Files
git.stella-ops.org/tests/StellaOps.Router.Gateway.Tests/InstanceRateLimiterTests.cs
2025-12-18 00:47:24 +02:00

48 lines
1.4 KiB
C#

using FluentAssertions;
using StellaOps.Router.Gateway.RateLimit;
using Xunit;
namespace StellaOps.Router.Gateway.Tests;
public sealed class InstanceRateLimiterTests
{
[Fact]
public void TryAcquire_ReportsMostConstrainedRuleWhenAllowed()
{
var limiter = new InstanceRateLimiter(
[
new RateLimitRule { PerSeconds = 300, MaxRequests = 2 },
new RateLimitRule { PerSeconds = 30, MaxRequests = 1 },
]);
var decision = limiter.TryAcquire("svc");
decision.Allowed.Should().BeTrue();
decision.Scope.Should().Be(RateLimitScope.Instance);
decision.WindowSeconds.Should().Be(30);
decision.Limit.Should().Be(1);
decision.CurrentCount.Should().Be(1);
}
[Fact]
public void TryAcquire_DeniesWhenAnyRuleIsExceeded()
{
var limiter = new InstanceRateLimiter(
[
new RateLimitRule { PerSeconds = 300, MaxRequests = 2 },
new RateLimitRule { PerSeconds = 30, MaxRequests = 1 },
]);
limiter.TryAcquire("svc").Allowed.Should().BeTrue();
var decision = limiter.TryAcquire("svc");
decision.Allowed.Should().BeFalse();
decision.Scope.Should().Be(RateLimitScope.Instance);
decision.WindowSeconds.Should().Be(30);
decision.Limit.Should().Be(1);
decision.RetryAfterSeconds.Should().BeGreaterThan(0);
}
}