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| 1 // Copyright (c) 2013, 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 import 'package:unittest/unittest.dart'; | |
| 6 | |
| 7 import 'dart:async' show Future; | |
| 8 import 'dart:io' show Platform; | |
| 9 | |
| 10 import '../lib/src/export_map.dart'; | |
| 11 import '../../../../../tests/compiler/dart2js/memory_source_file_helper.dart' | |
| 12 show MemorySourceFileProvider; | |
| 13 import '../../compiler/implementation/mirrors/source_mirrors.dart' | |
| 14 show MirrorSystem, LibraryMirror; | |
| 15 import '../../compiler/implementation/mirrors/analyze.dart' | |
| 16 as source_mirrors; | |
| 17 | |
| 18 Future<MirrorSystem> mirrorSystemFor(Map<String, String> memorySourceFiles) { | |
| 19 var provider = new MemorySourceFileProvider(memorySourceFiles); | |
| 20 handler(Uri uri, int begin, int end, String message, kind) {} | |
| 21 | |
| 22 var script = Uri.base.resolveUri(Platform.script); | |
| 23 var libraryRoot = script.resolve('../../../../'); | |
| 24 // Read packages from 'memory:packages/'. | |
| 25 var packageRoot = Uri.parse('memory:packages/'); | |
| 26 | |
| 27 var libraries = <Uri>[]; | |
| 28 memorySourceFiles.forEach((String path, _) { | |
| 29 if (path.startsWith('packages/')) { | |
| 30 // Analyze files from 'packages/' as packages. | |
| 31 libraries.add(new Uri(scheme: 'package', path: path.substring(9))); | |
| 32 } else { | |
| 33 libraries.add(new Uri(scheme: 'memory', path: path)); | |
| 34 } | |
| 35 }); | |
| 36 libraries.add(new Uri(scheme: 'dart', path: 'async')); | |
| 37 return source_mirrors.analyze( | |
| 38 libraries, libraryRoot, packageRoot, provider, handler); | |
| 39 } | |
| 40 | |
| 41 Future<ExportMap> testExports(Map<String, String> sourceFiles) { | |
| 42 return mirrorSystemFor(sourceFiles).then((mirrors) { | |
| 43 libMirror = (uri) => mirrors.libraries[Uri.parse(uri)]; | |
| 44 return new ExportMap(mirrors); | |
| 45 }); | |
| 46 } | |
| 47 | |
| 48 Function libMirror; | |
| 49 | |
| 50 main() { | |
| 51 group('ExportMap', () { | |
| 52 test('with an empty library', () { | |
| 53 return testExports({'lib.dart': ''}).then((map) { | |
| 54 var lib = libMirror('memory:lib.dart'); | |
| 55 var nonexistent = libMirror('memory:nonexistent.dart'); | |
| 56 | |
| 57 var expectedExports = {}; | |
| 58 expectedExports[lib] = []; | |
| 59 expect(map.exports, equals(expectedExports)); | |
| 60 expect(map.transitiveExports(lib), isEmpty); | |
| 61 expect(map.transitiveExports(nonexistent), isEmpty); | |
| 62 }); | |
| 63 }); | |
| 64 | |
| 65 test('with one library with one export', () { | |
| 66 return testExports({ | |
| 67 'a.dart': 'export "b.dart";', | |
| 68 'b.dart': '' | |
| 69 }).then((map) { | |
| 70 var a = libMirror('memory:a.dart'); | |
| 71 var b = libMirror('memory:b.dart'); | |
| 72 | |
| 73 expect(map.exports[a], unorderedEquals([ | |
| 74 new Export(a, b) | |
| 75 ])); | |
| 76 | |
| 77 expect(map.transitiveExports(a), unorderedEquals([ | |
| 78 new Export(a, b) | |
| 79 ])); | |
| 80 | |
| 81 expect(map.exports[b], isEmpty); | |
| 82 | |
| 83 expect(map.transitiveExports(b), isEmpty); | |
| 84 }); | |
| 85 }); | |
| 86 | |
| 87 test('with one library with multiple exports', () { | |
| 88 return testExports({ | |
| 89 'a.dart': 'export "b.dart";\nexport "c.dart";', | |
| 90 'b.dart': '', 'c.dart': '' | |
| 91 }).then((map) { | |
