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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library analyzer.test.driver; | 5 library analyzer.test.driver; |
6 | 6 |
7 import 'dart:async'; | 7 import 'dart:async'; |
8 import 'dart:convert'; | 8 import 'dart:convert'; |
9 | 9 |
10 import 'package:analyzer/dart/ast/ast.dart'; | 10 import 'package:analyzer/dart/ast/ast.dart'; |
11 import 'package:analyzer/error/error.dart'; | 11 import 'package:analyzer/error/error.dart'; |
12 import 'package:analyzer/file_system/file_system.dart'; | 12 import 'package:analyzer/file_system/file_system.dart'; |
13 import 'package:analyzer/file_system/memory_file_system.dart'; | 13 import 'package:analyzer/file_system/memory_file_system.dart'; |
14 import 'package:analyzer/source/package_map_resolver.dart'; | 14 import 'package:analyzer/source/package_map_resolver.dart'; |
15 import 'package:analyzer/src/dart/analysis/byte_store.dart'; | 15 import 'package:analyzer/src/dart/analysis/byte_store.dart'; |
16 import 'package:analyzer/src/dart/analysis/driver.dart'; | 16 import 'package:analyzer/src/dart/analysis/driver.dart'; |
17 import 'package:analyzer/src/error/codes.dart'; | 17 import 'package:analyzer/src/error/codes.dart'; |
18 import 'package:analyzer/src/generated/engine.dart' show AnalysisOptionsImpl; | 18 import 'package:analyzer/src/generated/engine.dart' show AnalysisOptionsImpl; |
19 import 'package:analyzer/src/generated/source.dart'; | 19 import 'package:analyzer/src/generated/source.dart'; |
20 import 'package:async/async.dart'; | |
21 import 'package:convert/convert.dart'; | 20 import 'package:convert/convert.dart'; |
22 import 'package:crypto/crypto.dart'; | 21 import 'package:crypto/crypto.dart'; |
23 import 'package:test/test.dart'; | 22 import 'package:test/test.dart'; |
24 import 'package:test_reflective_loader/test_reflective_loader.dart'; | 23 import 'package:test_reflective_loader/test_reflective_loader.dart'; |
25 | 24 |
26 import '../../context/mock_sdk.dart'; | 25 import '../../context/mock_sdk.dart'; |
27 | 26 |
28 main() { | 27 main() { |
29 defineReflectiveSuite(() { | 28 defineReflectiveSuite(() { |
30 defineReflectiveTests(DriverTest); | 29 defineReflectiveTests(DriverTest); |
31 }); | 30 }); |
32 } | 31 } |
33 | 32 |
33 /** | |
34 * Returns a [Future] that completes after pumping the event queue [times] | |
35 * times. By default, this should pump the event queue enough times to allow | |
36 * any code to run, as long as it's not waiting on some external event. | |
37 */ | |
38 Future pumpEventQueue([int times = 5000]) { | |
39 if (times == 0) return new Future.value(); | |
40 // We use a delayed future to allow microtask events to finish. The | |
41 // Future.value or Future() constructors use scheduleMicrotask themselves and | |
42 // would therefore not wait for microtask callbacks that are scheduled after | |
43 // invoking this method. | |
44 return new Future.delayed(Duration.ZERO, () => pumpEventQueue(times - 1)); | |
45 } | |
46 | |
34 @reflectiveTest | 47 @reflectiveTest |
35 class DriverTest { | 48 class DriverTest { |
36 static final MockSdk sdk = new MockSdk(); | 49 static final MockSdk sdk = new MockSdk(); |
37 | 50 |
38 final MemoryResourceProvider provider = new MemoryResourceProvider(); | 51 final MemoryResourceProvider provider = new MemoryResourceProvider(); |
39 final ByteStore byteStore = new _TestByteStore(); | 52 final ByteStore byteStore = new _TestByteStore(); |
40 final ContentCache contentCache = new ContentCache(); | 53 final ContentCache contentCache = new ContentCache(); |
41 final StringBuffer logBuffer = new StringBuffer(); | 54 final StringBuffer logBuffer = new StringBuffer(); |
42 | 55 |
43 AnalysisDriver driver; | 56 AnalysisDriver driver; |
44 StreamSplitter<AnalysisStatus> statusSplitter; | 57 final _Monitor idleStatusMonitor = new _Monitor(); |
45 final List<AnalysisStatus> allStatuses = <AnalysisStatus>[]; | 58 final List<AnalysisStatus> allStatuses = <AnalysisStatus>[]; |
46 final List<AnalysisResult> allResults = <AnalysisResult>[]; | 59 final List<AnalysisResult> allResults = <AnalysisResult>[]; |
