Merge pull request #45 from Aparna-BS/iterable_validator

Handling empty iterable case in element_type_checker().

Author: eterey

pyvalid/validators/__iterable.py

@@ -61,7 +61,7 @@ def element_type_checker(cls, val, elements_type):
             False:
                 If at least one element of the iterable is not of required type.
         """
-        valid = False
+        valid = True
         for element in val:
             valid = isinstance(element, elements_type)
             if not valid:

tests/test_iterable_validator.py

@@ -25,6 +25,7 @@ def test_elements_type(self):
         self.assertTrue(validator([1, 3, 25, 14]))
         self.assertFalse(validator([3.56, 6.4532, 65.57, 5.546]))
         self.assertFalse(validator(['CPython', 'PyPy', 'Jython', 'Cython']))
+        self.assertTrue(validator([]))  # Ignore empty
 
         validator = IterableValidator(elements_type=float)
         self.assertFalse(validator([1, 3, 25, 14]))