angular-cn/modules/angular2/test/transform/common/annotation_matcher_test.dart

105 lines
3.1 KiB
Dart

library angular2.test.transform.common.annotation_matcher_test;
import 'dart:async';
import 'package:analyzer/analyzer.dart';
import 'package:angular2/src/transform/common/annotation_matcher.dart';
import 'package:barback/barback.dart' show AssetId;
import 'package:guinness/guinness.dart';
main() {
allTests();
}
var simpleAst = parseCompilationUnit('''
import 'package:test/test.dart';
@Test()
var foo;
''');
var namespacedAst = parseCompilationUnit('''
import 'package:test/test.dart' as test;
@test.Test()
var foo;
''');
var relativePathAst = parseCompilationUnit('''
import 'test.dart';
@Test()
var foo;
''');
var namespacedRelativePathAst = parseCompilationUnit('''
import 'test.dart' as test;
@test.Test()
var foo;
''');
void allTests() {
it('should be able to match basic annotations.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Test', 'package:test/test.dart', null));
var visitor = new MatchRecordingVisitor(matcher);
simpleAst.accept(visitor);
expect(visitor.matches.length).toBe(1);
});
it('should be able to match namespaced annotations.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Test', 'package:test/test.dart', null));
var visitor = new MatchRecordingVisitor(matcher);
namespacedAst.accept(visitor);
expect(visitor.matches.length).toBe(1);
});
it('should be able to match relative imports.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Test', 'package:test/test.dart', null));
var visitor =
new MatchRecordingVisitor(matcher, new AssetId('test', 'lib/foo.dart'));
relativePathAst.accept(visitor);
expect(visitor.matches.length).toBe(1);
});
it('should be able to match relative imports with a namespace.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Test', 'package:test/test.dart', null));
var visitor =
new MatchRecordingVisitor(matcher, new AssetId('test', 'lib/foo.dart'));
namespacedRelativePathAst.accept(visitor);
expect(visitor.matches.length).toBe(1);
});
it('should not match annotations if the import is missing.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Test', 'package:test/foo.dart', null));
var visitor = new MatchRecordingVisitor(matcher);
simpleAst.accept(visitor);
expect(visitor.matches.isEmpty).toBeTrue();
});
it('should not match annotations if the name is different.', () {
var matcher = new AnnotationMatcher()
..add(const AnnotationDescriptor('Foo', 'package:test/test.dart', null));
var visitor = new MatchRecordingVisitor(matcher);
simpleAst.accept(visitor);
expect(visitor.matches.isEmpty).toBeTrue();
});
}
class MatchRecordingVisitor extends RecursiveAstVisitor {
final AssetId assetId;
final AnnotationMatcher matcher;
final List<Annotation> matches = [];
MatchRecordingVisitor(this.matcher, [this.assetId]) : super();
@override
void visitAnnotation(Annotation annotation) {
if (matcher.hasMatch(annotation, assetId)) matches.add(annotation);
}
}