public void ValidateRequest_Should_Append_Expected_Validation_Errors()
{
var result = _paymentRequestValidator.ValidateRequest(new PaymentRequest
{
Currency = "invalid",
CardNumber = "abcdefg",
Cvv = "defdfg",
Amount = -10.00M,
ExpiryDate = "xx/9z"
});
Assert.False(result.Success);
Assert.NotEmpty(result.Result);
Assert.Contains(ErrorMessages.Validation.FieldInvalidContent,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.CardNumber)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidLength,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.CardNumber)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidContent,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.Cvv)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidLength,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.Cvv)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidContent,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.Currency)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidContent,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.ExpiryDate)).Select(x => x.Error));
Assert.Contains(ErrorMessages.Validation.FieldInvalidContent,
result.Result.Where(x => x.FieldName == nameof(PaymentRequest.Amount)).Select(x => x.Error));
}