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dart / sdk.git / 1d613e0561e10d9788041afed74e8911d6c84969 / . / pkg / analyzer / test / src / context / context_test.dart
blob: 734c1b204287bfaca6ae581e1f7145a6ff5cd51d [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.
library test.src.context.context_test;
import 'dart:async';
import 'package:analyzer/file_system/memory_file_system.dart';
import 'package:analyzer/src/cancelable_future.dart';
import 'package:analyzer/src/context/cache.dart';
import 'package:analyzer/src/context/context.dart';
import 'package:analyzer/src/generated/ast.dart';
import 'package:analyzer/src/generated/element.dart';
import 'package:analyzer/src/generated/engine.dart'
show
AnalysisContext,
AnalysisContextStatistics,
AnalysisDelta,
AnalysisEngine,
AnalysisErrorInfo,
AnalysisLevel,
AnalysisNotScheduledError,
AnalysisOptions,
AnalysisOptionsImpl,
AnalysisResult,
CacheState,
ChangeNotice,
ChangeSet,
IncrementalAnalysisCache,
TimestampedData;
import 'package:analyzer/src/generated/error.dart';
import 'package:analyzer/src/generated/java_engine.dart';
import 'package:analyzer/src/generated/resolver.dart';
import 'package:analyzer/src/generated/scanner.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/task/dart.dart';
import 'package:analyzer/src/task/html.dart';
import 'package:analyzer/task/dart.dart';
import 'package:analyzer/task/model.dart';
import 'package:html/dom.dart' show Document;
import 'package:unittest/unittest.dart';
import 'package:watcher/src/utils.dart';
import '../../generated/engine_test.dart';
import '../../generated/test_support.dart';
import '../../reflective_tests.dart';
import '../../utils.dart';
import 'abstract_context.dart';
main() {
initializeTestEnvironment();
runReflectiveTests(AnalysisContextImplTest);
runReflectiveTests(LimitedInvalidateTest);
}
@reflectiveTest
class AnalysisContextImplTest extends AbstractContextTest {
Future fail_implicitAnalysisEvents_removed() async {
AnalyzedSourcesListener listener = new AnalyzedSourcesListener();
context.implicitAnalysisEvents.listen(listener.onData);
//
// Create a file that references an file that is not explicitly being
// analyzed and fully analyze it. Ensure that the listener is told about
// the implicitly analyzed file.
//
Source sourceA = newSource('/a.dart', "library a; import 'b.dart';");
Source sourceB = newSource('/b.dart', "library b;");
ChangeSet changeSet = new ChangeSet();
changeSet.addedSource(sourceA);
context.applyChanges(changeSet);
context.computeErrors(sourceA);
await pumpEventQueue();
listener.expectAnalyzed(sourceB);
//
// Remove the reference and ensure that the listener is told that we're no
// longer implicitly analyzing the file.
//
context.setContents(sourceA, "library a;");
context.computeErrors(sourceA);
await pumpEventQueue();
listener.expectNotAnalyzed(sourceB);
}
void fail_performAnalysisTask_importedLibraryDelete_html() {
// NOTE: This was failing before converting to the new task model.
Source htmlSource = addSource(
"/page.html",
r'''
<html><body><script type="application/dart">
import 'libB.dart';
main() {print('hello dart');}
</script></body></html>''');
Source libBSource = addSource("/libB.dart", "library libB;");
_analyzeAll_assertFinished();
context.computeErrors(htmlSource);
expect(
context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
reason: "libB resolved 1");
expect(!_hasAnalysisErrorWithErrorSeverity(context.getErrors(htmlSource)),
isTrue,
reason: "htmlSource doesn't have errors");
// remove libB.dart content and analyze
context.setContents(libBSource, null);
_analyzeAll_assertFinished();
context.computeErrors(htmlSource);
AnalysisErrorInfo errors = context.getErrors(htmlSource);
expect(_hasAnalysisErrorWithErrorSeverity(errors), isTrue,
reason: "htmlSource has an error");
}
void fail_recordLibraryElements() {
fail("Implement this");
}
@override
void tearDown() {
context = null;
sourceFactory = null;
super.tearDown();
}
Future test_applyChanges_add() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
expect(context.sourcesNeedingProcessing, isEmpty);
Source source = newSource('/test.dart');
ChangeSet changeSet = new ChangeSet();
changeSet.addedSource(source);
context.applyChanges(changeSet);
expect(context.sourcesNeedingProcessing, contains(source));
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertNoMoreEvents();
});
}
Future test_applyChanges_change() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
expect(context.sourcesNeedingProcessing, isEmpty);
Source source = newSource('/test.dart');
ChangeSet changeSet1 = new ChangeSet();
changeSet1.addedSource(source);
context.applyChanges(changeSet1);
expect(context.sourcesNeedingProcessing, contains(source));
Source source2 = newSource('/test2.dart');
ChangeSet changeSet2 = new ChangeSet();
changeSet2.addedSource(source2);
changeSet2.changedSource(source);
context.applyChanges(changeSet2);
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
listener.assertNoMoreEvents();
});
}
Future test_applyChanges_change_content() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
expect(context.sourcesNeedingProcessing, isEmpty);
Source source = newSource('/test.dart');
ChangeSet changeSet1 = new ChangeSet();
changeSet1.addedSource(source);
context.applyChanges(changeSet1);
expect(context.sourcesNeedingProcessing, contains(source));
Source source2 = newSource('/test2.dart');
ChangeSet changeSet2 = new ChangeSet();
changeSet2.addedSource(source2);
changeSet2.changedContent(source, 'library test;');
context.applyChanges(changeSet2);
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
listener.assertNoMoreEvents();
});
}
void test_applyChanges_change_flush_element() {
Source librarySource = addSource(
"/lib.dart",
r'''
library lib;
int a = 0;''');
expect(context.computeLibraryElement(librarySource), isNotNull);
context.setContents(
librarySource,
r'''
library lib;
int aa = 0;''');
expect(context.getLibraryElement(librarySource), isNull);
}
Future test_applyChanges_change_multiple() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
String libraryContents1 = r'''
library lib;
part 'part.dart';
int a = 0;''';
Source librarySource = addSource("/lib.dart", libraryContents1);
String partContents1 = r'''
part of lib;
int b = a;''';
Source partSource = addSource("/part.dart", partContents1);
context.computeLibraryElement(librarySource);
String libraryContents2 = r'''
library lib;
part 'part.dart';
int aa = 0;''';
context.setContents(librarySource, libraryContents2);
String partContents2 = r'''
part of lib;
int b = aa;''';
context.setContents(partSource, partContents2);
context.computeLibraryElement(librarySource);
CompilationUnit libraryUnit =
context.resolveCompilationUnit2(librarySource, librarySource);
expect(libraryUnit, isNotNull);
CompilationUnit partUnit =
context.resolveCompilationUnit2(partSource, librarySource);
expect(partUnit, isNotNull);
TopLevelVariableDeclaration declaration =
libraryUnit.declarations[0] as TopLevelVariableDeclaration;
Element declarationElement = declaration.variables.variables[0].element;
TopLevelVariableDeclaration use =
partUnit.declarations[0] as TopLevelVariableDeclaration;
Element useElement = (use.variables.variables[0].initializer
as SimpleIdentifier).staticElement;
expect((useElement as PropertyAccessorElement).variable,
same(declarationElement));
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(changedSources: [librarySource]);
listener.assertEvent(changedSources: [partSource]);
listener.assertNoMoreEvents();
});
}
Future test_applyChanges_change_range() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
expect(context.sourcesNeedingProcessing, isEmpty);
Source source = newSource('/test.dart');
ChangeSet changeSet1 = new ChangeSet();
changeSet1.addedSource(source);
context.applyChanges(changeSet1);
expect(context.sourcesNeedingProcessing, contains(source));
Source source2 = newSource('/test2.dart');
ChangeSet changeSet2 = new ChangeSet();
changeSet2.addedSource(source2);
changeSet2.changedRange(source, 'library test;', 0, 0, 13);
context.applyChanges(changeSet2);
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
listener.assertNoMoreEvents();
});
}
void test_applyChanges_empty() {
context.applyChanges(new ChangeSet());
expect(context.performAnalysisTask().changeNotices, isNull);
}
void test_applyChanges_overriddenSource() {
// Note: addSource adds the source to the contentCache.
Source source = addSource("/test.dart", "library test;");
context.computeErrors(source);
while (!context.sourcesNeedingProcessing.isEmpty) {
context.performAnalysisTask();
}
// Adding the source as a changedSource should have no effect since
// it is already overridden in the content cache.
ChangeSet changeSet = new ChangeSet();
changeSet.changedSource(source);
context.applyChanges(changeSet);
expect(context.sourcesNeedingProcessing, hasLength(0));
}
Future test_applyChanges_remove() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
String libAContents = r'''
library libA;
import 'libB.dart';''';
Source libA = addSource("/libA.dart", libAContents);
String libBContents = "library libB;";
Source libB = addSource("/libB.dart", libBContents);
LibraryElement libAElement = context.computeLibraryElement(libA);
expect(libAElement, isNotNull);
List<LibraryElement> importedLibraries = libAElement.importedLibraries;
expect(importedLibraries, hasLength(2));
context.computeErrors(libA);
context.computeErrors(libB);
expect(context.sourcesNeedingProcessing, hasLength(0));
context.setContents(libB, null);
_removeSource(libB);
List<Source> sources = context.sourcesNeedingProcessing;
expect(sources, hasLength(1));
expect(sources[0], same(libA));
libAElement = context.computeLibraryElement(libA);
importedLibraries = libAElement.importedLibraries;
expect(importedLibraries, hasLength(1));
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesRemovedOrDeleted: true);
listener.assertNoMoreEvents();
});
}
/**
* IDEA uses the following scenario:
* 1. Add overlay.
