using FluentAssertions;
using StellaOps.TestKit.Longevity;
using Xunit;

namespace StellaOps.TestKit.Tests;

public sealed partial class LongevityTests
{
    [Fact]
    public void StabilityMetrics_CaptureBaseline_SetsBaseline()
    {
        var metrics = new StabilityMetrics();

        metrics.CaptureBaseline();

        metrics.MemoryBaseline.Should().BeGreaterThan(0);
        metrics.Snapshots.Should().HaveCount(1);
    }

    [Fact]
    public void StabilityMetrics_CaptureSnapshot_AddsSnapshot()
    {
        var metrics = new StabilityMetrics();
        metrics.CaptureBaseline();

        metrics.CaptureSnapshot();
        metrics.CaptureSnapshot();

        metrics.Snapshots.Should().HaveCount(3);
    }

    [Fact]
    public void StabilityMetrics_RecordCounter_StoresValue()
    {
        var metrics = new StabilityMetrics();
        metrics.CaptureBaseline();

        metrics.RecordCounter("requests_total", 100);

        metrics.CounterValues.Should().ContainKey("requests_total");
        metrics.CounterValues["requests_total"].Should().Be(100);
    }

    [Fact]
    public void StabilityMetrics_RecordConnectionPool_StoresValues()
    {
        var metrics = new StabilityMetrics();
        metrics.CaptureBaseline();

        metrics.RecordConnectionPool(active: 5, leaked: 1);

        metrics.ConnectionPoolActive.Should().Be(5);
        metrics.ConnectionPoolLeaked.Should().Be(1);
    }
}