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fix(core/testing): move ComponentFixture to core (#9386)

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BREAKING CHANGE:

`ComponentFixture` will be moving out of `@angular/compiler/testing` to `@angular/core/testing` in
this release. For now, it is deprecated from `@angular/compiler/testing`.
This commit is contained in:
Julie Ralph
2016-06-24 12:41:49 -07:00
committed by GitHub
parent 97a2119596
commit 1143b0389a
28 changed files with 256 additions and 226 deletions
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181
modules/@angular/compiler/testing/test_component_builder.ts
View File

@ -7,7 +7,7 @@
*/
import {AnimationEntryMetadata, ChangeDetectorRef, ComponentFactory, ComponentRef, ComponentResolver, DebugElement, ElementRef, Injectable, Injector, NgZone, NgZoneError, OpaqueToken, ViewMetadata, getDebugNode} from '@angular/core';
import {tick} from '@angular/core/testing';
import {ComponentFixture, tick} from '@angular/core/testing';
import {DirectiveResolver, ViewResolver} from '../index';
import {ObservableWrapper, PromiseCompleter, PromiseWrapper} from '../src/facade/async';
@ -15,6 +15,11 @@ import {ListWrapper, MapWrapper} from '../src/facade/collection';
import {BaseException} from '../src/facade/exceptions';
import {IS_DART, Type, isBlank, isPresent, scheduleMicroTask} from '../src/facade/lang';
/**
* @deprecated
* Import ComponentFixture from @angular/core/testing instead.
*/
export {ComponentFixture} from '@angular/core/testing';
/**
* An abstract class for inserting the root test component element in a platform independent way.
*/
@ -25,180 +30,6 @@ export class TestComponentRenderer {
export var ComponentFixtureAutoDetect = new OpaqueToken('ComponentFixtureAutoDetect');
export var ComponentFixtureNoNgZone = new OpaqueToken('ComponentFixtureNoNgZone');
/**
* Fixture for debugging and testing a component.
*/
export class ComponentFixture<T> {
/**
* The DebugElement associated with the root element of this component.
*/
debugElement: DebugElement;
/**
* The instance of the root component class.
*/
componentInstance: any;
/**
* The native element at the root of the component.
*/
nativeElement: any;
/**
* The ElementRef for the element at the root of the component.
*/
elementRef: ElementRef;
/**
* The ComponentRef for the component
*/
componentRef: ComponentRef<T>;
/**
* The ChangeDetectorRef for the component
*/
changeDetectorRef: ChangeDetectorRef;
/**
* The NgZone in which this component was instantiated.
*/
ngZone: NgZone;
private _autoDetect: boolean;
private _isStable: boolean = true;
private _completer: PromiseCompleter<any> = null;
private _onUnstableSubscription: any /** TODO #9100 */ = null;
private _onStableSubscription: any /** TODO #9100 */ = null;
private _onMicrotaskEmptySubscription: any /** TODO #9100 */ = null;
private _onErrorSubscription: any /** TODO #9100 */ = null;
constructor(componentRef: ComponentRef<T>, ngZone: NgZone, autoDetect: boolean) {
this.changeDetectorRef = componentRef.changeDetectorRef;
this.elementRef = componentRef.location;
this.debugElement = <DebugElement>getDebugNode(this.elementRef.nativeElement);
this.componentInstance = componentRef.instance;
this.nativeElement = this.elementRef.nativeElement;
this.componentRef = componentRef;
this.ngZone = ngZone;
this._autoDetect = autoDetect;
if (ngZone != null) {
this._onUnstableSubscription =
ObservableWrapper.subscribe(ngZone.onUnstable, (_) => { this._isStable = false; });
this._onMicrotaskEmptySubscription =
ObservableWrapper.subscribe(ngZone.onMicrotaskEmpty, (_) => {
if (this._autoDetect) {
// Do a change detection run with checkNoChanges set to true to check
// there are no changes on the second run.
this.detectChanges(true);
}
});
this._onStableSubscription = ObservableWrapper.subscribe(ngZone.onStable, (_) => {
this._isStable = true;
// Check whether there are no pending macrotasks in a microtask so that ngZone gets a chance
// to update the state of pending macrotasks.
scheduleMicroTask(() => {
if (!this.ngZone.hasPendingMacrotasks) {
if (this._completer != null) {
this._completer.resolve(true);
this._completer = null;
}
}
});
});
this._onErrorSubscription = ObservableWrapper.subscribe(
ngZone.onError, (error: NgZoneError) => { throw error.error; });
}
}
private _tick(checkNoChanges: boolean) {
this.changeDetectorRef.detectChanges();
if (checkNoChanges) {
this.checkNoChanges();
}
}
/**
* Trigger a change detection cycle for the component.
*/
detectChanges(checkNoChanges: boolean = true): void {
if (this.ngZone != null) {
// Run the change detection inside the NgZone so that any async tasks as part of the change
// detection are captured by the zone and can be waited for in isStable.
this.ngZone.run(() => { this._tick(checkNoChanges); });
} else {
// Running without zone. Just do the change detection.
this._tick(checkNoChanges);
}
}
/**
* Do a change detection run to make sure there were no changes.
*/
checkNoChanges(): void { this.changeDetectorRef.checkNoChanges(); }
/**
* Set whether the fixture should autodetect changes.
*
* Also runs detectChanges once so that any existing change is detected.
*/
autoDetectChanges(autoDetect: boolean = true) {
if (this.ngZone == null) {
throw new BaseException('Cannot call autoDetectChanges when ComponentFixtureNoNgZone is set');
}
this._autoDetect = autoDetect;
this.detectChanges();
}
/**
* Return whether the fixture is currently stable or has async tasks that have not been completed
* yet.
*/
isStable(): boolean { return this._isStable && !this.ngZone.hasPendingMacrotasks; }
/**
* Get a promise that resolves when the fixture is stable.
*
* This can be used to resume testing after events have triggered asynchronous activity or
* asynchronous change detection.
*/
whenStable(): Promise<any> {
if (this.isStable()) {
return PromiseWrapper.resolve(false);
} else if (this._completer !== null) {
return this._completer.promise;
} else {
this._completer = new PromiseCompleter<any>();
return this._completer.promise;
}
}
/**
* Trigger component destruction.
*/
destroy(): void {
this.componentRef.destroy();
if (this._onUnstableSubscription != null) {
ObservableWrapper.dispose(this._onUnstableSubscription);
this._onUnstableSubscription = null;
}
if (this._onStableSubscription != null) {
ObservableWrapper.dispose(this._onStableSubscription);
this._onStableSubscription = null;
}
if (this._onMicrotaskEmptySubscription != null) {
ObservableWrapper.dispose(this._onMicrotaskEmptySubscription);
this._onMicrotaskEmptySubscription = null;
}
if (this._onErrorSubscription != null) {
ObservableWrapper.dispose(this._onErrorSubscription);
this._onErrorSubscription = null;
}
}
}
var _nextRootElementId = 0;
/**