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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library trydart.test_case; | |
| 6 | |
| 7 import 'dart:html' show | |
| 8 document; | |
| 9 | |
| 10 import 'dart:async'; | |
| 11 | |
| 12 import 'package:async_helper/async_helper.dart'; | |
| 13 | |
| 14 typedef void VoidFunction(); | |
| 15 | |
| 16 class TestCase { | |
| 17 final String description; | |
| 18 final VoidFunction setup; | |
| 19 final VoidFunction validate; | |
| 20 | |
| 21 TestCase(this.description, this.setup, this.validate); | |
| 22 } | |
| 23 | |
| 24 /** | |
| 25 * Executes [tests] each test in order using the following approach for each | |
| 26 * test: | |
| 27 * | |
| 28 * 1. Run setup synchronously. | |
| 29 * | |
| 30 * 2. Schedule a new (async) Future which runs validate followed by the next | |
| 31 * test's setup. | |
| 32 * | |
| 33 * 3. Repeat step 2 until there are no more tests. | |
| 34 * | |
| 35 * The purpose of this test is to simulate edits (during setup), and then let | |
| 36 * the mutation observer to process the mutations followed by validation. | |
| 37 */ | |
| 38 void runTests(List<TestCase> tests) { | |
| 39 Completer completer = new Completer(); | |
| 40 asyncTest(() => completer.future.then((_) { | |
| 41 // Clear the DOM to work around a bug in test.dart. | |
| 42 document.body.nodes.clear(); | |
| 43 })); | |
| 44 | |
| 45 void iterateTests(Iterator<TestCase> iterator) { | |
| 46 if (iterator.moveNext()) { | |
| 47 TestCase test = iterator.current; | |
| 48 print('${test.description}\nSetup.'); | |
| 49 test.setup(); | |
| 50 new Future(() { | |
| 51 test.validate(); | |
| 52 print('${test.description}\nDone.'); | |
| 53 iterateTests(iterator); | |
| 54 }); | |
| 55 } else { | |
| 56 completer.complete(null); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 iterateTests(tests.iterator); | |
| 61 } | |
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