* 2. Change overlay.
* 3. If the contents of the document buffer is the same as the contents
* of the file, remove overlay.
* So, we need to try to use incremental resolution for removing overlays too.
*/
void test_applyChanges_remove_incremental() {
MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
Source source = resourceProvider
.newFile(
'/test.dart',
r'''
main() {
print(1);
}
''')
.createSource();
context.analysisOptions = new AnalysisOptionsImpl()..incremental = true;
context.applyChanges(new ChangeSet()..addedSource(source));
// remember compilation unit
_analyzeAll_assertFinished();
CompilationUnit unit = context.getResolvedCompilationUnit2(source, source);
// add overlay
context.setContents(
source,
r'''
main() {
print(12);
}
''');
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(source, source), unit);
// remove overlay
context.setContents(source, null);
context.validateCacheConsistency();
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(source, source), unit);
}
Future test_applyChanges_removeContainer() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
String libAContents = r'''
library libA;
import 'libB.dart';''';
Source libA = addSource("/libA.dart", libAContents);
String libBContents = "library libB;";
Source libB = addSource("/libB.dart", libBContents);
context.computeLibraryElement(libA);
context.computeErrors(libA);
context.computeErrors(libB);
expect(context.sourcesNeedingProcessing, hasLength(0));
ChangeSet changeSet = new ChangeSet();
SourceContainer removedContainer =
new _AnalysisContextImplTest_test_applyChanges_removeContainer(libB);
changeSet.removedContainer(removedContainer);
context.applyChanges(changeSet);
List<Source> sources = context.sourcesNeedingProcessing;
expect(sources, hasLength(1));
expect(sources[0], same(libA));
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesRemovedOrDeleted: true);
listener.assertNoMoreEvents();
});
}
void test_computeDocumentationComment_block() {
String comment = "/** Comment */";
Source source = addSource(
"/test.dart",
"""
$comment
class A {}""");
LibraryElement libraryElement = context.computeLibraryElement(source);
expect(libraryElement, isNotNull);
ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
expect(libraryElement, isNotNull);
expect(context.computeDocumentationComment(classElement), comment);
}
void test_computeDocumentationComment_none() {
Source source = addSource("/test.dart", "class A {}");
LibraryElement libraryElement = context.computeLibraryElement(source);
expect(libraryElement, isNotNull);
ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
expect(libraryElement, isNotNull);
expect(context.computeDocumentationComment(classElement), isNull);
}
void test_computeDocumentationComment_null() {
expect(context.computeDocumentationComment(null), isNull);
}
void test_computeDocumentationComment_singleLine_multiple_EOL_n() {
String comment = "/// line 1\n/// line 2\n/// line 3\n";
Source source = addSource("/test.dart", "${comment}class A {}");
LibraryElement libraryElement = context.computeLibraryElement(source);
expect(libraryElement, isNotNull);
ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
expect(libraryElement, isNotNull);
String actual = context.computeDocumentationComment(classElement);
expect(actual, "/// line 1\n/// line 2\n/// line 3");
}
void test_computeDocumentationComment_singleLine_multiple_EOL_rn() {
String comment = "/// line 1\r\n/// line 2\r\n/// line 3\r\n";
Source source = addSource("/test.dart", "${comment}class A {}");
LibraryElement libraryElement = context.computeLibraryElement(source);
expect(libraryElement, isNotNull);
ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
expect(libraryElement, isNotNull);
String actual = context.computeDocumentationComment(classElement);
expect(actual, "/// line 1\n/// line 2\n/// line 3");
}
void test_computeErrors_dart_none() {
Source source = addSource("/lib.dart", "library lib;");
List<AnalysisError> errors = context.computeErrors(source);
expect(errors, hasLength(0));
}
void test_computeErrors_dart_part() {
Source librarySource =
addSource("/lib.dart", "library lib; part 'part.dart';");
Source partSource = addSource("/part.dart", "part of 'lib';");
context.parseCompilationUnit(librarySource);
List<AnalysisError> errors = context.computeErrors(partSource);
expect(errors, isNotNull);
expect(errors.length > 0, isTrue);
}
void test_computeErrors_dart_some() {
Source source = addSource("/lib.dart", "library 'lib';");
List<AnalysisError> errors = context.computeErrors(source);
expect(errors, isNotNull);
expect(errors.length > 0, isTrue);
}
void test_computeErrors_html_none() {
Source source = addSource("/test.html", "<!DOCTYPE html><html></html>");
List<AnalysisError> errors = context.computeErrors(source);
expect(errors, hasLength(0));
}
void test_computeExportedLibraries_none() {
Source source = addSource("/test.dart", "library test;");
expect(context.computeExportedLibraries(source), hasLength(0));
}
void test_computeExportedLibraries_some() {
// addSource("/lib1.dart", "library lib1;");
// addSource("/lib2.dart", "library lib2;");
Source source = addSource(
"/test.dart", "library test; export 'lib1.dart'; export 'lib2.dart';");
expect(context.computeExportedLibraries(source), hasLength(2));
}
void test_computeImportedLibraries_none() {
Source source = addSource("/test.dart", "library test;");
expect(context.computeImportedLibraries(source), hasLength(0));
}
void test_computeImportedLibraries_some() {
Source source = addSource(
"/test.dart", "library test; import 'lib1.dart'; import 'lib2.dart';");
expect(context.computeImportedLibraries(source), hasLength(2));
}
void test_computeKindOf_html() {
Source source = addSource("/test.html", "");
expect(context.computeKindOf(source), same(SourceKind.HTML));
}
void test_computeKindOf_library() {
Source source = addSource("/test.dart", "library lib;");
expect(context.computeKindOf(source), same(SourceKind.LIBRARY));
}
void test_computeKindOf_libraryAndPart() {
Source source = addSource("/test.dart", "library lib; part of lib;");
expect(context.computeKindOf(source), same(SourceKind.LIBRARY));
}
void test_computeKindOf_part() {
Source source = addSource("/test.dart", "part of lib;");
expect(context.computeKindOf(source), same(SourceKind.PART));
}
void test_computeLibraryElement() {
Source source = addSource("/test.dart", "library lib;");
LibraryElement element = context.computeLibraryElement(source);
expect(element, isNotNull);
}
void test_computeLineInfo_dart() {
Source source = addSource(
"/test.dart",
r'''
library lib;
main() {}''');
LineInfo info = context.computeLineInfo(source);
expect(info, isNotNull);
}
void test_computeLineInfo_html() {
Source source = addSource(
"/test.html",
r'''
<html>
<body>
<h1>A</h1>
</body>
</html>''');
LineInfo info = context.computeLineInfo(source);
expect(info, isNotNull);
}
Future test_computeResolvedCompilationUnitAsync() {
Source source = addSource("/lib.dart", "library lib;");
// Complete all pending analysis tasks and flush the AST so that it won't
// be available immediately.
_performPendingAnalysisTasks();
_flushAst(source);
bool completed = false;
context
.computeResolvedCompilationUnitAsync(source, source)
.then((CompilationUnit unit) {
expect(unit, isNotNull);
completed = true;
});
return pumpEventQueue().then((_) {
expect(completed, isFalse);
_performPendingAnalysisTasks();
}).then((_) => pumpEventQueue()).then((_) {
expect(completed, isTrue);
});
}
Future test_computeResolvedCompilationUnitAsync_afterDispose() {
Source source = addSource("/lib.dart", "library lib;");
// Complete all pending analysis tasks and flush the AST so that it won't
// be available immediately.
_performPendingAnalysisTasks();
_flushAst(source);
// Dispose of the context.
context.dispose();
// Any attempt to start an asynchronous computation should return a future
// which completes with error.
CancelableFuture<CompilationUnit> future =
context.computeResolvedCompilationUnitAsync(source, source);
bool completed = false;
future.then((CompilationUnit unit) {
fail('Future should have completed with error');
}, onError: (error) {
expect(error, new isInstanceOf<AnalysisNotScheduledError>());
completed = true;
});
return pumpEventQueue().then((_) {
expect(completed, isTrue);
});
}
Future test_computeResolvedCompilationUnitAsync_cancel() {
Source source = addSource("/lib.dart", "library lib;");
// Complete all pending analysis tasks and flush the AST so that it won't
// be available immediately.
_performPendingAnalysisTasks();
_flushAst(source);
CancelableFuture<CompilationUnit> future =
context.computeResolvedCompilationUnitAsync(source, source);
bool completed = false;
future.then((CompilationUnit unit) {
fail('Future should have been canceled');
}, onError: (error) {
expect(error, new isInstanceOf<FutureCanceledError>());
completed = true;
});
expect(completed, isFalse);
expect(context.pendingFutureSources_forTesting, isNotEmpty);
future.cancel();
expect(context.pendingFutureSources_forTesting, isEmpty);
return pumpEventQueue().then((_) {
expect(completed, isTrue);
expect(context.pendingFutureSources_forTesting, isEmpty);
});
}
Future test_computeResolvedCompilationUnitAsync_dispose() {
Source source = addSource("/lib.dart", "library lib;");
// Complete all pending analysis tasks and flush the AST so that it won't
// be available immediately.
