public static V1.ShoppingCartInitialized Downcast(
ShoppingCartInitialized newEvent
)
{
return(new V1.ShoppingCartInitialized(
newEvent.ShoppingCartId,
newEvent.Client.Id
));
}
public static ShoppingCartInitializedWithStatus UpcastV2(
ShoppingCartInitialized oldEvent
)
{
return(new ShoppingCartInitializedWithStatus(
oldEvent.ShoppingCartId,
oldEvent.Client,
ShoppingCartStatus.Initialized
));
}
public static ShoppingCartDetails Handle(ShoppingCartInitialized @event)
{
var(shoppingCartId, clientId) = @event;
return(new ShoppingCartDetails
{
Id = shoppingCartId,
ClientId = clientId,
Status = ShoppingCartStatus.Pending,
Version = 0
});
}
public void Should_BeBackwardCompatible()
{
// Given
var @event = new ShoppingCartInitialized(Guid.NewGuid(), Guid.NewGuid(), ShoppingCartStatus.Pending);
var json = JsonSerializer.Serialize(@event);
// When
var oldEvent = JsonSerializer.Deserialize <V1.ShoppingCartInitialized>(json);
oldEvent.Should().NotBeNull();
oldEvent !.ShoppingCartId.Should().Be(@event.ShoppingCartId);
oldEvent.ClientId.Should().Be(@event.ClientId);
}
public static ShoppingCartShortInfo Handle(ShoppingCartInitialized @event)
{
var(shoppingCartId, clientId) = @event;
return(new ShoppingCartShortInfo
{
Id = shoppingCartId,
ClientId = clientId,
TotalItemsCount = 0,
Status = ShoppingCartStatus.Pending,
Version = 0
});
}
public void UpcastObjects_Should_BeForwardCompatible()
{
// Given
var newEvent = new ShoppingCartInitialized(
Guid.NewGuid(),
new Client(Guid.NewGuid(), "Oskar the Grouch")
);
// When
var @event = Downcast(newEvent);
@event.Should().NotBeNull();
@event.ShoppingCartId.Should().Be(newEvent.ShoppingCartId);
@event.ClientId.Should().Be(newEvent.Client.Id);
}
