def test_invalid_currency(self):
"""Test failure while handling invalid cost_type."""
currency = "invalid"
serializer = CostModelSerializer(data=self.ocp_data,
context=self.request_context)
with self.assertRaises(serializers.ValidationError):
serializer.validate_currency(currency)
def currency_filter(self, qs, name, values):
"""Filter currency if a valid currency is passed in"""
serializer = CostModelSerializer(qs)
if serializer.validate_currency(values[0]):
lookup = "__".join([name, "iexact"])
queries = [Q(**{lookup: val}) for val in values]
return qs.filter(reduce(and_, queries))
