| // 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 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/dart/ast/token.dart'; |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/error/listener.dart'; |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/src/context/cache.dart'; |
| import 'package:analyzer/src/dart/scanner/reader.dart'; |
| import 'package:analyzer/src/dart/scanner/scanner.dart'; |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:analyzer/src/generated/parser.dart'; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:analyzer/src/summary/bazel_summary.dart'; |
| import 'package:analyzer/src/summary/format.dart'; |
| import 'package:analyzer/src/summary/idl.dart'; |
| import 'package:analyzer/src/summary/summarize_ast.dart'; |
| import 'package:analyzer/src/summary/summarize_elements.dart'; |
| import 'package:analyzer/src/util/fast_uri.dart'; |
| import 'package:analyzer/task/dart.dart'; |
| import 'package:path/path.dart' as pathos; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../context/abstract_context.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(BazelResultProviderTest); |
| defineReflectiveTests(SummaryProviderTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class BazelResultProviderTest extends _BaseTest { |
| BazelResultProvider provider; |
| |
| @override |
| void setUp() { |
| super.setUp(); |
| provider = new BazelResultProvider(new SummaryProvider( |
| resourceProvider, |
| '_.temp', |
| _getOutputFolder, |
| resourceProvider |
| .getFolder(resourceProvider.convertPath('/tmp/dart/bazel/linked')), |
| context)); |
| } |
| |
| test_failure_inconsistent_directDependency() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| _setComponentFile('aaa', 'a.dart', 'class A2 {}'); |
| // The 'aaa' unlinked bundle in inconsistent, so 'bbb' linking fails. |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| CacheEntry entry = context.getCacheEntry(source); |
| expect(provider.compute(entry, LIBRARY_ELEMENT), isFalse); |
| } |
| |
| test_failure_missingDirectDependency() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.bbb'); |
| // We cannot find 'aaa' bundle, so 'bbb' linking fails. |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| CacheEntry entry = context.getCacheEntry(source); |
| expect(provider.compute(entry, LIBRARY_ELEMENT), isFalse); |
| } |
| |
| test_success_withoutDependencies() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| // Resynthesize 'aaa' library. |
| Source source = _resolveUri('package:components.aaa/a.dart'); |
| LibraryElement library = _resynthesizeLibrary(source); |
| List<ClassElement> types = library.definingCompilationUnit.types; |
| expect(types, hasLength(1)); |
| expect(types.single.name, 'A'); |
| } |
| |
| test_withDependency_import() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| // Prepare sources. |
| Source sourceA = _resolveUri('package:components.aaa/a.dart'); |
| Source sourceB = _resolveUri('package:components.bbb/b.dart'); |
| // Resynthesize 'bbb' library. |
| LibraryElement libraryB = _resynthesizeLibrary(sourceB); |
| List<ClassElement> types = libraryB.definingCompilationUnit.types; |
| expect(types, hasLength(1)); |
| ClassElement typeB = types.single; |
| expect(typeB.name, 'B'); |
| expect(typeB.supertype.name, 'A'); |
| // The LibraryElement for 'aaa' is not created at all. |
| expect(context.getResult(sourceA, LIBRARY_ELEMENT), isNull); |
| // But we can resynthesize it, and it's the same as from 'bbb'. |
| expect(provider.compute(context.getCacheEntry(sourceA), LIBRARY_ELEMENT), |
| isTrue); |
| LibraryElement libraryA = context.getResult(sourceA, LIBRARY_ELEMENT); |
| expect(libraryA, isNotNull); |
| expect(typeB.supertype.element.library, same(libraryA)); |
| } |
| |
| LibraryElement _resynthesizeLibrary(Source source) { |
| CacheEntry entry = context.getCacheEntry(source); |
| expect(provider.compute(entry, LIBRARY_ELEMENT), isTrue); |
| return context.getResult(source, LIBRARY_ELEMENT); |
| } |
| } |
| |
| @reflectiveTest |
| class SummaryProviderTest extends _BaseTest { |
| SummaryProvider manager; |
| |
| @override |
| void setUp() { |
| super.setUp(); |
| _createManager(); |
| } |
| |
| test_getLinkedPackages_cached() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| |
| // Session 1. |
| // Create linked bundles and store them in files. |
| { |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(2)); |
