angular-docs-cn/modules_dart/angular2_testing/test/angular2_testing_test.dart

102 lines
2.7 KiB
Dart

// Because Angular is using dart:html, we need these tests to run on an actual
// browser. This means that it should be run with `-p dartium` or `-p chrome`.
@TestOn('browser')
import 'package:angular2/angular2.dart'
show Component, View, NgFor, provide, Inject, Injectable, Optional;
import 'package:test/test.dart';
import 'package:angular2_testing/angular2_testing.dart';
// This is the component we will be testing.
@Component(selector: 'test-cmp')
@View(directives: const [NgFor])
class TestComponent {
List<num> items;
TestComponent() {
this.items = [1, 2];
}
}
@Injectable()
class TestService {
String status = 'not ready';
init() {
this.status = 'ready';
}
}
class MyToken {}
const TEMPLATE =
'<div><copy-me template=\'ngFor #item of items\'>{{item.toString()}};</copy-me></div>';
void main() {
initAngularTests();
setUpProviders(() => [provide(MyToken, useValue: 'my string'), TestService]);
test('normal function', () {
var string = 'foo,bar,baz';
expect(string.split(','), equals(['foo', 'bar', 'baz']));
});
ngTest('can grab injected values',
(@Inject(MyToken) token, TestService testService) {
expect(token, equals('my string'));
expect(testService.status, equals('not ready'));
});
group('nested ngSetUp', () {
ngSetUp((TestService testService) {
testService.init();
});
ngTest('ngSetUp modifies injected services', (TestService testService) {
expect(testService.status, equals('ready'));
});
});
ngTest('create a component using the TestComponentBuilder',
(TestComponentBuilder tcb) async {
var rootTC = await tcb
.overrideTemplate(TestComponent, TEMPLATE)
.createAsync(TestComponent);
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement.text, equals('1;2;'));
});
ngTest('should reflect added elements', (TestComponentBuilder tcb) async {
var rootTC = await tcb
.overrideTemplate(TestComponent, TEMPLATE)
.createAsync(TestComponent);
rootTC.detectChanges();
(rootTC.debugElement.componentInstance.items as List<num>).add(3);
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement.text, equals('1;2;3;'));
});
group('expected failures', () {
ngTest('no type in param list', (notTyped) {
expect(1, equals(2));
});
ngSetUp((TestService testService) {
testService.init();
});
// This would fail, since setUpProviders is used after a call to ngSetUp has already
// initialized the injector.
group('nested', () {
setUpProviders(() => [TestService]);
test('foo', () {
expect(1 + 1, equals(2));
});
});
}, skip: 'expected failures');
}