| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:convert'; |
| import 'dart:typed_data'; |
| |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/file_system/memory_file_system.dart'; |
| import 'package:analyzer/source/package_map_resolver.dart'; |
| import 'package:analyzer/src/dart/analysis/byte_store.dart'; |
| import 'package:analyzer/src/dart/analysis/driver.dart' show PerformanceLog; |
| import 'package:analyzer/src/dart/analysis/file_state.dart'; |
| import 'package:analyzer/src/generated/engine.dart' |
| show AnalysisOptions, AnalysisOptionsImpl; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:analyzer/src/util/fast_uri.dart'; |
| import 'package:convert/convert.dart'; |
| import 'package:crypto/crypto.dart'; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../../context/mock_sdk.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(FileSystemStateTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class FileSystemStateTest { |
| static final MockSdk sdk = new MockSdk(); |
| |
| final MemoryResourceProvider provider = new MemoryResourceProvider(); |
| final ByteStore byteStore = new MemoryByteStore(); |
| final FileContentOverlay contentOverlay = new FileContentOverlay(); |
| |
| final StringBuffer logBuffer = new StringBuffer(); |
| PerformanceLog logger; |
| |
| FileSystemState fileSystemState; |
| |
| void setUp() { |
| logger = new PerformanceLog(logBuffer); |
| SourceFactory sourceFactory = new SourceFactory([ |
| new DartUriResolver(sdk), |
| new PackageMapUriResolver(provider, <String, List<Folder>>{ |
| 'aaa': [provider.getFolder(_p('/aaa/lib'))], |
| 'bbb': [provider.getFolder(_p('/bbb/lib'))], |
| }), |
| new ResourceUriResolver(provider) |
| ], null, provider); |
| AnalysisOptions analysisOptions = new AnalysisOptionsImpl() |
| ..strongMode = true; |
| fileSystemState = new FileSystemState(logger, byteStore, contentOverlay, |
| provider, sourceFactory, analysisOptions, new Uint32List(0), ''); |
| } |
| |
| test_getFileForPath_doesNotExist() { |
| String path = _p('/aaa/lib/a.dart'); |
| FileState file = fileSystemState.getFileForPath(path); |
| expect(file.path, path); |
| expect(file.uri, FastUri.parse('package:aaa/a.dart')); |
| expect(file.content, ''); |
| expect(file.contentHash, _md5('')); |
| expect(file.importedFiles, isEmpty); |
| expect(file.exportedFiles, isEmpty); |
| expect(file.partedFiles, isEmpty); |
| expect(file.directReferencedFiles, isEmpty); |
| expect(file.isPart, isFalse); |
| expect(file.library, isNull); |
| expect(file.unlinked, isNotNull); |
| expect(file.unlinked.classes, isEmpty); |
| } |
| |
| test_getFileForPath_library() { |
| String a1 = _p('/aaa/lib/a1.dart'); |
| String a2 = _p('/aaa/lib/a2.dart'); |
| String a3 = _p('/aaa/lib/a3.dart'); |
| String a4 = _p('/aaa/lib/a4.dart'); |
| String b1 = _p('/bbb/lib/b1.dart'); |
| String b2 = _p('/bbb/lib/b2.dart'); |
| String content_a1 = r''' |
| import 'package:aaa/a2.dart'; |
| import 'package:bbb/b1.dart'; |
| export 'package:bbb/b2.dart'; |
| export 'package:aaa/a3.dart'; |
| part 'a4.dart'; |
| |
| class A1 {} |
| '''; |
| provider.newFile(a1, content_a1); |
| |
| FileState file = fileSystemState.getFileForPath(a1); |
| expect(file.path, a1); |
| expect(file.content, content_a1); |
| expect(file.contentHash, _md5(content_a1)); |
| |
| expect(file.isPart, isFalse); |
| expect(file.library, isNull); |
