describe('signup form', () => {
  // [...]
  test('should display the usernameError next to username input if usernameError is passed in prop', () => {
    const wrapper = shallow(
      <SignupForm
        passwordConfirmation=""
        username=""
        email=""
        password=""
        submit={jest.fn()}
        usernameError="some error"
      />,
    );
    const usernameError = wrapper.find('input[name="username"] + p');
    expect(usernameError.length).toEqual(1);
    expect(usernameError.text()).toBe('some error');
  });
  test('should display the emailError next to email input if emailError is passed in prop', () => {
    const wrapper = shallow(
      <SignupForm
        passwordConfirmation=""
        username=""
        email=""
        password=""
        submit={jest.fn()}
        emailError="some error"
      />,
    );
    const emailError = wrapper.find('input[name="email"] + p');
    expect(emailError.length).toEqual(1);
    expect(emailError.text()).toBe('some error');
  });
  test('should display the passwordError next to password input if passwordError is passed in prop', () => {
    const wrapper = shallow(
      <SignupForm
        passwordConfirmation=""
        username=""
        email=""
        password=""
        submit={jest.fn()}
        passwordError="some error"
      />,
    );
    const passwordError = wrapper.find('input[name="password"] + p');
    expect(passwordError.length).toEqual(1);
    expect(passwordError.text()).toBe('some error');
  });
  test('should display the passwordConfirmationError next to passwordConfirmation input if passwordConfirmationError is passed in prop', () => {
    const wrapper = shallow(
      <SignupForm
        passwordConfirmation=""
        username=""
        email=""
        password=""
        submit={jest.fn()}
        passwordConfirmationError="some error"
      />,
    );
    const passwordConfirmationError = wrapper.find('input[name="passwordConfirmation"] + p');
    expect(passwordConfirmationError.length).toEqual(1);
    expect(passwordConfirmationError.text()).toBe('some error');
  });
});