Files

51 lines
1.4 KiB
C#

using SIGCM2.Domain.Security;
namespace SIGCM2.Application.Tests.Domain;
public class TokenHasherTests
{
[Fact]
public void Sha256Base64Url_IsDeterministic()
{
const string raw = "my_test_raw_token_value_abc123";
var hash1 = TokenHasher.Sha256Base64Url(raw);
var hash2 = TokenHasher.Sha256Base64Url(raw);
Assert.Equal(hash1, hash2);
Assert.False(string.IsNullOrWhiteSpace(hash1));
}
[Fact]
public void Sha256Base64Url_ProducesUrlSafeString()
{
// Use many values to increase chance of hitting + / = in base64
for (var i = 0; i < 50; i++)
{
var raw = $"token_value_{i}_padding_test_xyz";
var hash = TokenHasher.Sha256Base64Url(raw);
Assert.DoesNotContain('+', hash);
Assert.DoesNotContain('/', hash);
Assert.DoesNotContain('=', hash);
}
}
[Fact]
public void Sha256Base64Url_DifferentInputsDifferentOutputs()
{
var hash1 = TokenHasher.Sha256Base64Url("token_a");
var hash2 = TokenHasher.Sha256Base64Url("token_b");
Assert.NotEqual(hash1, hash2);
}
[Fact]
public void Sha256Base64Url_ProducesExpectedLength()
{
// SHA-256 = 32 bytes. Base64url without padding: ceil(32 * 4/3) = 43 chars
var hash = TokenHasher.Sha256Base64Url("any_token_value");
Assert.Equal(43, hash.Length);
}
}