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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 code_transformers.test.resolver_test; | |
| 6 | |
| 7 import 'package:barback/barback.dart'; | |
| 8 import 'package:code_transformers/resolver.dart'; | |
| 9 import 'package:code_transformers/tests.dart'; | |
| 10 import 'package:unittest/compact_vm_config.dart'; | |
| 11 import 'package:unittest/unittest.dart'; | |
| 12 | |
| 13 main() { | |
| 14 useCompactVMConfiguration(); | |
| 15 | |
| 16 var entryPoint = new AssetId('a', 'web/main.dart'); | |
| 17 var transformer = new ResolverTransformer(dartSdkDirectory, | |
| 18 (asset) => asset.id == entryPoint); | |
| 19 | |
| 20 var phases = [[transformer]]; | |
| 21 | |
| 22 group('Resolver', () { | |
| 23 | |
| 24 test('should handle empty files', () { | |
| 25 return applyTransformers(phases, | |
| 26 inputs: { | |
| 27 'a|web/main.dart': '', | |
| 28 }).then((_) { | |
| 29 var resolver = transformer.getResolver(entryPoint); | |
| 30 var source = resolver.sources[entryPoint]; | |
| 31 expect(source.modificationStamp, 1); | |
| 32 | |
| 33 var lib = resolver.entryLibrary; | |
| 34 expect(lib, isNotNull); | |
| 35 expect(lib.entryPoint, isNull); | |
| 36 }); | |
| 37 }); | |
| 38 | |
| 39 test('should update when sources change', () { | |
| 40 return applyTransformers(phases, | |
| 41 inputs: { | |
| 42 'a|web/main.dart': ''' main() {} ''', | |
| 43 }).then((_) { | |
| 44 var resolver = transformer.getResolver(entryPoint); | |
| 45 var source = resolver.sources[entryPoint]; | |
| 46 expect(source.modificationStamp, 2); | |
| 47 | |
| 48 var lib = resolver.entryLibrary; | |
| 49 expect(lib, isNotNull); | |
| 50 expect(lib.entryPoint, isNotNull); | |
| 51 }); | |
| 52 }); | |
| 53 | |
| 54 test('should follow imports', () { | |
| 55 return applyTransformers(phases, | |
| 56 inputs: { | |
| 57 'a|web/main.dart': ''' | |
| 58 import 'a.dart'; | |
| 59 | |
| 60 main() { | |
| 61 } ''', | |
| 62 'a|web/a.dart': ''' | |
| 63 library a; | |
| 64 ''', | |
| 65 }).then((_) { | |
| 66 var resolver = transformer.getResolver(entryPoint); | |
| 67 var lib = resolver.entryLibrary; | |
| 68 expect(lib.importedLibraries.length, 2); | |
| 69 var libA = lib.importedLibraries.where((l) => l.name == 'a').single; | |
| 70 expect(libA.getType('Foo'), isNull); | |
| 71 }); | |
| 72 }); | |
| 73 | |
| 74 test('should update changed imports', () { | |
| 75 return applyTransformers(phases, | |
| 76 inputs: { | |
| 77 'a|web/main.dart': ''' | |
| 78 import 'a.dart'; | |
| 79 | |
| 80 main() { | |
| 81 } ''', | |
| 82 'a|web/a.dart': ''' | |
| 83 library a; | |
| 84 class Foo {} | |
| 85 ''', | |
| 86 }).then((_) { | |
| 87 var lib = transformer.getResolver(entryPoint).entryLibrary; | |
| 88 expect(lib.importedLibraries.length, 2); | |
| 89 var libA = lib.importedLibraries.where((l) => l.name == 'a').single; | |
| 90 expect(libA.getType('Foo'), isNotNull); | |
| 91 }); | |
| 92 }); | |
| 93 | |
| 94 test('should follow package imports', () { | |
| 95 return applyTransformers(phases, | |
| 96 inputs: { | |
| 97 'a|web/main.dart': ''' | |
| 98 import 'package:b/b.dart'; | |
| 99 | |
| 100 main() { | |
| 101 } ''', | |
| 102 'b|lib/b.dart': ''' | |
| 103 library b; | |
| 104 ''', | |
| 105 }).then((_) { | |
| 106 var lib = transformer.getResolver(entryPoint).entryLibrary; | |
| 107 expect(lib.importedLibraries.length, 2); | |
| 108 var libB = lib.importedLibraries.where((l) => l.name == 'b').single; | |
