| // Copyright (c) 2014, 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. |
| |
| library testing.mock_sdk; |
| |
| import 'package:analyzer/file_system/file_system.dart' as resource; |
| import 'package:analyzer/file_system/memory_file_system.dart' as resource; |
| import 'package:analyzer/src/context/context.dart'; |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:analyzer/src/generated/sdk.dart'; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:analyzer/src/summary/idl.dart' show PackageBundle; |
| import 'package:analyzer/src/summary/summary_file_builder.dart'; |
| |
| class MockSdk implements DartSdk { |
| static const MockSdkLibrary LIB_CORE = |
| const MockSdkLibrary('dart:core', '/lib/core/core.dart', ''' |
| library dart.core; |
| |
| import 'dart:async'; |
| import 'dart:_internal'; |
| |
| class Object { |
| const Object(); |
| bool operator ==(other) => identical(this, other); |
| String toString() => 'a string'; |
| int get hashCode => 0; |
| Type get runtimeType => null; |
| dynamic noSuchMethod(Invocation invocation) => null; |
| } |
| |
| class Function {} |
| class StackTrace {} |
| class Symbol {} |
| class Type {} |
| |
| abstract class Comparable<T> { |
| int compareTo(T other); |
| } |
| |
| abstract class String implements Comparable<String> { |
| external factory String.fromCharCodes(Iterable<int> charCodes, |
| [int start = 0, int end]); |
| bool get isEmpty => false; |
| bool get isNotEmpty => false; |
| int get length => 0; |
| String toUpperCase(); |
| List<int> get codeUnits; |
| } |
| |
| class bool extends Object {} |
| |
| abstract class num implements Comparable<num> { |
| bool operator <(num other); |
| bool operator <=(num other); |
| bool operator >(num other); |
| bool operator >=(num other); |
| num operator +(num other); |
| num operator -(num other); |
| num operator *(num other); |
| num operator /(num other); |
| int operator ^(int other); |
| int operator &(int other); |
| int operator |(int other); |
| int operator <<(int other); |
| int operator >>(int other); |
| int operator ~/(num other); |
| num operator %(num other); |
| int operator ~(); |
| int toInt(); |
| double toDouble(); |
| num abs(); |
| int round(); |
| } |
| |
| abstract class int extends num { |
| bool get isEven => false; |
| int operator -(); |
| external static int parse(String source, |
| { int radix, |
| int onError(String source) }); |
| } |
| |
| abstract class double extends num { |
| static const double NAN = 0.0 / 0.0; |
| static const double INFINITY = 1.0 / 0.0; |
| static const double NEGATIVE_INFINITY = -INFINITY; |
| static const double MIN_POSITIVE = 5e-324; |
| static const double MAX_FINITE = 1.7976931348623157e+308; |
| |
| double remainder(num other); |
| double operator +(num other); |
| double operator -(num other); |
| double operator *(num other); |
| double operator %(num other); |
| double operator /(num other); |
| int operator ~/(num other); |
| double operator -(); |
| double abs(); |
| double get sign; |
| int round(); |
| int floor(); |
| int ceil(); |
| int truncate(); |
| double roundToDouble(); |
| double floorToDouble(); |
| double ceilToDouble(); |
| double truncateToDouble(); |
| external static double parse(String source, |
| [double onError(String source)]); |
| } |
| |
| class DateTime extends Object {} |
| class Null extends Object {} |
| |
| class Deprecated extends Object { |
| final String expires; |
| const Deprecated(this.expires); |
| } |
| const Object deprecated = const Deprecated("next release"); |
| |
| class Exception { |
| factory Exception([var message]); |
| } |
| |
| class Iterator<E> { |
| bool moveNext(); |
| E get current; |
| } |
| |
| abstract class Iterable<E> { |
| Iterator<E> get iterator; |
| bool get isEmpty; |
| void forEach(void f(E element)); |
| Iterable<T> map<T>(T f(E e)) => null; |
| T fold<T>(T initialValue, T combine(T previousValue, E element)); |
| List<E> toList({bool growable: true}); |
| } |
| |
| class List<E> implements Iterable<E> { |
| List(); |
| void add(E value) {} |
| void addAll(Iterable<E> iterable) {} |
| List<R> cast<R>(); |
| E operator [](int index) => null; |
| void operator []=(int index, E value) {} |
| Iterator<E> get iterator => null; |
| void clear() {} |
| Iterable<E> where(bool test(E element)) {} |
| |
| bool get isEmpty => false; |
| E get first => null; |
| E get last => null; |
| } |
| |
