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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 part of matcher; |
6 | 6 |
7 /** | 7 /** |
8 * Matches a [Future] that completes successfully with a value. Note that this | 8 * Matches a [Future] that completes successfully with a value. Note that this |
9 * creates an asynchronous expectation. The call to `expect()` that includes | 9 * creates an asynchronous expectation. The call to `expect()` that includes |
10 * this will return immediately and execution will continue. Later, when the | 10 * this will return immediately and execution will continue. Later, when the |
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35 final String _id; | 35 final String _id; |
36 | 36 |
37 const _Completes(this._matcher, this._id); | 37 const _Completes(this._matcher, this._id); |
38 | 38 |
39 bool matches(item, MatchState matchState) { | 39 bool matches(item, MatchState matchState) { |
40 if (item is! Future) return false; | 40 if (item is! Future) return false; |
41 var done = wrapAsync((fn) => fn(), _id); | 41 var done = wrapAsync((fn) => fn(), _id); |
42 | 42 |
43 item.then((value) { | 43 item.then((value) { |
44 done(() { if (_matcher != null) expect(value, _matcher); }); | 44 done(() { if (_matcher != null) expect(value, _matcher); }); |
45 }, onError: (e) { | 45 }, onError: (error) { |
46 var id = _id == '' ? '' : '${_id} '; | 46 var id = _id == '' ? '' : '${_id} '; |
47 var reason = 'Expected future ${id}to complete successfully, ' | 47 var reason = 'Expected future ${id}to complete successfully, ' |
48 'but it failed with ${e.error}'; | 48 'but it failed with ${error}'; |
49 if (e.stackTrace != null) { | 49 var trace = getAttachedStackTrace(error); |
50 var stackTrace = e.stackTrace.toString(); | 50 if (trace != null) { |
| 51 var stackTrace = trace.toString(); |
51 stackTrace = ' ${stackTrace.replaceAll('\n', '\n ')}'; | 52 stackTrace = ' ${stackTrace.replaceAll('\n', '\n ')}'; |
52 reason = '$reason\nStack trace:\n$stackTrace'; | 53 reason = '$reason\nStack trace:\n$stackTrace'; |
53 } | 54 } |
54 done(() => fail(reason)); | 55 done(() => fail(reason)); |
55 }); | 56 }); |
56 | 57 |
57 return true; | 58 return true; |
58 } | 59 } |
59 | 60 |
60 Description describe(Description description) { | 61 Description describe(Description description) { |
61 if (_matcher == null) { | 62 if (_matcher == null) { |
62 description.add('completes successfully'); | 63 description.add('completes successfully'); |
63 } else { | 64 } else { |
64 description.add('completes to a value that ').addDescriptionOf(_matcher); | 65 description.add('completes to a value that ').addDescriptionOf(_matcher); |
65 } | 66 } |
66 return description; | 67 return description; |
67 } | 68 } |
68 } | 69 } |
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