+import {MrIssueStar} from './mr-issue-star.js';
+import {issueRefToString} from 'shared/convertersV0.js';
+import sinon from 'sinon';
+
+
+let element;
+
+describe('mr-issue-star', () => {
+ beforeEach(() => {
+ element = document.createElement('mr-issue-star');
+ document.body.appendChild(element);
+ });
+
+ afterEach(() => {
+ document.body.removeChild(element);
+ });
+
+ it('initializes', () => {
+ assert.instanceOf(element, MrIssueStar);
+ });
+
+ it('starring logins user when user is not logged in', async () => {
+ element._currentUserName = undefined;
+ sinon.stub(element, 'login');
+
+ await element.updateComplete;
+
+ const star = element.shadowRoot.querySelector('button');
+
+ star.click();
+
+ sinon.assert.calledOnce(element.login);
+ });
+
+ it('_isStarring true only when issue ref is being starred', async () => {
+ element._starringIssues = new Map([['chromium:22', {requesting: true}]]);
+ element.issueRef = {projectName: 'chromium', localId: 5};
+
+ assert.isFalse(element._isStarring);
+
+ element.issueRef = {projectName: 'chromium', localId: 22};
+
+ assert.isTrue(element._isStarring);
+
+ element._starringIssues = new Map([['chromium:22', {requesting: false}]]);
+
+ assert.isFalse(element._isStarring);
+ });
+
+ it('starring is disabled when _isStarring true', () => {
+ element._currentUserName = 'users/1234';
+ sinon.stub(element, '_isStarring').get(() => true);
+
+ assert.isFalse(element._starringEnabled);
+ });
+
+ it('starring is disabled when _fetchingIsStarred true', () => {
+ element._currentUserName = 'users/1234';
+ element._fetchingIsStarred = true;
+
+ assert.isFalse(element._starringEnabled);
+ });
+
+ it('_starredIssues changes displayed icon', async () => {
+ element.issueRef = {projectName: 'proj', localId: 1};
+
+ element._starredIssues = new Set([issueRefToString(element.issueRef)]);
+
+ await element.updateComplete;
+
+ const star = element.shadowRoot.querySelector('button');
+ assert.equal(star.textContent.trim(), 'star');
+
+ element._starredIssues = new Set();
+
+ await element.updateComplete;
+
+ assert.equal(star.textContent.trim(), 'star_border');
+ });
+});