47 | 60 |
48 String testProject; | 61 String testProject; |
49 String testFile; | 62 String testFile; |
50 | 63 |
51 void setUp() { | 64 void setUp() { |
52 new MockSdk(); | 65 new MockSdk(); |
53 testProject = _p('/test/lib'); | 66 testProject = _p('/test/lib'); |
54 testFile = _p('/test/lib/test.dart'); | 67 testFile = _p('/test/lib/test.dart'); |
55 driver = new AnalysisDriver( | 68 driver = new AnalysisDriver( |
56 new PerformanceLog(logBuffer), | 69 new PerformanceLog(logBuffer), |
57 provider, | 70 provider, |
58 byteStore, | 71 byteStore, |
59 contentCache, | 72 contentCache, |
60 new SourceFactory([ | 73 new SourceFactory([ |
61 new DartUriResolver(sdk), | 74 new DartUriResolver(sdk), |
62 new PackageMapUriResolver(provider, <String, List<Folder>>{ | 75 new PackageMapUriResolver(provider, <String, List<Folder>>{ |
63 'test': [provider.getFolder(testProject)] | 76 'test': [provider.getFolder(testProject)] |
64 }) | 77 }) |
65 ], null, provider), | 78 ], null, provider), |
66 new AnalysisOptionsImpl()..strongMode = true); | 79 new AnalysisOptionsImpl()..strongMode = true); |
67 statusSplitter = new StreamSplitter(driver.status); | 80 driver.status.lastWhere((status) { |
68 statusSplitter.split().listen(allStatuses.add); | 81 allStatuses.add(status); |
82 if (status.isIdle) { | |
83 idleStatusMonitor.notify(); | |
84 } | |
85 }); | |
69 driver.results.listen(allResults.add); | 86 driver.results.listen(allResults.add); |
70 } | 87 } |
71 | 88 |
89 test_addFile_thenRemove() async { | |
90 var a = _p('/test/lib/a.dart'); | |
91 var b = _p('/test/lib/b.dart'); | |
92 provider.newFile(a, 'class A {}'); | |
93 provider.newFile(b, 'class B {}'); | |
94 driver.addFile(a); | |
95 driver.addFile(b); | |
96 | |
97 // Now remove 'a'. | |
98 driver.removeFile(a); | |
99 | |
100 await _waitForIdle(); | |
101 | |
102 // Only 'b' has been analyzed, because 'a' was removed before we started. | |
103 expect(allResults, hasLength(1)); | |
104 expect(allResults[0].path, b); | |
105 } | |
106 | |
107 test_changeFile_implicitlyAnalyzed() async { | |
108 var a = _p('/test/lib/a.dart'); | |
109 var b = _p('/test/lib/b.dart'); | |
110 provider.newFile( | |
111 a, | |
112 r''' | |
113 import 'b.dart'; | |
114 var A = B; | |
115 '''); | |
116 provider.newFile(b, 'var B = 1;'); | |
117 | |
118 driver.priorityFiles = [a]; | |
119 driver.addFile(a); | |
120 | |
121 // We have a result only for "a". | |
122 await _waitForIdle(); | |
123 expect(allResults, hasLength(1)); | |
124 { | |
125 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
126 expect(_getTopLevelVarType(ar.unit, 'A'), 'int'); | |
127 } | |
128 allResults.clear(); | |
129 | |
130 // Change "b" and notify. | |
131 provider.updateFile(b, 'var B = 1.2;'); | |
132 driver.changeFile(b); | |
133 | |
134 // While "b" is not analyzed explicitly, it is analyzed implicitly. | |
135 // The change causes "a" to be reanalyzed. | |
136 await _waitForIdle(); | |
137 expect(allResults, hasLength(1)); | |
138 { | |
139 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
140 expect(_getTopLevelVarType(ar.unit, 'A'), 'double'); | |
141 } | |
142 } | |
143 | |
144 test_changeFile_selfConsistent() async { | |
145 var a = _p('/test/lib/a.dart'); | |
146 var b = _p('/test/lib/b.dart'); | |
147 provider.newFile( | |
148 a, | |
149 r''' | |
150 import 'b.dart'; | |
151 var A1 = 1; | |
152 var A2 = B1; | |
153 '''); | |
154 provider.newFile( | |
155 b, | |
156 r''' | |
157 import 'a.dart'; | |
158 var B1 = A1; | |
159 '''); | |
160 | |
161 driver.priorityFiles = [a, b]; | |
162 driver.addFile(a); | |
163 driver.addFile(b); | |
164 await _waitForIdle(); | |
165 | |
166 // We have results for both "a" and "b". | |
167 expect(allResults, hasLength(2)); | |
168 { | |
169 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
170 expect(_getTopLevelVarType(ar.unit, 'A1'), 'int'); | |
171 expect(_getTopLevelVarType(ar.unit, 'A2'), 'int'); | |
172 } | |
173 { | |
174 AnalysisResult br = allResults.firstWhere((r) => r.path == b); | |
175 expect(_getTopLevelVarType(br.unit, 'B1'), 'int'); | |
176 } | |
177 | |
178 // Clear the results and update "a". | |