_performPendingAnalysisTasks();
_flushAst(source);
bool completed = false;
CancelableFuture<CompilationUnit> future =
context.computeResolvedCompilationUnitAsync(source, source);
future.then((CompilationUnit unit) {
fail('Future should have completed with error');
}, onError: (error) {
expect(error, new isInstanceOf<AnalysisNotScheduledError>());
completed = true;
});
expect(completed, isFalse);
expect(context.pendingFutureSources_forTesting, isNotEmpty);
// Disposing of the context should cause all pending futures to complete
// with AnalysisNotScheduled, so that no clients are left hanging.
context.dispose();
expect(context.pendingFutureSources_forTesting, isEmpty);
return pumpEventQueue().then((_) {
expect(completed, isTrue);
expect(context.pendingFutureSources_forTesting, isEmpty);
});
}
Future test_computeResolvedCompilationUnitAsync_noCacheEntry() {
Source librarySource = addSource("/lib.dart", "library lib;");
Source partSource = addSource("/part.dart", "part of foo;");
bool completed = false;
context
.computeResolvedCompilationUnitAsync(partSource, librarySource)
.then((CompilationUnit unit) {
expect(unit, isNotNull);
completed = true;
});
return pumpEventQueue().then((_) {
expect(completed, isFalse);
_performPendingAnalysisTasks();
}).then((_) => pumpEventQueue()).then((_) {
expect(completed, isTrue);
});
}
void test_dispose() {
expect(context.isDisposed, isFalse);
context.dispose();
expect(context.isDisposed, isTrue);
}
void test_ensureResolvedDartUnits_definingUnit_hasResolved() {
Source source = addSource('/test.dart', '');
LibrarySpecificUnit libTarget = new LibrarySpecificUnit(source, source);
analysisDriver.computeResult(libTarget, RESOLVED_UNIT);
CompilationUnit unit =
context.getCacheEntry(libTarget).getValue(RESOLVED_UNIT);
List<CompilationUnit> units = context.ensureResolvedDartUnits(source);
expect(units, unorderedEquals([unit]));
}
void test_ensureResolvedDartUnits_definingUnit_notResolved() {
Source source = addSource('/test.dart', '');
LibrarySpecificUnit libTarget = new LibrarySpecificUnit(source, source);
analysisDriver.computeResult(libTarget, RESOLVED_UNIT);
// flush
context
.getCacheEntry(libTarget)
.setState(RESOLVED_UNIT, CacheState.FLUSHED);
// schedule recomputing
List<CompilationUnit> units = context.ensureResolvedDartUnits(source);
expect(units, isNull);
// should be the next result to compute
TargetedResult nextResult = context.dartWorkManager.getNextResult();
expect(nextResult.target, libTarget);
expect(nextResult.result, RESOLVED_UNIT);
}
void test_ensureResolvedDartUnits_partUnit_hasResolved() {
Source libSource1 = addSource(
'/lib1.dart',
r'''
library lib;
part 'part.dart';
''');
Source libSource2 = addSource(
'/lib2.dart',
r'''
library lib;
part 'part.dart';
''');
Source partSource = addSource(
'/part.dart',
r'''
part of lib;
''');
LibrarySpecificUnit partTarget1 =
new LibrarySpecificUnit(libSource1, partSource);
LibrarySpecificUnit partTarget2 =
new LibrarySpecificUnit(libSource2, partSource);
analysisDriver.computeResult(partTarget1, RESOLVED_UNIT);
analysisDriver.computeResult(partTarget2, RESOLVED_UNIT);
CompilationUnit unit1 =
context.getCacheEntry(partTarget1).getValue(RESOLVED_UNIT);
CompilationUnit unit2 =
context.getCacheEntry(partTarget2).getValue(RESOLVED_UNIT);
List<CompilationUnit> units = context.ensureResolvedDartUnits(partSource);
expect(units, unorderedEquals([unit1, unit2]));
}
void test_ensureResolvedDartUnits_partUnit_notResolved() {
Source libSource1 = addSource(
'/lib1.dart',
r'''
library lib;
part 'part.dart';
''');
Source libSource2 = addSource(
'/lib2.dart',
r'''
library lib;
part 'part.dart';
''');
Source partSource = addSource(
'/part.dart',
r'''
part of lib;
''');
LibrarySpecificUnit partTarget1 =
new LibrarySpecificUnit(libSource1, partSource);
LibrarySpecificUnit partTarget2 =
new LibrarySpecificUnit(libSource2, partSource);
analysisDriver.computeResult(partTarget1, RESOLVED_UNIT);
analysisDriver.computeResult(partTarget2, RESOLVED_UNIT);
// flush
context
.getCacheEntry(partTarget1)
.setState(RESOLVED_UNIT, CacheState.FLUSHED);
context
.getCacheEntry(partTarget2)
.setState(RESOLVED_UNIT, CacheState.FLUSHED);
// schedule recomputing
List<CompilationUnit> units = context.ensureResolvedDartUnits(partSource);
expect(units, isNull);
// should be the next result to compute
TargetedResult nextResult = context.dartWorkManager.getNextResult();
expect(nextResult.target, anyOf(partTarget1, partTarget2));
expect(nextResult.result, RESOLVED_UNIT);
}
void test_exists_false() {
TestSource source = new TestSource();
source.exists2 = false;
expect(context.exists(source), isFalse);
}
void test_exists_null() {
expect(context.exists(null), isFalse);
}
void test_exists_overridden() {
Source source = new TestSource();
context.setContents(source, "");
expect(context.exists(source), isTrue);
}
void test_exists_true() {
expect(context.exists(new AnalysisContextImplTest_Source_exists_true()),
isTrue);
}
void test_getAnalysisOptions() {
expect(context.analysisOptions, isNotNull);
}
void test_getContents_fromSource() {
String content = "library lib;";
TimestampedData<String> contents =
context.getContents(new TestSource('/test.dart', content));
expect(contents.data.toString(), content);
}
void test_getContents_overridden() {
String content = "library lib;";
Source source = new TestSource();
context.setContents(source, content);
TimestampedData<String> contents = context.getContents(source);
expect(contents.data.toString(), content);
}
void test_getContents_unoverridden() {
String content = "library lib;";
Source source = new TestSource('/test.dart', content);
context.setContents(source, "part of lib;");
context.setContents(source, null);
TimestampedData<String> contents = context.getContents(source);
expect(contents.data.toString(), content);
}
void test_getDeclaredVariables() {
expect(context.declaredVariables, isNotNull);
}
void test_getElement() {
LibraryElement core =
context.computeLibraryElement(sourceFactory.forUri("dart:core"));
expect(core, isNotNull);
ClassElement classObject =
_findClass(core.definingCompilationUnit, "Object");
expect(classObject, isNotNull);
ElementLocation location = classObject.location;
Element element = context.getElement(location);
expect(element, same(classObject));
}
void test_getElement_constructor_named() {
Source source = addSource(
"/lib.dart",
r'''
class A {
A.named() {}
}''');
_analyzeAll_assertFinished();
LibraryElement library = context.computeLibraryElement(source);
ClassElement classA = _findClass(library.definingCompilationUnit, "A");
ConstructorElement constructor = classA.constructors[0];
ElementLocation location = constructor.location;
Element element = context.getElement(location);
expect(element, same(constructor));
}
void test_getElement_constructor_unnamed() {
Source source = addSource(
"/lib.dart",
r'''
class A {
A() {}
}''');
_analyzeAll_assertFinished();
LibraryElement library = context.computeLibraryElement(source);
ClassElement classA = _findClass(library.definingCompilationUnit, "A");
ConstructorElement constructor = classA.constructors[0];
ElementLocation location = constructor.location;
Element element = context.getElement(location);
expect(element, same(constructor));
}
void test_getElement_enum() {
Source source = addSource('/test.dart', 'enum MyEnum {A, B, C}');
_analyzeAll_assertFinished();
LibraryElement library = context.computeLibraryElement(source);
ClassElement myEnum = library.definingCompilationUnit.getEnum('MyEnum');
ElementLocation location = myEnum.location;
Element element = context.getElement(location);
expect(element, same(myEnum));
}
void test_getErrors_dart_none() {
Source source = addSource("/lib.dart", "library lib;");
var errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
List<AnalysisError> errors = errorInfo.errors;
expect(errors, hasLength(0));
context.computeErrors(source);
errors = errorInfo.errors;
expect(errors, hasLength(0));
}
void test_getErrors_dart_some() {
Source source = addSource("/lib.dart", "library 'lib';");
var errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
List<AnalysisError> errors = errorInfo.errors;
expect(errors, hasLength(0));
errors = context.computeErrors(source);
expect(errors, hasLength(1));
}
void test_getErrors_html_none() {
Source source = addSource("/test.html", "<html></html>");
AnalysisErrorInfo errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
List<AnalysisError> errors = errorInfo.errors;
expect(errors, hasLength(0));
context.computeErrors(source);
errors = errorInfo.errors;
expect(errors, hasLength(0));
}
void test_getErrors_html_some() {
Source source = addSource(
"/test.html",
r'''
<html><head>
<script type='application/dart' src='test.dart'/>
</head></html>''');
AnalysisErrorInfo errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
List<AnalysisError> errors = errorInfo.errors;
expect(errors, hasLength(0));
errors = context.computeErrors(source);
expect(errors, hasLength(3));
}
void test_getHtmlFilesReferencing_html() {
Source htmlSource = addSource(
"/test.html",
r'''
<html><head>
<script type='application/dart' src='test.dart'/>
<script type='application/dart' src='test.js'/>
</head></html>''');
Source librarySource = addSource("/test.dart", "library lib;");
Source secondHtmlSource = addSource("/test.html", "<html></html>");
context.computeLibraryElement(librarySource);
List<Source> result = context.getHtmlFilesReferencing(secondHtmlSource);
expect(result, hasLength(0));
context.parseHtmlDocument(htmlSource);
result = context.getHtmlFilesReferencing(secondHtmlSource);
expect(result, hasLength(0));
}
void test_getHtmlFilesReferencing_library() {
Source htmlSource = addSource(
"/test.html",
r'''
<!DOCTYPE html>
<html><head>
<script type='application/dart' src='test.dart'/>
<script type='application/dart' src='test.js'/>
</head></html>''');
Source librarySource = addSource("/test.dart", "library lib;");
context.computeLibraryElement(librarySource);
List<Source> result = context.getHtmlFilesReferencing(librarySource);
expect(result, hasLength(0));
// Indirectly force the data to be computed.
