public void Sanitizer_StripsWhitespace()
{
var sanitizer = new TextSanitizer();
var output = sanitizer.Process(" \n \tA\n\t ");
Assert.Equal("A", output);
}
public void Sanitizer_ReplacesInvalidCharacters(string input, string expected)
{
var sanitizer = new TextSanitizer();
var output = sanitizer.Process(input);
Assert.Equal(expected, output);
}
public void On_NullInput_ThrowsArgumentException()
{
var sanitizer = new TextSanitizer();
void Act()
{
sanitizer.Process(null);
}
Assert.Throws <ArgumentException>((Action)Act);
}
private async Task <ResponseImageViewModel> ProcessImage(UploadImageViewModel model, DigitDetectionOptions options, ModelStateDictionary modelState)
{
int expectedNumber = continuityManager.GetCurrentNumber();
if (!modelState.IsValid)
{
var errors = modelState.SelectMany(pair => pair.Value.Errors.Select(error => error.ErrorMessage))
.ToList();
return(ResponseImageViewModelSimpleFactory.GenerateFailureResponse(null, expectedNumber, errors));
}
//preprocess image
var bitmap = bitmapUtility.FromFormFile(model.File);
if (!imageRatioValidator.Validate(bitmap))
{
return(ResponseImageViewModelSimpleFactory.GenerateFailureResponse(null, expectedNumber,
imageRatioValidator.ErrorMessage));
}
//extract text
string recognizedText = await TryRecognizeText(options, bitmap);
if (recognizedText == null)
{
return(ResponseImageViewModelSimpleFactory.GenerateFailureResponse(null, expectedNumber,
ErrorMessages.SERVER_OVERLOADED));
}
//preprocess text
var sanitizer = new TextSanitizer();
recognizedText = sanitizer.Process(recognizedText);
var expectedText = continuityManager.GetCurrentNumber().ToString();
if (expectedText == recognizedText)
{
int recognizedAsNumber = int.Parse(recognizedText);
var bytes = bitmapUtility.ToByteArray(bitmapUtility.Resize(bitmap));
var entry = new ImageEntry(bytes, recognizedAsNumber);
if (await continuityManager.TryIncrementCurrentNumber(entry))
{
return(ResponseImageViewModelSimpleFactory.GenerateSuccessResponse(recognizedText,
expectedNumber));
}
else
{
//correct the expected number, as it must've changed
expectedNumber = continuityManager.GetCurrentNumber();
return(ResponseImageViewModelSimpleFactory.GenerateFailureResponse(null, expectedNumber,
ErrorMessages.CONCURRENCY));
}
}
else
{
string error = string.Format(ErrorMessages.INVALID_NUMBER, expectedText);
return(ResponseImageViewModelSimpleFactory.GenerateFailureResponse(recognizedText, expectedNumber,
error));
}
}