179 allResults.clear(); | |
180 provider.updateFile( | |
181 a, | |
182 r''' | |
183 import 'b.dart'; | |
184 var A1 = 1.2; | |
185 var A2 = B1; | |
186 '''); | |
187 driver.changeFile(a); | |
188 | |
189 // We again get results for both "a" and "b". | |
190 // The results are consistent. | |
191 await _waitForIdle(); | |
192 expect(allResults, hasLength(2)); | |
193 { | |
194 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
195 expect(_getTopLevelVarType(ar.unit, 'A1'), 'double'); | |
196 expect(_getTopLevelVarType(ar.unit, 'A2'), 'double'); | |
197 } | |
198 { | |
199 AnalysisResult br = allResults.firstWhere((r) => r.path == b); | |
200 expect(_getTopLevelVarType(br.unit, 'B1'), 'double'); | |
201 } | |
202 } | |
203 | |
204 test_changeFile_single() async { | |
205 _addTestFile('var V = 1;', priority: true); | |
206 | |
207 // Initial analysis. | |
208 { | |
209 await _waitForIdle(); | |
210 expect(allResults, hasLength(1)); | |
211 AnalysisResult result = allResults[0]; | |
212 expect(result.path, testFile); | |
213 expect(_getTopLevelVarType(result.unit, 'V'), 'int'); | |
214 } | |
215 | |
216 // Update the file, but don't notify the driver. | |
217 allResults.clear(); | |
218 provider.updateFile(testFile, 'var V = 1.2'); | |
219 | |
220 // No new results. | |
221 await pumpEventQueue(); | |
222 expect(allResults, isEmpty); | |
223 | |
224 // Notify the driver about the change. | |
225 driver.changeFile(testFile); | |
226 | |
227 // We get a new result. | |
228 { | |
229 await _waitForIdle(); | |
230 expect(allResults, hasLength(1)); | |
231 AnalysisResult result = allResults[0]; | |
232 expect(result.path, testFile); | |
233 expect(_getTopLevelVarType(result.unit, 'V'), 'double'); | |
234 } | |
235 } | |
236 | |
72 test_getResult() async { | 237 test_getResult() async { |
73 String content = 'int f() => 42;'; | 238 String content = 'int f() => 42;'; |
74 _addTestFile(content, priority: true); | 239 _addTestFile(content, priority: true); |
75 | 240 |
76 AnalysisResult result = await driver.getResult(testFile); | 241 AnalysisResult result = await driver.getResult(testFile); |
77 expect(result.path, testFile); | 242 expect(result.path, testFile); |
78 expect(result.uri.toString(), 'package:test/test.dart'); | 243 expect(result.uri.toString(), 'package:test/test.dart'); |
79 expect(result.content, content); | 244 expect(result.content, content); |
80 expect(result.contentHash, _md5(content)); | 245 expect(result.contentHash, _md5(content)); |
81 expect(result.unit, isNotNull); | 246 expect(result.unit, isNotNull); |
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100 { | 265 { |
101 AnalysisError error = result.errors[0]; | 266 AnalysisError error = result.errors[0]; |
102 expect(error.offset, 13); | 267 expect(error.offset, 13); |
103 expect(error.length, 2); | 268 expect(error.length, 2); |
104 expect(error.errorCode, HintCode.UNUSED_LOCAL_VARIABLE); | 269 expect(error.errorCode, HintCode.UNUSED_LOCAL_VARIABLE); |
105 expect(error.message, "The value of the local variable 'vv' isn't used."); | 270 expect(error.message, "The value of the local variable 'vv' isn't used."); |
106 expect(error.correction, "Try removing the variable, or using it."); | 271 expect(error.correction, "Try removing the variable, or using it."); |
107 } | 272 } |
108 } | 273 } |
109 | 274 |
275 test_getResult_selfConsistent() async { | |
276 var a = _p('/test/lib/a.dart'); | |
277 var b = _p('/test/lib/b.dart'); | |
278 provider.newFile( | |
279 a, | |
280 r''' | |
281 import 'b.dart'; | |
282 var A1 = 1; | |
283 var A2 = B1; | |
284 '''); | |
285 provider.newFile( | |
286 b, | |
287 r''' | |
288 import 'a.dart'; | |
289 var B1 = A1; | |
290 '''); | |
291 | |
292 driver.addFile(a); | |
293 driver.addFile(b); | |
294 await _waitForIdle(); | |
295 | |
296 { | |
297 AnalysisResult result = await driver.getResult(a); | |
298 expect(_getTopLevelVarType(result.unit, 'A1'), 'int'); | |
299 expect(_getTopLevelVarType(result.unit, 'A2'), 'int'); | |
300 } | |
301 | |
302 // Update "a" that that "A1" is now "double". | |
Brian Wilkerson
2016/10/27 20:08:17
"that that"?
