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feat(test): export useful properties from componentFixture #5513

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feat(test): export useful properties from componentFixture #5513

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22 changes: 22 additions & 0 deletions modules/angular2/src/testing/test_component_builder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,29 @@ import {DebugElement, DebugElement_} from 'angular2/src/core/debug/debug_element
* Fixture for debugging and testing a component.
*/
export abstract class ComponentFixture {
/**
* 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;

/**
* Trigger a change detection cycle for the component.
*/
abstract detectChanges(): void;

/**
* Trigger component destruction.
*/
abstract destroy(): void;
}

Expand All @@ -43,6 +63,8 @@ export class ComponentFixture_ extends ComponentFixture {
constructor(componentRef: ComponentRef) {
super();
this.debugElement = new DebugElement_(internalView(<ViewRef>componentRef.hostView), 0);
this.componentInstance = this.debugElement.componentInstance;
this.nativeElement = this.debugElement.nativeElement;
this._componentParentView = internalView(<ViewRef>componentRef.hostView);
this._componentRef = componentRef;
}
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20 changes: 10 additions & 10 deletions modules/angular2/test/testing/test_component_builder_spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ export function main() {
tcb.createAsync(ChildComp).then((componentFixture) => {
componentFixture.detectChanges();

expect(componentFixture.debugElement.nativeElement).toHaveText('Original Child');
expect(componentFixture.nativeElement).toHaveText('Original Child');
async.done();
});
}));
Expand All @@ -109,11 +109,11 @@ export function main() {

tcb.createAsync(MyIfComp).then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement).toHaveText('MyIf()');
expect(componentFixture.nativeElement).toHaveText('MyIf()');

componentFixture.debugElement.componentInstance.showMore = true;
componentFixture.componentInstance.showMore = true;
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement).toHaveText('MyIf(More)');
expect(componentFixture.nativeElement).toHaveText('MyIf(More)');

async.done();
});
Expand All @@ -126,7 +126,7 @@ export function main() {
.createAsync(MockChildComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement).toHaveText('Mock');
expect(componentFixture.nativeElement).toHaveText('Mock');

async.done();
});
Expand All @@ -140,7 +140,7 @@ export function main() {
.createAsync(ChildComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement).toHaveText('Modified Child');
expect(componentFixture.nativeElement).toHaveText('Modified Child');

async.done();
});
Expand All @@ -153,7 +153,7 @@ export function main() {
.createAsync(ParentComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement).toHaveText('Parent(Mock)');
expect(componentFixture.nativeElement).toHaveText('Parent(Mock)');

async.done();
});
Expand All @@ -168,7 +168,7 @@ export function main() {
.createAsync(ParentComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement)
expect(componentFixture.nativeElement)
.toHaveText('Parent(Original Child(ChildChild Mock))');

async.done();
Expand All @@ -183,7 +183,7 @@ export function main() {
.createAsync(TestBindingsComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement)
expect(componentFixture.nativeElement)
.toHaveText('injected value: mocked out value');
async.done();
});
Expand All @@ -198,7 +198,7 @@ export function main() {
.createAsync(TestViewBindingsComp)
.then((componentFixture) => {
componentFixture.detectChanges();
expect(componentFixture.debugElement.nativeElement)
expect(componentFixture.nativeElement)
.toHaveText('injected value: mocked out value');
async.done();
});
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