Added Document.reload method

tests/document.py

@@ -228,6 +228,24 @@ class DocumentTest(unittest.TestCase):
         self.assertEqual(person.name, "Test User")
         self.assertEqual(person.age, 30)
 
+    def test_reload(self):
+        """Ensure that attributes may be reloaded.
+        """
+        person = self.Person(name="Test User", age=20)
+        person.save()
+
+        person_obj = self.Person.objects.first()
+        person_obj.name = "Mr Test User"
+        person_obj.age = 21
+        person_obj.save()
+
+        self.assertEqual(person.name, "Test User")
+        self.assertEqual(person.age, 20)
+
+        person.reload()
+        self.assertEqual(person.name, "Mr Test User")
+        self.assertEqual(person.age, 21)
+
     def test_dictionary_access(self):
         """Ensure that dictionary-style field access works properly.
         """