using Omika.Core.Observability;

namespace Omika.Tests.Observability;

public class NullTelemetryServiceTests
{
    [Fact]
    public void Track_NeverThrows()
    {
        NullTelemetryService service = NullTelemetryService.Instance;

        service.Track(new TelemetryEvent { EventCode = TelemetryEventCodes.MobileAppStarted });
        // Aucune exception attendue : l'assertion porte sur l'absence de levée.
    }

    [Fact]
    public void Log_NeverThrows()
    {
        NullTelemetryService service = NullTelemetryService.Instance;

        service.Log(new DiagnosticEvent { EventCode = TelemetryEventCodes.ApiRequestFailed });
    }

    [Fact]
    public void Track_NullEvent_NeverThrows()
    {
        NullTelemetryService.Instance.Track(null!);
    }

    [Fact]
    public void Log_NullEvent_NeverThrows()
    {
        NullTelemetryService.Instance.Log(null!);
    }

    [Fact]
    public void Instance_IsSharedSingleton()
    {
        Assert.Same(NullTelemetryService.Instance, NullTelemetryService.Instance);
    }
}