public void GivenNonPendingOrder_WhenCancelled_ShouldFail()
{
// Arrange
var order = new SalesOrder();
order.Open(new SalesOrderId(1), new CustomerId(2), new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), (decimal)7.5);
order.Cancel();
// Act / Assert
Assert.Throws<InvalidOperationException>(order.Cancel);
}
public void GivenPendingOrder_WhenPlaced_ShouldSucceed()
{
// Arrange
var order = new SalesOrder();
// Act
order.Place();
// Assert
Assert.AreEqual(SalesOrderStatus.Pending, order.Status);
}
public void GivenOpenOrder_WhenAddingItemsThatExceedMaxOrderValue_ShouldFail()
{
// Arrange
var order = new SalesOrder();
order.Open(new SalesOrderId(1), new CustomerId(2), new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), (decimal)7.5);
// Act
order.AddItems(3, new ProductId(3), (decimal)2.5);
// Assert
Assert.Throws<InvalidOperationException>(() => order.AddItems(1, new ProductId(3), (decimal)2.5));
}
public void GivenOpenOrder_WhenAddingItems_ShouldSucceed()
{
// Arrange
var order = new SalesOrder();
order.Open(new SalesOrderId(1), new CustomerId(2), new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), (decimal)7.5);
// Act
order.AddItems(3, new ProductId(3), (decimal)2.5);
// Assert
Assert.AreEqual((decimal)7.5, order.TotalValue);
}
public void GivenOpenOrder_WhenCancelled_ShouldSucceed()
{
// Arrange
var order = new SalesOrder();
order.Open(new SalesOrderId(1), new CustomerId(2), new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), (decimal)7.5);
// Act
order.Cancel();
// Assert
Assert.AreEqual(SalesOrderStatus.Cancelled, order.Status);
}
public void GivenBrandNewObject_WhenInitialised_ShouldHaveCorrectValues()
{
// Arrange
var order = new SalesOrder();
// Act
order.Open(new SalesOrderId(1), new CustomerId(2), new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), (decimal)7.5);
// Assert
Assert.AreEqual(new SalesOrderId(1), order.Id);
Assert.AreEqual(new CustomerId(2), order.CustomerId);
Assert.AreEqual(SalesOrderStatus.Open, order.Status);
Assert.AreEqual(new Address("1 Arnold Lane", "Elsewhere", new PostalCode("EL12", "1YY")), order.Address);
}
