commit a62ad4730c9b575f140f24074656c0257c86a09a
author Matthew Rollings <1211162+stealthcopter@users.noreply.github.com> Mon Dec 02 22:25:21 2019 +0000
committer Guido van Rossum <guido@python.org> Mon Dec 02 14:25:21 2019 -0800
tree 2fe5664ba3d3bf745bda95c2539e4c25e3535380
parent 016b0280b8a97bc26e97c6a8dd5fb8fad5fe72e4

bpo-38945: UU Encoding: Don't let newline in filename corrupt the output format (#17418)

Lib/test/test_uu.py

diff --git a/Lib/test/test_uu.py b/Lib/test/test_uu.py
index c9f05e5..c8709f7 100644
--- a/Lib/test/test_uu.py
+++ b/Lib/test/test_uu.py
@@ -136,6 +136,15 @@
                 decoded = codecs.decode(encodedtext, "uu_codec")
                 self.assertEqual(decoded, plaintext)
 
+    def test_newlines_escaped(self):
+        # Test newlines are escaped with uu.encode
+        inp = io.BytesIO(plaintext)
+        out = io.BytesIO()
+        filename = "test.txt\n\roverflow.txt"
+        safefilename = b"test.txt\\n\\roverflow.txt"
+        uu.encode(inp, out, filename)
+        self.assertIn(safefilename, out.getvalue())
+
 class UUStdIOTest(unittest.TestCase):
 
     def setUp(self):