public void WhenModelBinderProviderContextIsNull_ItShouldThrowArgumentNullException()
{
// Arrange
var modelBinderProvider = new IdentifierModelBinderProvider <int>();
// Act
IModelBinder Act() => modelBinderProvider.GetBinder(null);
// Assert
Assert.Throws <ArgumentNullException>(Act);
}
public void WhenModelTypeIsOfTypeUnknown_ItShouldReturnNull()
{
// Arrange
var modelBinderProvider = new IdentifierModelBinderProvider <int>();
var modelBinderProviderContext = new Mock <ModelBinderProviderContext>();
// modelBinderProviderContext.Metadata.ModelType
var compositeMetadataDetailsProvider = new Mock <ICompositeMetadataDetailsProvider>();
var data = new DefaultModelMetadataProvider(compositeMetadataDetailsProvider.Object);
var modelMetadata = data.GetMetadataForType(typeof(DateTime));
modelBinderProviderContext.Setup(x => x.Metadata)
.Returns(modelMetadata);
// Act
var modelBinder = modelBinderProvider.GetBinder(modelBinderProviderContext.Object);
// Assert
Assert.Null(modelBinder);
}