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77
projects/ngx-scrollbar/src/lib/tests/disable-interactions.spec.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| import { NgScrollbar } from 'ngx-scrollbar'; | ||
| import { ComponentFixture, ComponentFixtureAutoDetect, TestBed } from '@angular/core/testing'; | ||
| import { firstValueFrom } from 'rxjs'; | ||
| import { setDimensions } from './common-test.'; | ||
|
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| describe('disableInteraction option', () => { | ||
| let component: NgScrollbar; | ||
| let fixture: ComponentFixture<NgScrollbar>; | ||
|
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| let interactionSubscriptionXSpy: jasmine.Spy; | ||
| let interactionSubscriptionYSpy: jasmine.Spy; | ||
|
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| beforeEach(async () => { | ||
| await TestBed.configureTestingModule({ | ||
| imports: [NgScrollbar], | ||
| providers: [ | ||
| { provide: ComponentFixtureAutoDetect, useValue: true } | ||
| ] | ||
| }).compileComponents(); | ||
|
|
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| fixture = TestBed.createComponent(NgScrollbar); | ||
| component = fixture.componentInstance; | ||
| fixture.detectChanges(); | ||
| }); | ||
|
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| function interactionEnabledCases(): void { | ||
| expect(component.disableInteraction()).toBeFalse(); | ||
| expect(component.nativeElement.getAttribute('disableInteraction')).toBe('false'); | ||
|
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| expect(component._scrollbars.x._pointerEventsSub.closed).toBeFalse(); | ||
| expect(component._scrollbars.y._pointerEventsSub.closed).toBeFalse(); | ||
|
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| const componentStyles: CSSStyleDeclaration = getComputedStyle(component.nativeElement); | ||
| const trackXStyles: CSSStyleDeclaration = getComputedStyle(component._scrollbars.x.track.nativeElement); | ||
| const trackYStyles: CSSStyleDeclaration = getComputedStyle(component._scrollbars.y.track.nativeElement); | ||
| expect(componentStyles.getPropertyValue('--_scrollbar-pointer-events')).toBe('auto'); | ||
| expect(trackXStyles.pointerEvents).toBe('auto'); | ||
| expect(trackYStyles.pointerEvents).toBe('auto'); | ||
| } | ||
|
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| function interactionDisabledCases(): void { | ||
| expect(component.disableInteraction()).toBeTrue(); | ||
| expect(component.nativeElement.getAttribute('disableInteraction')).toBe('true'); | ||
|
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| expect(interactionSubscriptionXSpy).toHaveBeenCalled(); | ||
| expect(interactionSubscriptionYSpy).toHaveBeenCalled(); | ||
|
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| const componentStyles: CSSStyleDeclaration = getComputedStyle(component.nativeElement); | ||
| const trackXStyles: CSSStyleDeclaration = getComputedStyle(component._scrollbars.x.track.nativeElement); | ||
| const trackYStyles: CSSStyleDeclaration = getComputedStyle(component._scrollbars.y.track.nativeElement); | ||
| expect(componentStyles.getPropertyValue('--_scrollbar-pointer-events')).toBe('none'); | ||
| expect(trackXStyles.pointerEvents).toBe('none'); | ||
| expect(trackYStyles.pointerEvents).toBe('none'); | ||
| } | ||
|
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| it('should disable interactions for track and thumb', async () => { | ||
| setDimensions(component, { cmpHeight: 100, cmpWidth: 100, contentHeight: 300, contentWidth: 300 }); | ||
| component.ngOnInit(); | ||
| component.ngAfterViewInit(); | ||
| await firstValueFrom(component.afterInit); | ||
|
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| interactionSubscriptionXSpy = spyOn(component._scrollbars.x._pointerEventsSub, 'unsubscribe'); | ||
| interactionSubscriptionYSpy = spyOn(component._scrollbars.y._pointerEventsSub, 'unsubscribe'); | ||
|
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| interactionEnabledCases(); | ||
|
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| fixture.componentRef.setInput('disableInteraction', true); | ||
| fixture.detectChanges(); | ||
|
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| interactionDisabledCases(); | ||
|
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| fixture.componentRef.setInput('disableInteraction', false); | ||
| fixture.detectChanges(); | ||
|
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| interactionEnabledCases(); | ||
| }); | ||
| }); |
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