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| <!-- |
| @license |
| Copyright (C) 2017 The Android Open Source Project |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --> |
| |
| <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes"> |
| <title>gr-event-helper</title> |
| |
| <script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script> |
| <script src="../../../bower_components/web-component-tester/browser.js"></script> |
| <link rel="import" href="../../../test/common-test-setup.html"/> |
| <link rel="import" href="gr-event-helper.html"/> |
| |
| <script>void(0);</script> |
| |
| <dom-element id="some-element"> |
| <script> |
| Polymer({ |
| is: 'some-element', |
| _legacyUndefinedCheck: true, |
| properties: { |
| fooBar: { |
| type: Object, |
| notify: true, |
| }, |
| }, |
| }); |
| </script> |
| </dom-element> |
| |
| <test-fixture id="basic"> |
| <template> |
| <some-element></some-element> |
| </template> |
| </test-fixture> |
| |
| <script> |
| suite('gr-event-helper tests', () => { |
| let element; |
| let instance; |
| let sandbox; |
| |
| setup(() => { |
| sandbox = sinon.sandbox.create(); |
| element = fixture('basic'); |
| instance = new GrEventHelper(element); |
| }); |
| |
| teardown(() => { |
| sandbox.restore(); |
| }); |
| |
| test('onTap()', done => { |
| instance.onTap(() => { |
| done(); |
| }); |
| element.fire('tap'); |
| }); |
| |
| test('onTap() cancel', () => { |
| const tapStub = sandbox.stub(); |
| element.parentElement.addEventListener('tap', tapStub); |
| instance.onTap(() => false); |
| element.fire('tap'); |
| flushAsynchronousOperations(); |
| assert.isFalse(tapStub.called); |
| }); |
| |
| test('captureTap()', done => { |
| instance.captureTap(() => { |
| done(); |
| }); |
| element.fire('tap'); |
| }); |
| |
| test('captureTap() cancels tap()', () => { |
| const tapStub = sandbox.stub(); |
| element.addEventListener('tap', tapStub); |
| instance.captureTap(() => false); |
| element.fire('tap'); |
| flushAsynchronousOperations(); |
| assert.isFalse(tapStub.called); |
| }); |
| |
| test('on()', done => { |
| instance.on('foo', () => { |
| done(); |
| }); |
| element.fire('foo'); |
| }); |
| }); |
| </script> |
