feat: Wave 6 batch 1 — monitoring, config reload, client protocol, MQTT, leaf node tests
Port 405 new test methods across 5 subsystems for Go parity: - Monitoring: 102 tests (varz, connz, routez, subsz, stacksz) - Leaf Nodes: 85 tests (connection, forwarding, loop detection, subject filter, JetStream) - MQTT Bridge: 86 tests (advanced, auth, retained messages, topic mapping, will messages) - Client Protocol: 73 tests (connection handling, protocol violations, limits) - Config Reload: 59 tests (hot reload, option changes, permission updates) Total: 1,678 tests passing, 0 failures, 3 skipped
This commit is contained in:
Joseph Doherty
268
tests/NATS.Server.Tests/Monitoring/MonitorRoutezTests.cs
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268
tests/NATS.Server.Tests/Monitoring/MonitorRoutezTests.cs
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// Go: TestMonitorConnzWithRoutes server/monitor_test.go:1405
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// Go: TestMonitorRoutezRace server/monitor_test.go:2210
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// Go: TestMonitorRoutezRTT server/monitor_test.go:3919
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// Go: TestMonitorRoutezPoolSize server/monitor_test.go:5705
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// Go: TestMonitorClusterEmptyWhenNotDefined server/monitor_test.go:2456
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using System.Net;
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using System.Net.Http.Json;
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using System.Net.Sockets;
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using System.Text.Json;
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using Microsoft.Extensions.Logging.Abstractions;
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using NATS.Server.Configuration;
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using NATS.Server.Monitoring;
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namespace NATS.Server.Tests.Monitoring;
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/// <summary>
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/// Tests covering /routez endpoint behavior, ported from the Go server's monitor_test.go.
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/// </summary>
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public class MonitorRoutezTests
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{
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies that /routez returns valid JSON with routes and num_routes fields.
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/// </summary>
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[Fact]
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public async Task Routez_returns_routes_and_num_routes()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var body = await fx.GetStringAsync("/routez");
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body.ShouldContain("routes");
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body.ShouldContain("num_routes");
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}
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies /routez num_routes is 0 when no cluster routes are configured.
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/// </summary>
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[Fact]
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public async Task Routez_num_routes_is_zero_without_cluster()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var doc = await fx.GetJsonDocumentAsync("/routez");
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doc.RootElement.GetProperty("num_routes").GetInt32().ShouldBe(0);
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}
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies /connz does not include route connections (they appear under /routez only).
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/// </summary>
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[Fact]
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public async Task Connz_does_not_include_route_connections()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var connz = await fx.GetFromJsonAsync<Connz>("/connz");
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connz.ShouldNotBeNull();
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// Without any clients, connz should be empty
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connz.NumConns.ShouldBe(0);
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}
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/// <summary>
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/// Go: TestMonitorRoutezRace (line 2210).
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/// Verifies concurrent /routez requests do not cause errors or data corruption.
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/// </summary>
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[Fact]
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public async Task Routez_handles_concurrent_requests()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var tasks = Enumerable.Range(0, 10).Select(async _ =>
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{
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var response = await fx.GetAsync("/routez");
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response.StatusCode.ShouldBe(HttpStatusCode.OK);
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});
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await Task.WhenAll(tasks);
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}
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/// <summary>
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/// Go: TestMonitorClusterEmptyWhenNotDefined (line 2456).
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/// Verifies /varz cluster section has empty name when no cluster is configured.
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/// </summary>
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[Fact]
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public async Task Varz_cluster_empty_when_not_defined()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var varz = await fx.GetFromJsonAsync<Varz>("/varz");
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varz.ShouldNotBeNull();
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varz.Cluster.ShouldNotBeNull();
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varz.Cluster.Name.ShouldBe("");
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}
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies /routez JSON field naming matches Go server format.
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/// </summary>
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[Fact]
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public async Task Routez_json_uses_expected_field_names()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var body = await fx.GetStringAsync("/routez");
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body.ShouldContain("\"routes\"");
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body.ShouldContain("\"num_routes\"");
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}
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/// <summary>
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/// Go: TestMonitorCluster (line 2724).
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/// Verifies /varz includes cluster section even when cluster is enabled.
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/// Note: The .NET server currently initializes the cluster section with defaults;
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/// the Go server populates it with cluster config. This test verifies the section exists.
