Validate non-string UUID types (#174)

* Validate invalid UUID types

* Check for UUID instances

* Fix import sorting

Author: Letsch22

tests/test_uuid.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from uuid import UUID
+
 import pytest
 
 from validators import uuid, ValidationFailure
@@ -11,6 +13,13 @@ def test_returns_true_on_valid_mac_address(value):
     assert uuid(value)
 
 
+@pytest.mark.parametrize(('value',), [
+    (UUID('2bc1c94f-0deb-43e9-92a1-4775189ec9f8'),),
+])
+def test_returns_true_on_valid_uuid_object(value):
+    assert uuid(value)
+
+
 @pytest.mark.parametrize(('value',), [
     ('2bc1c94f-deb-43e9-92a1-4775189ec9f8',),
     ('2bc1c94f-0deb-43e9-92a1-4775189ec9f',),
@@ -19,3 +28,13 @@ def test_returns_true_on_valid_mac_address(value):
 ])
 def test_returns_failed_validation_on_invalid_mac_address(value):
     assert isinstance(uuid(value), ValidationFailure)
+
+
+@pytest.mark.parametrize(('value',), [
+    (1,),
+    (1.0,),
+    (True,),
+    (None,),
+])
+def test_returns_failed_validation_on_invalid_types(value):
+    assert isinstance(uuid(value), ValidationFailure)

validators/uuid.py

@@ -1,4 +1,7 @@
+from __future__ import absolute_import
+
 import re
+from uuid import UUID
 
 from .utils import validator
 
@@ -28,6 +31,11 @@ def uuid(value):
 
     .. versionadded:: 0.2
 
-    :param value: UUID string to validate
+    :param value: UUID value to validate
     """
-    return pattern.match(value)
+    if isinstance(value, UUID):
+        return True
+    try:
+        return pattern.match(value)
+    except TypeError:
+        return False