public void CustomerPictureModelBinder_Returns_CustomerPicture_With_Photo()
{
//Arrange
int customerId = 15;
string photoAsString = Convert.ToBase64String(new byte[] { 0x10, 0x10, 0x01 });
//Create a mock of the posted file.
SHttpPostedFileBase customerPhoto = new SHttpPostedFileBase();
customerPhoto.InputStreamGet = () => new MemoryStream(Convert.FromBase64String(photoAsString));
customerPhoto.ContentLengthGet = () => photoAsString.Length;
//Create the binder
IValueProvider provider = new SIValueProvider()
{
//Mock the contains prefix string to return true only for the Photo and the CustomerId
ContainsPrefixString = x => x.StartsWith("CustomerPicture.Photo") || x.StartsWith("CustomerPicture.CustomerId") || x.Equals("CustomerPicture"),
//Mock the values returned for Photo and CustomerId.
GetValueString = x =>
{
switch (x)
{
case "CustomerPicture.Photo":
return new ValueProviderResult(customerPhoto, photoAsString, null);
case "CustomerPicture.CustomerId":
return new ValueProviderResult(15, "15", null);
default:
return null;
}
}
};
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(null, typeof(CustomerPicture));
CustomerPictureModelBinder binder = new CustomerPictureModelBinder();
ControllerContext context = new ControllerContext();
ModelBindingContext bindingContext = new ModelBindingContext()
{
ModelName = "CustomerPicture",
ValueProvider = provider,
ModelMetadata = metadata
};
//Act
CustomerPicture result = binder.BindModel(context, bindingContext) as CustomerPicture;
//Assert
Assert.AreEqual(customerId, result.CustomerId);
Assert.IsNull(result.Customer);
}
public void CustomerPictureModelBinder_Returns_CustomerPicture_Without_Photo_When_There_Isnt_Photo()
{
//Arrange
int customerId = 15;
IValueProvider provider = new SIValueProvider()
{
ContainsPrefixString = x => x.StartsWith("CustomerPicture.CustomerId") || x.Equals("CustomerPicture"),
GetValueString = x =>
{
switch (x)
{
case "CustomerPicture.CustomerId":
return new ValueProviderResult(15, "15", null);
default:
return null;
}
}
};
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(null, typeof(CustomerPicture));
CustomerPictureModelBinder binder = new CustomerPictureModelBinder();
ControllerContext context = new ControllerContext();
ModelBindingContext bindingContext = new ModelBindingContext()
{
ModelName = "CustomerPicture",
ValueProvider = provider,
ModelMetadata = metadata
};
//Act
CustomerPicture result = binder.BindModel(context, bindingContext) as CustomerPicture;
//Assert
Assert.AreEqual(customerId, result.CustomerId);
Assert.IsNull(result.Customer);
Assert.IsNull(result.Photo);
}