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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 /// Test of element diff. | |
| 6 library trydart.diff_test; | |
| 7 | |
| 8 import 'dart:async' show | |
| 9 Future; | |
| 10 | |
| 11 import 'package:expect/expect.dart' show | |
| 12 Expect; | |
| 13 | |
| 14 import 'package:async_helper/async_helper.dart' show | |
| 15 asyncTest; | |
| 16 | |
| 17 import 'package:compiler/src/compiler.dart' show | |
| 18 Compiler; | |
| 19 | |
| 20 import 'package:compiler/src/io/source_file.dart' show | |
| 21 StringSourceFile; | |
| 22 | |
| 23 import 'package:compiler/src/elements/elements.dart' show | |
| 24 Element, | |
| 25 LibraryElement; | |
| 26 | |
| 27 import 'package:compiler/src/script.dart' show | |
| 28 Script; | |
| 29 | |
| 30 import 'package:dart2js_incremental/diff.dart' show | |
| 31 Difference, | |
| 32 computeDifference; | |
| 33 | |
| 34 import '../../compiler/dart2js/mock_compiler.dart' show | |
| 35 MockCompiler, | |
| 36 compilerFor; | |
| 37 | |
| 38 final TEST_DATA = [ | |
| 39 { | |
| 40 'beforeSource': 'main() {}', | |
| 41 'afterSource': 'main() { var x; }', | |
| 42 'expectations': [['main', 'main']], | |
| 43 }, | |
| 44 { | |
| 45 'beforeSource': 'main() {}', | |
| 46 'afterSource': 'main() { /* ignored */ }', | |
| 47 'expectations': [], | |
| 48 }, | |
| 49 { | |
| 50 'beforeSource': 'main() {}', | |
| 51 'afterSource': 'main() { }', | |
| 52 'expectations': [], | |
| 53 }, | |
| 54 { | |
| 55 'beforeSource': 'var i; main() {}', | |
| 56 'afterSource': 'main() { } var i;', | |
| 57 'expectations': [], | |
| 58 }, | |
| 59 { | |
| 60 'beforeSource': 'main() {}', | |
| 61 'afterSource': '', | |
| 62 'expectations': [['main', null]], | |
| 63 }, | |
| 64 { | |
| 65 'beforeSource': '', | |
| 66 'afterSource': 'main() {}', | |
| 67 'expectations': [[null, 'main']], | |
| 68 }, | |
| 69 ]; | |
| 70 | |
| 71 const String SCHEME = 'org.trydart.diff-test'; | |
| 72 | |
| 73 Uri customUri(String path) => Uri.parse('$SCHEME://$path'); | |
| 74 | |
| 75 Future<List<Difference>> testDifference( | |
| 76 String beforeSource, | |
| 77 String afterSource) { | |
| 78 Uri scriptUri = customUri('main.dart'); | |
| 79 MockCompiler compiler = compilerFor(beforeSource, scriptUri); | |
| 80 | |
| 81 Future<LibraryElement> future = compiler.libraryLoader.loadLibrary(scriptUri); | |
| 82 return future.then((LibraryElement library) { | |
| 83 Script sourceScript = new Script( | |
| 84 scriptUri, scriptUri, | |
| 85 new StringSourceFile.fromUri(scriptUri, afterSource)); | |
| 86 var dartPrivacyIsBroken = compiler.libraryLoader; | |
| 87 LibraryElement newLibrary = dartPrivacyIsBroken.createLibrarySync( | |
| 88 null, sourceScript, scriptUri); | |
| 89 return computeDifference(library, newLibrary); | |
| 90 }); | |
| 91 } | |
| 92 | |
| 93 Future testData(Map data) { | |
| 94 String beforeSource = data['beforeSource']; | |
| 95 String afterSource = data['afterSource']; | |
| 96 List expectations = data['expectations']; | |
| 97 | |
| 98 validate(List<Difference> differences) { | |
| 99 return checkExpectations(expectations, differences); | |
| 100 } | |
| 101 | |
| 102 return testDifference(beforeSource, afterSource).then(validate); | |
| 103 } | |
| 104 | |
| 105 String elementNameOrNull(Element element) { | |
| 106 return element == null ? null : element.name; | |
| 107 } | |
| 108 | |
| 109 checkExpectations(List expectations, List<Difference> differences) { | |
| 110 Iterator iterator = expectations.iterator; | |
| 111 for (Difference difference in differences) { | |
| 112 Expect.isTrue(iterator.moveNext()); | |
| 113 List expectation = iterator.current; | |
| 114 String expectedBeforeName = expectation[0]; | |
| 115 String expectedAfterName = expectation[1]; | |
| 116 Expect.stringEquals( | |
| 117 expectedBeforeName, elementNameOrNull(difference.before)); | |
| 118 Expect.stringEquals(expectedAfterName, elementNameOrNull(difference.after)); | |
| 119 print(difference); | |
| 120 } | |
| 121 Expect.isFalse(iterator.moveNext()); | |
| 122 } | |
| 123 | |
| 124 void main() { | |
| 125 asyncTest(() => Future.forEach(TEST_DATA, testData)); | |
| 126 } | |
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