public void Given_employee_already_exists_Then_should_get_correct_exception()
{
//Given
//Given
var employee = new Employee();
var contactDetails = new EmployeeContactDetail();
employee.AddContactDetails(contactDetails);
//When
//Then
Assert.Throws<ContactDetailsAlreadyAttachedToEmployeeException>(() => employee.AddContactDetails(contactDetails));
}
public void Given_employee_When_add_contact_details_Then_should_attach_as_appropiate()
{
//Given
var employee = new Employee();
var contactDetails = new EmployeeContactDetail();
//When
employee.AddContactDetails(contactDetails);
//Then
Assert.That(employee.ContactDetails.Count, Is.EqualTo(1));
}