context.computeErrors(htmlSource);
result = context.getHtmlFilesReferencing(librarySource);
expect(result, hasLength(1));
expect(result[0], htmlSource);
}
void test_getHtmlFilesReferencing_part() {
Source htmlSource = addSource(
"/test.html",
r'''
<!DOCTYPE html>
<html><head>
<script type='application/dart' src='test.dart'/>
<script type='application/dart' src='test.js'/>
</head></html>''');
Source librarySource =
addSource("/test.dart", "library lib; part 'part.dart';");
Source partSource = addSource("/part.dart", "part of lib;");
context.computeLibraryElement(librarySource);
List<Source> result = context.getHtmlFilesReferencing(partSource);
expect(result, hasLength(0));
// Indirectly force the data to be computed.
context.computeErrors(htmlSource);
result = context.getHtmlFilesReferencing(partSource);
expect(result, hasLength(1));
expect(result[0], htmlSource);
}
void test_getHtmlSources() {
List<Source> sources = context.htmlSources;
expect(sources, hasLength(0));
Source source = addSource("/test.html", "");
sources = context.htmlSources;
expect(sources, hasLength(1));
expect(sources[0], source);
}
void test_getKindOf_html() {
Source source = addSource("/test.html", "");
expect(context.getKindOf(source), same(SourceKind.HTML));
}
void test_getKindOf_library() {
Source source = addSource("/test.dart", "library lib;");
expect(context.getKindOf(source), same(SourceKind.UNKNOWN));
context.computeKindOf(source);
expect(context.getKindOf(source), same(SourceKind.LIBRARY));
}
void test_getKindOf_part() {
Source source = addSource("/test.dart", "part of lib;");
expect(context.getKindOf(source), same(SourceKind.UNKNOWN));
context.computeKindOf(source);
expect(context.getKindOf(source), same(SourceKind.PART));
}
void test_getKindOf_unknown() {
Source source = addSource("/test.css", "");
expect(context.getKindOf(source), same(SourceKind.UNKNOWN));
}
void test_getLaunchableClientLibrarySources_doesNotImportHtml() {
Source source = addSource(
"/test.dart",
r'''
main() {}''');
context.computeLibraryElement(source);
List<Source> sources = context.launchableClientLibrarySources;
expect(sources, isEmpty);
}
void test_getLaunchableClientLibrarySources_importsHtml_explicitly() {
List<Source> sources = context.launchableClientLibrarySources;
expect(sources, isEmpty);
Source source = addSource(
"/test.dart",
r'''
import 'dart:html';
main() {}''');
context.computeLibraryElement(source);
sources = context.launchableClientLibrarySources;
expect(sources, unorderedEquals([source]));
}
void test_getLaunchableClientLibrarySources_importsHtml_implicitly() {
List<Source> sources = context.launchableClientLibrarySources;
expect(sources, isEmpty);
addSource(
"/a.dart",
r'''
import 'dart:html';
''');
Source source = addSource(
"/test.dart",
r'''
import 'a.dart';
main() {}''');
context.computeLibraryElement(source);
sources = context.launchableClientLibrarySources;
expect(sources, unorderedEquals([source]));
}
void test_getLaunchableClientLibrarySources_importsHtml_implicitly2() {
List<Source> sources = context.launchableClientLibrarySources;
expect(sources, isEmpty);
addSource(
"/a.dart",
r'''
export 'dart:html';
''');
Source source = addSource(
"/test.dart",
r'''
import 'a.dart';
main() {}''');
context.computeLibraryElement(source);
sources = context.launchableClientLibrarySources;
expect(sources, unorderedEquals([source]));
}
void test_getLaunchableServerLibrarySources() {
expect(context.launchableServerLibrarySources, isEmpty);
Source source = addSource("/test.dart", "main() {}");
context.computeLibraryElement(source);
expect(context.launchableServerLibrarySources, unorderedEquals([source]));
}
void test_getLaunchableServerLibrarySources_importsHtml_explicitly() {
Source source = addSource(
"/test.dart",
r'''
import 'dart:html';
main() {}
''');
context.computeLibraryElement(source);
expect(context.launchableServerLibrarySources, isEmpty);
}
void test_getLaunchableServerLibrarySources_importsHtml_implicitly() {
addSource(
"/imports_html.dart",
r'''
import 'dart:html';
''');
Source source = addSource(
"/test.dart",
r'''
import 'imports_html.dart';
main() {}''');
context.computeLibraryElement(source);
expect(context.launchableServerLibrarySources, isEmpty);
}
void test_getLaunchableServerLibrarySources_noMain() {
Source source = addSource("/test.dart", '');
context.computeLibraryElement(source);
expect(context.launchableServerLibrarySources, isEmpty);
}
void test_getLibrariesContaining() {
Source librarySource = addSource(
"/lib.dart",
r'''
library lib;
part 'part.dart';''');
Source partSource = addSource("/part.dart", "part of lib;");
context.computeLibraryElement(librarySource);
List<Source> result = context.getLibrariesContaining(librarySource);
expect(result, hasLength(1));
expect(result[0], librarySource);
result = context.getLibrariesContaining(partSource);
expect(result, hasLength(1));
expect(result[0], librarySource);
}
void test_getLibrariesDependingOn() {
Source libASource = addSource("/libA.dart", "library libA;");
addSource("/libB.dart", "library libB;");
Source lib1Source = addSource(
"/lib1.dart",
r'''
library lib1;
import 'libA.dart';
export 'libB.dart';''');
Source lib2Source = addSource(
"/lib2.dart",
r'''
library lib2;
import 'libB.dart';
export 'libA.dart';''');
context.computeLibraryElement(lib1Source);
context.computeLibraryElement(lib2Source);
List<Source> result = context.getLibrariesDependingOn(libASource);
expect(result, unorderedEquals([lib1Source, lib2Source]));
}
void test_getLibrariesReferencedFromHtml() {
Source htmlSource = addSource(
"/test.html",
r'''
<!DOCTYPE html>
<html><head>
<script type='application/dart' src='test.dart'/>
<script type='application/dart' src='test.js'/>
</head></html>''');
Source librarySource = addSource("/test.dart", "library lib;");
context.computeLibraryElement(librarySource);
// Indirectly force the data to be computed.
context.computeErrors(htmlSource);
List<Source> result = context.getLibrariesReferencedFromHtml(htmlSource);
expect(result, hasLength(1));
expect(result[0], librarySource);
}
void test_getLibrariesReferencedFromHtml_none() {
Source htmlSource = addSource(
"/test.html",
r'''
<html><head>
<script type='application/dart' src='test.js'/>
</head></html>''');
addSource("/test.dart", "library lib;");
context.parseHtmlDocument(htmlSource);
List<Source> result = context.getLibrariesReferencedFromHtml(htmlSource);
expect(result, hasLength(0));
}
void test_getLibraryElement() {
Source source = addSource("/test.dart", "library lib;");
LibraryElement element = context.getLibraryElement(source);
expect(element, isNull);
context.computeLibraryElement(source);
element = context.getLibraryElement(source);
expect(element, isNotNull);
}
void test_getLibrarySources() {
List<Source> sources = context.librarySources;
int originalLength = sources.length;
Source source = addSource("/test.dart", "library lib;");
context.computeKindOf(source);
sources = context.librarySources;
expect(sources, hasLength(originalLength + 1));
for (Source returnedSource in sources) {
if (returnedSource == source) {
return;
}
}
fail("The added source was not in the list of library sources");
}
void test_getLineInfo() {
Source source = addSource(
"/test.dart",
r'''
library lib;
main() {}''');
LineInfo info = context.getLineInfo(source);
expect(info, isNull);
context.parseCompilationUnit(source);
info = context.getLineInfo(source);
expect(info, isNotNull);
}
void test_getModificationStamp_fromSource() {
int stamp = 42;
expect(
context.getModificationStamp(
new AnalysisContextImplTest_Source_getModificationStamp_fromSource(
stamp)),
stamp);
}
void test_getModificationStamp_overridden() {
int stamp = 42;
Source source =
new AnalysisContextImplTest_Source_getModificationStamp_overridden(
stamp);
context.setContents(source, "");
expect(stamp != context.getModificationStamp(source), isTrue);
}
void test_getPublicNamespace_element() {
Source source = addSource("/test.dart", "class A {}");
LibraryElement library = context.computeLibraryElement(source);
expect(library, isNotNull);
Namespace namespace = context.getPublicNamespace(library);
expect(namespace, isNotNull);
EngineTestCase.assertInstanceOf(
(obj) => obj is ClassElement, ClassElement, namespace.get("A"));
}
void test_getResolvedCompilationUnit_library() {
Source source = addSource("/lib.dart", "library libb;");
LibraryElement library = context.computeLibraryElement(source);
context.computeErrors(source); // Force the resolved unit to be built.
