public void CustomerServiceViaDelegate_should_get_current_UTC_date()
{
// Given
var service = new CustomerServiceViaDelegate();
// When
var now = service.GetUtcNow();
// Then
Assert.That(now, Is.EqualTo(DateTime.UtcNow).Within(50).Milliseconds);
}
public void CustomerServiceViaDelegate_should_generate_unique_IDs()
{
// Given
var service = new CustomerServiceViaDelegate();
// When
var ids = Enumerable.Range(0, 100).Select(_ => service.NewId()).ToList();
// Then
Assert.That(ids, Is.Unique);
}
public void CustomerServiceViaDelegate_should_register_customer()
{
// Given
var id = Guid.NewGuid();
var now = DateTime.UtcNow;
var name = Guid.NewGuid().ToString();
var service = new CustomerServiceViaDelegate(newId: () => id, getUtcNow: () => now);
// When
var customer = service.RegisterCustomer(name);
// Then
Assert.That(customer.Id, Is.EqualTo(id));
Assert.That(customer.CreatedAt, Is.EqualTo(now));
Assert.That(customer.Name, Is.EqualTo(name));
}
