public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
try
{
await next.Invoke(context);
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
_sentry?.CaptureException(ex);
var exception = ex as CrpcException;
if (!(ex is CrpcException))
{
// TODO(0xdeafcafe): How should this be done?
exception = new CrpcException(CrpcCodes.Unknown);
}
var json = JsonConvert.SerializeObject(exception, _jsonSerializerSettings);
context.Response.StatusCode = exception.StatusCode();
context.Response.ContentType = "application/json; charset=utf-8";
await context.Response.WriteAsync(json);
}
}
public async Task TestGenericCrpcException()
{
var middleware = new ExceptionMiddleware(_loggerFactory, null);
var context = new DefaultHttpContext();
var thrownException = new CrpcException(CrpcCodes.ValidationFailed);
context.Response.Body = new MemoryStream();
await middleware.InvokeAsync(context, (ctx) => throw thrownException);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(context.Response.Body);
var body = reader.ReadToEnd();
var exception = JsonConvert.DeserializeObject <CrpcException>(body);
Assert.Equal(CrpcCodes.ValidationFailed, exception.Message);
Assert.Equal(thrownException.StatusCode(), (int)context.Response.StatusCode);
}