| 92 var a = libMirror('memory:a.dart'); | |
| 93 var b = libMirror('memory:b.dart'); | |
| 94 var c = libMirror('memory:c.dart'); | |
| 95 | |
| 96 expect(map.exports[a], unorderedEquals([ | |
| 97 new Export(a, b), | |
| 98 new Export(a, c) | |
| 99 ])); | |
| 100 | |
| 101 expect(map.transitiveExports(a), unorderedEquals([ | |
| 102 new Export(a, b), | |
| 103 new Export(a, c) | |
| 104 ])); | |
| 105 | |
| 106 expect(map.exports[b], isEmpty); | |
| 107 expect(map.transitiveExports(b), isEmpty); | |
| 108 expect(map.exports[c], isEmpty); | |
| 109 expect(map.transitiveExports(c), isEmpty); | |
| 110 }); | |
| 111 }); | |
| 112 | |
| 113 test('with two libraries each with one export', () { | |
| 114 return testExports({ | |
| 115 'a.dart': 'export "a_export.dart";', | |
| 116 'b.dart': 'export "b_export.dart";', | |
| 117 'a_export.dart': '', | |
| 118 'b_export.dart': '' | |
| 119 }).then((map) { | |
| 120 var a = libMirror('memory:a.dart'); | |
| 121 var b = libMirror('memory:b.dart'); | |
| 122 var a_export = libMirror('memory:a_export.dart'); | |
| 123 var b_export = libMirror('memory:b_export.dart'); | |
| 124 | |
| 125 expect(map.exports[a], unorderedEquals([ | |
| 126 new Export(a, a_export), | |
| 127 ])); | |
| 128 expect(map.transitiveExports(a), unorderedEquals([ | |
| 129 new Export(a, a_export), | |
| 130 ])); | |
| 131 | |
| 132 expect(map.transitiveExports(b), unorderedEquals([ | |
| 133 new Export(b, b_export), | |
| 134 ])); | |
| 135 expect(map.exports[b], unorderedEquals([ | |
| 136 new Export(b, b_export) | |
| 137 ])); | |
| 138 | |
| 139 expect(map.exports[a_export], isEmpty); | |
| 140 expect(map.transitiveExports(a_export), isEmpty); | |
| 141 expect(map.exports[b_export], isEmpty); | |
| 142 expect(map.transitiveExports(b_export), isEmpty); | |
| 143 }); | |
| 144 }); | |
| 145 | |
| 146 test('with a transitive export', () { | |
| 147 return testExports({ | |
| 148 'a.dart': 'export "b.dart";', | |
| 149 'b.dart': 'export "c.dart";', | |
| 150 'c.dart': '' | |
| 151 }).then((map) { | |
| 152 var a = libMirror('memory:a.dart'); | |
| 153 var b = libMirror('memory:b.dart'); | |
| 154 var c = libMirror('memory:c.dart'); | |
| 155 | |
| 156 expect(map.exports[a], unorderedEquals([ | |
| 157 new Export(a, b), | |
| 158 ])); | |
| 159 expect(map.transitiveExports(a), unorderedEquals([ | |
| 160 new Export(a, b), | |
| 161 new Export(a, c), | |
| 162 ])); | |
| 163 | |
| 164 expect(map.exports[b], unorderedEquals([ | |
| 165 new Export(b, c), | |
| 166 ])); | |
| 167 expect(map.transitiveExports(b), unorderedEquals([ | |
| 168 new Export(b, c), | |
| 169 ])); | |
| 170 | |
| 171 expect(map.exports[c], isEmpty); | |
| 172 expect(map.transitiveExports(c), isEmpty); | |
| 173 }); | |
| 174 }); | |
| 175 | |
| 176 test('with an export through an import', () { | |
| 177 return testExports({ | |
| 178 'a.dart': 'import "b.dart";', | |
| 179 'b.dart': 'export "c.dart";', | |
| 180 'c.dart': '' | |
| 181 }).then((map) { | |
| 182 var a = libMirror('memory:a.dart'); | |
| 183 var b = libMirror('memory:b.dart'); | |
| 184 var c = libMirror('memory:c.dart'); | |
| 185 | |
| 186 expect(map.exports[b], unorderedEquals([ | |
| 187 new Export(b, c), | |
| 188 ])); | |
| 189 expect(map.transitiveExports(b), unorderedEquals([ | |
| 190 new Export(b, c), | |
| 191 ])); | |
| 192 | |
| 193 expect(map.exports[a], isEmpty); | |
