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Input text area: fix unit test and expand on testing suite #15604

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merged 2 commits into from
May 30, 2024
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Input text area: fix unit test and expand on testing suite #15604

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25915e7
fix broken unit test and add new test
RogueTea May 17, 2024
7ee46df
format
RogueTea May 17, 2024
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29 changes: 27 additions & 2 deletions src/app/components/inputtextarea/inputtextarea.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -38,12 +38,37 @@ describe('InputTextarea', () => {

const onResizeSpy = spyOn(component, 'onResize').and.callThrough();
const inputTextEl = fixture.debugElement.query(By.css('textarea'));
inputTextEl.nativeElement.dispatchEvent(new Event('focus'));
inputTextEl.nativeElement.value = 'primeng';
inputTextEl.nativeElement.dispatchEvent(new Event('input'));
fixture.detectChanges();

inputTextEl.nativeElement.value = 'primeng rocks!';
inputTextEl.nativeElement.dispatchEvent(new Event('input'));
fixture.detectChanges();

expect(onResizeSpy).toHaveBeenCalledTimes(2);
});

it('should change autoResize and resize scrollheight of textarea', () => {
component.autoResize = true;
fixture.detectChanges();

inputTextEl.nativeElement.dispatchEvent(new Event('blur'));
const onResizeSpy = spyOn(component, 'onResize').and.callThrough();
const inputTextEl = fixture.debugElement.query(By.css('textarea'));
const initialScrollHeight = inputTextEl.nativeElement.scrollHeight;

inputTextEl.nativeElement.value = 'primeng';
inputTextEl.nativeElement.dispatchEvent(new Event('input'));
fixture.detectChanges();

expect(inputTextEl.nativeElement.scrollHeight).toBeGreaterThan(initialScrollHeight);
const newScrollHeight = inputTextEl.nativeElement.scrollHeight;

inputTextEl.nativeElement.value = 'primeng rocks!';
inputTextEl.nativeElement.dispatchEvent(new Event('input'));
fixture.detectChanges();

expect(inputTextEl.nativeElement.scrollHeight).toBeGreaterThan(newScrollHeight);
expect(onResizeSpy).toHaveBeenCalledTimes(2);
});

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