| } |
| |
| // Session 2. |
| // Recreate manager (with disabled linking) and ask again. |
| { |
| _createManager(allowLinking: false); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(2)); |
| } |
| } |
| |
| test_getLinkedPackages_cached_declaredVariables_export() { |
| _testImpl_getLinkedPackages_cached_declaredVariables('export'); |
| } |
| |
| test_getLinkedPackages_cached_declaredVariables_import() { |
| _testImpl_getLinkedPackages_cached_declaredVariables('import'); |
| } |
| |
| test_getLinkedPackages_null_inconsistent_directDependency() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| _setComponentFile('aaa', 'a.dart', 'class A2 {}'); |
| // The 'aaa' unlinked bundle in inconsistent, so 'bbb' linking fails. |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, isNull); |
| } |
| |
| test_getLinkedPackages_null_missingBundle() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| // We don't write 'aaa', so we cannot get its package. |
| // Ask the package for the URI. |
| Source source = _resolveUri('package:components.aaa/a.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, isNull); |
| } |
| |
| test_getLinkedPackages_null_missingDirectDependency() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.bbb'); |
| // We cannot find 'aaa' bundle, so 'bbb' linking fails. |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, isNull); |
| } |
| |
| test_getLinkedPackages_null_missingIndirectDependency() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _setComponentFile( |
| 'ccc', |
| 'c.dart', |
| r''' |
| import 'package:components.bbb/b.dart'; |
| class C extends B {} |
| '''); |
| _writeUnlinkedBundle('components.bbb'); |
| _writeUnlinkedBundle('components.ccc'); |
| // We cannot find 'aaa' bundle, so 'ccc' linking fails. |
| Source source = _resolveUri('package:components.ccc/c.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, isNull); |
| } |
| |
| test_getLinkedPackages_withDependency_export() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| export 'package:components.aaa/a.dart'; |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(2)); |
| } |
| |
| test_getLinkedPackages_withDependency_import() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(2)); |
| } |
| |
| test_getLinkedPackages_withDependency_import_cycle() { |
| _setComponentFile( |
| 'aaa', |
| 'a.dart', |
| r''' |
| import 'package:components.bbb/b.dart'; |
| class A {} |
| class A2 extends B {} |
| '''); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| class B2 extends A2 {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| Source source = _resolveUri('package:components.bbb/b.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(2)); |
| } |
| |
| test_getLinkedPackages_withDependency_import_indirect() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _setComponentFile( |
| 'bbb', |
| 'b.dart', |
| r''' |
| import 'package:components.aaa/a.dart'; |
| class B extends A {} |
| '''); |
| _setComponentFile( |
| 'ccc', |
| 'c.dart', |
| r''' |
| import 'package:components.bbb/b.dart'; |
| class C extends B {} |
| '''); |
| _writeUnlinkedBundle('components.aaa'); |
| _writeUnlinkedBundle('components.bbb'); |
| _writeUnlinkedBundle('components.ccc'); |
| Source source = _resolveUri('package:components.ccc/c.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(3)); |
| } |
| |
| test_getLinkedPackages_withoutDependencies() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| // Ask the package for the URI. |
| Source source = _resolveUri('package:components.aaa/a.dart'); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(1)); |
| } |
| |
| test_getUnlinkedForUri() { |
| _setComponentFile('aaa', 'a1.dart', 'class A1 {}'); |
| _setComponentFile('aaa', 'a2.dart', 'class A2 {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| // Ask the package for the URI. |
| Source source1 = _resolveUri('package:components.aaa/a1.dart'); |
| Source source2 = _resolveUri('package:components.aaa/a2.dart'); |
| Package package = manager.getUnlinkedForUri(source1.uri); |
| expect(package, isNotNull); |
| // The same instance is returned to another URI in the same package. |
| expect(manager.getUnlinkedForUri(source2.uri), same(package)); |
| } |
| |
| test_getUnlinkedForUri_inconsistent_fileContent() { |
| File file1 = _setComponentFile('aaa', 'a1.dart', 'class A1 {}'); |
| _setComponentFile('aaa', 'a2.dart', 'class A2 {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| // Update one of the files, so the bundle is not consistent. |
