blob: ecbbbb322bbfc8717626888ddb9a104e08339227 [file] [log] [blame]
// 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.
import 'dart:async';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/dart/element/element.dart';
import 'package:analyzer/dart/element/visitor.dart';
import 'package:analyzer/exception/exception.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/src/context/context_root.dart';
import 'package:analyzer/src/dart/analysis/driver.dart';
import 'package:analyzer/src/dart/analysis/file_state.dart';
import 'package:analyzer/src/file_system/file_system.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:analyzer/src/generated/engine.dart' as engine;
import 'package:analyzer/src/generated/parser.dart' as analyzer;
import 'package:analyzer/src/generated/sdk.dart';
import 'package:analyzer/src/generated/source_io.dart';
import 'package:analyzer/src/source/package_map_resolver.dart';
import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
import 'package:analyzer/src/dart/analysis/byte_store.dart';
import 'package:analyzer/src/dart/analysis/performance_logger.dart';
import 'mock_sdk.dart';
import 'src/utilities/flutter_util.dart';
/**
* Finds an [Element] with the given [name].
*/
Element findChildElement(Element root, String name, [ElementKind kind]) {
Element result = null;
root.accept(new _ElementVisitorFunctionWrapper((Element element) {
if (element.name != name) {
return;
}
if (kind != null && element.kind != kind) {
return;
}
result = element;
}));
return result;
}
/**
* A function to be called for every [Element].
*/
typedef void _ElementVisitorFunction(Element element);
class AbstractContextTest extends Object with ResourceProviderMixin {
DartSdk sdk;
Map<String, List<Folder>> packageMap;
UriResolver resourceResolver;
StringBuffer _logBuffer = new StringBuffer();
FileContentOverlay fileContentOverlay = new FileContentOverlay();
AnalysisDriver _driver;
AnalysisDriver get driver => _driver;
void addFlutterPackage() {
addMetaPackageSource();
Folder libFolder = configureFlutterPackage(resourceProvider);
packageMap['flutter'] = [libFolder];
configureDriver();
}
Source addMetaPackageSource() => addPackageSource('meta', 'meta.dart', r'''
library meta;
const _IsTest isTest = const _IsTest();
const _IsTestGroup isTestGroup = const _IsTestGroup();
const Required required = const Required();
class Required {
final String reason;
const Required([this.reason]);
}
class _IsTest {
const _IsTest();
}
class _IsTestGroup {
const _IsTestGroup();
}
''');
Source addPackageSource(String packageName, String filePath, String content) {
packageMap[packageName] = [newFolder('/pubcache/$packageName/lib')];
File file =
newFile('/pubcache/$packageName/lib/$filePath', content: content);
configureDriver();
return file.createSource();
}
Source addSource(String path, String content, [Uri uri]) {
File file = newFile(path, content: content);
Source source = file.createSource(uri);
driver.addFile(file.path);
driver.changeFile(file.path);
fileContentOverlay[file.path] = content;
return source;
}
/**
* Re-configure the driver. This is necessary, for example, after defining a
* new package that test code will reference.
*/
void configureDriver() {
driver.configure();
}
void configurePreviewDart2() {
driver.configure(
analysisOptions: new AnalysisOptionsImpl.from(driver.analysisOptions)
..previewDart2 = true);
}
void processRequiredPlugins() {
AnalysisEngine.instance.processRequiredPlugins();
}
Future<CompilationUnit> resolveLibraryUnit(Source source) async {
return (await driver.getResult(source.fullName))?.unit;
}
void setUp() {
processRequiredPlugins();
setupResourceProvider();
sdk = new MockSdk(resourceProvider: resourceProvider);
resourceResolver = new ResourceUriResolver(resourceProvider);
packageMap = new Map<String, List<Folder>>();
PackageMapUriResolver packageResolver =
new PackageMapUriResolver(resourceProvider, packageMap);
SourceFactory sourceFactory = new SourceFactory(
[new DartUriResolver(sdk), packageResolver, resourceResolver]);
PerformanceLog log = new PerformanceLog(_logBuffer);
AnalysisDriverScheduler scheduler = new AnalysisDriverScheduler(log);
_driver = new AnalysisDriver(
scheduler,
log,
resourceProvider,
new MemoryByteStore(),
fileContentOverlay,
new ContextRoot(resourceProvider.convertPath('/project'), [],
pathContext: resourceProvider.pathContext),
sourceFactory,
new AnalysisOptionsImpl()..useFastaParser = analyzer.Parser.useFasta);
scheduler.start();
AnalysisEngine.instance.logger = PrintLogger.instance;
}
void setupResourceProvider() {}
void tearDown() {
AnalysisEngine.instance.clearCaches();
AnalysisEngine.instance.logger = null;
}
}
/**
* Instances of the class [PrintLogger] print all of the errors.
*/
class PrintLogger implements Logger {
static final Logger instance = new PrintLogger();
@override
void logError(String message, [CaughtException exception]) {
print(message);
if (exception != null) {
print(exception);
}
}
@override
void logInformation(String message, [CaughtException exception]) {
print(message);
if (exception != null) {
print(exception);
}
}
}
/**
* Wraps the given [_ElementVisitorFunction] into an instance of
* [engine.GeneralizingElementVisitor].
*/
class _ElementVisitorFunctionWrapper extends GeneralizingElementVisitor {
final _ElementVisitorFunction function;
_ElementVisitorFunctionWrapper(this.function);
visitElement(Element element) {
function(element);
super.visitElement(element);
}
}