using Omika.Core.Observability.Diagnostic;

namespace Omika.Tests.Observability.Diagnostic;

public class DiagnosticSessionTests
{
    [Fact]
    public void SessionId_IsNotEmpty()
    {
        Assert.NotEqual(Guid.Empty, new DiagnosticSession().SessionId);
    }

    [Fact]
    public void SameInstance_SameSessionId()
    {
        var session = new DiagnosticSession();

        Assert.Equal(session.SessionId, session.SessionId);
    }

    [Fact]
    public void NewSession_NewSessionId()
    {
        Assert.NotEqual(new DiagnosticSession().SessionId, new DiagnosticSession().SessionId);
    }

    [Fact]
    public void StartedAtUtc_IsRecent()
    {
        DateTimeOffset before = DateTimeOffset.UtcNow.AddSeconds(-2);
        var session = new DiagnosticSession();

        Assert.InRange(session.StartedAtUtc, before, DateTimeOffset.UtcNow.AddSeconds(2));
    }
}