using StellaOps.TestKit;
using Xunit;

namespace StellaOps.Canonical.Json.Tests;

/// <summary>
/// Tests for versioned canonicalization and hash computation.
/// Verifies version marker embedding, determinism, and backward compatibility.
/// </summary>
public partial class CanonVersionTests
{
    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public void V1_HasExpectedValue()
    {
        Assert.Equal("stella:canon:v1", CanonVersion.V1);
    }

    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public void VersionFieldName_HasUnderscorePrefix()
    {
        Assert.Equal("_canonVersion", CanonVersion.VersionFieldName);
        Assert.StartsWith("_", CanonVersion.VersionFieldName);
    }

    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public void Current_EqualsV1()
    {
        Assert.Equal(CanonVersion.V1, CanonVersion.Current);
    }
}