using Shouldly;
using Xunit;

namespace ZB.MOM.WW.OtOpcUa.Cluster.Tests;

/// <summary>
///     R3-04 (01/C-9, choice 6): <see cref="RoleParser.GossipedRolesHave"/> is defence in depth for a
///     PEER running an older build that still gossips a miscased plain role — a locally-authored node
///     can no longer gossip one at all once <see cref="EffectiveRoles"/> (T1) is wired in, but Akka
///     compares gossiped role names ordinally, so a rolling-upgrade window can still show a
///     mixed-case peer.
/// </summary>
public sealed class GossipedRoleMatchTests
{
    [Fact]
    public void Matches_the_canonical_spelling()
    {
        RoleParser.GossipedRolesHave(["driver"], "driver").ShouldBeTrue();
    }

    [Theory]
    [InlineData("Driver")]
    [InlineData("DRIVER")]
    [InlineData("driVer")]
    public void Matches_a_miscased_gossiped_role(string gossiped)
    {
        RoleParser.GossipedRolesHave([gossiped], "driver").ShouldBeTrue();
    }

    [Fact]
    public void Matches_a_miscased_cluster_role()
    {
        RoleParser.GossipedRolesHave(["cluster-SITE-A"], "cluster-site-a").ShouldBeTrue();
        RoleParser.GossipedRolesHave(["Cluster-Site-A"], "cluster-SITE-A").ShouldBeTrue();
    }

    [Fact]
    public void Does_not_match_a_different_role()
    {
        RoleParser.GossipedRolesHave(["admin"], "driver").ShouldBeFalse();
    }

    [Fact]
    public void Null_gossiped_roles_is_false()
    {
        RoleParser.GossipedRolesHave(null, "driver").ShouldBeFalse();
    }

    [Fact]
    public void Empty_gossiped_roles_is_false()
    {
        RoleParser.GossipedRolesHave([], "driver").ShouldBeFalse();
    }
}