Validator-and-data-builder

Use FluentValidation to validate data and data builder to generate randomly datas for tests.

Requirements

Using FluentValidation to validate the customer request.

FirstName and LastName Should not be null or empty.
Discount should not equal to 0 if assigned
Address should not be null or empty and between 20, 250 caracters

Response standarization

Actions should return ProblemValidationDetails for BadRequestException and ProblemDetails for InternalServerError.

Using data builder and Diverse library to generate randomly datas for customer tests cases.