| file1.writeAsStringSync('\nclass A1 {}'); |
| Source source1 = _resolveUri('package:components.aaa/a1.dart'); |
| Source source2 = _resolveUri('package:components.aaa/a2.dart'); |
| expect(manager.getUnlinkedForUri(source1.uri), isNull); |
| expect(manager.getUnlinkedForUri(source2.uri), isNull); |
| } |
| |
| test_getUnlinkedForUri_inconsistent_majorVersion() { |
| _setComponentFile('aaa', 'a.dart', 'class A {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| Source source = _resolveUri('package:components.aaa/a.dart'); |
| |
| // Create manager with a different major version. |
| // The unlinked bundle cannot be used. |
| _createManager(majorVersion: 12345); |
| Package package = manager.getUnlinkedForUri(source.uri); |
| expect(package, isNull); |
| } |
| |
| void _createManager( |
| {bool allowLinking: true, |
| int majorVersion: PackageBundleAssembler.currentMajorVersion}) { |
| manager = new SummaryProvider(resourceProvider, '_.temp', _getOutputFolder, |
| resourceProvider.getFolder('/tmp/dart/bazel/linked'), context, |
| allowLinking: allowLinking, majorVersion: majorVersion); |
| } |
| |
| void _testImpl_getLinkedPackages_cached_declaredVariables( |
| String importOrExport) { |
| _setComponentFile( |
| 'aaa', |
| 'user.dart', |
| ''' |
| $importOrExport 'foo.dart' |
| if (dart.library.io) 'foo_io.dart' |
| if (dart.library.html) 'foo_html.dart'; |
| '''); |
| _setComponentFile('aaa', 'foo.dart', 'class B {}'); |
| _setComponentFile('aaa', 'foo_io.dart', 'class B {}'); |
| _setComponentFile('aaa', 'foo_dart.dart', 'class B {}'); |
| _writeUnlinkedBundle('components.aaa'); |
| Source source = _resolveUri('package:components.aaa/user.dart'); |
| |
| void _assertDependencyInUser(PackageBundle bundle, String shortName) { |
| for (var i = 0; i < bundle.linkedLibraryUris.length; i++) { |
| if (bundle.linkedLibraryUris[i].endsWith('user.dart')) { |
| LinkedLibrary library = bundle.linkedLibraries[i]; |
| expect(library.dependencies.map((d) => d.uri), |
| unorderedEquals(['', 'dart:core', shortName])); |
| return; |
| } |
| } |
| fail('Not found user.dart in $bundle'); |
| } |
| |
| // Session 1. |
| // Create linked bundles and store them in files. |
| { |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(1)); |
| _assertDependencyInUser(packages.single.linked, 'foo.dart'); |
| } |
| |
| // Session 2. |
| // Recreate manager and don't allow it to perform new linking. |
| // Set a declared variable, which is not used in the package. |
| // We still can get the cached linked bundle. |
| { |
| context.declaredVariables.define('not.used.variable', 'baz'); |
| _createManager(allowLinking: false); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(1)); |
| _assertDependencyInUser(packages.single.linked, 'foo.dart'); |
| } |
| |
| // Session 3. |
| // Recreate manager and don't allow it to perform new linking. |
| // Set the value of a referenced declared variable. |
| // So, we cannot use the previously cached linked bundle. |
| { |
| context.declaredVariables.define('dart.library.io', 'does-not-matter'); |
| _createManager(allowLinking: false); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, isEmpty); |
| } |
| |
| // Session 4. |
| // Enable new linking, and configure to use 'foo_html.dart'. |
| { |
| context.declaredVariables.define('dart.library.html', 'true'); |
| _createManager(allowLinking: true); |
| List<Package> packages = manager.getLinkedPackages(source); |
| expect(packages, hasLength(1)); |
| _assertDependencyInUser(packages.single.linked, 'foo_html.dart'); |
| } |
| } |
| } |
| |
| class _BaseTest extends AbstractContextTest { |
| String sourceRoot; |
| String outRoot; |
| |
| @override |
| void setUp() { |
| super.setUp(); |
| // Include a 'package' URI resolver. |
| sourceRoot = resourceProvider.convertPath('/company/src/user/project/root'); |
| outRoot = resourceProvider.pathContext.join(sourceRoot, 'bazel-bin'); |
| sourceFactory = new SourceFactory(<UriResolver>[ |
| sdkResolver, |
| resourceResolver, |
| new _TestPackageResolver(resourceProvider, sourceRoot) |
| ], null, resourceProvider); |
| context.sourceFactory = sourceFactory; |
| } |
| |
| Folder _getOutputFolder(Uri absoluteUri) { |
| var pathContext = resourceProvider.pathContext; |
| if (absoluteUri.scheme == 'package') { |
| List<String> segments = absoluteUri.pathSegments; |
