feat(historian): SqlServerHistorianProvider + SqlServer backend registration

Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
2026-10-09 13:42:38 -04:00
parent a611cc358f
commit 7500106c2f
7 changed files with 181 additions and 0 deletions
@@ -306,4 +306,37 @@ public sealed class ServerHistorianOptionsValidatorTests
            () => _ = provider.GetRequiredService<IOptions<ServerHistorianOptions>>().Value);
        ex.Failures.ShouldContain(f => f.Contains("ServerHistorian:Endpoint"));
    }
+
+    private static ServerHistorianOptionsValidator SqlSut(string? connectionString)
+    {
+        var values = new Dictionary<string, string?> { ["AlarmHistorian:Enabled"] = "false" };
+        if (connectionString is not null) values["ServerHistorian:SqlServer:ConnectionString"] = connectionString;
+        return new ServerHistorianOptionsValidator(new ConfigurationBuilder().AddInMemoryCollection(values).Build());
+    }
+
+    /// <summary>SqlServer with a connection string passes; the gateway Endpoint/ApiKey/UseTls checks do not fire.</summary>
+    [Fact]
+    public void SqlServer_backend_with_connection_string_passes_without_gateway_settings()
+    {
+        var result = SqlSut("Server=localhost;Database=h").Validate(null,
+            new ServerHistorianOptions { Backend = "SqlServer", Enabled = true });
+
+        result.Failed.ShouldBeFalse(string.Join("; ", result.Failures ?? []));
+    }
+
+    /// <summary>SqlServer with no connection string fails, naming the key.</summary>
+    [Fact]
+    public void SqlServer_backend_without_connection_string_fails_naming_the_key()
+    {
+        var result = SqlSut(null).Validate(null, new ServerHistorianOptions { Backend = "SqlServer", Enabled = true });
+
+        result.Failed.ShouldBeTrue();
+        result.Failures.ShouldContain(f => f.Contains("ServerHistorian:SqlServer:ConnectionString"));
+        result.Failures.ShouldNotContain(f => f.Contains("ServerHistorian:Endpoint"));
+    }
+
+    /// <summary>Unconsumed SqlServer section (nothing enabled) is not validated.</summary>
+    [Fact]
+    public void SqlServer_backend_not_consumed_passes_without_connection_string() =>
+        SqlSut(null).Validate(null, new ServerHistorianOptions { Backend = "SqlServer" }).Failed.ShouldBeFalse();
 }
@@ -5,6 +5,8 @@ using Shouldly;
 using Xunit;
 using ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway;
 using ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Recorder;
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+using ZB.MOM.WW.OtOpcUa.Driver.Historian.SqlServer;
 using ZB.MOM.WW.OtOpcUa.Host.Configuration;
 using ZB.MOM.WW.OtOpcUa.Runtime.Historian;

@@ -59,4 +61,29 @@ public sealed class HistorianBackendRegistryTests
        p.CreateProvisioning(sp).ShouldBeOfType<GatewayTagProvisioner>();
        p.CreateUpdater(sp).ShouldBeNull();
    }
+
+    private static IConfiguration SqlCfg() => new ConfigurationBuilder().AddInMemoryCollection(new Dictionary<string, string?>
+    {
+        ["ServerHistorian:SqlServer:ConnectionString"] = "Server=localhost;User Id=sa;Password=x;TrustServerCertificate=True",
+    }).Build();
+
+    [Fact]
+    public void SqlServer_backend_resolves_and_builds_the_sql_seams()
+    {
+        var sp = new ServiceCollection().BuildServiceProvider();
+        var p = HistorianBackendRegistry.Resolve(new ServerHistorianOptions { Backend = "sqlserver", Enabled = true }, SqlCfg());
+
+        p.ShouldBeOfType<SqlServerHistorianProvider>();
+        HistorianBackendRegistry.KnownBackends.ShouldContain("SqlServer");
+        p.SupportedKinds.Count.ShouldBe(6);
+        p.SupportedKinds.ShouldContain(HistorianValueKind.String);
+        p.SupportedKinds.ShouldContain(HistorianValueKind.Empty);
+        p.CreateDataSource(sp).ShouldBeOfType<SqlServerHistorianDataSource>();
+        p.CreateValueWriter(sp).GetType().Name.ShouldBe("SqlServerHistorianValueWriter");
+        p.CreateAlarmWriter(sp).GetType().Name.ShouldBe("SqlServerAlarmHistorianWriter");
+        p.CreateProvisioning(sp).GetType().Name.ShouldBe("SqlServerTagProvisioner");
+        var holder = new HistorianUpdaterHolder(p.CreateUpdater(sp));
+        holder.Updater.ShouldNotBeNull();
+        holder.Updater!.GetType().Name.ShouldBe("SqlServerHistorianDataUpdater");
+    }
 }