| expect(file.unlinked, isNotNull); |
| expect(file.unlinked.classes, hasLength(1)); |
| expect(file.unlinked.classes[0].name, 'A1'); |
| |
| expect(file.importedFiles, hasLength(2)); |
| expect(file.importedFiles[0].path, a2); |
| expect(file.importedFiles[0].uri, FastUri.parse('package:aaa/a2.dart')); |
| expect(file.importedFiles[0].source, isNotNull); |
| expect(file.importedFiles[1].path, b1); |
| expect(file.importedFiles[1].uri, FastUri.parse('package:bbb/b1.dart')); |
| expect(file.importedFiles[1].source, isNotNull); |
| |
| expect(file.exportedFiles, hasLength(2)); |
| expect(file.exportedFiles[0].path, b2); |
| expect(file.exportedFiles[0].uri, FastUri.parse('package:bbb/b2.dart')); |
| expect(file.exportedFiles[0].source, isNotNull); |
| expect(file.exportedFiles[1].path, a3); |
| expect(file.exportedFiles[1].uri, FastUri.parse('package:aaa/a3.dart')); |
| expect(file.exportedFiles[1].source, isNotNull); |
| |
| expect(file.partedFiles, hasLength(1)); |
| expect(file.partedFiles[0].path, a4); |
| expect(file.partedFiles[0].uri, FastUri.parse('package:aaa/a4.dart')); |
| |
| expect(file.directReferencedFiles, hasLength(5)); |
| |
| expect(fileSystemState.getFilesForPath(a1), [file]); |
| } |
| |
| test_getFileForPath_part() { |
| String a1 = _p('/aaa/lib/a1.dart'); |
| String a2 = _p('/aaa/lib/a2.dart'); |
| provider.newFile( |
| a1, |
| r''' |
| library a1; |
| part 'a2.dart'; |
| '''); |
| provider.newFile( |
| a2, |
| r''' |
| part of a1; |
| class A2 {} |
| '''); |
| |
| FileState file_a2 = fileSystemState.getFileForPath(a2); |
| expect(file_a2.path, a2); |
| expect(file_a2.uri, FastUri.parse('package:aaa/a2.dart')); |
| |
| expect(file_a2.unlinked, isNotNull); |
| expect(file_a2.unlinked.classes, hasLength(1)); |
| expect(file_a2.unlinked.classes[0].name, 'A2'); |
| |
| expect(file_a2.importedFiles, isEmpty); |
| expect(file_a2.exportedFiles, isEmpty); |
| expect(file_a2.partedFiles, isEmpty); |
| expect(file_a2.directReferencedFiles, isEmpty); |
| |
| // The library is not known yet. |
| expect(file_a2.isPart, isTrue); |
| expect(file_a2.library, isNull); |
| |
| // Ask for the library. |
| FileState file_a1 = fileSystemState.getFileForPath(a1); |
| expect(file_a1.partedFiles, hasLength(1)); |
| expect(file_a1.partedFiles[0], same(file_a2)); |
| expect(file_a1.directReferencedFiles, unorderedEquals([file_a2])); |
| |
| // Now the part knows its library. |
| expect(file_a2.library, same(file_a1)); |
| |
| // Now update the library, and refresh its file. |
| // The 'a2.dart' is not referenced anymore. |
| // So the part file does not have the library anymore. |
| provider.newFile( |
| a1, |
| r''' |
| library a1; |
| part 'not-a2.dart'; |
| '''); |
| file_a1.refresh(); |
| expect(file_a2.library, isNull); |
| } |
| |
| test_getFileForPath_samePath() { |
| String path = _p('/aaa/lib/a.dart'); |
| FileState file1 = fileSystemState.getFileForPath(path); |
| FileState file2 = fileSystemState.getFileForPath(path); |
| expect(file2, same(file1)); |
| } |
| |
| test_getFileForUri_packageVsFileUri() { |
| String path = _p('/aaa/lib/a.dart'); |
| var packageUri = FastUri.parse('package:aaa/a.dart'); |
| var fileUri = provider.pathContext.toUri(path); |
| |
| // The files with `package:` and `file:` URIs are different. |
| FileState filePackageUri = fileSystemState.getFileForUri(packageUri); |
