更新处理器

internal/infrastructure/external/tianyuanapi/tianyuanapi_service_test.go

@@ -0,0 +1,18 @@
+package tianyuanapi
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestMapBusinessError(t *testing.T) {
+	if err := mapBusinessError(0, ""); err != nil {
+		t.Fatalf("code 0 should be nil, got %v", err)
+	}
+	if !errors.Is(mapBusinessError(1000, "查无"), ErrNotFound) {
+		t.Fatal("expected ErrNotFound for 1000")
+	}
+	if !errors.Is(mapBusinessError(2001, "业务失败"), ErrDatasource) {
+		t.Fatal("expected ErrDatasource for 2001")
+	}
+}