How can you handle form validation testing in

Short answer: ngular? Test form validity by setting control values and checking validity state. it('should mark form invalid when empty', () => { component.form.controls['email'].setValue(''); expect(component.form.valid).toBeFalse(); }); it('should mark form valid with correct email', () => {… component.form.controls['email'].setValue('test@example.com');…… expect(component.form.valid).toBeTrue(); }); dvanced Angular Topics…

Explain a bit more

ngular? ngular? Test form validity by setting control values and checking validity state.

Example code

it('should mark form invalid when empty', () => { component.form.controls['email'].setValue(''); expect(component.form.valid).toBeFalse(); }); it('should mark form valid with correct email', () => {… component.form.controls['email'].setValue('test@example.com');… expect(component.form.valid).toBeTrue(); }); dvanced Angular Topics ngular? ngular? Test form validity by setting control values and checking validity state. Example: it('should mark form invalid when empty', () => { component.form.controls['email'].setValue(''); expect(component.form.valid).toBeFalse(); }); it('should mark form valid with correct email', () => { component.form.controls['email'].setValue('test@example.com');… expect(component.form.valid).toBeTrue(); }); dvanced Angular Topics ngular? Test form validity by setting control values and checking validity state. Example: it('should mark form invalid when empty', () => { component.form.controls['email'].setValue(''); expect(component.form.valid).toBeFalse(); }); it('should mark form valid with correct email', () => { component.form.controls['email'].setValue('test@example.com'); expect(component.form.valid).toBeTrue(); }); dvanced Angular Topics

Real-world example (ShopNest)

ShopNest admin can be built in Angular with modules/components, services for API calls, and reactive forms for product edit.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.