using System.Threading;
using Xunit;

namespace StellaOps.Bench.Notify.Tests;

public sealed class NotifyScenarioRunnerTests
{
    [Fact]
    public void Execute_ComputesDeterministicMetrics()
    {
        var config = new NotifyScenarioConfig
        {
            Id = "unit_test",
            EventCount = 500,
            RuleCount = 40,
            ActionsPerRule = 3,
            MatchRate = 0.25,
            TenantCount = 4,
            ChannelCount = 16
        };

        var runner = new NotifyScenarioRunner(config);
        var result = runner.Execute(2, CancellationToken.None);

        Assert.Equal(config.ResolveEventCount(), result.TotalEvents);
        Assert.Equal(config.ResolveRuleCount(), result.TotalRules);
        Assert.Equal(config.ResolveActionsPerRule(), result.ActionsPerRule);
        Assert.True(result.TotalMatches > 0);
        Assert.Equal(result.TotalMatches * result.ActionsPerRule, result.TotalDeliveries);
        Assert.Equal(2, result.Durations.Count);
        Assert.All(result.Durations, value => Assert.True(value > 0));
    }
}