Add tests for utils.iter.choice.

test/test_utils.py

@@ -379,6 +379,27 @@ class IterTest(SupyTestCase):
     def testRandomChoice(self):
         choice = utils.iter.choice
         self.assertRaises(IndexError, choice, {})
+        L = [1, 2]
+        i = iter(L)
+        L1 = False
+        L2 = False
+        i1 = False
+        i2 = False
+        for n in xrange(100):
+            ans = choice(L)
+            if ans == 1:
+                L1 = True
+            else:
+                L2 = True
+            ans = choice(i)
+            if ans == 1:
+                i1 = True
+            else:
+                i2 = True
+        self.assertEqual(L1 and L2, True,
+                     'utils.iter.choice isn\'t being random with lists')
+        self.assertEqual(i1 and i2, True,
+                     'utils.iter.choice isn\'t being random with iterables')
 
 ##     def testGroup(self):
 ##         group = utils.iter.group