def test_field_apply_with_default_lookup_operator():
field = Field()
field.__set_name__(None, "first_name")
parent_filter = Mock(validated_data={"first_name": "test"},
Meta=Mock(model=User))
field.post_init(parent_filter)
assert compares_expressions(field.apply_filter(parent_filter),
User.first_name == "test")
def test_resolve_fk_is_not_called():
field = Field()
field.__set_name__(None, "name")
field.resolve_fk = Mock()
parent_filter = Mock()
field.post_init(parent_filter)
assert field.parent_filter is parent_filter
assert field.resolve_fk.call_count == 0
def test_resolve_fk_is_called():
field = Field()
field.__set_name__(None, "name")
field.is_foreign_key = True
field.resolve_fk = Mock()
parent_filter = Mock()
field.post_init(parent_filter)
assert field.parent_filter is parent_filter
assert field.resolve_fk.call_args_list == [call()]
