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| 1 // Copyright (c) 2013, 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 library barback.test.stream_replayer_test; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 | |
| 9 import 'package:barback/src/utils.dart'; | |
| 10 import 'package:barback/src/utils/stream_replayer.dart'; | |
| 11 import 'package:unittest/unittest.dart'; | |
| 12 | |
| 13 import 'utils.dart'; | |
| 14 | |
| 15 main() { | |
| 16 initConfig(); | |
| 17 | |
| 18 test("a replay that's retrieved before the stream is finished replays the " | |
| 19 "stream", () { | |
| 20 var controller = new StreamController<int>(); | |
| 21 var replay = new StreamReplayer<int>(controller.stream).getReplay(); | |
| 22 | |
| 23 controller.add(1); | |
| 24 controller.add(2); | |
| 25 controller.add(3); | |
| 26 controller.close(); | |
| 27 | |
| 28 expect(replay.toList(), completion(equals([1, 2, 3]))); | |
| 29 }); | |
| 30 | |
| 31 test("a replay that's retrieved after the stream is finished replays the " | |
| 32 "stream", () { | |
| 33 var controller = new StreamController<int>(); | |
| 34 var replayer = new StreamReplayer<int>(controller.stream); | |
| 35 | |
| 36 controller.add(1); | |
| 37 controller.add(2); | |
| 38 controller.add(3); | |
| 39 controller.close(); | |
| 40 | |
| 41 expect(replayer.getReplay().toList(), completion(equals([1, 2, 3]))); | |
| 42 }); | |
| 43 | |
| 44 test("multiple replays each replay the stream", () { | |
| 45 var controller = new StreamController<int>(); | |
| 46 var replayer = new StreamReplayer<int>(controller.stream); | |
| 47 | |
| 48 var replay1 = replayer.getReplay(); | |
| 49 controller.add(1); | |
| 50 controller.add(2); | |
| 51 controller.add(3); | |
| 52 controller.close(); | |
| 53 var replay2 = replayer.getReplay(); | |
| 54 | |
| 55 expect(replay1.toList(), completion(equals([1, 2, 3]))); | |
| 56 expect(replay2.toList(), completion(equals([1, 2, 3]))); | |
| 57 }); | |
| 58 | |
| 59 test("the replayed stream doesn't close until the source stream closes", () { | |
| 60 var controller = new StreamController<int>(); | |
| 61 var replay = new StreamReplayer<int>(controller.stream).getReplay(); | |
| 62 var isClosed = false; | |
| 63 replay.last.then((_) { | |
| 64 isClosed = true; | |
| 65 }); | |
| 66 | |
| 67 controller.add(1); | |
| 68 controller.add(2); | |
| 69 controller.add(3); | |
| 70 | |
| 71 expect(pumpEventQueue().then((_) { | |
| 72 expect(isClosed, isFalse); | |
| 73 controller.close(); | |
| 74 return pumpEventQueue(); | |
| 75 }).then((_) { | |
| 76 expect(isClosed, isTrue); | |
| 77 }), completes); | |
| 78 }); | |
| 79 | |
| 80 test("the wrapped stream isn't opened if there are no replays", () { | |
| 81 var isOpened = false; | |
| 82 var controller = new StreamController<int>(onListen: () { | |
| 83 isOpened = true; | |
| 84 }); | |
| 85 var replayer = new StreamReplayer<int>(controller.stream); | |
| 86 | |
| 87 expect(pumpEventQueue().then((_) => isOpened), completion(isFalse)); | |
| 88 }); | |
| 89 | |
| 90 test("the wrapped stream isn't opened if no replays are opened", () { | |
| 91 var isOpened = false; | |
| 92 var controller = new StreamController<int>(onListen: () { | |
| 93 isOpened = true; | |
| 94 }); | |
| 95 var replayer = new StreamReplayer<int>(controller.stream); | |
| 96 replayer.getReplay(); | |
| 97 replayer.getReplay(); | |
| 98 | |
| 99 expect(pumpEventQueue().then((_) => isOpened), completion(isFalse)); | |
| 100 }); | |
| 101 } | |
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Chromium Code Reviews
Issue 808713003:
Remove barback from the repo. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart