private OrderDetail CreateOrderDetail(EntityManager em, Order order, Product product) {
var od = new OrderDetail();
var orderID = order.OrderID;
var productID = product.ProductID;
od.ProductID = productID;
od.OrderID = orderID;
od.Quantity = 1;
od.UnitPrice = 3.14m;
em.AddEntity(od);
return od;
}
public async Task UnattachedChildrenMultipartkey() {
await _emTask;
if (TestFns.DEBUG_MONGO) {
Assert.Inconclusive("NA for Mongo - OrderDetail");
return;
}
var order = new Order();
order.OrderID = 999;
for (int i = 0; i < 3; i++) {
var od = new OrderDetail();
od.ProductID = i;
od.OrderID = order.OrderID;
_em1.AttachEntity(od);
}
_em1.AttachEntity(order);
Assert.IsTrue(order.EntityAspect.EntityState.IsUnchanged(), "order should be unchanged");
Assert.IsTrue(order.OrderDetails.All(od => od.EntityAspect.EntityState.IsUnchanged()), "ods should all be unchanged");
Assert.IsTrue(order.OrderDetails.Count == 3, "should be 3 ods");
Assert.IsTrue(order.OrderDetails.All(od => od.Order == order), "should all point to order");
Assert.IsTrue(order.OrderDetails.All(od => od.OrderID == order.OrderID), "should all have correct orderId");
}
public async Task UnidirectionalAttachFk() {
await _emTask;
if (TestFns.DEBUG_MONGO) {
Assert.Inconclusive("NA for Mongo - Order/OrderDetail");
return;
}
var od1 = new OrderDetail();
var prod1 = new Product();
od1.ProductID = -99;
_em1.AttachEntity(od1);
_em1.AttachEntity(prod1);
Assert.IsTrue(od1.Product == null, "Product should be null");
prod1.ProductID = 2;
od1.ProductID = 2;
Assert.IsTrue(od1.Product == prod1, "should now point to product");
var od2 = new OrderDetail();
var prod2 = new Product();
od2.ProductID = -88;
_em1.AttachEntity(od2);
_em1.AttachEntity(prod2);
Assert.IsTrue(od2.Product == null, "Product should be null - again");
// same as above but different order
od2.ProductID = 3;
// should now have an unresolved parent.
prod2.ProductID = 3;
Assert.IsTrue(od2.Product == prod2, "should now point to product - again");
}
public async Task AddEntityNoOrPartialKey() {
await _emTask;
if (TestFns.DEBUG_MONGO) {
Assert.Inconclusive("NA for Mongo - OrderDetail");
return;
}
var od = new OrderDetail();
try {
_em1.AttachEntity(od, EntityState.Added);
Assert.Fail("should not get here");
} catch (Exception e) {
Assert.IsTrue(e.Message.Contains("key"), "error message should contain 'key'");
}
// only need to set part of the key
od.OrderID = 999;
_em1.AttachEntity(od, EntityState.Added);
Assert.IsTrue(od.EntityAspect.EntityState.IsAdded());
try {
var od2 =_em1.CreateEntity<OrderDetail>(EntityState.Added);
Assert.Fail("should not get here");
} catch (Exception e) {
Assert.IsTrue(e.Message.Contains("key"), "error message should contain 'key'");
}
}
public async Task GraphAttachMultipartKey() {
var em1 = await TestFns.NewEm(_serviceName);
if (TestFns.DEBUG_MONGO) {
Assert.Inconclusive("NA for Mongo - OrderDetail");
return;
}
var order = new Order();
order.OrderID = 999;
for (int i = 0; i < 3; i++) {
var od = new OrderDetail();
od.ProductID = i;
order.OrderDetails.Add(od);
}
em1.AttachEntity(order);
Assert.IsTrue(order.EntityAspect.EntityState.IsUnchanged(), "order should be unchanged");
Assert.IsTrue(order.OrderDetails.All(od => od.EntityAspect.EntityState.IsUnchanged()), "ods should all be unchanged");
Assert.IsTrue(order.OrderDetails.Count == 3, "should be 3 ods");
Assert.IsTrue(order.OrderDetails.All(od => od.Order == order), "should all point to order");
Assert.IsTrue(order.OrderDetails.All(od => od.OrderID == 999), "should all have correct orderId");
}