expect(context.getResolvedCompilationUnit(source, library), isNotNull);
context.setContents(source, "library lib;");
expect(context.getResolvedCompilationUnit(source, library), isNull);
}
void test_getResolvedCompilationUnit_library_null() {
Source source = addSource("/lib.dart", "library lib;");
expect(context.getResolvedCompilationUnit(source, null), isNull);
}
void test_getResolvedCompilationUnit_source_dart() {
Source source = addSource("/lib.dart", "library lib;");
expect(context.getResolvedCompilationUnit2(source, source), isNull);
context.resolveCompilationUnit2(source, source);
expect(context.getResolvedCompilationUnit2(source, source), isNotNull);
}
void test_getSourceFactory() {
expect(context.sourceFactory, same(sourceFactory));
}
void test_getSourcesWithFullName() {
String filePath = '/foo/lib/file.dart';
List<Source> expected = <Source>[];
ChangeSet changeSet = new ChangeSet();
TestSourceWithUri source1 =
new TestSourceWithUri(filePath, Uri.parse('file://$filePath'));
expected.add(source1);
changeSet.addedSource(source1);
TestSourceWithUri source2 =
new TestSourceWithUri(filePath, Uri.parse('package:foo/file.dart'));
expected.add(source2);
changeSet.addedSource(source2);
context.applyChanges(changeSet);
expect(context.getSourcesWithFullName(filePath), unorderedEquals(expected));
}
void test_getStatistics() {
AnalysisContextStatistics statistics = context.statistics;
expect(statistics, isNotNull);
// The following lines are fragile.
// The values depend on the number of libraries in the SDK.
// assertLength(0, statistics.getCacheRows());
// assertLength(0, statistics.getExceptions());
// assertLength(0, statistics.getSources());
}
void test_handleContentsChanged() {
ContentCache contentCache = new ContentCache();
context.contentCache = contentCache;
String oldContents = 'foo() {}';
String newContents = 'bar() {}';
// old contents
Source source = addSource("/test.dart", oldContents);
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(source, source), isNotNull);
// new contents
contentCache.setContents(source, newContents);
context.handleContentsChanged(source, oldContents, newContents, true);
// there is some work to do
AnalysisResult analysisResult = context.performAnalysisTask();
expect(analysisResult.changeNotices, isNotNull);
}
Future test_implicitAnalysisEvents_added() async {
AnalyzedSourcesListener listener = new AnalyzedSourcesListener();
context.implicitAnalysisEvents.listen(listener.onData);
//
// Create a file that references an file that is not explicitly being
// analyzed and fully analyze it. Ensure that the listener is told about
// the implicitly analyzed file.
//
Source sourceA = newSource('/a.dart', "library a; import 'b.dart';");
Source sourceB = newSource('/b.dart', "library b;");
ChangeSet changeSet = new ChangeSet();
changeSet.addedSource(sourceA);
context.applyChanges(changeSet);
context.computeErrors(sourceA);
await pumpEventQueue();
listener.expectAnalyzed(sourceB);
}
void test_isClientLibrary_dart() {
Source source = addSource(
"/test.dart",
r'''
import 'dart:html';
main() {}''');
expect(context.isClientLibrary(source), isFalse);
expect(context.isServerLibrary(source), isFalse);
context.computeLibraryElement(source);
expect(context.isClientLibrary(source), isTrue);
expect(context.isServerLibrary(source), isFalse);
}
void test_isClientLibrary_html() {
Source source = addSource("/test.html", "<html></html>");
expect(context.isClientLibrary(source), isFalse);
}
void test_isServerLibrary_dart() {
Source source = addSource(
"/test.dart",
r'''
library lib;
main() {}''');
expect(context.isClientLibrary(source), isFalse);
expect(context.isServerLibrary(source), isFalse);
context.computeLibraryElement(source);
expect(context.isClientLibrary(source), isFalse);
expect(context.isServerLibrary(source), isTrue);
}
void test_isServerLibrary_html() {
Source source = addSource("/test.html", "<html></html>");
expect(context.isServerLibrary(source), isFalse);
}
void test_parseCompilationUnit_errors() {
Source source = addSource("/lib.dart", "library {");
CompilationUnit compilationUnit = context.parseCompilationUnit(source);
expect(compilationUnit, isNotNull);
var errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
List<AnalysisError> errors = errorInfo.errors;
expect(errors, isNotNull);
expect(errors.length > 0, isTrue);
}
void test_parseCompilationUnit_exception() {
Source source = _addSourceWithException("/test.dart");
try {
context.parseCompilationUnit(source);
fail("Expected AnalysisException");
} on AnalysisException {
// Expected
}
}
void test_parseCompilationUnit_html() {
Source source = addSource("/test.html", "<html></html>");
expect(context.parseCompilationUnit(source), isNull);
}
void test_parseCompilationUnit_noErrors() {
Source source = addSource("/lib.dart", "library lib;");
CompilationUnit compilationUnit = context.parseCompilationUnit(source);
expect(compilationUnit, isNotNull);
AnalysisErrorInfo errorInfo = context.getErrors(source);
expect(errorInfo, isNotNull);
expect(errorInfo.errors, hasLength(0));
}
void test_parseCompilationUnit_nonExistentSource() {
Source source = newSource('/test.dart');
resourceProvider.deleteFile('/test.dart');
try {
context.parseCompilationUnit(source);
fail("Expected AnalysisException because file does not exist");
} on AnalysisException {
// Expected result
}
}
void test_parseHtmlDocument() {
Source source = addSource("/lib.html", "<!DOCTYPE html><html></html>");
Document document = context.parseHtmlDocument(source);
expect(document, isNotNull);
}
void test_parseHtmlUnit_resolveDirectives() {
Source libSource = addSource(
"/lib.dart",
r'''
library lib;
class ClassA {}''');
Source source = addSource(
"/lib.html",
r'''
<!DOCTYPE html>
<html>
<head>
<script type='application/dart'>
import 'lib.dart';
ClassA v = null;
</script>
</head>
<body>
</body>
</html>''');
Document document = context.parseHtmlDocument(source);
expect(document, isNotNull);
List<DartScript> scripts = context.computeResult(source, DART_SCRIPTS);
expect(scripts, hasLength(1));
CompilationUnit unit = context.computeResult(scripts[0], PARSED_UNIT);
ImportDirective importNode = unit.directives[0] as ImportDirective;
expect(importNode.uriContent, isNotNull);
expect(importNode.source, libSource);
}
void test_performAnalysisTask_addPart() {
Source libSource = addSource(
"/lib.dart",
r'''
library lib;
part 'part.dart';''');
// run all tasks without part
_analyzeAll_assertFinished();
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(libSource)),
isTrue,
reason: "lib has errors");
// add part and run all tasks
Source partSource = addSource(
"/part.dart",
r'''
part of lib;
''');
_analyzeAll_assertFinished();
// "libSource" should be here
List<Source> librariesWithPart = context.getLibrariesContaining(partSource);
expect(librariesWithPart, unorderedEquals([libSource]));
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(libSource)),
isFalse,
reason: "lib doesn't have errors");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved");
}
void test_performAnalysisTask_changeLibraryContents() {
Source libSource =
addSource("/test.dart", "library lib; part 'test-part.dart';");
Source partSource = addSource("/test-part.dart", "part of lib;");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 1");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 1");
// update and analyze #1
context.setContents(libSource, "library lib;");
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 2");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 2");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 2");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part resolved 2");
// update and analyze #2
context.setContents(libSource, "library lib; part 'test-part.dart';");
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 3");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 3");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 2");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 3");
}
void test_performAnalysisTask_changeLibraryThenPartContents() {
Source libSource =
addSource("/test.dart", "library lib; part 'test-part.dart';");
Source partSource = addSource("/test-part.dart", "part of lib;");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 1");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 1");
// update and analyze #1
context.setContents(libSource, "library lib;");
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 2");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 2");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 2");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part resolved 2");
// update and analyze #2
context.setContents(partSource, "part of lib; // 1");
// Assert that changing the part's content does not effect the library
// now that it is no longer part of that library
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library changed 3");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 3");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 3");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part resolved 3");
}
void test_performAnalysisTask_changePartContents_makeItAPart() {
Source libSource = addSource(
"/lib.dart",
r'''
library lib;
part 'part.dart';
void f(x) {}''');
Source partSource = addSource("/part.dart", "void g() { f(null); }");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 1");
expect(
context.getResolvedCompilationUnit2(partSource, partSource), isNotNull,
reason: "part resolved 1");
// update and analyze
context.setContents(
partSource,
r'''
part of lib;
void g() { f(null); }''');
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 2");
expect(context.getResolvedCompilationUnit2(partSource, partSource), isNull,
reason: "part changed 2");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 2");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 2");
expect(context.getErrors(libSource).errors, hasLength(0));
expect(context.getErrors(partSource).errors, hasLength(0));
}
/**
* https://code.google.com/p/dart/issues/detail?id=12424
*/
void test_performAnalysisTask_changePartContents_makeItNotPart() {
Source libSource = addSource(
"/lib.dart",
r'''
library lib;
part 'part.dart';
void f(x) {}''');
Source partSource = addSource(
"/part.dart",
r'''
part of lib;
void g() { f(null); }''');
_analyzeAll_assertFinished();
expect(context.getErrors(libSource).errors, hasLength(0));
expect(context.getErrors(partSource).errors, hasLength(0));
// Remove 'part' directive, which should make "f(null)" an error.
