feat(inbound): read-only InboundDatabaseHelper for inbound scripts

2026-06-16 21:36:07 -04:00
parent f63055c296
commit 90ac746fdc
3 changed files with 116 additions and 0 deletions
@@ -0,0 +1,47 @@
+using System.Data.Common;
+using Microsoft.Data.Sqlite;
+using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Services;
+using ZB.MOM.WW.ScadaBridge.Commons.Types;
+using ZB.MOM.WW.ScadaBridge.InboundAPI;
+using Xunit;
+
+public class InboundDatabaseHelperTests
+{
+    private sealed class SqliteGateway : IDatabaseGateway
+    {
+        private readonly string _cs;
+        public SqliteGateway(string cs) => _cs = cs;
+        public async Task<DbConnection> GetConnectionAsync(string name, CancellationToken ct = default)
+        { var c = new SqliteConnection(_cs); await c.OpenAsync(ct); return c; }
+        public Task<ExternalCallResult> CachedWriteAsync(string c, string s,
+            IReadOnlyDictionary<string, object?>? p = null, string? o = null, CancellationToken ct = default,
+            TrackedOperationId? t = null, Guid? e = null, string? src = null, Guid? pe = null)
+            => throw new NotImplementedException();
+    }
+
+    private static SqliteGateway SeededGateway()
+    {
+        var keep = new SqliteConnection("DataSource=file:movein?mode=memory&cache=shared");
+        keep.Open(); // keep-alive: shared in-memory db lives until process exit
+        using var cmd = keep.CreateCommand();
+        cmd.CommandText = "CREATE TABLE IF NOT EXISTS Machine(Code TEXT, SAPID TEXT); DELETE FROM Machine; INSERT INTO Machine VALUES('Z28061A','131453');";
+        cmd.ExecuteNonQuery();
+        return new SqliteGateway("DataSource=file:movein?mode=memory&cache=shared");
+    }
+
+    [Fact]
+    public void QuerySingle_returns_first_column_with_bound_parameter()
+    {
+        var helper = new InboundDatabaseHelper(SeededGateway(), CancellationToken.None);
+        var code = helper.QuerySingle<string>("BTDB", "SELECT Code FROM Machine WHERE SAPID=@s", new { s = "131453" });
+        Assert.Equal("Z28061A", code);
+    }
+
+    [Fact]
+    public void QuerySingle_returns_default_when_no_rows()
+    {
+        var helper = new InboundDatabaseHelper(SeededGateway(), CancellationToken.None);
+        var code = helper.QuerySingle<string>("BTDB", "SELECT Code FROM Machine WHERE SAPID=@s", new { s = "999999" });
+        Assert.Null(code);
+    }
+}
@@ -15,6 +15,7 @@
  <ItemGroup>
    <PackageReference Include="coverlet.collector" />
    <PackageReference Include="Microsoft.AspNetCore.TestHost" />
+    <PackageReference Include="Microsoft.Data.Sqlite" />
    <PackageReference Include="Microsoft.NET.Test.Sdk" />
    <PackageReference Include="NSubstitute" />
    <PackageReference Include="xunit" />