[Python-checkins] cpython (merge 3.2 -> default): Issue #9239: add tests for modifying zipfile comments in append mode.

[antoine.pitrou]

http://hg.python.org/cpython/rev/b299b4279e13
changeset:   77874:b299b4279e13
parent:      77871:b0605b34b2de
parent:      77873:e13c9f99fbae
user:        Antoine Pitrou <solipsis at pitrou.net>
date:        Sat Jun 30 17:32:41 2012 +0200
summary:
  Issue #9239: add tests for modifying zipfile comments in append mode.

files:
  Lib/test/test_zipfile.py |  18 ++++++++++++++++++
  1 files changed, 18 insertions(+), 0 deletions(-)


diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -1134,6 +1134,24 @@
         with zipfile.ZipFile(TESTFN, mode="r") as zipfr:
             self.assertEqual(zipfr.comment, comment2)
 
+        # check that comments are correctly modified in append mode
+        with zipfile.ZipFile(TESTFN,mode="w") as zipf:
+            zipf.comment = b"original comment"
+            zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+        with zipfile.ZipFile(TESTFN,mode="a") as zipf:
+            zipf.comment = b"an updated comment"
+        with zipfile.ZipFile(TESTFN,mode="r") as zipf:
+            self.assertEqual(zipf.comment, b"an updated comment")
+
+        # check that comments are correctly shortened in append mode
+        with zipfile.ZipFile(TESTFN,mode="w") as zipf:
+            zipf.comment = b"original comment that's longer"
+            zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+        with zipfile.ZipFile(TESTFN,mode="a") as zipf:
+            zipf.comment = b"shorter comment"
+        with zipfile.ZipFile(TESTFN,mode="r") as zipf:
+            self.assertEqual(zipf.comment, b"shorter comment")
+
     def test_unicode_comment(self):
         with zipfile.ZipFile(TESTFN, "w", zipfile.ZIP_STORED) as zipf:
             zipf.writestr("foo.txt", "O, for a Muse of Fire!")

-- 
Repository URL: http://hg.python.org/cpython