feat: add system event DTOs and JSON source generator context

2026-02-23 05:29:40 -05:00
parent b0c5b4acd8
commit fc96b6eb43
4 changed files with 353 additions and 0 deletions
--- a/tests/NATS.Server.Tests/EventSystemTests.cs
+++ b/tests/NATS.Server.Tests/EventSystemTests.cs
@@ -0,0 +1,68 @@
+using System.Text.Json;
+using NATS.Server.Events;
+
+namespace NATS.Server.Tests;
+
+public class EventSystemTests
+{
+    [Fact]
+    public void ConnectEventMsg_serializes_with_correct_type()
+    {
+        var evt = new ConnectEventMsg
+        {
+            Type = ConnectEventMsg.EventType,
+            Id = "test123",
+            Time = new DateTime(2026, 1, 1, 0, 0, 0, DateTimeKind.Utc),
+            Server = new EventServerInfo { Name = "test-server", Id = "SRV1" },
+            Client = new EventClientInfo { Id = 1, Account = "$G" },
+        };
+
+        var json = JsonSerializer.Serialize(evt, EventJsonContext.Default.ConnectEventMsg);
+        json.ShouldContain("\"type\":\"io.nats.server.advisory.v1.client_connect\"");
+        json.ShouldContain("\"server\":");
+        json.ShouldContain("\"client\":");
+    }
+
+    [Fact]
+    public void DisconnectEventMsg_serializes_with_reason()
+    {
+        var evt = new DisconnectEventMsg
+        {
+            Type = DisconnectEventMsg.EventType,
+            Id = "test456",
+            Time = DateTime.UtcNow,
+            Server = new EventServerInfo { Name = "test-server", Id = "SRV1" },
+            Client = new EventClientInfo { Id = 2, Account = "myacc" },
+            Reason = "Client Closed",
+            Sent = new DataStats { Msgs = 10, Bytes = 1024 },
+            Received = new DataStats { Msgs = 5, Bytes = 512 },
+        };
+
+        var json = JsonSerializer.Serialize(evt, EventJsonContext.Default.DisconnectEventMsg);
+        json.ShouldContain("\"reason\":\"Client Closed\"");
+    }
+
+    [Fact]
+    public void ServerStatsMsg_serializes()
+    {
+        var evt = new ServerStatsMsg
+        {
+            Server = new EventServerInfo { Name = "srv1", Id = "ABC" },
+            Stats = new ServerStatsData
+            {
+                Connections = 10,
+                TotalConnections = 100,
+                InMsgs = 5000,
+                OutMsgs = 4500,
+                InBytes = 1_000_000,
+                OutBytes = 900_000,
+                Mem = 50 * 1024 * 1024,
+                Subscriptions = 42,
+            },
+        };
+
+        var json = JsonSerializer.Serialize(evt, EventJsonContext.Default.ServerStatsMsg);
+        json.ShouldContain("\"connections\":10");
+        json.ShouldContain("\"in_msgs\":5000");
+    }
+}