ionic 4 unit testing example for modalcontroller
it('should display the Add photo modal when the button is clicked and logged in', () => {
let pub = {
phone: '123123'
}
component.pub = pub;
let authService = fixture.debugElement.injector.get(AuthService);
authService.loginWithEmail();
fixture.detectChanges();
expect(authService.authenticated).toBe(true);
let modal = fixture.debugElement.injector.get(Modal);
spyOn(modal, 'present');
debugElementArray = helper.getAllByCss(fixture, 'ion-col button');
debugElementArray[0].triggerEventHandler('click', null);
expect(modal.present).toHaveBeenCalled();
});