| 194 expect(map.exports[c], isEmpty); | |
| 195 expect(map.transitiveExports(a), isEmpty); | |
| 196 expect(map.transitiveExports(c), isEmpty); | |
| 197 }); | |
| 198 }); | |
| 199 | |
| 200 test('with an export with a show combinator', () { | |
| 201 return testExports({ | |
| 202 'a.dart': 'export "b.dart" show x, y;', | |
| 203 'b.dart': '' | |
| 204 }).then((map) { | |
| 205 var a = libMirror('memory:a.dart'); | |
| 206 var b = libMirror('memory:b.dart'); | |
| 207 | |
| 208 expect(map.exports[a], unorderedEquals([ | |
| 209 new Export(a, b, show: ['x', 'y']) | |
| 210 ])); | |
| 211 }); | |
| 212 }); | |
| 213 | |
| 214 test('with an export with a hide combinator', () { | |
| 215 return testExports({ | |
| 216 'a.dart': 'export "b.dart" hide x, y;', | |
| 217 'b.dart': '' | |
| 218 }).then((map) { | |
| 219 var a = libMirror('memory:a.dart'); | |
| 220 var b = libMirror('memory:b.dart'); | |
| 221 | |
| 222 expect(map.exports[a], unorderedEquals([ | |
| 223 new Export(a, b, hide: ['x', 'y']) | |
| 224 ])); | |
| 225 }); | |
| 226 }); | |
| 227 | |
| 228 test('with an export with a show and a hide combinator', () { | |
| 229 return testExports({ | |
| 230 'a.dart': 'export "b.dart" show x, y hide y, z;', | |
| 231 'b.dart': '' | |
| 232 }).then((map) { | |
| 233 var a = libMirror('memory:a.dart'); | |
| 234 var b = libMirror('memory:b.dart'); | |
| 235 | |
| 236 expect(map.exports[a], unorderedEquals([ | |
| 237 new Export(a, b, show: ['x']) | |
| 238 ])); | |
| 239 }); | |
| 240 }); | |
| 241 | |
| 242 test('composes transitive exports', () { | |
| 243 return testExports({ | |
| 244 'a.dart': 'export "b.dart" hide x;', | |
| 245 'b.dart': 'export "c.dart" hide y;', | |
| 246 'c.dart': '' | |
| 247 }).then((map) { | |
| 248 var a = libMirror('memory:a.dart'); | |
| 249 var b = libMirror('memory:b.dart'); | |
| 250 var c = libMirror('memory:c.dart'); | |
| 251 | |
| 252 expect(map.transitiveExports(a), unorderedEquals([ | |
| 253 new Export(a, b, hide: ['x']), | |
| 254 new Export(a, c, hide: ['x', 'y']) | |
| 255 ])); | |
| 256 }); | |
| 257 }); | |
| 258 | |
| 259 test('merges adjacent exports', () { | |
| 260 return testExports({ | |
| 261 'a.dart': ''' | |
| 262 export "b.dart" show x, y; | |
| 263 export "b.dart" hide y, z; | |
| 264 ''', | |
| 265 'b.dart': '' | |
| 266 }).then((map) { | |
| 267 var a = libMirror('memory:a.dart'); | |
| 268 var b = libMirror('memory:b.dart'); | |
| 269 | |
| 270 expect(map.exports[a], unorderedEquals([ | |
| 271 new Export(a, b, hide: ['z']), | |
| 272 ])); | |
| 273 expect(map.transitiveExports(a), unorderedEquals([ | |
| 274 new Export(a, b, hide: ['z']), | |
| 275 ])); | |
| 276 }); | |
| 277 }); | |
| 278 | |
| 279 test('merges adjacent exports transitively', () { | |
| 280 return testExports({ | |
| 281 'a.dart': 'export "b.dart";\nexport "c.dart";', | |
| 282 'b.dart': 'export "d.dart" show x, y;', | |
| 283 'c.dart': 'export "d.dart" hide y, z;', | |
| 284 'd.dart': '' | |
| 285 }).then((map) { | |
| 286 var a = libMirror('memory:a.dart'); | |
| 287 var b = libMirror('memory:b.dart'); | |
| 288 var c = libMirror('memory:c.dart'); | |
| 289 var d = libMirror('memory:d.dart'); | |
| 290 | |
| 291 expect(map.exports[a], unorderedEquals([ | |
| 292 new Export(a, b), | |
| 293 new Export(a, c), | |
| 294 ])); | |
| 295 expect(map.transitiveExports(a), unorderedEquals([ | |
