Project import generated by Copybara.
GitOrigin-RevId: d9e9e3fb4e31372ec1fb43b178994ca78fa8fe70
diff --git a/static_src/elements/chops/chops-snackbar/chops-snackbar.test.js b/static_src/elements/chops/chops-snackbar/chops-snackbar.test.js
new file mode 100644
index 0000000..fa45d68
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+++ b/static_src/elements/chops/chops-snackbar/chops-snackbar.test.js
@@ -0,0 +1,36 @@
+// Copyright 2019 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 sinon from 'sinon';
+import {ChopsSnackbar} from './chops-snackbar.js';
+
+let element;
+
+describe('chops-snackbar', () => {
+ beforeEach(() => {
+ element = document.createElement('chops-snackbar');
+ document.body.appendChild(element);
+ });
+
+ afterEach(() => {
+ document.body.removeChild(element);
+ });
+
+ it('initializes', () => {
+ assert.instanceOf(element, ChopsSnackbar);
+ });
+
+ it('dispatches close event on close click', async () => {
+ element.opened = true;
+ await element.updateComplete;
+
+ const listener = sinon.stub();
+ element.addEventListener('close', listener);
+
+ element.shadowRoot.querySelector('button').click();
+
+ sinon.assert.calledOnce(listener);
+ });
+});