Add Galaxy repository API and clients

src/MxGateway.IntegrationTests/Galaxy/GalaxyRepositoryLiveTests.cs

@@ -0,0 +1,68 @@
+using MxGateway.Server.Galaxy;
+
+namespace MxGateway.IntegrationTests.Galaxy;
+
+public sealed class GalaxyRepositoryLiveTests
+{
+    [LiveGalaxyRepositoryFact]
+    [Trait("Category", "LiveGalaxy")]
+    public async Task TestConnection_AgainstZb_Succeeds()
+    {
+        GalaxyRepository repository = CreateRepository();
+
+        bool ok = await repository.TestConnectionAsync(CancellationToken.None);
+
+        Assert.True(ok, "TestConnectionAsync should return true against the ZB database.");
+    }
+
+    [LiveGalaxyRepositoryFact]
+    [Trait("Category", "LiveGalaxy")]
+    public async Task GetLastDeployTime_AgainstZb_ReturnsTimestamp()
+    {
+        GalaxyRepository repository = CreateRepository();
+
+        DateTime? lastDeploy = await repository.GetLastDeployTimeAsync(CancellationToken.None);
+
+        Assert.NotNull(lastDeploy);
+    }
+
+    [LiveGalaxyRepositoryFact]
+    [Trait("Category", "LiveGalaxy")]
+    public async Task GetHierarchy_AgainstZb_ReturnsObjects()
+    {
+        GalaxyRepository repository = CreateRepository();
+
+        List<GalaxyHierarchyRow> rows = await repository.GetHierarchyAsync(CancellationToken.None);
+
+        Assert.NotEmpty(rows);
+        Assert.All(rows, row =>
+        {
+            Assert.True(row.GobjectId > 0);
+            Assert.False(string.IsNullOrEmpty(row.TagName));
+            Assert.False(string.IsNullOrEmpty(row.BrowseName));
+        });
+    }
+
+    [LiveGalaxyRepositoryFact]
+    [Trait("Category", "LiveGalaxy")]
+    public async Task GetAttributes_AgainstZb_ReturnsAtLeastOneAttribute()
+    {
+        GalaxyRepository repository = CreateRepository();
+
+        List<GalaxyAttributeRow> rows = await repository.GetAttributesAsync(CancellationToken.None);
+
+        Assert.NotEmpty(rows);
+        Assert.All(rows, row =>
+        {
+            Assert.True(row.GobjectId > 0);
+            Assert.False(string.IsNullOrEmpty(row.AttributeName));
+            Assert.False(string.IsNullOrEmpty(row.FullTagReference));
+        });
+    }
+
+    private static GalaxyRepository CreateRepository() => new(new GalaxyRepositoryOptions
+    {
+        ConnectionString = LiveGalaxyRepositoryFactAttribute.ConnectionString,
+        CommandTimeoutSeconds = 30,
+    });
+}

src/MxGateway.IntegrationTests/Galaxy/LiveGalaxyRepositoryFactAttribute.cs

@@ -0,0 +1,25 @@
+namespace MxGateway.IntegrationTests.Galaxy;
+
+public sealed class LiveGalaxyRepositoryFactAttribute : FactAttribute
+{
+    public const string EnableVariableName = "MXGATEWAY_RUN_LIVE_GALAXY_TESTS";
+    public const string ConnectionStringVariableName = "MXGATEWAY_LIVE_GALAXY_CONN";
+
+    public LiveGalaxyRepositoryFactAttribute()
+    {
+        if (!Enabled)
+        {
+            Skip = $"Set {EnableVariableName}=1 to run live Galaxy Repository tests.";
+        }
+    }
+
+    public static bool Enabled =>
+        string.Equals(
+            Environment.GetEnvironmentVariable(EnableVariableName),
+            "1",
+            StringComparison.Ordinal);
+
+    public static string ConnectionString =>
+        Environment.GetEnvironmentVariable(ConnectionStringVariableName)
+            ?? "Server=localhost;Database=ZB;Integrated Security=True;TrustServerCertificate=True;Encrypt=False;";
+}

src/MxGateway.IntegrationTests/WorkerLiveMxAccessSmokeTests.cs

@@ -251,6 +251,7 @@ public sealed class WorkerLiveMxAccessSmokeTests(ITestOutputHelper output)
                 new MxAccessGrpcRequestValidator(),
                 mapper,
                 eventStreamService,
+                _metrics,
                 _loggerFactory.CreateLogger<MxAccessGatewayService>());
         }