| // 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. |
| |
| import 'dart:async'; |
| |
| import 'package:test/test.dart'; |
| |
| import '../../utils.dart'; |
| |
| void main() { |
| group("synchronous", () { |
| test("passes with an expected print", () { |
| expect(() => print("Hello, world!"), prints("Hello, world!\n")); |
| }); |
| |
| test("combines multiple prints", () { |
| expect(() { |
| print("Hello"); |
| print("World!"); |
| }, prints("Hello\nWorld!\n")); |
| }); |
| |
| test("works with a Matcher", () { |
| expect(() => print("Hello, world!"), prints(contains("Hello"))); |
| }); |
| |
| test("describes a failure nicely", () async { |
| var closure = () => print("Hello, world!"); |
| var liveTest = await runTestBody(() { |
| expect(closure, prints("Goodbye, world!\n")); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints 'Goodbye, world!\\n'\n" |
| " ''\n" |
| " Actual: <"), |
| endsWith(">\n" |
| " Which: printed 'Hello, world!\\n'\n" |
| " ''\n" |
| " which is different.\n" |
| " Expected: Goodbye, w ...\n" |
| " Actual: Hello, wor ...\n" |
| " ^\n" |
| " Differ at offset 0\n") |
| ])); |
| }); |
| |
| test("describes a failure with a non-descriptive Matcher nicely", () async { |
| var closure = () => print("Hello, world!"); |
| var liveTest = await runTestBody(() { |
| expect(closure, prints(contains("Goodbye"))); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints contains 'Goodbye'\n" |
| " Actual: <"), |
| endsWith(">\n" |
| " Which: printed 'Hello, world!\\n'\n" |
| " ''\n") |
| ])); |
| }); |
| |
| test("describes a failure with no text nicely", () async { |
| var closure = () {}; |
| var liveTest = await runTestBody(() { |
| expect(closure, prints(contains("Goodbye"))); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints contains 'Goodbye'\n" |
| " Actual: <"), |
| endsWith(">\n" |
| " Which: printed nothing\n") |
| ])); |
| }); |
| |
| test("with a non-function", () async { |
| var liveTest = await runTestBody(() { |
| expect(10, prints(contains("Goodbye"))); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| "Expected: prints contains 'Goodbye'\n" |
| " Actual: <10>\n" |
| " Which: was not a Function\n"); |
| }); |
| }); |
| |
| group('asynchronous', () { |
| test("passes with an expected print", () { |
| expect(() => new Future(() => print("Hello, world!")), |
| prints("Hello, world!\n")); |
| }); |
| |
| test("combines multiple prints", () { |
| expect( |
| () => new Future(() { |
| print("Hello"); |
| print("World!"); |
| }), |
| prints("Hello\nWorld!\n")); |
| }); |
| |
| test("works with a Matcher", () { |
| expect(() => new Future(() => print("Hello, world!")), |
| prints(contains("Hello"))); |
| }); |
| |
| test("describes a failure nicely", () async { |
| var closure = () => new Future(() => print("Hello, world!")); |
| var liveTest = await runTestBody(() { |
| expect(closure, prints("Goodbye, world!\n")); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints 'Goodbye, world!\\n'\n" |
| " ''\n" |
| " Actual: <"), |
| contains(">\n" |
| " Which: printed 'Hello, world!\\n'\n" |
| " ''\n" |
| " which is different.\n" |
| " Expected: Goodbye, w ...\n" |
| " Actual: Hello, wor ...\n" |
| " ^\n" |
| " Differ at offset 0") |
| ])); |
| }); |
| |
| test("describes a failure with a non-descriptive Matcher nicely", () async { |
| var closure = () => new Future(() => print("Hello, world!")); |
| var liveTest = await runTestBody(() { |
| expect(closure, prints(contains("Goodbye"))); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints contains 'Goodbye'\n" |
| " Actual: <"), |
| contains(">\n" |
| " Which: printed 'Hello, world!\\n'\n" |
| " ''") |
| ])); |
| }); |
| |
| test("describes a failure with no text nicely", () async { |
| var closure = () => new Future.value(); |
| var liveTest = await runTestBody(() { |
| expect(closure, prints(contains("Goodbye"))); |
| }); |
| |
| expectTestFailed( |
| liveTest, |
| allOf([ |
| startsWith("Expected: prints contains 'Goodbye'\n" |
| " Actual: <"), |
| contains(">\n" |
| " Which: printed nothing") |
| ])); |
| }); |
| |
| test("won't let the test end until the Future completes", () { |
| return expectTestBlocks(() { |
| var completer = new Completer(); |
| expect(() => completer.future, prints(isEmpty)); |
| return completer; |
| }, (completer) => completer.complete()); |
| }); |
| |
| test("blocks expectLater's Future", () async { |
| var completer = new Completer(); |
| var fired = false; |
| expectLater(() { |
| scheduleMicrotask(() => print("hello!")); |
| return completer.future; |
| }, prints("hello!\n")).then((_) { |
| fired = true; |
| }); |
| |
| await pumpEventQueue(); |
| expect(fired, isFalse); |
| |
| completer.complete(); |
| await pumpEventQueue(); |
| expect(fired, isTrue); |
| }); |
| }); |
| } |