| FileState fileFileUri = fileSystemState.getFileForUri(fileUri); |
| expect(filePackageUri, isNot(same(fileFileUri))); |
| |
| expect(filePackageUri.path, path); |
| expect(filePackageUri.uri, packageUri); |
| |
| expect(fileFileUri.path, path); |
| expect(fileFileUri.uri, fileUri); |
| |
| // The file with the `package:` style URI is canonical, and is the first. |
| var files = fileSystemState.getFilesForPath(path); |
| expect(files, [filePackageUri, fileFileUri]); |
| } |
| |
| test_referencedNames() { |
| String path = _p('/aaa/lib/a.dart'); |
| provider.newFile( |
| path, |
| r''' |
| A foo(B p) { |
| foo(null); |
| C c = new C(p); |
| return c; |
| } |
| '''); |
| FileState file = fileSystemState.getFileForPath(path); |
| expect(file.referencedNames, unorderedEquals(['A', 'B', 'C'])); |
| } |
| |
| test_refresh_differentApiSignature() { |
| String path = _p('/aaa/lib/a.dart'); |
| provider.newFile( |
| path, |
| r''' |
| class A {} |
| '''); |
| FileState file = fileSystemState.getFileForPath(path); |
| expect(file.unlinked.classes[0].name, 'A'); |
| List<int> signature = file.apiSignature; |
| |
| // Update the resource and refresh the file state. |
| provider.newFile( |
| path, |
| r''' |
| class B {} |
| '''); |
| bool apiSignatureChanged = file.refresh(); |
| expect(apiSignatureChanged, isTrue); |
| |
| expect(file.unlinked.classes[0].name, 'B'); |
| expect(file.apiSignature, isNot(signature)); |
| } |
| |
| test_refresh_sameApiSignature() { |
| String path = _p('/aaa/lib/a.dart'); |
| provider.newFile( |
| path, |
| r''' |
| class C { |
| foo() { |
| print(111); |
| } |
| } |
| '''); |
| FileState file = fileSystemState.getFileForPath(path); |
| List<int> signature = file.apiSignature; |
| |
| // Update the resource and refresh the file state. |
| provider.newFile( |
| path, |
| r''' |
| class C { |
| foo() { |
| print(222); |
| } |
| } |
| '''); |
| bool apiSignatureChanged = file.refresh(); |
| expect(apiSignatureChanged, isFalse); |
| |
| expect(file.apiSignature, signature); |
| } |
| |
| test_transitiveFiles() { |
| String pa = _p('/aaa/lib/a.dart'); |
| String pb = _p('/aaa/lib/b.dart'); |
| String pc = _p('/aaa/lib/c.dart'); |
| String pd = _p('/aaa/lib/d.dart'); |
| |
| FileState fa = fileSystemState.getFileForPath(pa); |
| FileState fb = fileSystemState.getFileForPath(pb); |
| FileState fc = fileSystemState.getFileForPath(pc); |
| FileState fd = fileSystemState.getFileForPath(pd); |
| |
| // Compute transitive closures for all files. |
| fa.transitiveFiles; |
| fb.transitiveFiles; |
| fc.transitiveFiles; |
| fd.transitiveFiles; |
| expect(fileSystemState.test.filesWithoutTransitiveFiles, isEmpty); |
| |
| // No imports, so just a single file. |
| provider.newFile(pa, ""); |
| _assertTransitiveFiles(fa, [fa]); |
| |
| // Import b.dart into a.dart, two files now. |
| provider.newFile(pa, "import 'b.dart';"); |
| fa.refresh(); |
| _assertFilesWithoutTransitiveFiles([fa]); |
| _assertTransitiveFiles(fa, [fa, fb]); |
| |
| // Update b.dart so that it imports c.dart now. |
| provider.newFile(pb, "import 'c.dart';"); |
| fb.refresh(); |
| _assertFilesWithoutTransitiveFiles([fa, fb]); |
| _assertTransitiveFiles(fa, [fa, fb, fc]); |
| _assertTransitiveFiles(fb, [fb, fc]); |
| _assertFilesWithoutTransitiveFiles([]); |
| |
| // Update b.dart so that it exports d.dart instead. |
| provider.newFile(pb, "export 'd.dart';"); |
| fb.refresh(); |
