Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(208)

Side by Side Diff: lib/unittest/future_matchers.dart

Issue 10836241: Move unittest from lib to pkg. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « lib/unittest/expect.dart ('k') | lib/unittest/html_config.dart » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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
3 // BSD-style license that can be found in the LICENSE file.
4
5 /**
6 * Matches a [Future] that completes successfully with a value. Note that this
7 * creates an asynchronous expectation. The call to `expect()` that includes
8 * this will return immediately and execution will continue. Later, when the
9 * future completes, the actual expectation will run.
10 *
11 * To test that a Future completes with an exception, you can use [throws] and
12 * [throwsA].
13 */
14 Matcher completes = const _Completes(null);
15
16 /**
17 * Matches a [Future] that completes succesfully with a value that matches
18 * [matcher]. Note that this creates an asynchronous expectation. The call to
19 * `expect()` that includes this will return immediately and execution will
20 * continue. Later, when the future completes, the actual expectation will run.
21 *
22 * To test that a Future completes with an exception, you can use [throws] and
23 * [throwsA].
24 */
25 Matcher completion(matcher) => new _Completes(wrapMatcher(matcher));
26
27 class _Completes extends BaseMatcher {
28 final Matcher _matcher;
29
30 const _Completes(this._matcher);
31
32 bool matches(item, MatchState matchState) {
33 if (item is! Future) return false;
34
35 item.onComplete(expectAsync1((future) {
36 var reason = 'Expected future to complete successfully, but it failed '
37 'with ${future.exception}';
38 if (future.stackTrace != null) {
39 var stackTrace = future.stackTrace.toString();
40 stackTrace = ' ${stackTrace.replaceAll('\n', '\n ')}';
41 reason = '$reason\nStack trace:\n$stackTrace';
42 }
43
44 expect(future.hasValue, reason: reason);
45 if (_matcher != null) expect(future.value, _matcher);
46 }));
47
48 return true;
49 }
50
51 Description describe(Description description) {
52 if (_matcher == null) {
53 description.add('completes successfully');
54 } else {
55 description.add('completes to a value that ').addDescriptionOf(_matcher);
56 }
57 return description;
58 }
59 }
OLDNEW
« no previous file with comments | « lib/unittest/expect.dart ('k') | lib/unittest/html_config.dart » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698