Conversion Key Inference: Config-Driven

internal/topdata/convert_test.go

@@ -119,6 +119,64 @@ func TestRunConvertCommand2DAToJSONInfersTemplateKeys(t *testing.T) {
 	}
 }
 
+func TestRunConvertCommand2DAToJSONInfersOutputDatasetKeysFromConfig(t *testing.T) {
+	root := testProjectRoot(t)
+	writeFile(t, filepath.Join(root, "nwn-tool.json"), `{
+  "module": {"name": "Test", "resref": "test"},
+  "paths": {"source": "src", "assets": "assets", "build": "build"},
+  "topdata": {"source": "topdata", "build": "build/topdata"}
+}`+"\n")
+	mkdirAll(t, filepath.Join(root, "topdata", "templates"))
+	mkdirAll(t, filepath.Join(root, "topdata", "data", "soundset"))
+	writeFile(t, filepath.Join(root, "topdata", "templates", "config.json"), `{
+  "tables": {
+    "template_soundset": {
+      "namespace": "soundset",
+      "key_fields": ["RESREF", "LABEL"]
+    }
+  }
+}`+"\n")
+	inputPath := filepath.Join(root, "scratch_soundset.2da")
+	writeFile(t, inputPath, "2DA V2.0\n\nLABEL RESREF STRREF GENDER TYPE\n0 \"Bandit Male\" nw_bandit 100 1 4\n1 \"Bandit Female\" nw_bandit 101 2 4\n")
+
+	oldCwd, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("getwd: %v", err)
+	}
+	t.Cleanup(func() {
+		_ = os.Chdir(oldCwd)
+	})
+	if err := os.Chdir(root); err != nil {
+		t.Fatalf("chdir: %v", err)
+	}
+
+	outputPath := filepath.Join(root, "topdata", "data", "soundset", "base.json")
+	if err := RunConvertCommand([]string{
+		"2da-to-json",
+		"scratch_soundset.2da",
+		outputPath,
+	}, &bytes.Buffer{}); err != nil {
+		t.Fatalf("RunConvertCommand failed: %v", err)
+	}
+
+	raw, err := os.ReadFile(outputPath)
+	if err != nil {
+		t.Fatalf("read output: %v", err)
+	}
+	var payload struct {
+		Rows []map[string]any `json:"rows"`
+	}
+	if err := json.Unmarshal(raw, &payload); err != nil {
+		t.Fatalf("unmarshal output: %v", err)
+	}
+	if got := payload.Rows[0]["key"]; got != "soundset:nw_bandit" {
+		t.Fatalf("expected first soundset key, got %#v", got)
+	}
+	if got := payload.Rows[1]["key"]; got != "soundset:nw_bandit_bandit_female" {
+		t.Fatalf("expected second soundset key to use config disambiguation, got %#v", got)
+	}
+}
+
 func TestRunConvertCommandFailsOnUnkeyedRows(t *testing.T) {
 	root := testProjectRoot(t)
 	writeFile(t, filepath.Join(root, "nwn-tool.json"), `{