fix integration tests

alan-gauthier-jt · alan-gauthier-jt · commit 828cd23cc7db · 2026-06-02T12:22:27.000+02:00
Signed-off-by: Alan Gauthier &lt;alan.gauthier@jobteaser.com&gt;
diff --git a/sdk/python/feast/type_map.py b/sdk/python/feast/type_map.py
@@ -897,8 +897,6 @@ def _sanitize_list_value(value: Any, feast_value_type: ValueType) -> Any:
     """
     if isinstance(value, np.ndarray):
         value = value.tolist()
-        if isinstance(value, list) and len(value) == 0:
-            return None
     none_default = _LIST_NONE_DEFAULTS.get(feast_value_type)
     if none_default is not None and isinstance(value, list):
         value = [none_default if v is None else v for v in value]
diff --git a/sdk/python/tests/unit/test_type_map.py b/sdk/python/tests/unit/test_type_map.py
@@ -87,6 +87,9 @@ def test_python_values_to_proto_values_bool(values):
         (np.array([None]), ValueType.BYTES_LIST, None),
         (np.array([None]), ValueType.STRING_LIST, None),
         (np.array([None]), ValueType.UNIX_TIMESTAMP_LIST, None),
+        ([np.array([], dtype=np.int32)], ValueType.INT32_LIST, []),
+        ([np.array([], dtype=np.float32)], ValueType.FLOAT_LIST, []),
+        ([np.array([], dtype=np.bool_)], ValueType.BOOL_LIST, []),
         ([b"[1,2,3]"], ValueType.INT64_LIST, [1, 2, 3]),
         ([b"[1,2,3]"], ValueType.INT32_LIST, [1, 2, 3]),
         ([b"[1.5,2.5,3.5]"], ValueType.FLOAT_LIST, [1.5, 2.5, 3.5]),
@@ -2094,12 +2097,12 @@ def test_sanitize_list_value_ndarray(self):
         assert isinstance(result, list)
 
     def test_sanitize_list_value_empty_ndarray(self):
-        """Empty ndarray is converted to None (treated as a missing row)."""
+        """Empty ndarray is converted to an empty Python list."""
         from feast.type_map import _sanitize_list_value
 
         arr = np.array([], dtype=object)
         result = _sanitize_list_value(arr, ValueType.STRING_LIST)
-        assert result is None
+        assert result == []
 
     def test_sanitize_list_value_ndarray_with_none(self):
         """None elements inside a STRING_LIST ndarray are replaced with empty string."""
