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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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