New optoin --restrict-filenames

test/test_utils.py

@@ -30,11 +30,34 @@ class TestUtil(unittest.TestCase):
 		self.assertEqual(u'yes no', sanitize_filename(u'yes? no'))
 		self.assertEqual(u'this - that', sanitize_filename(u'this: that'))
 
+		self.assertEqual(sanitize_filename(u'AT&T'), u'AT&T')
 		self.assertEqual(sanitize_filename(u'ä'), u'ä')
 		self.assertEqual(sanitize_filename(u'кириллица'), u'кириллица')
 
-		for forbidden in u'"\0\\/':
-			self.assertTrue(forbidden not in sanitize_filename(forbidden))
+		forbidden = u'"\0\\/'
+		for fc in forbidden:
+			for fbc in forbidden:
+				self.assertTrue(fbc not in sanitize_filename(fc))
+
+	def test_sanitize_filename_restricted(self):
+		self.assertEqual(sanitize_filename(u'abc', restricted=True), u'abc')
+		self.assertEqual(sanitize_filename(u'abc_d-e', restricted=True), u'abc_d-e')
+
+		self.assertEqual(sanitize_filename(u'123', restricted=True), u'123')
+
+		self.assertEqual(u'abc-de', sanitize_filename(u'abc/de', restricted=True))
+		self.assertFalse(u'/' in sanitize_filename(u'abc/de///', restricted=True))
+
+		self.assertEqual(u'abc-de', sanitize_filename(u'abc/<>\\*|de', restricted=True))
+		self.assertEqual(u'xxx', sanitize_filename(u'xxx/<>\\*|', restricted=True))
+		self.assertEqual(u'yes_no', sanitize_filename(u'yes? no', restricted=True))
+		self.assertEqual(u'this_-_that', sanitize_filename(u'this: that', restricted=True))
+
+		forbidden = u'"\0\\/&: \'\t\n'
+		for fc in forbidden:
+			print('input: ' + fc + ', result: ' + repr(sanitize_filename(fc, restricted=True)))
+			for fbc in forbidden:
+				self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 
 	def test_ordered_set(self):
 		self.assertEqual(orderedSet([1,1,2,3,4,4,5,6,7,3,5]), [1,2,3,4,5,6,7])