How can you handle form validation testing in

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();

});

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