Tauri-demo: listen to login attempt event specification

app.spec.ts

it('should evoke the login function from Auth on `login-attempt` event', () => {
    isLoggedIn = false;
    app.connectedCallback();
    const email = 'ff@gmail.com';
    const password = '123456';
    const loginComponent = app.shadowRoot?.querySelector('yag-login');
    const spy = vi.spyOn(authComponent, 'login');
    loginComponent!.dispatchEvent(new CustomEvent('login-attempt', {detail: {email, password}}));
    expect(spy).toHaveBeenCalledWith(email, password);
});

it('should remove `login-attempt` listener to the old loginComponent', () => {
    isLoggedIn = false;
    app.connectedCallback();
    const oldLoginComponent = app.shadowRoot?.querySelector('yag-login') as HTMLElement;  
    const removeEventListenerSpy = vi.spyOn(oldLoginComponent, 'removeEventListener'); 
    isLoggedIn = true;  
    authComponent.dispatchEvent(new CustomEvent('user-status-change'));
    expect(removeEventListenerSpy).toHaveBeenCalledWith('login-attempt', expect.any(Function));
    removeEventListenerSpy.mockRestore();
});