blob: f9e47a8f2a245ebfb6d6e4eaf59a8bf3e6f221eb [file] [log] [blame]
// 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/analysis/features.dart';
import 'package:analyzer/dart/analysis/results.dart';
import 'package:analyzer/dart/element/element.dart';
import 'package:analyzer/dart/element/visitor.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/src/context/packages.dart';
import 'package:analyzer/src/dart/analysis/byte_store.dart';
import 'package:analyzer/src/dart/analysis/driver.dart';
import 'package:analyzer/src/dart/analysis/experiments.dart';
import 'package:analyzer/src/dart/analysis/file_state.dart';
import 'package:analyzer/src/dart/analysis/performance_logger.dart';
import 'package:analyzer/src/dart/analysis/status.dart';
import 'package:analyzer/src/file_system/file_system.dart';
import 'package:analyzer/src/generated/engine.dart' show AnalysisOptionsImpl;
import 'package:analyzer/src/generated/parser.dart' as analyzer;
import 'package:analyzer/src/generated/sdk.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/source/package_map_resolver.dart';
import 'package:analyzer/src/summary/package_bundle_reader.dart';
import 'package:analyzer/src/test_utilities/mock_sdk.dart';
import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
import 'package:pub_semver/pub_semver.dart';
import 'package:test/test.dart';
/// Finds an [Element] with the given [name].
Element findChildElement(Element root, String name, [ElementKind kind]) {
Element result;
root.accept(_ElementVisitorFunctionWrapper((Element element) {
if (element.name != name) {
return;
}
if (kind != null && element.kind != kind) {
return;
}
result = element;
}));
return result;
}
typedef Predicate<E> = bool Function(E argument);
/// A function to be called for every [Element].
typedef _ElementVisitorFunction = void Function(Element element);
class BaseAnalysisDriverTest with ResourceProviderMixin {
DartSdk sdk;
final ByteStore byteStore = MemoryByteStore();
final FileContentOverlay contentOverlay = FileContentOverlay();
final StringBuffer logBuffer = StringBuffer();
PerformanceLog logger;
final _GeneratedUriResolverMock generatedUriResolver =
_GeneratedUriResolverMock();
AnalysisDriverScheduler scheduler;
AnalysisDriver driver;
final List<AnalysisStatus> allStatuses = <AnalysisStatus>[];
final List<ResolvedUnitResult> allResults = <ResolvedUnitResult>[];
final List<ExceptionResult> allExceptions = <ExceptionResult>[];
String testProject;
String testProject2;
String testFile;
String testCode;
List<String> enabledExperiments = [];
void addTestFile(String content, {bool priority = false}) {
testCode = content;
newFile(testFile, content: content);
driver.addFile(testFile);
if (priority) {
driver.priorityFiles = [testFile];
}
}
AnalysisDriver createAnalysisDriver(
{Map<String, List<Folder>> packageMap,
SummaryDataStore externalSummaries}) {
packageMap ??= <String, List<Folder>>{
'test': [getFolder('$testProject/lib')],
'aaa': [getFolder('/aaa/lib')],
'bbb': [getFolder('/bbb/lib')],
};
return AnalysisDriver(
scheduler,
logger,
resourceProvider,
byteStore,
contentOverlay,
null,
SourceFactory([
DartUriResolver(sdk),
generatedUriResolver,
PackageMapUriResolver(resourceProvider, packageMap),
ResourceUriResolver(resourceProvider)
]),
createAnalysisOptions(),
packages: Packages({
'test': Package(
name: 'test',
rootFolder: getFolder(testProject),
libFolder: getFolder('$testProject/lib'),
languageVersion: Version.parse('2.9.0'),
),
'aaa': Package(
name: 'aaa',
rootFolder: getFolder('/aaa'),
libFolder: getFolder('/aaa/lib'),
languageVersion: Version.parse('2.9.0'),
),
'bbb': Package(
name: 'bbb',
rootFolder: getFolder('/bbb'),
libFolder: getFolder('/bbb/lib'),
languageVersion: Version.parse('2.9.0'),
),
}),
enableIndex: true,
externalSummaries: externalSummaries);
}
AnalysisOptionsImpl createAnalysisOptions() => AnalysisOptionsImpl()
..useFastaParser = analyzer.Parser.useFasta
..contextFeatures = FeatureSet.fromEnableFlags2(
sdkLanguageVersion: ExperimentStatus.testingSdkLanguageVersion,
flags: enabledExperiments,
);
int findOffset(String search) {
int offset = testCode.indexOf(search);
if (offset < 0) {
fail("Did not find '$search' in\n$testCode");
}
return offset;
}
int getLeadingIdentifierLength(String search) {
int length = 0;
while (length < search.length) {
int c = search.codeUnitAt(length);
if (c >= 'a'.codeUnitAt(0) && c <= 'z'.codeUnitAt(0)) {
length++;
continue;
}
if (c >= 'A'.codeUnitAt(0) && c <= 'Z'.codeUnitAt(0)) {
length++;
continue;
}
if (c >= '0'.codeUnitAt(0) && c <= '9'.codeUnitAt(0)) {
length++;
continue;
}
break;
}
return length;
}
void setUp() {
sdk = MockSdk(resourceProvider: resourceProvider);
testProject = convertPath('/test');
testProject2 = convertPath('/test/lib');
testFile = convertPath('/test/lib/test.dart');
logger = PerformanceLog(logBuffer);
scheduler = AnalysisDriverScheduler(logger);
driver = createAnalysisDriver();
scheduler.start();
scheduler.status.listen(allStatuses.add);
driver.results.listen(allResults.add);
driver.exceptions.listen(allExceptions.add);
}
void tearDown() {}
}
/// Wraps an [_ElementVisitorFunction] into a [GeneralizingElementVisitor].
class _ElementVisitorFunctionWrapper extends GeneralizingElementVisitor {
final _ElementVisitorFunction function;
_ElementVisitorFunctionWrapper(this.function);
@override
visitElement(Element element) {
function(element);
super.visitElement(element);
}
}
class _GeneratedUriResolverMock implements UriResolver {
Source Function(Uri, Uri) resolveAbsoluteFunction;
Uri Function(Source) restoreAbsoluteFunction;
@override
void clearCache() {}
@override
noSuchMethod(Invocation invocation) {
throw StateError('Unexpected invocation of ${invocation.memberName}');
}
@override
Source resolveAbsolute(Uri uri, [Uri actualUri]) {
if (resolveAbsoluteFunction != null) {
return resolveAbsoluteFunction(uri, actualUri);
}
return null;
}
@override
Uri restoreAbsolute(Source source) {
if (restoreAbsoluteFunction != null) {
return restoreAbsoluteFunction(source);
}
return null;
}
}