| 109 expect(libB.getType('Foo'), isNull); | |
| 110 }); | |
| 111 }); | |
| 112 | |
| 113 test('should update on changed package imports', () { | |
| 114 return applyTransformers(phases, | |
| 115 inputs: { | |
| 116 'a|web/main.dart': ''' | |
| 117 import 'package:b/b.dart'; | |
| 118 | |
| 119 main() { | |
| 120 } ''', | |
| 121 'b|lib/b.dart': ''' | |
| 122 library b; | |
| 123 class Bar {} | |
| 124 ''', | |
| 125 }).then((_) { | |
| 126 var lib = transformer.getResolver(entryPoint).entryLibrary; | |
| 127 expect(lib.importedLibraries.length, 2); | |
| 128 var libB = lib.importedLibraries.where((l) => l.name == 'b').single; | |
| 129 expect(libB.getType('Bar'), isNotNull); | |
| 130 }); | |
| 131 }); | |
| 132 | |
| 133 test('should handle deleted files', () { | |
| 134 return applyTransformers(phases, | |
| 135 inputs: { | |
| 136 'a|web/main.dart': ''' | |
| 137 import 'package:b/b.dart'; | |
| 138 | |
| 139 main() { | |
| 140 } ''', | |
| 141 }, | |
| 142 messages: [ | |
| 143 'error: Unable to find asset for "package:b/b.dart"', | |
| 144 'error: Unable to find asset for "package:b/b.dart"', | |
| 145 ]).then((_) { | |
| 146 var lib = transformer.getResolver(entryPoint).entryLibrary; | |
| 147 expect(lib.importedLibraries.length, 1); | |
| 148 }); | |
| 149 }); | |
| 150 | |
| 151 test('should fail on absolute URIs', () { | |
| 152 return applyTransformers(phases, | |
| 153 inputs: { | |
| 154 'a|web/main.dart': ''' | |
| 155 import '/b.dart'; | |
| 156 | |
| 157 main() { | |
| 158 } ''', | |
| 159 }, | |
| 160 messages: [ | |
| 161 // First from the AST walker | |
| 162 'error: absolute paths not allowed: "/b.dart" (main.dart 0 14)', | |
| 163 // Then two from the resolver. | |
| 164 'error: absolute paths not allowed: "/b.dart"', | |
| 165 'error: absolute paths not allowed: "/b.dart"', | |
| 166 ]).then((_) { | |
| 167 var lib = transformer.getResolver(entryPoint).entryLibrary; | |
| 168 expect(lib.importedLibraries.length, 1); | |
| 169 }); | |
| 170 }); | |
| 171 | |
| 172 test('should list all libraries', () { | |
| 173 return applyTransformers(phases, | |
| 174 inputs: { | |
| 175 'a|web/main.dart': ''' | |
| 176 library a.main; | |
| 177 import 'package:a/a.dart'; | |
| 178 import 'package:a/b.dart'; | |
| 179 ''', | |
| 180 'a|lib/a.dart': 'library a.a;\n import "package:a/c.dart";', | |
| 181 'a|lib/b.dart': 'library a.b;\n import "c.dart";', | |
| 182 'a|lib/c.dart': 'library a.c;' | |
| 183 }).then((_) { | |
| 184 var resolver = transformer.getResolver(entryPoint); | |
| 185 var libs = resolver.libraries.where((l) => !l.isInSdk); | |
| 186 expect(libs.map((l) => l.name), unorderedEquals([ | |
| 187 'a.main', | |
| 188 'a.a', | |
| 189 'a.b', | |
| 190 'a.c', | |
| 191 ])); | |
| 192 }); | |
| 193 }); | |
| 194 | |
| 195 test('should resolve types and library uris', () { | |
| 196 return applyTransformers(phases, | |
| 197 inputs: { | |
| 198 'a|web/main.dart': ''' | |
| 199 import 'dart:core'; | |
| 200 import 'package:a/a.dart'; | |
| 201 import 'package:a/b.dart'; | |
| 202 import 'sub_dir/d.dart'; | |
| 203 class Foo {} | |
| 204 ''', | |
| 205 'a|lib/a.dart': 'library a.a;\n import "package:a/c.dart";', | |
| 206 'a|lib/b.dart': 'library a.b;\n import "c.dart";', | |
| 207 'a|lib/c.dart': ''' | |
| 208 library a.c; | |
| 209 class Bar {} | |
| 210 ''', | |
| 211 'a|web/sub_dir/d.dart': ''' | |
| 212 library a.web.sub_dir.d; | |
| 213 class Baz{} | |
| 214 ''', | |
