public void AddOrderItem_WhenContentIsNull_MustThrowException()
{
// Arrange
var subject = new OrderBuilder().Build();
// Act
TestDelegate action = () => subject.AddOrderItem(null, userId);
// Assert
Assert.That(action, Throws.ArgumentNullException
.With.Property("ParamName").EqualTo("content"));
}
public void AddOrderItem_WhenInvoked_MustAddOrderItemAddedEventWithOrderId()
{
// Arrange
var subject = new OrderBuilder().Build();
// Act
subject.AddOrderItem("x", userId);
// Assert
var @event = subject.GetUncommitedChanges().Last() as OrderItemAdded;
Assert.That(@event.OrderId, Is.EqualTo(subject.Id));
}
public void AddOrderItem_WhenInvoked_MustAddOrderItemWithUserId()
{
// Arrange
var subject = new OrderBuilder().Build();
// Act
subject.AddOrderItem("x", userId);
// Assert
var orderItem = subject.Items.Single();
Assert.That(orderItem.UserId, Is.EqualTo(userId));
}
public void AddOrderItem_WhenInvoked_MustAddOrderItemAddedEventWithContent()
{
// Arrange
var content = "my order line2";
var subject = new OrderBuilder().Build();
// Act
subject.AddOrderItem(content, userId);
// Assert
var @event = subject.GetUncommitedChanges().Last() as OrderItemAdded;
Assert.That(@event.Content, Is.EqualTo(content));
}
public void AddOrderItem_WhenInvoked_MustAddOrderItemWithContent()
{
// Arrange
var content = "my order line";
var subject = new OrderBuilder().Build();
// Act
subject.AddOrderItem(content, userId);
// Assert
var orderItem = subject.Items.Single();
Assert.That(orderItem.Content, Is.EqualTo(content));
}