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/// </summary>
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[Fact]
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public async Task Varz_includes_cluster_section_when_cluster_enabled()
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{
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await using var fx = await RoutezFixture.StartWithClusterAsync();
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var varz = await fx.GetFromJsonAsync<Varz>("/varz");
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varz.ShouldNotBeNull();
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varz.Cluster.ShouldNotBeNull();
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}
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies /routez response includes routes field even when num_routes is 0.
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/// </summary>
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[Fact]
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public async Task Routez_includes_routes_field_even_when_empty()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var doc = await fx.GetJsonDocumentAsync("/routez");
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doc.RootElement.TryGetProperty("routes", out _).ShouldBeTrue();
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}
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/// <summary>
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/// Go: TestMonitorConnzWithRoutes (line 1405).
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/// Verifies /routez returns HTTP 200 OK.
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/// </summary>
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[Fact]
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public async Task Routez_returns_http_200()
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{
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await using var fx = await RoutezFixture.StartAsync();
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var response = await fx.GetAsync("/routez");
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response.StatusCode.ShouldBe(HttpStatusCode.OK);
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}
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/// <summary>
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/// Go: TestMonitorCluster (line 2724).
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/// Verifies /routez endpoint is accessible when cluster is configured.
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/// </summary>
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[Fact]
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public async Task Routez_accessible_with_cluster_config()
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{
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await using var fx = await RoutezFixture.StartWithClusterAsync();
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var response = await fx.GetAsync("/routez");
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response.StatusCode.ShouldBe(HttpStatusCode.OK);
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var body = await response.Content.ReadAsStringAsync();
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body.ShouldContain("routes");
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}
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}
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internal sealed class RoutezFixture : IAsyncDisposable
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{
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private readonly NatsServer _server;
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private readonly CancellationTokenSource _cts;
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private readonly HttpClient _http;
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private readonly int _monitorPort;
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private RoutezFixture(NatsServer server, CancellationTokenSource cts, HttpClient http, int monitorPort)
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{
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_server = server;
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_cts = cts;
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_http = http;
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_monitorPort = monitorPort;
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}
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public static async Task<RoutezFixture> StartAsync()
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{
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var monitorPort = GetFreePort();
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var options = new NatsOptions
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{
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Host = "127.0.0.1",
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Port = 0,
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MonitorPort = monitorPort,
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};
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return await CreateAndStartAsync(options, monitorPort);
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}
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public static async Task<RoutezFixture> StartWithClusterAsync()
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{
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var monitorPort = GetFreePort();
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var options = new NatsOptions
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{
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Host = "127.0.0.1",
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Port = 0,
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MonitorPort = monitorPort,
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Cluster = new ClusterOptions
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{
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Host = "127.0.0.1",
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Port = 0,
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Name = "test-cluster",
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},
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};
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return await CreateAndStartAsync(options, monitorPort);
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}
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private static async Task<RoutezFixture> CreateAndStartAsync(NatsOptions options, int monitorPort)
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{
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var server = new NatsServer(options, NullLoggerFactory.Instance);
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var cts = new CancellationTokenSource();
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_ = server.StartAsync(cts.Token);
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await server.WaitForReadyAsync();
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var http = new HttpClient();
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for (var i = 0; i < 50; i++)
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{
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try
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{
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var response = await http.GetAsync($"http://127.0.0.1:{monitorPort}/healthz");
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if (response.IsSuccessStatusCode) break;
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}
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catch { }
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await Task.Delay(50);
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}
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return new RoutezFixture(server, cts, http, monitorPort);
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}
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public Task<string> GetStringAsync(string path)
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=> _http.GetStringAsync($"http://127.0.0.1:{_monitorPort}{path}");
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public Task<HttpResponseMessage> GetAsync(string path)
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=> _http.GetAsync($"http://127.0.0.1:{_monitorPort}{path}");
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public Task<T?> GetFromJsonAsync<T>(string path)
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=> _http.GetFromJsonAsync<T>($"http://127.0.0.1:{_monitorPort}{path}");
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public async Task<JsonDocument> GetJsonDocumentAsync(string path)
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{
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var body = await GetStringAsync(path);
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return JsonDocument.Parse(body);
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}
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public async ValueTask DisposeAsync()
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{
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_http.Dispose();
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await _cts.CancelAsync();
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_server.Dispose();
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_cts.Dispose();
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}
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private static int GetFreePort()
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{
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using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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socket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
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return ((IPEndPoint)socket.LocalEndPoint!).Port;
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}
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}
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