| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library trydart.test_case; |
| |
| import 'dart:html' show |
| document; |
| |
| import 'dart:async'; |
| |
| import '../../pkg/async_helper/lib/async_helper.dart'; |
| |
| typedef void VoidFunction(); |
| |
| class TestCase { |
| final String description; |
| final VoidFunction setup; |
| final VoidFunction validate; |
| |
| TestCase(this.description, this.setup, this.validate); |
| } |
| |
| /** |
| * Executes [tests] each test in order using the following approach for each |
| * test: |
| * |
| * 1. Run setup synchronously. |
| * |
| * 2. Schedule a new (async) Future which runs validate followed by the next |
| * test's setup. |
| * |
| * 3. Repeat step 2 until there are no more tests. |
| * |
| * The purpose of this test is to simulate edits (during setup), and then let |
| * the the mutation observer to process the mutations followed by validation. |
| */ |
| void runTests(List<TestCase> tests) { |
| Completer completer = new Completer(); |
| asyncTest(() => completer.future.then((_) { |
| // Clear the DOM to work around a bug in test.dart. |
| document.body.nodes.clear(); |
| })); |
| |
| void iterateTests(Iterator<TestCase> iterator) { |
| if (iterator.moveNext()) { |
| TestCase test = iterator.current; |
| print('${test.description}\nSetup.'); |
| test.setup(); |
| new Future(() { |
| test.validate(); |
| print('${test.description}\nDone.'); |
| iterateTests(iterator); |
| }); |
| } else { |
| completer.complete(null); |
| } |
| } |
| |
| iterateTests(tests.iterator); |
| } |