feat(driver-s7): shared TagConfigJson readers, writable key, Inspect warnings (R2-11)

2026-07-13 10:57:01 -04:00
parent 64b9bba9e9
commit 1cceef406e
4 changed files with 91 additions and 7 deletions
@@ -0,0 +1,49 @@
+using Shouldly;
+using Xunit;
+using ZB.MOM.WW.OtOpcUa.Driver.S7;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.S7.Tests;
+
+/// <summary>R2-11 (05/CONV-2) strictness surface for the S7 equipment-tag parser: lenient runtime freeze,
+/// <c>Inspect</c> reports the typo, and the <c>writable</c> key is honoured (default true).</summary>
+public sealed class S7EquipmentTagParserStrictnessTests
+{
+    [Fact]
+    public void Freeze_typo_dataType_still_defaults_to_Int16()
+    {
+        S7EquipmentTagParser.TryParse("{\"address\":\"DB1.DBW0\",\"dataType\":\"Intt16\"}", out var def)
+            .ShouldBeTrue();
+        def.DataType.ShouldBe(S7DataType.Int16);
+    }
+
+    [Fact]
+    public void Inspect_reports_typo_dataType()
+    {
+        var warnings = S7EquipmentTagParser.Inspect("{\"address\":\"DB1.DBW0\",\"dataType\":\"Intt16\"}");
+        warnings.ShouldHaveSingleItem();
+        warnings[0].ShouldContain("Intt16");
+        warnings[0].ShouldContain("dataType");
+    }
+
+    [Fact]
+    public void Inspect_clean_config_has_no_warnings()
+    {
+        S7EquipmentTagParser.Inspect("{\"address\":\"DB1.DBW0\",\"dataType\":\"Int16\"}").ShouldBeEmpty();
+    }
+
+    [Fact]
+    public void Writable_false_is_honoured()
+    {
+        S7EquipmentTagParser.TryParse("{\"address\":\"DB1.DBW0\",\"dataType\":\"Int16\",\"writable\":false}", out var def)
+            .ShouldBeTrue();
+        def.Writable.ShouldBeFalse();
+    }
+
+    [Fact]
+    public void Writable_absent_defaults_to_true()
+    {
+        S7EquipmentTagParser.TryParse("{\"address\":\"DB1.DBW0\",\"dataType\":\"Int16\"}", out var def)
+            .ShouldBeTrue();
+        def.Writable.ShouldBeTrue();
+    }
+}