ComponentFixture
Fixture for debugging and testing a component.
class ComponentFixture<T> {
constructor(componentRef: ComponentRef<T>, ngZone: NgZone | null, _autoDetect: boolean)
debugElement: DebugElement
componentInstance: T
nativeElement: any
elementRef: ElementRef
changeDetectorRef: ChangeDetectorRef
componentRef: ComponentRef<T>
ngZone: NgZone | null
detectChanges(checkNoChanges: boolean = true): void
checkNoChanges(): void
autoDetectChanges(autoDetect: boolean = true)
isStable(): boolean
whenStable(): Promise<any>
whenRenderingDone(): Promise<any>
destroy(): void
}
Constructor
Parameters
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Properties
| Property | Description |
|---|---|
debugElement: DebugElement
|
The DebugElement associated with the root element of this component. |
componentInstance: T
|
The instance of the root component class. |
nativeElement: any
|
The native element at the root of the component. |
elementRef: ElementRef
|
The ElementRef for the element at the root of the component. |
changeDetectorRef: ChangeDetectorRef
|
The ChangeDetectorRef for the component |
componentRef: ComponentRef<T>
|
Declared in constructor. |
ngZone: NgZone | null
|
Declared in constructor. |
Methods
|
Trigger a change detection cycle for the component. |
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Parameters
Returns
|
|
Do a change detection run to make sure there were no changes. |
ParametersThere are no parameters. Returns
|
|
Return whether the fixture is currently stable or has async tasks that have not been completed yet. |
ParametersThere are no parameters. Returns
|
|
Get a promise that resolves when the fixture is stable. |
ParametersThere are no parameters. Returns
|
|
This can be used to resume testing after events have triggered asynchronous activity or asynchronous change detection. |
|
Get a promise that resolves when the ui state is stable following animations. |
ParametersThere are no parameters. Returns
|
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Trigger component destruction. |
ParametersThere are no parameters. Returns
|