| // 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 mock.result_matcher; |
| |
| import 'package:matcher/matcher.dart'; |
| |
| import 'action.dart'; |
| import 'log_entry.dart'; |
| |
| /** |
| * [_ResultMatcher]s are used to make assertions about the results |
| * of method calls. These can be used as optional parameters to [getLogs]. |
| */ |
| class _ResultMatcher extends Matcher { |
| final Action action; |
| final Matcher value; |
| |
| const _ResultMatcher(this.action, this.value); |
| |
| bool matches(item, Map matchState) { |
| if (item is! LogEntry) { |
| return false; |
| } |
| // normalize the action; _PROXY is like _RETURN. |
| Action eaction = item.action; |
| if (eaction == Action.PROXY) { |
| eaction = Action.RETURN; |
| } |
| return (eaction == action && value.matches(item.value, matchState)); |
| } |
| |
| Description describe(Description description) { |
| description.add(' to '); |
| if (action == Action.RETURN || action == Action.PROXY) { |
| description.add('return '); |
| } else { |
| description.add('throw '); |
| } |
| return description.addDescriptionOf(value); |
| } |
| |
| Description describeMismatch(item, Description mismatchDescription, |
| Map matchState, bool verbose) { |
| if (item.action == Action.RETURN || item.action == Action.PROXY) { |
| mismatchDescription.add('returned '); |
| } else { |
| mismatchDescription.add('threw '); |
| } |
| mismatchDescription.add(item.value); |
| return mismatchDescription; |
| } |
| } |
| |
| /** |
| *[returning] matches log entries where the call to a method returned |
| * a value that matched [value]. |
| */ |
| Matcher returning(value) => |
| new _ResultMatcher(Action.RETURN, wrapMatcher(value)); |
| |
| /** |
| *[throwing] matches log entrues where the call to a method threw |
| * a value that matched [value]. |
| */ |
| Matcher throwing(value) => |
| new _ResultMatcher(Action.THROW, wrapMatcher(value)); |