angular-docs-cn/modules/@angular/core/test/spies.ts

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TypeScript

import {ElementRef} from '@angular/core';
import {ChangeDetectorRef} from '@angular/core/src/change_detection/change_detection';
import {SpyObject} from '@angular/core/testing/testing_internal';
import {DomAdapter} from '@angular/platform-browser/src/dom/dom_adapter';
export class SpyChangeDetectorRef extends SpyObject {
constructor() {
super(ChangeDetectorRef);
this.spy('detectChanges');
this.spy('checkNoChanges');
}
}
export class SpyIterableDifferFactory extends SpyObject {}
export class SpyElementRef extends SpyObject {
constructor() { super(ElementRef); }
}
export class SpyDomAdapter extends SpyObject {
constructor() { super(DomAdapter); }
}