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Side by Side Diff: pkg/unittest/map_matchers.dart

Issue 10917275: Update unittest to new package layout. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 3 months ago
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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 * Returns a matcher which matches maps containing the given [value].
7 */
8 Matcher containsValue(value) => new _ContainsValue(value);
9
10 class _ContainsValue extends BaseMatcher {
11 final _value;
12
13 const _ContainsValue(this._value);
14
15 bool matches(item, MatchState matchState) => item.containsValue(_value);
16 Description describe(Description description) =>
17 description.add('contains value ').addDescriptionOf(_value);
18 }
19
20 /**
21 * Returns a matcher which matches maps containing the key-value pair
22 * with [key] => [value].
23 */
24 Matcher containsPair(key, value) =>
25 new _ContainsMapping(key, wrapMatcher(value));
26
27 class _ContainsMapping extends BaseMatcher {
28 final _key;
29 final Matcher _valueMatcher;
30
31 const _ContainsMapping(this._key, Matcher this._valueMatcher);
32
33 bool matches(item, MatchState matchState) =>
34 item.containsKey(_key) &&
35 _valueMatcher.matches(item[_key], matchState);
36
37 Description describe(Description description) {
38 return description.add('contains pair ').addDescriptionOf(_key).
39 add(' => ').addDescriptionOf(_valueMatcher);
40 }
41
42 Description describeMismatch(item, Description mismatchDescription,
43 MatchState matchState, bool verbose) {
44 if (!item.containsKey(_key)) {
45 return mismatchDescription.addDescriptionOf(item).
46 add(" doesn't contain key ").addDescriptionOf(_key);
47 } else {
48 mismatchDescription.add(' contains key ').addDescriptionOf(_key).
49 add(' but with value ');
50 _valueMatcher.describeMismatch(item[_key], mismatchDescription,
51 matchState, verbose);
52 return mismatchDescription;
53 }
54 }
55 }
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