Add additional tests.

mayan/apps/documents/tests/test_utils.py

@@ -0,0 +1,24 @@
+from __future__ import unicode_literals
+
+from common.tests import BaseTestCase
+
+from ..utils import parse_range
+
+
+class DocumentUtilsTestCase(BaseTestCase):
+    def test_parse_range(self):
+        self.assertEqual(
+            parse_range('1'), [1]
+        )
+
+        self.assertEqual(
+            parse_range('1-5'), [1, 2, 3, 4 ,5]
+        )
+
+        self.assertEqual(
+            parse_range('2,4,6'), [2, 4, 6]
+        )
+
+        self.assertEqual(
+            parse_range('2,4,6-8'), [2, 4, 6, 7, 8]
+        )