using Shouldly;
using Xunit;

namespace ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Tests;

/// <summary>
///     Reconnect scaffolding. Since Gitea #670 the driver has no in-driver reconnect handler (session loss is reported
///     and the host re-initialises the driver — at once on a definitive loss, #676, else via the comms-loss watchdog),
///     and #676 deleted the dead <c>ReconnectPeriod</c> option; <see cref="OpcUaClientDriverFactoryTests"/> pins that
///     stored configs still carrying it parse. Outage behaviour is covered by <see cref="OpcUaClientSessionLossTests"/>,
///     <see cref="OpcUaClientConnectionLossSignalTests"/> and, over the wire, <c>OpcUaClientDriverReconnectWireTests</c>.
/// </summary>
[Trait("Category", "Unit")]
public sealed class OpcUaClientReconnectTests
{
    /// <summary>Verifies that the driver starts in the Unknown state before initialization.</summary>
    [Fact]
    public void Driver_starts_unknown_pre_init()
    {
        using var drv = new OpcUaClientDriver(new OpcUaClientDriverOptions(), "opcua-reconnect");
        drv.GetHealth().State.ShouldBe(Core.Abstractions.DriverState.Unknown);
    }
}