| 215 }).then((_) { | |
| 216 var resolver = transformer.getResolver(entryPoint); | |
| 217 | |
| 218 var a = resolver.getLibraryByName('a.a'); | |
| 219 expect(a, isNotNull); | |
| 220 expect(resolver.getImportUri(a).toString(), | |
| 221 'package:a/a.dart'); | |
| 222 expect(resolver.getLibraryByUri(Uri.parse('package:a/a.dart')), a); | |
| 223 | |
| 224 var main = resolver.getLibraryByName(''); | |
| 225 expect(main, isNotNull); | |
| 226 expect(resolver.getImportUri(main), isNull); | |
| 227 | |
| 228 var fooType = resolver.getType('Foo'); | |
| 229 expect(fooType, isNotNull); | |
| 230 expect(fooType.library, main); | |
| 231 | |
| 232 var barType = resolver.getType('a.c.Bar'); | |
| 233 expect(barType, isNotNull); | |
| 234 expect(resolver.getImportUri(barType.library).toString(), | |
| 235 'package:a/c.dart'); | |
| 236 expect(resolver.getSourceAssetId(barType), | |
| 237 new AssetId('a', 'lib/c.dart')); | |
| 238 | |
| 239 var bazType = resolver.getType('a.web.sub_dir.d.Baz'); | |
| 240 expect(bazType, isNotNull); | |
| 241 expect(resolver.getImportUri(bazType.library), isNull); | |
| 242 expect(resolver | |
| 243 .getImportUri(bazType.library, from: entryPoint).toString(), | |
| 244 'sub_dir/d.dart'); | |
| 245 | |
| 246 var hashMap = resolver.getType('dart.collection.HashMap'); | |
| 247 expect(resolver.getImportUri(hashMap.library).toString(), | |
| 248 'dart:collection'); | |
| 249 expect(resolver.getLibraryByUri(Uri.parse('dart:collection')), | |
| 250 hashMap.library); | |
| 251 | |
| 252 }); | |
| 253 }); | |
| 254 | |
| 255 test('deleted files should be removed', () { | |
| 256 return applyTransformers(phases, | |
| 257 inputs: { | |
| 258 'a|web/main.dart': '''import 'package:a/a.dart';''', | |
| 259 'a|lib/a.dart': '''import 'package:a/b.dart';''', | |
| 260 'a|lib/b.dart': '''class Engine{}''', | |
| 261 }).then((_) { | |
| 262 var resolver = transformer.getResolver(entryPoint); | |
| 263 var engine = resolver.getType('Engine'); | |
| 264 var uri = resolver.getImportUri(engine.library); | |
| 265 expect(uri.toString(), 'package:a/b.dart'); | |
| 266 }).then((_) { | |
| 267 return applyTransformers(phases, | |
| 268 inputs: { | |
| 269 'a|web/main.dart': '''import 'package:a/a.dart';''', | |
| 270 'a|lib/a.dart': '''lib a;\n class Engine{}''' | |
| 271 }); | |
| 272 }).then((_) { | |
| 273 var resolver = transformer.getResolver(entryPoint); | |
| 274 var engine = resolver.getType('Engine'); | |
| 275 var uri = resolver.getImportUri(engine.library); | |
| 276 expect(uri.toString(), 'package:a/a.dart'); | |
| 277 | |
| 278 // Make sure that we haven't leaked any sources. | |
| 279 expect(resolver.sources.length, 2); | |
| 280 }); | |
| 281 }); | |
| 282 | |
| 283 test('handles circular imports', () { | |
| 284 return applyTransformers(phases, | |
| 285 inputs: { | |
| 286 'a|web/main.dart': ''' | |
| 287 library main; | |
| 288 import 'package:a/a.dart'; ''', | |
| 289 'a|lib/a.dart': ''' | |
| 290 library a; | |
| 291 import 'package:a/b.dart'; ''', | |
| 292 'a|lib/b.dart': ''' | |
| 293 library b; | |
| 294 import 'package:a/a.dart'; ''', | |
| 295 }).then((_) { | |
| 296 var resolver = transformer.getResolver(entryPoint); | |
| 297 | |
| 298 var libs = resolver.libraries.map((lib) => lib.name); | |
| 299 expect(libs.contains('a'), isTrue); | |
| 300 expect(libs.contains('b'), isTrue); | |
| 301 }); | |
| 302 }); | |
| 303 }); | |
| 304 } | |
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