| 296 new Export(a, b), | |
| 297 new Export(a, c), | |
| 298 new Export(a, d, hide: ['z']), | |
| 299 ])); | |
| 300 }); | |
| 301 }); | |
| 302 | |
| 303 test('resolves package: exports', () { | |
| 304 return testExports({ | |
| 305 'a.dart': 'export "package:b/b.dart";', | |
| 306 'packages/b/b.dart': '' | |
| 307 }).then((map) { | |
| 308 var a = libMirror('memory:a.dart'); | |
| 309 var b = libMirror('package:b/b.dart'); | |
| 310 expect(map.exports[a], unorderedEquals([ | |
| 311 new Export(a, b) | |
| 312 ])); | |
| 313 }); | |
| 314 }); | |
| 315 | |
| 316 test('ignores dart: exports', () { | |
| 317 return testExports({'a.dart': 'export "dart:async";'}).then((map) { | |
| 318 var a = libMirror('memory:a.dart'); | |
| 319 | |
| 320 expect(map.exports[a], isEmpty); | |
| 321 }); | |
| 322 }); | |
| 323 | |
| 324 test('.parse() resolves package: imports', () { | |
| 325 return testExports({ | |
| 326 'packages/a/a.dart': 'export "package:b/b.dart";', | |
| 327 'packages/b/b.dart': '' | |
| 328 }).then((map) { | |
| 329 var a = libMirror('package:a/a.dart'); | |
| 330 var b = libMirror('package:b/b.dart'); | |
| 331 | |
| 332 expect(map.exports[a], unorderedEquals([ | |
| 333 new Export(a, b) | |
| 334 ])); | |
| 335 }); | |
| 336 }); | |
| 337 | |
| 338 test('.parse() ignores dart: imports', () { | |
| 339 return testExports({}).then((map) { | |
| 340 expect(map.exports, isEmpty); | |
| 341 }); | |
| 342 }); | |
| 343 }); | |
| 344 | |
| 345 group('Export', () { | |
| 346 test('normalizes hide and show', () { | |
| 347 expect(new Export(null, null, show: ['x', 'y'], hide: ['y', 'z']), | |
| 348 equals(new Export(null, null, show: ['x']))); | |
| 349 }); | |
| 350 | |
| 351 test("doesn't care about the order of show or hide", () { | |
| 352 expect(new Export(null, null, show: ['x', 'y']), | |
| 353 equals(new Export(null, null, show: ['y', 'x']))); | |
| 354 expect(new Export(null, null, hide: ['x', 'y']), | |
| 355 equals(new Export(null, null, hide: ['y', 'x']))); | |
| 356 }); | |
| 357 | |
| 358 test('with no combinators considers anything visible', () { | |
| 359 var export = new Export(null, null); | |
| 360 expect(export.isMemberVisible('x'), isTrue); | |
| 361 expect(export.isMemberVisible('y'), isTrue); | |
| 362 expect(export.isMemberVisible('z'), isTrue); | |
| 363 }); | |
| 364 | |
| 365 test('with hide combinators considers anything not hidden visible', () { | |
| 366 var export = new Export(null, null, hide: ['x', 'y']); | |
| 367 expect(export.isMemberVisible('x'), isFalse); | |
| 368 expect(export.isMemberVisible('y'), isFalse); | |
| 369 expect(export.isMemberVisible('z'), isTrue); | |
| 370 }); | |
| 371 | |
| 372 test('with show combinators considers anything not shown invisible', () { | |
| 373 var export = new Export(null, null, show: ['x', 'y']); | |
| 374 expect(export.isMemberVisible('x'), isTrue); | |
| 375 expect(export.isMemberVisible('y'), isTrue); | |
| 376 expect(export.isMemberVisible('z'), isFalse); | |
| 377 }); | |
| 378 | |
| 379 test('composing uses the parent exporter and child path', () { | |
| 380 return testExports({ | |
| 381 'exporter1.dart': '', | |
| 382 'exporter2.dart': '', | |
| 383 'path1.dart': '', | |
| 384 'path2.dart': '' | |
| 385 }).then((map) { | |
| 386 var exporter1 = libMirror('memory:exporter1.dart'); | |
| 387 var exporter2 = libMirror('memory:exporter2.dart'); | |