context.setContents(
partSource,
r'''
//part of lib;
void g() { f(null); }''');
_analyzeAll_assertFinished();
expect(context.getErrors(libSource).errors.length != 0, isTrue);
}
void test_performAnalysisTask_changePartContents_noSemanticChanges() {
Source libSource =
addSource("/test.dart", "library lib; part 'test-part.dart';");
Source partSource = addSource("/test-part.dart", "part of lib;");
_analyzeAll_assertFinished();
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 1");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 1");
// update and analyze #1
context.setContents(partSource, "part of lib; // 1");
if (AnalysisEngine.instance.limitInvalidationInTaskModel) {
expect(
context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library changed 2");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part changed 2");
} else {
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 2");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 2");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 2");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 2");
}
// update and analyze #2
context.setContents(partSource, "part of lib; // 12");
if (AnalysisEngine.instance.limitInvalidationInTaskModel) {
expect(
context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library changed 3");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part changed 3");
} else {
expect(context.getResolvedCompilationUnit2(libSource, libSource), isNull,
reason: "library changed 3");
expect(context.getResolvedCompilationUnit2(partSource, libSource), isNull,
reason: "part changed 3");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
reason: "library resolved 3");
expect(
context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
reason: "part resolved 3");
}
}
void test_performAnalysisTask_getContentException_dart() {
Source source = _addSourceWithException('test.dart');
// prepare errors
_analyzeAll_assertFinished();
List<AnalysisError> errors = context.getErrors(source).errors;
// validate errors
expect(errors, hasLength(1));
AnalysisError error = errors[0];
expect(error.source, same(source));
expect(error.errorCode, ScannerErrorCode.UNABLE_GET_CONTENT);
}
void test_performAnalysisTask_getContentException_html() {
Source source = _addSourceWithException('test.html');
// prepare errors
_analyzeAll_assertFinished();
List<AnalysisError> errors = context.getErrors(source).errors;
// validate errors
expect(errors, hasLength(1));
AnalysisError error = errors[0];
expect(error.source, same(source));
expect(error.errorCode, ScannerErrorCode.UNABLE_GET_CONTENT);
}
void test_performAnalysisTask_importedLibraryAdd() {
Source libASource =
addSource("/libA.dart", "library libA; import 'libB.dart';");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
reason: "libA resolved 1");
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(libASource)),
isTrue,
reason: "libA has an error");
// add libB.dart and analyze
Source libBSource = addSource("/libB.dart", "library libB;");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
reason: "libA resolved 2");
expect(
context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
reason: "libB resolved 2");
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(libASource)),
isFalse,
reason: "libA doesn't have errors");
}
void test_performAnalysisTask_importedLibraryAdd_html() {
Source htmlSource = addSource(
"/page.html",
r'''
<html><body><script type="application/dart">
import '/libB.dart';
main() {print('hello dart');}
</script></body></html>''');
_analyzeAll_assertFinished();
context.computeErrors(htmlSource);
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(htmlSource)),
isTrue,
reason: "htmlSource has an error");
// add libB.dart and analyze
Source libBSource = addSource("/libB.dart", "library libB;");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
reason: "libB resolved 2");
// TODO (danrubel) commented out to fix red bots
// context.computeErrors(htmlSource);
// AnalysisErrorInfo errors = _context.getErrors(htmlSource);
// expect(
// !_hasAnalysisErrorWithErrorSeverity(errors),
// isTrue,
// reason: "htmlSource doesn't have errors");
}
void test_performAnalysisTask_importedLibraryDelete() {
Source libASource =
addSource("/libA.dart", "library libA; import 'libB.dart';");
Source libBSource = addSource("/libB.dart", "library libB;");
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
reason: "libA resolved 1");
expect(
context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
reason: "libB resolved 1");
expect(!_hasAnalysisErrorWithErrorSeverity(context.getErrors(libASource)),
isTrue,
reason: "libA doesn't have errors");
// remove libB.dart and analyze
_removeSource(libBSource);
_analyzeAll_assertFinished();
expect(
context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
reason: "libA resolved 2");
expect(_hasAnalysisErrorWithErrorSeverity(context.getErrors(libASource)),
isTrue,
reason: "libA has an error");
}
void test_performAnalysisTask_IOException() {
TestSource source = _addSourceWithException2("/test.dart", "library test;");
source.generateExceptionOnRead = false;
_analyzeAll_assertFinished();
expect(source.readCount, 2);
_changeSource(source, "");
source.generateExceptionOnRead = true;
_analyzeAll_assertFinished();
if (AnalysisEngine.instance.limitInvalidationInTaskModel) {
expect(source.readCount, 7);
} else {
expect(source.readCount, 5);
}
}
void test_performAnalysisTask_missingPart() {
Source source =
addSource("/test.dart", "library lib; part 'no-such-file.dart';");
_analyzeAll_assertFinished();
expect(context.getLibraryElement(source), isNotNull,
reason: "performAnalysisTask failed to compute an element model");
}
void test_performAnalysisTask_modifiedAfterParse() {
// TODO(scheglov) no threads in Dart
// Source source = _addSource("/test.dart", "library lib;");
// int initialTime = _context.getModificationStamp(source);
// List<Source> sources = <Source>[];
// sources.add(source);
// _context.analysisPriorityOrder = sources;
// _context.parseCompilationUnit(source);
// while (initialTime == JavaSystem.currentTimeMillis()) {
// Thread.sleep(1);
// // Force the modification time to be different.