| |
303 // Get result for "a". | |
304 // | |
305 // Even though we have not notified the driver about the change, | |
306 // we still get "double" for "A1", because getResult() re-read the content. | |
307 // | |
308 // We also get "double" for "A2", even though "A2" has the type from "b". | |
309 // That's because we check for "a" API signature consistency, and because | |
310 // it has changed, we invalidated the dependency cache, relinked libraries | |
311 // and recomputed types. | |
312 provider.updateFile( | |
313 a, | |
314 r''' | |
315 import 'b.dart'; | |
316 var A1 = 1.2; | |
317 var A2 = B1; | |
318 '''); | |
319 { | |
320 AnalysisResult result = await driver.getResult(a); | |
321 expect(_getTopLevelVarType(result.unit, 'A1'), 'double'); | |
322 expect(_getTopLevelVarType(result.unit, 'A2'), 'double'); | |
323 } | |
324 } | |
325 | |
326 test_getResult_thenRemove() async { | |
327 _addTestFile('main() {}', priority: true); | |
328 | |
329 Future<AnalysisResult> resultFuture = driver.getResult(testFile); | |
330 driver.removeFile(testFile); | |
331 | |
332 AnalysisResult result = await resultFuture; | |
333 expect(result, isNotNull); | |
334 expect(result.path, testFile); | |
335 expect(result.unit, isNotNull); | |
336 } | |
337 | |
338 test_getResult_twoPendingFutures() async { | |
339 String content = 'main() {}'; | |
340 _addTestFile(content, priority: true); | |
341 | |
342 Future<AnalysisResult> future1 = driver.getResult(testFile); | |
343 Future<AnalysisResult> future2 = driver.getResult(testFile); | |
344 | |
345 // Both futures complete, with the same result. | |
346 AnalysisResult result1 = await future1; | |
347 AnalysisResult result2 = await future2; | |
348 expect(result2, same(result1)); | |
349 expect(result1.path, testFile); | |
350 expect(result1.unit, isNotNull); | |
351 } | |
352 | |
353 test_removeFile_changeFile_implicitlyAnalyzed() async { | |
354 var a = _p('/test/lib/a.dart'); | |
355 var b = _p('/test/lib/b.dart'); | |
356 provider.newFile( | |
357 a, | |
358 r''' | |
359 import 'b.dart'; | |
360 var A = B; | |
361 '''); | |
362 provider.newFile(b, 'var B = 1;'); | |
363 | |
364 driver.priorityFiles = [a, b]; | |
365 driver.addFile(a); | |
366 driver.addFile(b); | |
367 | |
368 // We have results for both "a" and "b". | |
369 await _waitForIdle(); | |
370 expect(allResults, hasLength(2)); | |
371 { | |
372 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
373 expect(_getTopLevelVarType(ar.unit, 'A'), 'int'); | |
374 } | |
375 { | |
376 AnalysisResult br = allResults.firstWhere((r) => r.path == b); | |
377 expect(_getTopLevelVarType(br.unit, 'B'), 'int'); | |
378 } | |
379 allResults.clear(); | |
380 | |
381 // Remove "b" and send the change notification. | |
382 provider.updateFile(b, 'var B = 1.2;'); | |
383 driver.removeFile(b); | |
384 driver.changeFile(b); | |
385 | |
386 // While "b" is not analyzed explicitly, it is analyzed implicitly. | |
387 // We don't get a result for "b". | |
388 // But the change causes "a" to be reanalyzed. | |
389 await _waitForIdle(); | |
390 expect(allResults, hasLength(1)); | |
391 { | |
392 AnalysisResult ar = allResults.firstWhere((r) => r.path == a); | |
393 expect(_getTopLevelVarType(ar.unit, 'A'), 'double'); | |
394 } | |
395 } | |
396 | |
397 test_removeFile_changeFile_notAnalyzed() async { | |
398 _addTestFile('main() {}'); | |
399 | |
400 // We have a result. | |
401 await _waitForIdle(); | |
402 expect(allResults, hasLength(1)); | |
403 expect(allResults[0].path, testFile); | |
404 allResults.clear(); | |
405 | |
406 // Remove the file and send the change notification. | |
407 // The change notification does nothing, because the file is explicitly | |
408 // or implicitly analyzed. | |
409 driver.removeFile(testFile); | |
410 driver.changeFile(testFile); | |
