using StellaOps.Scanner.Reachability;
using Xunit;

namespace StellaOps.Scanner.Reachability.Tests;

public class SymbolIdTests
{
    [Fact]
    public void ForBinaryAddressed_NormalizesAddressAndKeepsLinkage()
    {
        var id1 = SymbolId.ForBinaryAddressed("sha256:deadbeef", ".text", "0x0040", "foo", "weak");
        var id2 = SymbolId.ForBinaryAddressed("sha256:deadbeef", ".text", "0x40", "foo", "weak");

        Assert.Equal(id1, id2);

        var id3 = SymbolId.ForBinaryAddressed("sha256:deadbeef", ".text", "40", "foo", "strong");
        Assert.NotEqual(id1, id3);
    }

    [Fact]
    public void CodeIdBinarySegment_NormalizesAddressAndLength()
    {
        var cid1 = CodeId.ForBinarySegment("elf", "sha256:abc", "0X0010", 64, ".text");
        var cid2 = CodeId.ForBinarySegment("elf", "sha256:abc", "16", 64, ".text");

        Assert.Equal(cid1, cid2);

        var cid3 = CodeId.ForBinarySegment("elf", "sha256:abc", "0x20", 32, ".text");
        Assert.NotEqual(cid1, cid3);
    }

    [Fact]
    public void SymbolIdForShell_RemainsStableForSameCommand()
    {
        var id1 = SymbolId.ForShell("/entrypoint.sh", "python -m app");
        var id2 = SymbolId.ForShell("/entrypoint.sh", "python -m app");

        Assert.Equal(id1, id2);
    }
}