public void GenericAddService_SetsOrder()
{
// Arrange
var collection = new FilterCollection();
// Act
var added = collection.AddService <MyFilter>(17);
// Assert
Assert.Equal(17, Assert.IsAssignableFrom <IOrderedFilter>(added).Order);
}
public void AddService_ThrowsOnNonIFilter()
{
// Arrange
var collection = new FilterCollection();
var expectedMessage = $"The type '{typeof(NonFilter).FullName}' must derive from '{typeof(IFilterMetadata).FullName}'.";
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => { collection.AddService(typeof(NonFilter)); },
"filterType",
expectedMessage);
}
public void AddService_UsesServiceFilterAttribute()
{
// Arrange
var collection = new FilterCollection();
// Act
var added = collection.AddService(typeof(MyFilter));
// Assert
var serviceFilter = Assert.IsType <ServiceFilterAttribute>(added);
Assert.Equal(typeof(MyFilter), serviceFilter.ServiceType);
Assert.Same(serviceFilter, Assert.Single(collection));
}
public void AddService_ThrowsOnNonIFilter()
{
// Arrange
var collection = new FilterCollection();
var expectedMessage =
$"The type '{typeof(NonFilter).FullName}' must derive from " +
$"'{typeof(IFilterMetadata).FullName}'." + Environment.NewLine +
"Parameter name: filterType";
// Act & Assert
var ex = Assert.Throws <ArgumentException>(() => { collection.AddService(typeof(NonFilter)); });
// Assert
Assert.Equal(expectedMessage, ex.Message);
}