test that from_vector(BinaryVector(), dtype=...) raises an error

Author: caseyclements

test/test_bson.py

@@ -802,6 +802,13 @@ def test_vector(self):
         assert float_binary == Binary.from_vector(
             BinaryVector(list_vector, BinaryVectorDtype.FLOAT32)
         )
+        # Confirm kwargs cannot be passed when BinaryVector is provided
+        self.assertRaises(
+            ValueError,
+            Binary.from_vector,
+            BinaryVector(list_vector, BinaryVectorDtype.PACKED_BIT, padding),
+            {"dtype": BinaryVectorDtype.PACKED_BIT},
+        )
 
     def test_unicode_regex(self):
         """Tests we do not get a segfault for C extension on unicode RegExs.