| if (segments.isNotEmpty) { |
| String packageName = segments.first; |
| String path = pathContext.join( |
| outRoot, packageName.replaceAll('.', pathContext.separator)); |
| return resourceProvider.getFolder(path); |
| } |
| } |
| return null; |
| } |
| |
| Source _resolveUri(String uri) { |
| return context.sourceFactory.resolveUri(null, uri); |
| } |
| |
| File _setComponentFile(String componentName, String fileName, String code) { |
| String path = resourceProvider.pathContext |
| .join(sourceRoot, 'components', componentName, 'lib', fileName); |
| return resourceProvider.newFile(path, code); |
| } |
| |
| void _writeUnlinkedBundle(String packageName) { |
| var pathContext = resourceProvider.pathContext; |
| String packagePath = packageName.replaceAll('.', pathContext.separator); |
| PackageBundleBuilder unlinkedBundle = _computeUnlinkedBundle( |
| resourceProvider, |
| packageName, |
| resourceProvider |
| .getFolder(pathContext.join(sourceRoot, packagePath, 'lib')), |
| true); |
| String shortName = packageName.substring(packageName.lastIndexOf('.') + 1); |
| resourceProvider.newFileWithBytes( |
| pathContext.join(outRoot, packagePath, shortName) + '.full.ds', |
| unlinkedBundle.toBuffer()); |
| } |
| |
| static PackageBundleBuilder _computeUnlinkedBundle(ResourceProvider provider, |
| String packageName, Folder libFolder, bool strong) { |
| var pathContext = provider.pathContext; |
| String libPath = libFolder.path + pathContext.separator; |
| PackageBundleAssembler assembler = new PackageBundleAssembler(); |
| |
| /** |
| * Return the `package` [Uri] for the given [path] in the `lib` folder |
| * of the current package. |
| */ |
| Uri getUri(String path) { |
| String pathInLib = path.substring(libPath.length); |
| String uriPath = pathos.posix.joinAll(pathContext.split(pathInLib)); |
| String uriStr = 'package:$packageName/$uriPath'; |
| return FastUri.parse(uriStr); |
| } |
| |
| /** |
| * If the given [file] is a Dart file, add its unlinked unit. |
| */ |
| void addDartFile(File file) { |
| String path = file.path; |
| if (AnalysisEngine.isDartFileName(path)) { |
| Uri uri = getUri(path); |
| Source source = file.createSource(uri); |
| CompilationUnit unit = _parse(source, strong); |
| UnlinkedUnitBuilder unlinkedUnit = serializeAstUnlinked(unit); |
| assembler.addUnlinkedUnit(source, unlinkedUnit); |
| } |
| } |
| |
| /** |
| * Visit the [folder] recursively. |
| */ |
| void addDartFiles(Folder folder) { |
| List<Resource> children = folder.getChildren(); |
| for (Resource child in children) { |
| if (child is File) { |
| addDartFile(child); |
| } |
| } |
| for (Resource child in children) { |
| if (child is Folder) { |
| addDartFiles(child); |
| } |
| } |
| } |
| |
| addDartFiles(libFolder); |
| return assembler.assemble(); |
| } |
| |
| /** |
| * Parse the given [source] into AST. |
| */ |
| static CompilationUnit _parse(Source source, bool strong) { |
| String code = source.contents.data; |
| AnalysisErrorListener errorListener = AnalysisErrorListener.NULL_LISTENER; |
| CharSequenceReader reader = new CharSequenceReader(code); |
| Scanner scanner = new Scanner(source, reader, errorListener); |
| scanner.scanGenericMethodComments = strong; |
| Token token = scanner.tokenize(); |
| LineInfo lineInfo = new LineInfo(scanner.lineStarts); |
| Parser parser = new Parser(source, errorListener); |
| parser.parseGenericMethodComments = strong; |
| CompilationUnit unit = parser.parseCompilationUnit(token); |
| unit.lineInfo = lineInfo; |
| return unit; |
| } |
| } |
| |
| class _TestPackageResolver implements UriResolver { |
| final ResourceProvider resourceProvider; |
| final String sourceRoot; |
| |
| _TestPackageResolver(this.resourceProvider, this.sourceRoot); |
| |
| @override |
| Source resolveAbsolute(Uri uri, [Uri actualUri]) { |
| if (uri.scheme == 'package') { |
| List<String> segments = uri.pathSegments; |
| if (segments.isNotEmpty) { |
| pathos.Context pathContext = resourceProvider.pathContext; |
| String packageName = segments.first; |
| String folderPath = pathContext.join( |
| sourceRoot, packageName.replaceAll('.', pathContext.separator)); |
| String path = pathContext.join( |
| folderPath, 'lib', pathContext.joinAll(segments.skip(1))); |
| return resourceProvider.getFile(path).createSource(uri); |
| } |
| } |
| return null; |
| } |
| |
| @override |
| Uri restoreAbsolute(Source source) { |
| throw new UnimplementedError(); |
| } |
| } |