angular-cn/modules/angular2/src/mock/location_mock.ts

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import {Injectable} from 'angular2/src/core/di';
import {EventEmitter, ObservableWrapper} from 'angular2/src/facade/async';
import {ListWrapper} from 'angular2/src/facade/collection';
import {Location} from 'angular2/src/router/location/location';
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/**
* A spy for {@link Location} that allows tests to fire simulated location events.
*/
@Injectable()
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export class SpyLocation implements Location {
urlChanges: string[] = [];
/** @internal */
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_path: string = '';
/** @internal */
_query: string = '';
/** @internal */
_subject: EventEmitter<any> = new EventEmitter();
/** @internal */
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_baseHref: string = '';
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setInitialPath(url: string) { this._path = url; }
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setBaseHref(url: string) { this._baseHref = url; }
path(): string { return this._path; }
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simulateUrlPop(pathname: string) {
ObservableWrapper.callEmit(this._subject, {'url': pathname, 'pop': true});
}
simulateHashChange(pathname: string) {
// Because we don't prevent the native event, the browser will independently update the path
this.setInitialPath(pathname);
this.urlChanges.push('hash: ' + pathname);
ObservableWrapper.callEmit(this._subject, {'url': pathname, 'pop': true, 'type': 'hashchange'});
}
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prepareExternalUrl(url: string): string {
if (url.length > 0 && !url.startsWith('/')) {
url = '/' + url;
}
return this._baseHref + url;
}
go(path: string, query: string = '') {
path = this.prepareExternalUrl(path);
if (this._path == path && this._query == query) {
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return;
}
this._path = path;
this._query = query;
var url = path + (query.length > 0 ? ('?' + query) : '');
this.urlChanges.push(url);
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}
replaceState(path: string, query: string = '') {
path = this.prepareExternalUrl(path);
this._path = path;
this._query = query;
var url = path + (query.length > 0 ? ('?' + query) : '');
this.urlChanges.push('replace: ' + url);
}
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forward() {
// TODO
}
back() {
// TODO
}
subscribe(
onNext: (value: any) => void, onThrow: (error: any) => void = null,
onReturn: () => void = null): Object {
return ObservableWrapper.subscribe(this._subject, onNext, onThrow, onReturn);
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}
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// TODO: remove these once Location is an interface, and can be implemented cleanly
platformStrategy: any = null;
normalize(url: string): string { return null; }
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}