// }
// _context.setContents(source, "library test;");
// JUnitTestCase.assertTrue(initialTime != _context.getModificationStamp(source));
// _analyzeAll_assertFinished();
// JUnitTestCase.assertNotNullMsg("performAnalysisTask failed to compute an element model", _context.getLibraryElement(source));
}
void test_performAnalysisTask_onResultComputed() {
Set<String> libraryElementUris = new Set<String>();
Set<String> parsedUnitUris = new Set<String>();
Set<String> resolvedUnitUris = new Set<String>();
// listen
context.onResultComputed(LIBRARY_ELEMENT).listen((event) {
Source librarySource = event.target;
libraryElementUris.add(librarySource.uri.toString());
});
context.onResultComputed(PARSED_UNIT).listen((event) {
Source source = event.target;
parsedUnitUris.add(source.uri.toString());
});
context.onResultComputed(RESOLVED_UNIT).listen((event) {
LibrarySpecificUnit target = event.target;
Source librarySource = target.library;
resolvedUnitUris.add(librarySource.uri.toString());
});
// analyze
addSource('/test.dart', 'main() {}');
_analyzeAll_assertFinished();
// verify
expect(libraryElementUris, contains('dart:core'));
expect(libraryElementUris, contains('file:///test.dart'));
expect(parsedUnitUris, contains('dart:core'));
expect(parsedUnitUris, contains('file:///test.dart'));
expect(resolvedUnitUris, contains('dart:core'));
expect(resolvedUnitUris, contains('file:///test.dart'));
}
void test_resolveCompilationUnit_import_relative() {
Source sourceA =
addSource("/libA.dart", "library libA; import 'libB.dart'; class A{}");
addSource("/libB.dart", "library libB; class B{}");
CompilationUnit compilationUnit =
context.resolveCompilationUnit2(sourceA, sourceA);
expect(compilationUnit, isNotNull);
LibraryElement library = compilationUnit.element.library;
List<LibraryElement> importedLibraries = library.importedLibraries;
assertNamedElements(importedLibraries, ["dart.core", "libB"]);
List<LibraryElement> visibleLibraries = library.visibleLibraries;
assertNamedElements(visibleLibraries,
["dart.core", "dart.async", "dart.math", "libA", "libB"]);
}
void test_resolveCompilationUnit_import_relative_cyclic() {
Source sourceA =
addSource("/libA.dart", "library libA; import 'libB.dart'; class A{}");
addSource("/libB.dart", "library libB; import 'libA.dart'; class B{}");
CompilationUnit compilationUnit =
context.resolveCompilationUnit2(sourceA, sourceA);
expect(compilationUnit, isNotNull);
LibraryElement library = compilationUnit.element.library;
List<LibraryElement> importedLibraries = library.importedLibraries;
assertNamedElements(importedLibraries, ["dart.core", "libB"]);
List<LibraryElement> visibleLibraries = library.visibleLibraries;
assertNamedElements(visibleLibraries,
["dart.core", "dart.async", "dart.math", "libA", "libB"]);
}
void test_resolveCompilationUnit_library() {
Source source = addSource("/lib.dart", "library lib;");
LibraryElement library = context.computeLibraryElement(source);
CompilationUnit compilationUnit =
context.resolveCompilationUnit(source, library);
expect(compilationUnit, isNotNull);
expect(compilationUnit.element, isNotNull);
}
// void test_resolveCompilationUnit_sourceChangeDuringResolution() {
// _context = new _AnalysisContext_sourceChangeDuringResolution();
// AnalysisContextFactory.initContextWithCore(_context);
// _sourceFactory = _context.sourceFactory;
// Source source = _addSource("/lib.dart", "library lib;");
// CompilationUnit compilationUnit =
// _context.resolveCompilationUnit2(source, source);
// expect(compilationUnit, isNotNull);
// expect(_context.getLineInfo(source), isNotNull);
// }
void test_resolveCompilationUnit_source() {
Source source = addSource("/lib.dart", "library lib;");
CompilationUnit compilationUnit =
context.resolveCompilationUnit2(source, source);
expect(compilationUnit, isNotNull);
}
void test_setAnalysisOptions() {
AnalysisOptionsImpl options = new AnalysisOptionsImpl();
options.cacheSize = 42;
options.dart2jsHint = false;
options.hint = false;
context.analysisOptions = options;
AnalysisOptions result = context.analysisOptions;
expect(result.cacheSize, options.cacheSize);
expect(result.dart2jsHint, options.dart2jsHint);
expect(result.hint, options.hint);
}
void test_setAnalysisPriorityOrder() {
int priorityCount = 4;
List<Source> sources = <Source>[];
for (int index = 0; index < priorityCount; index++) {
sources.add(addSource("/lib.dart$index", ""));
}
context.analysisPriorityOrder = sources;
expect(_getPriorityOrder(context).length, priorityCount);
}
void test_setAnalysisPriorityOrder_empty() {
context.analysisPriorityOrder = <Source>[];
}
void test_setAnalysisPriorityOrder_nonEmpty() {
List<Source> sources = <Source>[];
sources.add(addSource("/lib.dart", "library lib;"));
context.analysisPriorityOrder = sources;
}
void test_setAnalysisPriorityOrder_resetAnalysisDriver() {
Source source = addSource('/lib.dart', 'library lib;');
// start analysis
context.performAnalysisTask();
expect(context.driver.currentWorkOrder, isNotNull);
// set priority sources, AnalysisDriver is reset
context.analysisPriorityOrder = <Source>[source];
expect(context.driver.currentWorkOrder, isNull);
// analysis continues
context.performAnalysisTask();
expect(context.driver.currentWorkOrder, isNotNull);
}
Future test_setChangedContents_libraryWithPart() {
AnalysisOptionsImpl options = new AnalysisOptionsImpl();
options.incremental = true;
context.analysisOptions = options;
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
String oldCode = r'''
library lib;
part 'part.dart';
int a = 0;''';
Source librarySource = addSource("/lib.dart", oldCode);
String partContents = r'''
part of lib;
int b = a;''';
Source partSource = addSource("/part.dart", partContents);
LibraryElement element = context.computeLibraryElement(librarySource);
CompilationUnit unit =
context.resolveCompilationUnit(librarySource, element);
expect(unit, isNotNull);
int offset = oldCode.indexOf("int a") + 4;
String newCode = r'''
library lib;
part 'part.dart';
int ya = 0;''';
context.setChangedContents(librarySource, newCode, offset, 0, 1);
expect(context.getContents(librarySource).data, newCode);
expect(
context.getResolvedCompilationUnit2(partSource, librarySource), isNull);
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(changedSources: [librarySource]);
listener.assertNoMoreEvents();
});
}
void test_setChangedContents_notResolved() {
AnalysisOptionsImpl options =
new AnalysisOptionsImpl.from(context.analysisOptions);
options.incremental = true;
context.analysisOptions = options;
String oldCode = r'''
library lib;
int a = 0;''';
Source librarySource = addSource("/lib.dart", oldCode);
int offset = oldCode.indexOf("int a") + 4;
String newCode = r'''
library lib;
int ya = 0;''';
context.setChangedContents(librarySource, newCode, offset, 0, 1);
expect(context.getContents(librarySource).data, newCode);
}
Future test_setContents_libraryWithPart() {
SourcesChangedListener listener = new SourcesChangedListener();
context.onSourcesChanged.listen(listener.onData);
String libraryContents1 = r'''
library lib;
part 'part.dart';
int a = 0;''';
Source librarySource = addSource("/lib.dart", libraryContents1);
String partContents1 = r'''
part of lib;
int b = a;''';
Source partSource = addSource("/part.dart", partContents1);
context.computeLibraryElement(librarySource);
String libraryContents2 = r'''
library lib;
part 'part.dart';
int aa = 0;''';
context.setContents(librarySource, libraryContents2);
expect(
context.getResolvedCompilationUnit2(partSource, librarySource), isNull);
return pumpEventQueue().then((_) {
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(wereSourcesAdded: true);
listener.assertEvent(changedSources: [librarySource]);
listener.assertNoMoreEvents();
});
}
void test_setContents_null() {
Source librarySource = addSource(
"/lib.dart",
r'''
library lib;
int a = 0;''');
context.setContents(librarySource, '// different');
context.computeLibraryElement(librarySource);
context.setContents(librarySource, null);
expect(context.getResolvedCompilationUnit2(librarySource, librarySource),
isNull);
}
void test_setContents_unchanged_consistentModificationTime() {
String contents = "// foo";
Source source = addSource("/test.dart", contents);
context.setContents(source, contents);
// do all, no tasks
_analyzeAll_assertFinished();
{
AnalysisResult result = context.performAnalysisTask();
expect(result.changeNotices, isNull);
}
// set the same contents, still no tasks
context.setContents(source, contents);
{
AnalysisResult result = context.performAnalysisTask();
expect(result.changeNotices, isNull);
}
}
void test_setSourceFactory() {
expect(context.sourceFactory, sourceFactory);
SourceFactory factory = new SourceFactory([]);
context.sourceFactory = factory;
expect(context.sourceFactory, factory);
}
void test_updateAnalysis() {
expect(context.sourcesNeedingProcessing, isEmpty);
Source source = newSource('/test.dart');
AnalysisDelta delta = new AnalysisDelta();
delta.setAnalysisLevel(source, AnalysisLevel.ALL);
context.applyAnalysisDelta(delta);
expect(context.sourcesNeedingProcessing, contains(source));
delta = new AnalysisDelta();
delta.setAnalysisLevel(source, AnalysisLevel.NONE);
context.applyAnalysisDelta(delta);
expect(context.sourcesNeedingProcessing.contains(source), isFalse);
}
void test_validateCacheConsistency_deletedSource() {
MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
var fileA = resourceProvider.newFile('/a.dart', "");
var fileB = resourceProvider.newFile('/b.dart', "import 'a.dart';");
Source sourceA = fileA.createSource();
Source sourceB = fileB.createSource();
context.applyChanges(
new ChangeSet()..addedSource(sourceA)..addedSource(sourceB));
// analyze everything
_analyzeAll_assertFinished();
// delete a.dart
resourceProvider.deleteFile('/a.dart');
// analysis should eventually stop
_analyzeAll_assertFinished();
}
void xtest_performAnalysisTask_stress() {
int maxCacheSize = 4;
AnalysisOptionsImpl options =
new AnalysisOptionsImpl.from(context.analysisOptions);
options.cacheSize = maxCacheSize;
context.analysisOptions = options;
int sourceCount = maxCacheSize + 2;
List<Source> sources = <Source>[];
ChangeSet changeSet = new ChangeSet();
for (int i = 0; i < sourceCount; i++) {
Source source = addSource("/lib$i.dart", "library lib$i;");
sources.add(source);
changeSet.addedSource(source);
}
context.applyChanges(changeSet);
context.analysisPriorityOrder = sources;
for (int i = 0; i < 1000; i++) {
List<ChangeNotice> notice = context.performAnalysisTask().changeNotices;
if (notice == null) {
//System.out.println("test_performAnalysisTask_stress: " + i);
break;
}
}
List<ChangeNotice> notice = context.performAnalysisTask().changeNotices;
if (notice != null) {
fail(
"performAnalysisTask failed to terminate after analyzing all sources");
}
}
TestSource _addSourceWithException(String fileName) {
return _addSourceWithException2(fileName, "");
}
TestSource _addSourceWithException2(String fileName, String contents) {
TestSource source = new TestSource(fileName, contents);
source.generateExceptionOnRead = true;
ChangeSet changeSet = new ChangeSet();
changeSet.addedSource(source);
context.applyChanges(changeSet);
return source;
}
/**
* Perform analysis tasks up to 512 times and assert that it was enough.
