using System.Security.Cryptography;
using IdentityShroud.Core.Contracts;
using IdentityShroud.Core.Services;

namespace IdentityShroud.Core.Tests.Services;

public class EncryptionServiceTests
{
    [Fact]
    public void RoundtripWorks()
    {
        // setup
        string key = Convert.ToBase64String(RandomNumberGenerator.GetBytes(32));
        var secretProvider = Substitute.For<ISecretProvider>();
        secretProvider.GetSecret("Master").Returns(key);
            
        EncryptionService sut = new(secretProvider);
        byte[] input = RandomNumberGenerator.GetBytes(16);
        
        // act
        var cipher = sut.Encrypt(input);
        var result = sut.Decrypt(cipher);

        Assert.Equal(input, result);
    }
}