| abstract class Map<K, V> extends Object { |
| Iterable<K> get keys; |
| int get length; |
| Iterable<V> get values; |
| V operator [](K key) => null; |
| void operator []=(K key, V value) {} |
| Map<RK, RV> cast<RK, RV>(); |
| bool containsKey(Object key); |
| } |
| |
| external bool identical(Object a, Object b); |
| |
| void print(Object object) {} |
| |
| class Set<E> implements Iterable<E> { |
| Set<R> cast<R>(); |
| } |
| |
| class Uri { |
| static List<int> parseIPv6Address(String host, [int start = 0, int end]) { |
| int parseHex(int start, int end) { |
| return 0; |
| } |
| return null; |
| } |
| } |
| |
| class _Override { const _Override(); } |
| const Object override = const _Override(); |
| '''); |
| static const MockSdkLibrary LIB_ASYNC = |
| const MockSdkLibrary('dart:async', '/lib/async/async.dart', ''' |
| library dart.async; |
| |
| import 'dart:math'; |
| |
| class Future<T> { |
| factory Future(computation()) => null; |
| factory Future.delayed(Duration duration, [T computation()]) => null; |
| factory Future.value([value]) => null; |
| static Future wait(List<Future> futures) => null; |
| } |
| |
| class FutureOr<T> {} |
| |
| class Stream<T> {} |
| abstract class StreamTransformer<S, T> {} |
| '''); |
| |
| static const MockSdkLibrary LIB_COLLECTION = const MockSdkLibrary( |
| 'dart:collection', '/lib/collection/collection.dart', ''' |
| library dart.collection; |
| |
| abstract class HashMap<K, V> implements Map<K, V> {} |
| abstract class LinkedHashMap<K, V> implements Map<K, V> {} |
| '''); |
| |
| static const MockSdkLibrary LIB_CONVERT = |
| const MockSdkLibrary('dart:convert', '/lib/convert/convert.dart', ''' |
| library dart.convert; |
| |
| import 'dart:async'; |
| |
| abstract class Converter<S, T> implements StreamTransformer {} |
| class JsonDecoder extends Converter<String, Object> {} |
| '''); |
| |
| static const MockSdkLibrary LIB_MATH = |
| const MockSdkLibrary('dart:math', '/lib/math/math.dart', ''' |
| library dart.math; |
| const double E = 2.718281828459045; |
| const double PI = 3.1415926535897932; |
| const double LN10 = 2.302585092994046; |
| T min<T extends num>(T a, T b) => null; |
| T max<T extends num>(T a, T b) => null; |
| external double cos(num radians); |
| external num pow(num x, num exponent); |
| external double sin(num radians); |
| external double sqrt(num x); |
| class Random { |
| bool nextBool() => true; |
| double nextDouble() => 2.0; |
| int nextInt() => 1; |
| } |
| '''); |
| |
| static const MockSdkLibrary LIB_HTML = const MockSdkLibrary( |
| 'dart:html', '/lib/html/dartium/html_dartium.dart', ''' |
| library dart.html; |
| class HtmlElement {} |
| '''); |
| |
| static const MockSdkLibrary LIB_INTERNAL = |
| const MockSdkLibrary('dart:_internal', '/lib/internal/internal.dart', ''' |
| library dart._internal; |
| external void printToConsole(String line); |
| '''); |
| |
| static const List<SdkLibrary> LIBRARIES = const [ |
| LIB_CORE, |
| LIB_ASYNC, |
| LIB_COLLECTION, |
| LIB_CONVERT, |
| LIB_MATH, |
| LIB_HTML, |
| LIB_INTERNAL, |
| ]; |
| |
| static const String librariesContent = r''' |
| const Map<String, LibraryInfo> libraries = const { |
| "async": const LibraryInfo("async/async.dart"), |
| "collection": const LibraryInfo("collection/collection.dart"), |
| "convert": const LibraryInfo("convert/convert.dart"), |
| "core": const LibraryInfo("core/core.dart"), |
| "html": const LibraryInfo("html/dartium/html_dartium.dart"), |
| "math": const LibraryInfo("math/math.dart"), |
| "_internal": const LibraryInfo("internal/internal.dart"), |
| }; |
| '''; |
| |
| final resource.MemoryResourceProvider provider; |
| |
| /** |
| * The [AnalysisContext] which is used for all of the sources. |
| */ |
| InternalAnalysisContext _analysisContext; |
| |
| /** |
| * The cached linked bundle of the SDK. |
| */ |
| PackageBundle _bundle; |
| |
| MockSdk( |
| {bool generateSummaryFiles: false, |
| resource.ResourceProvider resourceProvider}) |
| : provider = resourceProvider ?? new resource.MemoryResourceProvider() { |
| LIBRARIES.forEach((SdkLibrary library) { |
| provider.newFile(provider.convertPath(library.path), |
| (library as MockSdkLibrary).content); |
| }); |
| provider.newFile( |
| provider.convertPath( |
| '/lib/_internal/sdk_library_metadata/lib/libraries.dart'), |
| librariesContent); |
| if (generateSummaryFiles) { |
| List<int> bytes = _computeLinkedBundleBytes(); |
