private static async Task AddValueProviderAsync(ValueProviderFactoryContext context, HttpRequest request)
{
IFormCollection form;
try
{
form = await request.ReadFormAsync();
}
catch (InvalidDataException ex)
{
// ReadFormAsync can throw InvalidDataException if the form content is malformed.
// Wrap it in a ValueProviderException that the CompositeValueProvider special cases.
throw new ValueProviderException(Resources.FormatFailedToReadRequestForm(ex.Message), ex);
}
catch (IOException ex)
{
// ReadFormAsync can throw IOException if the client disconnects.
// Wrap it in a ValueProviderException that the CompositeValueProvider special cases.
throw new ValueProviderException(Resources.FormatFailedToReadRequestForm(ex.Message), ex);
}
if (form.Files.Count > 0)
{
var valueProvider = new FormFileValueProvider(form.Files);
context.ValueProviders.Add(valueProvider);
}
}
public void GetValue_ReturnsNoneResult()
{
// Arrange
var httpContext = new DefaultHttpContext();
httpContext.Request.ContentType = "multipart/form-data";
var formFiles = new FormFileCollection();
formFiles.Add(new FormFile(Stream.Null, 0, 10, "file", "file"));
httpContext.Request.Form = new FormCollection(new Dictionary <string, StringValues>(), formFiles);
var valueProvider = new FormFileValueProvider(formFiles);
// Act
var result = valueProvider.GetValue("file");
// Assert
Assert.Equal(ValueProviderResult.None, result);
}
public void ContainsPrefix_ReturnsTrue_IfFileExists()
{
// Arrange
var httpContext = new DefaultHttpContext();
httpContext.Request.ContentType = "multipart/form-data";
var formFiles = new FormFileCollection();
formFiles.Add(new FormFile(Stream.Null, 0, 10, "file", "file"));
httpContext.Request.Form = new FormCollection(new Dictionary <string, StringValues>(), formFiles);
var valueProvider = new FormFileValueProvider(formFiles);
// Act
var result = valueProvider.ContainsPrefix("file");
// Assert
Assert.True(result);
}