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feat(nav-tabs): add mat-tab-label-active class to active nav tab labels #7508

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Merged
merged 1 commit into from
Oct 5, 2017
Merged

feat(nav-tabs): add mat-tab-label-active class to active nav tab labels #7508

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18 changes: 18 additions & 0 deletions src/lib/tabs/tab-nav-bar/tab-nav-bar.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,24 @@ describe('MatTabNavBar', () => {
expect(fixture.componentInstance.activeIndex).toBe(2);
});

it('should add the active class if active', () => {
let tabLink1 = fixture.debugElement.queryAll(By.css('a'))[0];
let tabLink2 = fixture.debugElement.queryAll(By.css('a'))[1];
const tabLinkElements = fixture.debugElement.queryAll(By.css('a'))
.map(tabLinkDebugEl => tabLinkDebugEl.nativeElement);

tabLink1.nativeElement.click();
fixture.detectChanges();
expect(tabLinkElements[0].classList.contains('mat-tab-label-active')).toBeTruthy();
expect(tabLinkElements[1].classList.contains('mat-tab-label-active')).toBeFalsy();

tabLink2.nativeElement.click();
fixture.detectChanges();
expect(tabLinkElements[0].classList.contains('mat-tab-label-active')).toBeFalsy();
expect(tabLinkElements[1].classList.contains('mat-tab-label-active')).toBeTruthy();

});

it('should add the disabled class if disabled', () => {
const tabLinkElements = fixture.debugElement.queryAll(By.css('a'))
.map(tabLinkDebugEl => tabLinkDebugEl.nativeElement);
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3 changes: 2 additions & 1 deletion src/lib/tabs/tab-nav-bar/tab-nav-bar.ts
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Expand Up @@ -186,7 +186,8 @@ export const _MatTabLinkMixinBase = mixinDisabled(MatTabLinkBase);
'class': 'mat-tab-link',
'[attr.aria-disabled]': 'disabled.toString()',
'[attr.tabindex]': 'tabIndex',
'[class.mat-tab-disabled]': 'disabled'
'[class.mat-tab-disabled]': 'disabled',
'[class.mat-tab-label-active]': 'active',
}
})
export class MatTabLink extends _MatTabLinkMixinBase implements OnDestroy, CanDisable {
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