when_ArgumentOutOfRangeException_raised_but_config_is_set_to_argument_it_should_raise_exception_again()
{
const string fieldName = "ArgumentOutOfRange";
const string error = "NameValidationException";
var badRequestController = new BadRequestController();
var modelState = new ModelStateDictionary();
modelState.AddModelError(fieldName,
error);
var result = badRequestController.GetBadRequestWithModelState(modelState);
var config = new WebApiErrorHandlingConfig();
config.CatchArgumentException();
var middleware =
TestHelper.BuildWebApiErrorHandlingMiddleware(innerHttpContext =>
throw new ArgumentOutOfRangeException(
fieldName,
error),
config);
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
Func <Task> act = async() => { await middleware.Invoke(context); };
await act.Should().ThrowAsync <ArgumentOutOfRangeException>();
}
public static IApplicationBuilder UseWebApiErrorHandling(this IApplicationBuilder builder, ILogger logger)
{
var config = new WebApiErrorHandlingConfig();
return(builder.UseMiddleware <WebApiErrorHandlingMiddleware>(logger,
config));
}
public static WebApiErrorHandlingMiddleware BuildWebApiErrorHandlingMiddleware(
RequestDelegate next,
WebApiErrorHandlingConfig config)
{
return(new WebApiErrorHandlingMiddleware(next,
new FakeLogger(),
config));
}
public async Task when_ArgumentNullException_raised_it_should_BadRequest_http_status_code()
{
const string fieldName = "ArgumentNull";
const string error = "NameValidationException";
var badRequestController = new BadRequestController();
var modelState = new ModelStateDictionary();
modelState.AddModelError(fieldName,
error);
var result = badRequestController.GetBadRequestWithModelState(modelState);
var config = new WebApiErrorHandlingConfig();
config.CatchArgumentNullException();
var middleware =
TestHelper.BuildWebApiErrorHandlingMiddleware(innerHttpContext =>
throw new ArgumentNullException(fieldName,
error),
config);
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
await middleware.Invoke(context);
context.Response.Body.Seek(0,
SeekOrigin.Begin);
var reader = new StreamReader(context.Response.Body);
var streamText = reader.ReadToEnd();
var expected = JToken.Parse(result.SerializeToJson());
var actual = JToken.Parse(streamText);
Assert.Equal(HttpStatusCode.BadRequest,
context.Response.StatusCode.AsEnum <HttpStatusCode>());
Assert.True(JToken.DeepEquals(actual,
expected));
}
public WebApiErrorHandlingMiddleware(RequestDelegate next, ILogger logger, WebApiErrorHandlingConfig config)
{
_next = next;
_logger = logger;
_config = config;
}