| provider.newFileWithBytes( |
| provider.convertPath('/lib/_internal/strong.sum'), bytes); |
| } |
| } |
| |
| @override |
| AnalysisContext get context { |
| if (_analysisContext == null) { |
| _analysisContext = new SdkAnalysisContext(null); |
| SourceFactory factory = new SourceFactory([new DartUriResolver(this)]); |
| _analysisContext.sourceFactory = factory; |
| } |
| return _analysisContext; |
| } |
| |
| @override |
| List<SdkLibrary> get sdkLibraries => LIBRARIES; |
| |
| @override |
| String get sdkVersion => throw unimplemented; |
| |
| UnimplementedError get unimplemented => new UnimplementedError(); |
| |
| @override |
| List<String> get uris { |
| List<String> uris = <String>[]; |
| for (SdkLibrary library in LIBRARIES) { |
| uris.add(library.shortName); |
| } |
| return uris; |
| } |
| |
| @override |
| Source fromFileUri(Uri uri) { |
| String filePath = provider.pathContext.fromUri(uri); |
| for (SdkLibrary library in sdkLibraries) { |
| String libraryPath = provider.convertPath(library.path); |
| if (filePath == libraryPath) { |
| try { |
| resource.File file = provider.getResource(filePath); |
| Uri dartUri = Uri.parse(library.shortName); |
| return file.createSource(dartUri); |
| } catch (exception) { |
| return null; |
| } |
| } |
| String libraryRootPath = provider.pathContext.dirname(libraryPath) + |
| provider.pathContext.separator; |
| if (filePath.startsWith(libraryRootPath)) { |
| String pathInLibrary = filePath.substring(libraryRootPath.length); |
| String uriStr = '${library.shortName}/$pathInLibrary'; |
| try { |
| resource.File file = provider.getResource(filePath); |
| Uri dartUri = Uri.parse(uriStr); |
| return file.createSource(dartUri); |
| } catch (exception) { |
| return null; |
| } |
| } |
| } |
| return null; |
| } |
| |
| @override |
| PackageBundle getLinkedBundle() { |
| if (_bundle == null) { |
| resource.File summaryFile = |
| provider.getFile(provider.convertPath('/lib/_internal/strong.sum')); |
| List<int> bytes; |
| if (summaryFile.exists) { |
| bytes = summaryFile.readAsBytesSync(); |
| } else { |
| bytes = _computeLinkedBundleBytes(); |
| } |
| _bundle = new PackageBundle.fromBuffer(bytes); |
| } |
| return _bundle; |
| } |
| |
| @override |
| SdkLibrary getSdkLibrary(String dartUri) { |
| // getSdkLibrary() is only used to determine whether a library is internal |
| // to the SDK. The mock SDK doesn't have any internals, so it's safe to |
| // return null. |
| return null; |
| } |
| |
| @override |
| Source mapDartUri(String dartUri) { |
| const Map<String, String> uriToPath = const { |
| "dart:core": "/lib/core/core.dart", |
| "dart:html": "/lib/html/dartium/html_dartium.dart", |
| "dart:async": "/lib/async/async.dart", |
| "dart:collection": "/lib/collection/collection.dart", |
| "dart:convert": "/lib/convert/convert.dart", |
| "dart:math": "/lib/math/math.dart", |
| "dart:_internal": "/lib/internal/internal.dart", |
| }; |
| |
| String path = uriToPath[dartUri]; |
| if (path != null) { |
| resource.File file = provider.getResource(provider.convertPath(path)); |
| Uri uri = new Uri(scheme: 'dart', path: dartUri.substring(5)); |
| return file.createSource(uri); |
| } |
| |
| // If we reach here then we tried to use a dartUri that's not in the |
| // table above. |
| return null; |
| } |
| |
| /** |
| * Compute the bytes of the linked bundle associated with this SDK. |
| */ |
| List<int> _computeLinkedBundleBytes() { |
| List<Source> librarySources = sdkLibraries |
| .map((SdkLibrary library) => mapDartUri(library.shortName)) |
| .toList(); |
| return new SummaryBuilder(librarySources, context).build(); |
| } |
| } |
| |
| class MockSdkLibrary implements SdkLibrary { |
| final String shortName; |
| final String path; |
| final String content; |
| |
| const MockSdkLibrary(this.shortName, this.path, this.content); |
| |
| @override |
| String get category => throw unimplemented; |
| |
| @override |
| bool get isDart2JsLibrary => throw unimplemented; |
| |
| @override |
| bool get isDocumented => throw unimplemented; |
| |
| @override |
| bool get isImplementation => false; |
| |
| @override |
| bool get isInternal => shortName.startsWith('dart:_'); |
| |
| @override |
| bool get isShared => throw unimplemented; |
| |
| @override |
| bool get isVmLibrary => throw unimplemented; |
| |
| UnimplementedError get unimplemented => new UnimplementedError(); |
| } |