feat(lmxproxy): phase 2 — host core (MxAccessClient, SessionManager, SubscriptionManager)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-21 23:58:17 -04:00
parent 0d63fb1105
commit 64c92c63e5
15 changed files with 1834 additions and 0 deletions
--- a/lmxproxy/tests/ZB.MOM.WW.LmxProxy.Host.Tests/Sessions/SessionManagerTests.cs
+++ b/lmxproxy/tests/ZB.MOM.WW.LmxProxy.Host.Tests/Sessions/SessionManagerTests.cs
@@ -0,0 +1,148 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using FluentAssertions;
+using Xunit;
+using ZB.MOM.WW.LmxProxy.Host.Sessions;
+
+namespace ZB.MOM.WW.LmxProxy.Host.Tests.Sessions
+{
+    public class SessionManagerTests
+    {
+        [Fact]
+        public void CreateSession_Returns32CharHexId()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("client1", "key1");
+            id.Should().HaveLength(32);
+            id.Should().MatchRegex("^[0-9a-f]{32}$");
+        }
+
+        [Fact]
+        public void CreateSession_IncrementsCount()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.ActiveSessionCount.Should().Be(0);
+            sm.CreateSession("c1", "k1");
+            sm.ActiveSessionCount.Should().Be(1);
+            sm.CreateSession("c2", "k2");
+            sm.ActiveSessionCount.Should().Be(2);
+        }
+
+        [Fact]
+        public void ValidateSession_ReturnsTrueForExistingSession()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("c1", "k1");
+            sm.ValidateSession(id).Should().BeTrue();
+        }
+
+        [Fact]
+        public void ValidateSession_ReturnsFalseForUnknownSession()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.ValidateSession("nonexistent").Should().BeFalse();
+        }
+
+        [Fact]
+        public void ValidateSession_UpdatesLastActivity()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("c1", "k1");
+            var session = sm.GetSession(id);
+            var initialActivity = session!.LastActivity;
+
+            Thread.Sleep(50); // Small delay to ensure time passes
+            sm.ValidateSession(id);
+
+            session.LastActivity.Should().BeAfter(initialActivity);
+        }
+
+        [Fact]
+        public void TerminateSession_RemovesSession()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("c1", "k1");
+            sm.TerminateSession(id).Should().BeTrue();
+            sm.ActiveSessionCount.Should().Be(0);
+            sm.ValidateSession(id).Should().BeFalse();
+        }
+
+        [Fact]
+        public void TerminateSession_ReturnsFalseForUnknownSession()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.TerminateSession("nonexistent").Should().BeFalse();
+        }
+
+        [Fact]
+        public void GetSession_ReturnsNullForUnknown()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.GetSession("nonexistent").Should().BeNull();
+        }
+
+        [Fact]
+        public void GetSession_ReturnsCorrectInfo()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("client-abc", "key-xyz");
+            var session = sm.GetSession(id);
+            session.Should().NotBeNull();
+            session!.ClientId.Should().Be("client-abc");
+            session.ApiKey.Should().Be("key-xyz");
+            session.SessionId.Should().Be(id);
+            session.ConnectedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(2));
+        }
+
+        [Fact]
+        public void GetAllSessions_ReturnsSnapshot()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.CreateSession("c1", "k1");
+            sm.CreateSession("c2", "k2");
+            var all = sm.GetAllSessions();
+            all.Should().HaveCount(2);
+        }
+
+        [Fact]
+        public async Task ConcurrentAccess_IsThreadSafe()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var tasks = new Task[100];
+            for (int i = 0; i < 100; i++)
+            {
+                int idx = i;
+                tasks[i] = Task.Run(() =>
+                {
+                    var id = sm.CreateSession($"client-{idx}", $"key-{idx}");
+                    sm.ValidateSession(id);
+                    if (idx % 3 == 0) sm.TerminateSession(id);
+                });
+            }
+            await Task.WhenAll(tasks);
+
+            // Should have ~67 sessions remaining (100 - ~33 terminated)
+            sm.ActiveSessionCount.Should().BeInRange(60, 70);
+        }
+
+        [Fact]
+        public void Dispose_ClearsAllSessions()
+        {
+            var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            sm.CreateSession("c1", "k1");
+            sm.CreateSession("c2", "k2");
+            sm.Dispose();
+            sm.ActiveSessionCount.Should().Be(0);
+        }
+
+        [Fact]
+        public void ConnectedSinceUtcTicks_ReturnsCorrectValue()
+        {
+            using var sm = new SessionManager(inactivityTimeoutMinutes: 0);
+            var id = sm.CreateSession("c1", "k1");
+            var session = sm.GetSession(id);
+            session!.ConnectedSinceUtcTicks.Should().Be(session.ConnectedAt.Ticks);
+        }
+    }
+}