Changeset 6569

Timestamp:

10/20/07 08:40:20 (11 months ago)

Author:

mtredinnick

Message:

Fixed #5475 -- Added the Luhn check algorithm to django.utils.checksums so that
localflavors don't have to reimplement it each time. Thanks, hawkeye.

Files:

• django/trunk/django/utils/checksums.py (added)
• django/trunk/tests/regressiontests/utils/tests.py (modified) (2 diffs)

django/trunk/tests/regressiontests/utils/tests.py

@@ -5 +5 @@
-from unittest import TestCase
-
-
+, checksums
-
-from timesince import timesince_tests
@@ -117 +117 @@
-            self.check_output(f, value, output)
-
+class TestUtilsChecksums(TestCase):
+
+    def check_output(self, function, value, output=None):
+        """
+        Check that function(value) equals output.  If output is None,
+        check that function(value) equals value.
+        """
+        if output is None:
+            output = value
+        self.assertEqual(function(value), output)
+
+    def test_luhn(self):
+        f = checksums.luhn
+        items = (
+            (4111111111111111, True), ('4111111111111111', True),
+            (4222222222222, True), (378734493671000, True),
+            (5424000000000015, True), (5555555555554444, True),
+            (1008, True), ('0000001008', True), ('000000001008', True),
+            (4012888888881881, True), (1234567890123456789012345678909, True),
+            (4111111111211111, False), (42222222222224, False),
+            (100, False), ('100', False), ('0000100', False),
+            ('abc', False), (None, False), (object(), False),
+        )
+        for value, output in items:
+            self.check_output(f, value, output)
+
-__test__ = {
-    'timesince_tests': timesince_tests,