X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=blobdiff_plain;f=test%2Ftest_utils.py;fp=test%2Ftest_utils.py;h=71980b3fcd80f0714c30c028eec5d3ee38c18348;hp=9ef0e422b8afc0eeefc2e1a9073a7793a54420a9;hb=53cd37bac50e7a927deba5b67a4412301b96230d;hpb=f856816b940d95e995c2b9995d01097ab144a1af

diff --git a/test/test_utils.py b/test/test_utils.py
index 9ef0e422b..71980b3fc 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -73,6 +73,7 @@ from youtube_dl.utils import (
     smuggle_url,
     str_to_int,
     strip_jsonp,
+    strip_or_none,
     timeconvert,
     unescapeHTML,
     unified_strdate,
@@ -752,6 +753,18 @@ class TestUtil(unittest.TestCase):
         d = json.loads(stripped)
         self.assertEqual(d, {'status': 'success'})
 
+    def test_strip_or_none(self):
+        self.assertEqual(strip_or_none(' abc'), 'abc')
+        self.assertEqual(strip_or_none('abc '), 'abc')
+        self.assertEqual(strip_or_none(' abc '), 'abc')
+        self.assertEqual(strip_or_none('\tabc\t'), 'abc')
+        self.assertEqual(strip_or_none('\n\tabc\n\t'), 'abc')
+        self.assertEqual(strip_or_none('abc'), 'abc')
+        self.assertEqual(strip_or_none(''), '')
+        self.assertEqual(strip_or_none(None), None)
+        self.assertEqual(strip_or_none(42), None)
+        self.assertEqual(strip_or_none([]), None)
+
     def test_uppercase_escape(self):
         self.assertEqual(uppercase_escape('aä'), 'aä')
         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')