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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of matcher; | 5 library matcher.future_matchers; |
6 | 6 |
7 /** | 7 import 'dart:async'; |
8 * Matches a [Future] that completes successfully with a value. Note that this | 8 |
9 * creates an asynchronous expectation. The call to `expect()` that includes | 9 import 'core_matchers.dart'; |
10 * this will return immediately and execution will continue. Later, when the | 10 import 'expect.dart'; |
11 * future completes, the actual expectation will run. | 11 import 'interfaces.dart'; |
12 * | 12 |
13 * To test that a Future completes with an exception, you can use [throws] and | 13 /// Matches a [Future] that completes successfully with a value. Note that this |
14 * [throwsA]. | 14 /// creates an asynchronous expectation. The call to `expect()` that includes |
15 */ | 15 /// this will return immediately and execution will continue. Later, when the |
| 16 /// future completes, the actual expectation will run. |
| 17 /// |
| 18 /// To test that a Future completes with an exception, you can use [throws] and |
| 19 /// [throwsA]. |
16 final Matcher completes = const _Completes(null, ''); | 20 final Matcher completes = const _Completes(null, ''); |
17 | 21 |
18 /** | 22 /// Matches a [Future] that completes succesfully with a value that matches |
19 * Matches a [Future] that completes succesfully with a value that matches | 23 /// [matcher]. Note that this creates an asynchronous expectation. The call to |
20 * [matcher]. Note that this creates an asynchronous expectation. The call to | 24 /// `expect()` that includes this will return immediately and execution will |
21 * `expect()` that includes this will return immediately and execution will | 25 /// continue. Later, when the future completes, the actual expectation will run. |
22 * continue. Later, when the future completes, the actual expectation will run. | 26 /// |
23 * | 27 /// To test that a Future completes with an exception, you can use [throws] and |
24 * To test that a Future completes with an exception, you can use [throws] and | 28 /// [throwsA]. |
25 * [throwsA]. | 29 /// |
26 * | 30 /// [id] is an optional tag that can be used to identify the completion matcher |
27 * [id] is an optional tag that can be used to identify the completion matcher | 31 /// in error messages. |
28 * in error messages. | |
29 */ | |
30 Matcher completion(matcher, [String id = '']) => | 32 Matcher completion(matcher, [String id = '']) => |
31 new _Completes(wrapMatcher(matcher), id); | 33 new _Completes(wrapMatcher(matcher), id); |
32 | 34 |
33 class _Completes extends Matcher { | 35 class _Completes extends Matcher { |
34 final Matcher _matcher; | 36 final Matcher _matcher; |
35 final String _id; | 37 final String _id; |
36 | 38 |
37 const _Completes(this._matcher, this._id); | 39 const _Completes(this._matcher, this._id); |
38 | 40 |
39 bool matches(item, Map matchState) { | 41 bool matches(item, Map matchState) { |
(...skipping 19 matching lines...) Expand all Loading... |
59 | 61 |
60 Description describe(Description description) { | 62 Description describe(Description description) { |
61 if (_matcher == null) { | 63 if (_matcher == null) { |
62 description.add('completes successfully'); | 64 description.add('completes successfully'); |
63 } else { | 65 } else { |
64 description.add('completes to a value that ').addDescriptionOf(_matcher); | 66 description.add('completes to a value that ').addDescriptionOf(_matcher); |
65 } | 67 } |
66 return description; | 68 return description; |
67 } | 69 } |
68 } | 70 } |
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