private static IReadOnlyCollection <ImageSizeParam> ParseImageSizeParameters(HttpRequestMessage request)
{
NameValueCollection queryString = request.RequestUri.ParseQueryString();
string[] sizeParams = queryString.GetValues("size");
if (sizeParams == null || sizeParams.Length == 0)
{
throw new ArgumentException {
Data = { { "ValidationData", new { Query = new { Size = "Required" } } } }
}
}
;
return(sizeParams.Select(sizeParam =>
{
if (!ImageSizeParam.TryParse(sizeParam, out ImageSizeParam size))
{
throw new ArgumentException {
Data = { { "ValidationData", new { Query = new { Size = "Incorrect size format. It should be \"${width}x${height}q${quality}\"" } } } }
}
}
;
return size;
}).ToList());
}
public void ShouldFailForWrongParameters(string input)
{
bool parsed = ImageSizeParam.TryParse(input, out ImageSizeParam size);
Assert.False(parsed);
}