| 388 var path1 = libMirror('memory:path1.dart'); | |
| 389 var path2 = libMirror('memory:path2.dart'); | |
| 390 expect(new Export(exporter1, path1) | |
| 391 .compose(new Export(exporter2, path2)), | |
| 392 equals(new Export(exporter1, path2))); | |
| 393 }); | |
| 394 }); | |
| 395 | |
| 396 test('composing show . show takes the intersection', () { | |
| 397 expect(new Export(null, null, show: ['x', 'y']) | |
| 398 .compose(new Export(null, null, show: ['y', 'z'])), | |
| 399 equals(new Export(null, null, show: ['y']))); | |
| 400 }); | |
| 401 | |
| 402 test('composing show . hide takes the difference', () { | |
| 403 expect(new Export(null, null, show: ['x', 'y']) | |
| 404 .compose(new Export(null, null, hide: ['y', 'z'])), | |
| 405 equals(new Export(null, null, show: ['x']))); | |
| 406 }); | |
| 407 | |
| 408 test('composing hide . show takes the reverse difference', () { | |
| 409 expect(new Export(null, null, hide: ['x', 'y']) | |
| 410 .compose(new Export(null, null, show: ['y', 'z'])), | |
| 411 equals(new Export(null, null, show: ['z']))); | |
| 412 }); | |
| 413 | |
| 414 test('composing hide . hide takes the union', () { | |
| 415 expect(new Export(null, null, hide: ['x', 'y']) | |
| 416 .compose(new Export(null, null, hide: ['y', 'z'])), | |
| 417 equals(new Export(null, null, hide: ['x', 'y', 'z']))); | |
| 418 }); | |
| 419 | |
| 420 test('merging requires identical exporters and paths', () { | |
| 421 return testExports({ | |
| 422 'exporter1.dart': '', | |
| 423 'exporter2.dart': '', | |
| 424 'path1.dart': '', | |
| 425 'path2.dart': '' | |
| 426 }).then((map) { | |
| 427 var exporter1 = libMirror('memory:exporter1.dart'); | |
| 428 var exporter2 = libMirror('memory:exporter2.dart'); | |
| 429 var path1 = libMirror('memory:path1.dart'); | |
| 430 var path2 = libMirror('memory:path2.dart'); | |
| 431 expect(() => new Export(exporter1, null) | |
| 432 .merge(new Export(exporter2, null)), | |
| 433 throwsA(isArgumentError)); | |
| 434 expect(() => new Export(null, path1) | |
| 435 .merge(new Export(null, path2)), | |
| 436 throwsA(isArgumentError)); | |
| 437 expect(new Export(null, null) | |
| 438 .merge(new Export(null, null)), | |
| 439 equals(new Export(null, null))); | |
| 440 }); | |
| 441 }); | |
| 442 | |
| 443 test('merging show + show takes the union', () { | |
| 444 expect(new Export(null, null, show: ['x', 'y']) | |
| 445 .merge(new Export(null, null, show: ['y', 'z'])), | |
| 446 equals(new Export(null, null, show: ['x', 'y', 'z']))); | |
| 447 }); | |
| 448 | |
| 449 test('merging show + hide takes the difference', () { | |
| 450 expect(new Export(null, null, show: ['x', 'y']) | |
| 451 .merge(new Export(null, null, hide: ['y', 'z'])), | |
| 452 equals(new Export(null, null, hide: ['z']))); | |
| 453 }); | |
| 454 | |
| 455 test('merging hide + show takes the difference', () { | |
| 456 expect(new Export(null, null, hide: ['x', 'y']) | |
| 457 .merge(new Export(null, null, show: ['y', 'z'])), | |
| 458 equals(new Export(null, null, hide: ['x']))); | |
| 459 }); | |
| 460 | |
| 461 test('merging hide + hide takes the intersection', () { | |
| 462 expect(new Export(null, null, hide: ['x', 'y']) | |
| 463 .merge(new Export(null, null, hide: ['y', 'z'])), | |
| 464 equals(new Export(null, null, hide: ['y']))); | |
| 465 }); | |
| 466 }); | |
| 467 } | |
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