Project import generated by Copybara.

GitOrigin-RevId: d9e9e3fb4e31372ec1fb43b178994ca78fa8fe70
diff --git a/static_src/elements/framework/mr-button-bar/mr-button-bar.test.js b/static_src/elements/framework/mr-button-bar/mr-button-bar.test.js
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+++ b/static_src/elements/framework/mr-button-bar/mr-button-bar.test.js
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+// 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 sinon from 'sinon';
+
+import {MrButtonBar} from './mr-button-bar.js';
+
+/** @type {MrButtonBar} */
+let element;
+
+describe('mr-button-bar', () => {
+  beforeEach(() => {
+    // @ts-ignore
+    element = document.createElement('mr-button-bar');
+    document.body.appendChild(element);
+  });
+
+  afterEach(() => {
+    document.body.removeChild(element);
+  });
+
+  it('initializes', () => {
+    assert.instanceOf(element, MrButtonBar);
+  });
+
+  it('renders button items', async () => {
+    const handler = sinon.stub();
+
+    element.items = [{icon: 'emoji_nature', text: 'Pollinate', handler}];
+    await element.updateComplete;
+
+    const button = element.shadowRoot.querySelector('button');
+    button.click();
+
+    assert.include(button.innerHTML, 'emoji_nature');
+    assert.include(button.innerHTML, 'Pollinate');
+    sinon.assert.calledOnce(handler);
+  });
+
+  it('renders dropdown items', async () => {
+    const items = [{icon: 'emoji_nature', text: 'Pollinate'}];
+    element.items = [{icon: 'more_vert', text: 'More actions...', items}];
+    await element.updateComplete;
+
+    /** @type {MrDropdown} */
+    const dropdown = element.shadowRoot.querySelector('mr-dropdown');
+    assert.strictEqual(dropdown.icon, 'more_vert');
+    assert.strictEqual(dropdown.label, 'More actions...');
+    assert.strictEqual(dropdown.items, items);
+  });
+});