*/
void _analyzeAll_assertFinished([int maxIterations = 512]) {
for (int i = 0; i < maxIterations; i++) {
List<ChangeNotice> notice = context.performAnalysisTask().changeNotices;
if (notice == null) {
bool inconsistent = context.validateCacheConsistency();
if (!inconsistent) {
return;
}
}
}
fail("performAnalysisTask failed to terminate after analyzing all sources");
}
void _changeSource(TestSource source, String contents) {
source.setContents(contents);
ChangeSet changeSet = new ChangeSet();
changeSet.changedSource(source);
context.applyChanges(changeSet);
}
/**
* Search the given compilation unit for a class with the given name. Return the class with the
* given name, or `null` if the class cannot be found.
*
* @param unit the compilation unit being searched
* @param className the name of the class being searched for
* @return the class with the given name
*/
ClassElement _findClass(CompilationUnitElement unit, String className) {
for (ClassElement classElement in unit.types) {
if (classElement.displayName == className) {
return classElement;
}
}
return null;
}
void _flushAst(Source source) {
CacheEntry entry =
context.getCacheEntry(new LibrarySpecificUnit(source, source));
entry.setState(RESOLVED_UNIT, CacheState.FLUSHED);
}
List<Source> _getPriorityOrder(AnalysisContextImpl context) {
return context.test_priorityOrder;
}
void _performPendingAnalysisTasks([int maxTasks = 512]) {
for (int i = 0; context.performAnalysisTask().hasMoreWork; i++) {
if (i > maxTasks) {
fail('Analysis did not terminate.');
}
}
}
void _removeSource(Source source) {
resourceProvider.deleteFile(source.fullName);
ChangeSet changeSet = new ChangeSet();
changeSet.removedSource(source);
context.applyChanges(changeSet);
}
/**
* Returns `true` if there is an [AnalysisError] with [ErrorSeverity.ERROR] in
* the given [AnalysisErrorInfo].
*/
static bool _hasAnalysisErrorWithErrorSeverity(AnalysisErrorInfo errorInfo) {
List<AnalysisError> errors = errorInfo.errors;
for (AnalysisError analysisError in errors) {
if (analysisError.errorCode.errorSeverity == ErrorSeverity.ERROR) {
return true;
}
}
return false;
}
}
@reflectiveTest
class LimitedInvalidateTest extends AbstractContextTest {
@override
void setUp() {
AnalysisEngine.instance.limitInvalidationInTaskModel = true;
super.setUp();
AnalysisOptionsImpl options =
new AnalysisOptionsImpl.from(context.analysisOptions);
options.incremental = true;
context.analysisOptions = options;
}
@override
void tearDown() {
AnalysisEngine.instance.limitInvalidationInTaskModel = false;
super.tearDown();
}
void test_noChange_thenChange() {
Source sourceA = addSource(
"/a.dart",
r'''
library lib_a;
class A {
A();
}
class B {
B();
}
''');
Source sourceB = addSource(
"/b.dart",
r'''
library lib_b;
import 'a.dart';
main() {
new A();
}
''');
_performPendingAnalysisTasks();
expect(context.getErrors(sourceA).errors, hasLength(0));
expect(context.getErrors(sourceB).errors, hasLength(0));
var unitA = context.getResolvedCompilationUnit2(sourceA, sourceA);
var unitElementA = unitA.element;
var libraryElementA = unitElementA.library;
// Update a.dart, no declaration changes.
context.setContents(
sourceA,
r'''
library lib_a;
class A {
A();
}
class B {
B();
}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertValid(sourceB, LIBRARY_ELEMENT);
// The a.dart's unit and element are updated incrementally.
// They are the same instances as initially.
// So, all the references from other units are still valid.
{
LibrarySpecificUnit target = new LibrarySpecificUnit(sourceA, sourceA);
expect(analysisCache.getValue(target, RESOLVED_UNIT1), same(unitA));
expect(unitA.element, same(unitElementA));
expect(unitElementA.library, same(libraryElementA));
}
// Analyze.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceA).errors, hasLength(0));
expect(context.getErrors(sourceB).errors, hasLength(0));
// The a.dart's unit and element are the same.
{
LibrarySpecificUnit target = new LibrarySpecificUnit(sourceA, sourceA);
expect(analysisCache.getValue(target, RESOLVED_UNIT), same(unitA));
expect(unitA.element, same(unitElementA));
expect(unitElementA.library, same(libraryElementA));
}
// Update a.dart, rename A to A2, invalidates b.dart, so
// we know that the previous update did not damage dependencies.
context.setContents(
sourceA,
r'''
library lib_a;
class A {
A();
m() {}
}
class B {
B();
}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ELEMENT);
// The a.dart's unit and element are the same.
{
LibrarySpecificUnit target = new LibrarySpecificUnit(sourceA, sourceA);
expect(analysisCache.getValue(target, RESOLVED_UNIT1), same(unitA));
expect(unitA.element, same(unitElementA));
expect(unitElementA.library, same(libraryElementA));
}
// Analyze.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceA).errors, hasLength(0));
expect(context.getErrors(sourceB).errors, hasLength(0));
}
void test_unusedName() {
Source sourceA = addSource(
"/a.dart",
r'''
library lib_a;
class A {}
class B {}
class C {}
''');
Source sourceB = addSource(
"/b.dart",
r'''
library lib_b;
import 'a.dart';
main() {
new A();
new C();
}
''');
_performPendingAnalysisTasks();
// Update A.
context.setContents(
sourceA,
r'''
library lib_a;
class A {}
class B2 {}
class C {}
''');
// Only a.dart is invalidated.
// Because b.dart does not use B, so it is valid.
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertValid(sourceB, LIBRARY_ERRORS_READY);
}
void test_usedName_directUser() {
Source sourceA = addSource(
"/a.dart",
r'''
library lib_a;
class A {}
class B {}
class C {}
''');
Source sourceB = addSource(
"/b.dart",
r'''
library lib_b;
import 'a.dart';
main() {
new A();
new C2();
}
''');
_performPendingAnalysisTasks();
expect(context.getErrors(sourceB).errors, hasLength(1));
// Update a.dart, invalidates b.dart because it references "C2".
context.setContents(
sourceA,
r'''
library lib_a;
class A {}
class B {}
class C2 {}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ERRORS_READY);
// Now b.dart is analyzed and the error is fixed.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceB).errors, hasLength(0));
// Update a.dart, invalidates b.dart because it references "C".
context.setContents(
sourceA,
r'''
library lib_a;
class A {}
class B {}
class C {}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ERRORS_READY);
_performPendingAnalysisTasks();
// Now b.dart is analyzed and it again has the error.
expect(context.getErrors(sourceB).errors, hasLength(1));
}
void test_usedName_directUser_withIncremental() {
Source sourceA = addSource(
"/a.dart",
r'''
library lib_a;
class A {
m() {}
}
''');
Source sourceB = addSource(
"/b.dart",
r'''
library lib_b;
import 'a.dart';
main() {
A a = new A();
a.m();
}
''');
_performPendingAnalysisTasks();
// Update A.
context.setContents(
sourceA,
r'''
library lib_a;
class A {
m2() {}
}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ERRORS_READY);
}
void test_usedName_indirectUser() {
Source sourceA = addSource(
"/a.dart",
r'''
library lib_a;
class A {
m() {}
}
''');
Source sourceB = addSource(
"/b.dart",
r'''
library lib_b;
import 'a.dart';
class B extends A {}
''');
Source sourceC = addSource(
"/c.dart",
r'''
library lib_c;
import 'b.dart';
class C extends B {
main() {
m();
}
}
''');
// No errors, "A.m" exists.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceC).errors, hasLength(0));
// Replace "A.m" with "A.m2", invalidate both b.dart and c.dart files.
context.setContents(
sourceA,
r'''
library lib_a;
class A {
m2() {}
}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ERRORS_READY);
_assertInvalid(sourceC, LIBRARY_ERRORS_READY);
// There is an error in c.dart, "A.m" does not exist.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceB).errors, hasLength(0));
expect(context.getErrors(sourceC).errors, hasLength(1));
// Restore "A.m", invalidate both b.dart and c.dart files.
context.setContents(
sourceA,
r'''
library lib_a;
class A {
m() {}
}
''');
_assertInvalid(sourceA, LIBRARY_ERRORS_READY);
_assertInvalid(sourceB, LIBRARY_ERRORS_READY);
_assertInvalid(sourceC, LIBRARY_ERRORS_READY);
// No errors, "A.m" exists.
_performPendingAnalysisTasks();
expect(context.getErrors(sourceC).errors, hasLength(0));
}
void _assertInvalid(AnalysisTarget target, ResultDescriptor descriptor) {
CacheState state = analysisCache.getState(target, descriptor);
expect(state, CacheState.INVALID);
}
void _assertValid(AnalysisTarget target, ResultDescriptor descriptor) {
CacheState state = analysisCache.getState(target, descriptor);
expect(state, CacheState.VALID);
}
void _performPendingAnalysisTasks([int maxTasks = 512]) {
for (int i = 0; context.performAnalysisTask().hasMoreWork; i++) {
if (i > maxTasks) {
fail('Analysis did not terminate.');
}
}
}
}
class _AnalysisContextImplTest_test_applyChanges_removeContainer
implements SourceContainer {
Source libB;
_AnalysisContextImplTest_test_applyChanges_removeContainer(this.libB);
@override
bool contains(Source source) => source == libB;
}