public async Task WhenAModelStateValidationExceptionIsRaised_AValidationErrorWillBeReturned_WithBadRequestHttpStatus()
{
// Arrange
var requestDTO = new RequestModelBasic()
{
Id = 0, Message = string.Empty, CreatedOn = DateTime.Now
};
// Perform a validation using ModelState
var modelState = new ModelStateDictionary();
modelState.AddModelError("Error_1", "Input string '1.3' is not a valid integer. Path 'userId', line 2, position 17.");
modelState["Error_1"].RawValue = "1.3";
modelState.AddModelError("Error_2", "Could not convert string to DateTime: 2018:10. Path 'momentsDate', line 4, position 28.");
ValidationException thrownException = new ValidationException("bad_request", modelState, string.Empty);
ValidationError expectedResponse = new ValidationError(thrownException.ValidationFailures, string.Empty);
var middleware = new ExceptionHandlerMiddleware((innerHttpContext) =>
{
throw thrownException;
}, _logger);
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
//Act
await middleware.Invoke(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(context.Response.Body);
var streamText = reader.ReadToEnd();
var actualResponse = JsonConvert.DeserializeObject <ValidationError>(streamText);
//Assert
Assert.Equal(expectedResponse.StatusCode, actualResponse.StatusCode);
Assert.Equal(expectedResponse.StatusCode, context.Response.StatusCode);
Assert.Equal(expectedResponse.StatusMessage, actualResponse.StatusMessage);
Assert.NotNull(actualResponse.Errors);
Assert.Equal(expectedResponse.Errors.Count, actualResponse.Errors.Count);
for (int i = 0; i < actualResponse.Errors.Count; i++)
{
Assert.Equal(expectedResponse.Errors[i].Code, actualResponse.Errors[i].Code);
Assert.Equal(expectedResponse.Errors[i].Message, actualResponse.Errors[i].Message);
Assert.Equal(expectedResponse.Errors[i].AttemptedValue, actualResponse.Errors[i].AttemptedValue);
Assert.Equal(expectedResponse.Errors[i].Field, actualResponse.Errors[i].Field);
}
}
public async Task WhenAFluentValidationExceptionIsRaised_AValidationErrorWillBeReturned_WithBadRequestHttpStatus()
{
// Arrange
var requestDTO = new RequestModelBasic()
{
Id = 0, Message = string.Empty, CreatedOn = DateTime.Now
};
// Perform a validation using a FluentValidator
var validator = new RequestModelBasicValidator();
FluentValidation.Results.ValidationResult validationResult = validator.Validate(requestDTO);
ValidationException thrownException = new ValidationException(validationResult.Errors, string.Empty);
ValidationError expectedResponse = new ValidationError(validationResult.Errors, string.Empty);
var middleware = new ExceptionHandlerMiddleware((innerHttpContext) =>
{
throw thrownException;
}, _logger);
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
//Act
await middleware.Invoke(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(context.Response.Body);
var streamText = reader.ReadToEnd();
var actualResponse = JsonConvert.DeserializeObject <ValidationError>(streamText);
//Assert
Assert.Equal(expectedResponse.StatusCode, actualResponse.StatusCode);
Assert.Equal(expectedResponse.StatusCode, context.Response.StatusCode);
Assert.Equal(expectedResponse.StatusMessage, actualResponse.StatusMessage);
Assert.NotNull(actualResponse.Errors);
Assert.Equal(expectedResponse.Errors.Count, actualResponse.Errors.Count);
for (int i = 0; i < actualResponse.Errors.Count; i++)
{
Assert.Equal(expectedResponse.Errors[i].Code, actualResponse.Errors[i].Code);
Assert.Equal(expectedResponse.Errors[i].Message, actualResponse.Errors[i].Message);
Assert.Equal(expectedResponse.Errors[i].AttemptedValue.ToString(), actualResponse.Errors[i].AttemptedValue.ToString());
Assert.Equal(expectedResponse.Errors[i].Field, actualResponse.Errors[i].Field);
}
}