411 | |
412 await _waitForIdle(); | |
413 expect(allResults, isEmpty); | |
414 } | |
415 | |
110 test_results_priority() async { | 416 test_results_priority() async { |
111 String content = 'int f() => 42;'; | 417 String content = 'int f() => 42;'; |
112 _addTestFile(content, priority: true); | 418 _addTestFile(content, priority: true); |
113 | 419 |
114 await _waitForIdle(); | 420 await _waitForIdle(); |
115 | 421 |
116 expect(allResults, hasLength(1)); | 422 expect(allResults, hasLength(1)); |
117 AnalysisResult result = allResults.single; | 423 AnalysisResult result = allResults.single; |
118 expect(result.path, testFile); | 424 expect(result.path, testFile); |
119 expect(result.uri.toString(), 'package:test/test.dart'); | 425 expect(result.uri.toString(), 'package:test/test.dart'); |
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175 } | 481 } |
176 | 482 |
177 void _addTestFile(String content, {bool priority: false}) { | 483 void _addTestFile(String content, {bool priority: false}) { |
178 provider.newFile(testFile, content); | 484 provider.newFile(testFile, content); |
179 driver.addFile(testFile); | 485 driver.addFile(testFile); |
180 if (priority) { | 486 if (priority) { |
181 driver.priorityFiles = [testFile]; | 487 driver.priorityFiles = [testFile]; |
182 } | 488 } |
183 } | 489 } |
184 | 490 |
491 VariableDeclaration _getTopLevelVar(CompilationUnit unit, String name) { | |
492 for (CompilationUnitMember declaration in unit.declarations) { | |
493 if (declaration is TopLevelVariableDeclaration) { | |
494 for (VariableDeclaration variable in declaration.variables.variables) { | |
495 if (variable.name.name == name) { | |
496 return variable; | |
497 } | |
498 } | |
499 } | |
500 } | |
501 fail('Cannot find the top-level variable $name in\n$unit'); | |
502 return null; | |
503 } | |
504 | |
505 String _getTopLevelVarType(CompilationUnit unit, String name) { | |
506 return _getTopLevelVar(unit, name).element.type.toString(); | |
507 } | |
508 | |
185 /** | 509 /** |
186 * Return the [provider] specific path for the given Posix [path]. | 510 * Return the [provider] specific path for the given Posix [path]. |
187 */ | 511 */ |
188 String _p(String path) => provider.convertPath(path); | 512 String _p(String path) => provider.convertPath(path); |
189 | 513 |
190 Future<Null> _waitForIdle() async { | 514 Future<Null> _waitForIdle() async { |
191 await statusSplitter.split().firstWhere((status) => status.isIdle); | 515 await idleStatusMonitor.signal; |
192 } | 516 } |
193 | 517 |
194 static String _md5(String content) { | 518 static String _md5(String content) { |
195 return hex.encode(md5.convert(UTF8.encode(content)).bytes); | 519 return hex.encode(md5.convert(UTF8.encode(content)).bytes); |
196 } | 520 } |
197 } | 521 } |
198 | 522 |
523 class _Monitor { | |
524 Completer<Null> _completer = new Completer<Null>(); | |
525 | |
526 Future<Null> get signal async { | |
527 await _completer.future; | |
528 _completer = new Completer<Null>(); | |
529 } | |
530 | |
531 void notify() { | |
532 if (!_completer.isCompleted) { | |
533 _completer.complete(null); | |
534 } | |
535 } | |
536 } | |
537 | |
199 class _TestByteStore implements ByteStore { | 538 class _TestByteStore implements ByteStore { |
200 final map = <String, List<int>>{}; | 539 final map = <String, List<int>>{}; |
201 | 540 |
202 @override | 541 @override |
203 List<int> get(String key) { | 542 List<int> get(String key) { |
204 return map[key]; | 543 return map[key]; |
205 } | 544 } |
206 | 545 |
207 @override | 546 @override |
208 void put(String key, List<int> bytes) { | 547 void put(String key, List<int> bytes) { |
209 map[key] = bytes; | 548 map[key] = bytes; |
210 } | 549 } |
211 } | 550 } |
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