Move yql/udfs/common/ to /yql/essentials YQL-19206

Except the following directories:

* clickhouse/client
* datetime
* knn
* roaring
commit_hash:c7da95636144d28db109d6b17ddc762e9bacb59f

1 files changed, 37 insertions, 0 deletions

diff --git a/yql/essentials/udfs/common/python/bindings/py_void_ut.cpp b/yql/essentials/udfs/common/python/bindings/py_void_ut.cpp
new file mode 100644
index 0000000000..7fbeca2043
--- /dev/null
+++ b/yql/essentials/udfs/common/python/bindings/py_void_ut.cpp
@@ -0,0 +1,37 @@
+#include "ut3/py_test_engine.h"
+
+#include <library/cpp/testing/unittest/registar.h>
+
+
+using namespace NPython;
+
+Y_UNIT_TEST_SUITE(TPyVoidTest) {
+    Y_UNIT_TEST(FromPython) {
+        TPythonTestEngine engine;
+        engine.ToMiniKQL<void>(
+                "import yql\n"
+                "\n"
+                "def Test():\n"
+                "    return yql.Void\n",
+                [](const NUdf::TUnboxedValue& value) {
+                    UNIT_ASSERT(value);
+                    UNIT_ASSERT(false == value.IsBoxed());
+                });
+    }
+
+    Y_UNIT_TEST(ToPython) {
+        TPythonTestEngine engine;
+        engine.ToPython<void>(
+                [](const TType* type, const NUdf::IValueBuilder& vb) {
+                    Y_UNUSED(type); Y_UNUSED(vb);
+                    return NUdf::TUnboxedValue::Void();
+                },
+                "import yql\n"
+                "\n"
+                "def Test(value):\n"
+                "   assert str(value) == 'yql.Void'\n"
+                "   assert repr(value) == 'yql.Void'\n"
+                "   assert isinstance(value, yql.TVoid)\n"
+                "   assert value is yql.Void\n");
+    }
+}