public void HasFeedFunctionLink_ThrowsException_OnNonBindableFunctions()
{
// Arrange
ODataModelBuilder builder = new ODataModelBuilder();
FunctionConfiguration function = builder.Function("NoBindableFunction");
// Act & Assert
Assert.Throws <InvalidOperationException>(
() => function.HasFeedFunctionLink(ctx => new Uri("http://any"), followsConventions: false),
"To register a function link factory, functions must be bindable to the collection of entity. " +
"Function 'NoBindableFunction' does not meet this requirement.");
}
public void CanManuallyConfigureFeedFunctionLinkFactory()
{
// Arrange
Uri expectedUri = new Uri("http://localhost/service/Customers/Reward");
ODataModelBuilder builder = new ODataModelBuilder();
EntityTypeConfiguration <Customer> customer = builder.EntitySet <Customer>("Customers").EntityType;
customer.HasKey(c => c.CustomerId);
customer.Property(c => c.Name);
FunctionConfiguration reward = customer.Collection.Function("Reward").Returns <int>();
reward.HasFeedFunctionLink(ctx => expectedUri, followsConventions: false);
IEdmModel model = builder.GetEdmModel();
// Act
IEdmFunction rewardFuntion = Assert.Single(model.SchemaElements.OfType <IEdmFunction>()); // Guard
FunctionLinkBuilder functionLinkBuilder = model.GetAnnotationValue <FunctionLinkBuilder>(rewardFuntion);
FeedContext context = new FeedContext();
//Assert
Assert.Equal(expectedUri, reward.GetFeedFunctionLink()(context));
Assert.NotNull(functionLinkBuilder);
Assert.Equal(expectedUri, functionLinkBuilder.BuildFunctionLink(context));
}