Update tests

Author: blink1073

bindings/python/test/test_arrow.py

@@ -593,7 +593,7 @@ def test_auto_schema_first_list_null(self):
         ]
         expected = pa.Table.from_pylist(
             [
-                {"a": []},
+                {"a": None},
                 {"a": ["str"]},
                 {"a": []},
             ]
@@ -623,7 +623,7 @@ def test_auto_schema_first_list_element_null(self):
         ]
         expected = pa.Table.from_pylist(
             [
-                {"a": []},
+                {"a": None},
                 {"a": ["str"]},  # Inferred schema should use the first non-null element.
                 {"a": []},
             ]
@@ -638,7 +638,7 @@ def test_auto_schema_first_embedded_list_null(self):
         ]
         expected = pa.Table.from_pylist(
             [
-                {"a": {"b": []}},
+                {"a": {"b": None}},
                 {"a": {"b": ["str"]}},
                 {"a": {"b": []}},
             ]

bindings/python/test/test_builders.py

@@ -177,7 +177,7 @@ def test_simple(self):
         builder.append_count()
         builder.append_null()
         arr = builder.finish()
-        assert arr.to_pylist() == [0, 2, 2, 5, 5]
+        assert arr.to_pylist() == [0, None, 2, None, 5]
 
 
 class TestBuilderManager(TestCase):
@@ -227,15 +227,15 @@ def test_nested_object(self):
         assert array_map["c.c"].to_pylist() == [None, None, None, None, 1.0]
         assert array_map["f"].to_pylist() == [None, None, None, None, None]
         # List with a null in the middle.
-        assert array_map["c.d"].to_pylist() == [0, 1, 2, 3, 3, 4]
+        assert array_map["c.d"].to_pylist() == [0, 1, 2, None, 3, 4]
         assert array_map["c.d[]"].to_pylist() == [1.4, 1.4, 1.4, 1.4]
         # Regular item with a null in the middle.
         assert array_map["c.b"].to_pylist() == ["1", "1", "1", None, "1"]
         # Nested object ids are object ids.
         obj = array_map["c.e"].to_pylist()[0]
         assert isinstance(obj, ObjectId)
         # Lists can contain objects.
-        assert array_map["g[].a"].to_pylist() == [1, 1, 1, None, None]
+        assert array_map["g[].a"].to_pylist() == [1, 1, 1]
 
 
 class TestBinaryBuilder(TestCase):