| _assertFilesWithoutTransitiveFiles([fa, fb]); |
| _assertTransitiveFiles(fa, [fa, fb, fd]); |
| _assertTransitiveFiles(fb, [fb, fd]); |
| _assertFilesWithoutTransitiveFiles([]); |
| |
| // Update a.dart so that it does not import b.dart anymore. |
| provider.newFile(pa, ""); |
| fa.refresh(); |
| _assertFilesWithoutTransitiveFiles([fa]); |
| _assertTransitiveFiles(fa, [fa]); |
| } |
| |
| test_transitiveFiles_cycle() { |
| String pa = _p('/aaa/lib/a.dart'); |
| String pb = _p('/aaa/lib/b.dart'); |
| |
| provider.newFile(pa, "import 'b.dart';"); |
| provider.newFile(pb, "import 'a.dart';"); |
| |
| FileState fa = fileSystemState.getFileForPath(pa); |
| FileState fb = fileSystemState.getFileForPath(pb); |
| |
| // Compute transitive closures for all files. |
| fa.transitiveFiles; |
| fb.transitiveFiles; |
| _assertFilesWithoutTransitiveFiles([]); |
| |
| // It's a cycle. |
| _assertTransitiveFiles(fa, [fa, fb]); |
| _assertTransitiveFiles(fb, [fa, fb]); |
| |
| // Update a.dart so that it does not import b.dart anymore. |
| provider.newFile(pa, ""); |
| fa.refresh(); |
| _assertFilesWithoutTransitiveFiles([fa, fb]); |
| _assertTransitiveFiles(fa, [fa]); |
| _assertTransitiveFiles(fb, [fa, fb]); |
| } |
| |
| test_transitiveSignature() { |
| String pa = _p('/aaa/lib/a.dart'); |
| String pb = _p('/aaa/lib/b.dart'); |
| String pc = _p('/aaa/lib/c.dart'); |
| String pd = _p('/aaa/lib/d.dart'); |
| |
| provider.newFile(pa, "class A {}"); |
| provider.newFile(pb, "import 'a.dart';"); |
| provider.newFile(pc, "import 'b.dart';"); |
| provider.newFile(pd, "class D {}"); |
| |
| FileState fa = fileSystemState.getFileForPath(pa); |
| FileState fb = fileSystemState.getFileForPath(pb); |
| FileState fc = fileSystemState.getFileForPath(pc); |
| FileState fd = fileSystemState.getFileForPath(pd); |
| |
| // Compute transitive closures for all files. |
| expect(fa.transitiveSignature, isNotNull); |
| expect(fb.transitiveSignature, isNotNull); |
| expect(fc.transitiveSignature, isNotNull); |
| expect(fd.transitiveSignature, isNotNull); |
| expect(fileSystemState.test.filesWithoutTransitiveFiles, isEmpty); |
| |
| // Make an update to a.dart that does not change its API signature. |
| // All transitive signatures are still valid. |
| provider.newFile(pa, "class A {} // the same API signature"); |
| fa.refresh(); |
| expect(fileSystemState.test.filesWithoutTransitiveFiles, isEmpty); |
| |
| // Change a.dart API signature, also flush signatures of b.dart and c.dart, |
| // but d.dart is still OK. |
| provider.newFile(pa, "class A2 {}"); |
| fa.refresh(); |
| _assertFilesWithoutTransitiveSignatures([fa, fb, fc]); |
| } |
| |
| void _assertFilesWithoutTransitiveFiles(List<FileState> expected) { |
| var actual = fileSystemState.test.filesWithoutTransitiveFiles; |
| expect(actual, unorderedEquals(expected)); |
| } |
| |
| void _assertFilesWithoutTransitiveSignatures(List<FileState> expected) { |
| var actual = fileSystemState.test.filesWithoutTransitiveSignature; |
| expect(actual, unorderedEquals(expected)); |
| } |
| |
| void _assertTransitiveFiles(FileState file, List<FileState> expected) { |
| expect(file.transitiveFiles, unorderedEquals(expected)); |
| } |
| |
| String _p(String path) => provider.convertPath(path); |
| |
| static String _md5(String content) { |
| return hex.encode(md5.convert(UTF8.encode(content)).bytes); |
| } |
| } |