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| 1 // Copyright (c) 2014, 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 matcher.prints_matchers_test; |
| 6 |
| 7 import 'dart:async'; |
| 8 |
| 9 import 'package:matcher/matcher.dart'; |
| 10 import 'package:unittest/unittest.dart'; |
| 11 |
| 12 import 'test_utils.dart'; |
| 13 |
| 14 void main() { |
| 15 initUtils(); |
| 16 |
| 17 group('synchronous', () { |
| 18 test("passes with an expected print", () { |
| 19 shouldPass(() => print("Hello, world!"), prints("Hello, world!\n")); |
| 20 }); |
| 21 |
| 22 test("combines multiple prints", () { |
| 23 shouldPass(() { |
| 24 print("Hello"); |
| 25 print("World!"); |
| 26 }, prints("Hello\nWorld!\n")); |
| 27 }); |
| 28 |
| 29 test("works with a Matcher", () { |
| 30 shouldPass(() => print("Hello, world!"), prints(contains("Hello"))); |
| 31 }); |
| 32 |
| 33 test("describes a failure nicely", () { |
| 34 shouldFail(() => print("Hello, world!"), prints("Goodbye, world!\n"), |
| 35 "Expected: prints 'Goodbye, world!\\n' ''" |
| 36 " Actual: <Closure: () => dynamic> " |
| 37 " Which: printed 'Hello, world!\\n' ''" |
| 38 " Which: is different. " |
| 39 "Expected: Goodbye, w ... " |
| 40 " Actual: Hello, wor ... " |
| 41 " ^ Differ at offset 0"); |
| 42 }); |
| 43 |
| 44 test("describes a failure with a non-descriptive Matcher nicely", () { |
| 45 shouldFail(() => print("Hello, world!"), prints(contains("Goodbye")), |
| 46 "Expected: prints contains 'Goodbye'" |
| 47 " Actual: <Closure: () => dynamic> " |
| 48 " Which: printed 'Hello, world!\\n' ''"); |
| 49 }); |
| 50 |
| 51 test("describes a failure with no text nicely", () { |
| 52 shouldFail(() {}, prints(contains("Goodbye")), |
| 53 "Expected: prints contains 'Goodbye'" |
| 54 " Actual: <Closure: () => dynamic> " |
| 55 " Which: printed nothing."); |
| 56 }); |
| 57 }); |
| 58 |
| 59 group('asynchronous', () { |
| 60 test("passes with an expected print", () { |
| 61 shouldPass(() => new Future(() => print("Hello, world!")), |
| 62 prints("Hello, world!\n")); |
| 63 }); |
| 64 |
| 65 test("combines multiple prints", () { |
| 66 shouldPass(() => new Future(() { |
| 67 print("Hello"); |
| 68 print("World!"); |
| 69 }), prints("Hello\nWorld!\n")); |
| 70 }); |
| 71 |
| 72 test("works with a Matcher", () { |
| 73 shouldPass(() => new Future(() => print("Hello, world!")), |
| 74 prints(contains("Hello"))); |
| 75 }); |
| 76 |
| 77 test("describes a failure nicely", () { |
| 78 shouldFail(() => new Future(() => print("Hello, world!")), |
| 79 prints("Goodbye, world!\n"), |
| 80 "Expected: 'Goodbye, world!\\n' ''" |
| 81 " Actual: 'Hello, world!\\n' ''" |
| 82 " Which: is different. " |
| 83 "Expected: Goodbye, w ... " |
| 84 " Actual: Hello, wor ... " |
| 85 " ^ Differ at offset 0", |
| 86 isAsync: true); |
| 87 }); |
| 88 |
| 89 test("describes a failure with a non-descriptive Matcher nicely", () { |
| 90 shouldFail(() => new Future(() => print("Hello, world!")), |
| 91 prints(contains("Goodbye")), |
| 92 "Expected: contains 'Goodbye'" |
| 93 " Actual: 'Hello, world!\\n' ''", |
| 94 isAsync: true); |
| 95 }); |
| 96 |
| 97 test("describes a failure with no text nicely", () { |
| 98 shouldFail(() => new Future.value(), prints(contains("Goodbye")), |
| 99 "Expected: contains 'Goodbye'" |
| 100 " Actual: ''", |
| 101 isAsync: true); |
| 102 }); |
| 103 }); |
| 104 } |
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