| // 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 matcher.prints_matchers_test; |
| |
| import 'dart:async'; |
| |
| import 'package:matcher/matcher.dart'; |
| import 'package:unittest/unittest.dart'; |
| |
| import 'test_utils.dart'; |
| |
| /// The VM and dart2js have different toStrings for closures. |
| final closureToString = (() {}).toString(); |
| |
| void main() { |
| initUtils(); |
| |
| group('synchronous', () { |
| test("passes with an expected print", () { |
| shouldPass(() => print("Hello, world!"), prints("Hello, world!\n")); |
| }); |
| |
| test("combines multiple prints", () { |
| shouldPass(() { |
| print("Hello"); |
| print("World!"); |
| }, prints("Hello\nWorld!\n")); |
| }); |
| |
| test("works with a Matcher", () { |
| shouldPass(() => print("Hello, world!"), prints(contains("Hello"))); |
| }); |
| |
| test("describes a failure nicely", () { |
| shouldFail(() => print("Hello, world!"), prints("Goodbye, world!\n"), |
| "Expected: prints 'Goodbye, world!\\n' ''" |
| " Actual: <$closureToString> " |
| " Which: printed 'Hello, world!\\n' ''" |
| " Which: is different. " |
| "Expected: Goodbye, w ... " |
| " Actual: Hello, wor ... " |
| " ^ Differ at offset 0"); |
| }); |
| |
| test("describes a failure with a non-descriptive Matcher nicely", () { |
| shouldFail(() => print("Hello, world!"), prints(contains("Goodbye")), |
| "Expected: prints contains 'Goodbye'" |
| " Actual: <$closureToString> " |
| " Which: printed 'Hello, world!\\n' ''"); |
| }); |
| |
| test("describes a failure with no text nicely", () { |
| shouldFail(() {}, prints(contains("Goodbye")), |
| "Expected: prints contains 'Goodbye'" |
| " Actual: <$closureToString> " |
| " Which: printed nothing."); |
| }); |
| }); |
| |
| group('asynchronous', () { |
| test("passes with an expected print", () { |
| shouldPass(() => new Future(() => print("Hello, world!")), |
| prints("Hello, world!\n")); |
| }); |
| |
| test("combines multiple prints", () { |
| shouldPass(() => new Future(() { |
| print("Hello"); |
| print("World!"); |
| }), prints("Hello\nWorld!\n")); |
| }); |
| |
| test("works with a Matcher", () { |
| shouldPass(() => new Future(() => print("Hello, world!")), |
| prints(contains("Hello"))); |
| }); |
| |
| test("describes a failure nicely", () { |
| shouldFail(() => new Future(() => print("Hello, world!")), |
| prints("Goodbye, world!\n"), |
| "Expected: 'Goodbye, world!\\n' ''" |
| " Actual: 'Hello, world!\\n' ''" |
| " Which: is different. " |
| "Expected: Goodbye, w ... " |
| " Actual: Hello, wor ... " |
| " ^ Differ at offset 0", |
| isAsync: true); |
| }); |
| |
| test("describes a failure with a non-descriptive Matcher nicely", () { |
| shouldFail(() => new Future(() => print("Hello, world!")), |
| prints(contains("Goodbye")), |
| "Expected: contains 'Goodbye'" |
| " Actual: 'Hello, world!\\n' ''", |
| isAsync: true); |
| }); |
| |
| test("describes a failure with no text nicely", () { |
| shouldFail(() => new Future.value(), prints(contains("Goodbye")), |
| "Expected: contains 'Goodbye'" |
| " Actual: ''", |
| isAsync: true); |
| }); |
| }); |
| } |