public void DollarMetadata_Works_WithMultipleReferentialConstraints_ForUntypedModel()
{
// Arrange
EdmModel model = new EdmModel();
EdmEntityType customer = new EdmEntityType("DefaultNamespace", "Customer");
customer.AddKeys(customer.AddStructuralProperty("CustomerId", EdmCoreModel.Instance.GetInt32(false)));
customer.AddStructuralProperty("Name", EdmCoreModel.Instance.GetString(false));
model.AddElement(customer);
EdmEntityType order = new EdmEntityType("DefaultNamespace", "Order");
order.AddKeys(order.AddStructuralProperty("OrderId", EdmCoreModel.Instance.GetInt32(false)));
EdmStructuralProperty orderCustomerId = order.AddStructuralProperty("CustomerForeignKey", EdmCoreModel.Instance.GetInt32(true));
model.AddElement(order);
customer.AddBidirectionalNavigation(
new EdmNavigationPropertyInfo
{
Name = "Orders",
Target = order,
TargetMultiplicity = EdmMultiplicity.Many
},
new EdmNavigationPropertyInfo
{
Name = "Customer",
TargetMultiplicity = EdmMultiplicity.ZeroOrOne,
DependentProperties = new[] { orderCustomerId },
});
const string expect =
" <ReferentialConstraint>\r\n" +
" <Principal Role=\"Customer\">\r\n" +
" <PropertyRef Name=\"CustomerId\" />\r\n" +
" </Principal>\r\n" +
" <Dependent Role=\"Orders\">\r\n" +
" <PropertyRef Name=\"CustomerForeignKey\" />\r\n" +
" </Dependent>\r\n" +
" </ReferentialConstraint>";
HttpServer server = new HttpServer();
server.Configuration.Routes.MapODataServiceRoute("odata", "odata", model);
HttpClient client = new HttpClient(server);
// Act
HttpResponseMessage response = client.GetAsync("http://localhost/odata/$metadata").Result;
// Assert
Assert.True(response.IsSuccessStatusCode);
Assert.Equal("application/xml", response.Content.Headers.ContentType.MediaType);
Assert.Contains(expect, response.Content.ReadAsStringAsync().Result);
}