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projects/ngx-scrollbar-demo/src/app/example2/example2.component.scss
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| import { ComponentFixture, ComponentFixtureAutoDetect, TestBed } from '@angular/core/testing'; | ||
| import { By } from '@angular/platform-browser'; | ||
| import { firstValueFrom } from 'rxjs'; | ||
| import { NgScrollbar } from 'ngx-scrollbar'; | ||
| import { setDimensions } from './common-test.'; | ||
|
|
||
| describe('Hover effect', () => { | ||
| let component: NgScrollbar; | ||
| let fixture: ComponentFixture<NgScrollbar>; | ||
|
|
||
| beforeEach(async () => { | ||
| await TestBed.configureTestingModule({ | ||
| imports: [NgScrollbar], | ||
| providers: [ | ||
| { provide: ComponentFixtureAutoDetect, useValue: true } | ||
| ] | ||
| }).compileComponents(); | ||
|
|
||
| fixture = TestBed.createComponent(NgScrollbar); | ||
| component = fixture.componentInstance; | ||
| component.nativeElement.style.setProperty('--scrollbar-thickness', '5'); | ||
| component.nativeElement.style.setProperty('--scrollbar-hover-thickness', '10'); | ||
| component.nativeElement.style.setProperty('--scrollbar-offset', '4'); | ||
| }); | ||
|
|
||
| it('Should activate hover effect only when mouse is over the scrollbar in case [hoverOffset]="false"', async () => { | ||
| setDimensions(component, { cmpHeight: 200, cmpWidth: 200, contentHeight: 400, contentWidth: 400 }); | ||
| fixture.componentRef.setInput('hoverOffset', false); | ||
| component.ngOnInit(); | ||
| component.ngAfterViewInit(); | ||
| await firstValueFrom(component.afterInit); | ||
|
|
||
| const stickyYElement: Element = fixture.debugElement.query(By.css('scrollbar-y .ng-scrollbar-sticky')).nativeElement; | ||
| const stickyXElement: Element = fixture.debugElement.query(By.css('scrollbar-x .ng-scrollbar-sticky')).nativeElement; | ||
|
|
||
| const trackYElement: Element = fixture.debugElement.query(By.css('scrollbar-y .ng-scrollbar-track-wrapper')).nativeElement; | ||
| const trackXElement: Element = fixture.debugElement.query(By.css('scrollbar-x .ng-scrollbar-track-wrapper')).nativeElement; | ||
|
|
||
| expect(stickyYElement.classList).not.toContain('ng-scrollbar-hover'); | ||
| expect(stickyXElement.classList).not.toContain('ng-scrollbar-hover'); | ||
| expect(trackYElement.classList).toContain('ng-scrollbar-hover'); | ||
| expect(trackXElement.classList).toContain('ng-scrollbar-hover'); | ||
| }); | ||
|
|
||
| it('Should activate hover effect when mouse is over the offset area in case [hoverOffset]="true"', async () => { | ||
| setDimensions(component, { cmpHeight: 200, cmpWidth: 200, contentHeight: 400, contentWidth: 400 }); | ||
| fixture.componentRef.setInput('hoverOffset', true); | ||
| component.ngOnInit(); | ||
| component.ngAfterViewInit(); | ||
| await firstValueFrom(component.afterInit); | ||
|
|
||
| const stickyYElement: Element = fixture.debugElement.query(By.css('scrollbar-y .ng-scrollbar-sticky')).nativeElement; | ||
| const stickyXElement: Element = fixture.debugElement.query(By.css('scrollbar-x .ng-scrollbar-sticky')).nativeElement; | ||
|
|
||
| const trackYElement: Element = fixture.debugElement.query(By.css('scrollbar-y .ng-scrollbar-track-wrapper')).nativeElement; | ||
| const trackXElement: Element = fixture.debugElement.query(By.css('scrollbar-x .ng-scrollbar-track-wrapper')).nativeElement; | ||
|
|
||
| expect(stickyYElement.classList).toContain('ng-scrollbar-hover'); | ||
| expect(stickyXElement.classList).toContain('ng-scrollbar-hover'); | ||
| expect(trackYElement.classList).not.toContain('ng-scrollbar-hover'); | ||
| expect(trackXElement.classList).not.toContain('ng-scrollbar-hover'); | ||
| }); | ||
| }); | ||
|
|
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