8888ciBUQUgKdHJnZ3JrZyB6cmZmbnRyIHBuZ255YnQgeXZvZW5lbC4AYmFjb24Ad2luayB3aW5rAA==
8989'''
9090
91+ # Corrupt .mo file
92+ # Generated from
93+ #
94+ # msgid "foo"
95+ # msgstr "bar"
96+ #
97+ # with msgfmt --no-hash
98+ #
99+ # The translation offset is changed to 0xFFFFFFFF,
100+ # making it larger than the file size, which should
101+ # raise an error when parsing.
102+ GNU_MO_DATA_CORRUPT = base64 .b64encode (bytes ([
103+ 0xDE ,0x12 ,0x04 ,0x95 ,# Magic
104+ 0x00 ,0x00 ,0x00 ,0x00 ,# Version
105+ 0x01 ,0x00 ,0x00 ,0x00 ,# Message count
106+ 0x1C ,0x00 ,0x00 ,0x00 ,# Message offset
107+ 0x24 ,0x00 ,0x00 ,0x00 ,# Translation offset
108+ 0x00 ,0x00 ,0x00 ,0x00 ,# Hash table size
109+ 0x2C ,0x00 ,0x00 ,0x00 ,# Hash table offset
110+ 0x03 ,0x00 ,0x00 ,0x00 ,# 1st message length
111+ 0x2C ,0x00 ,0x00 ,0x00 ,# 1st message offset
112+ 0x03 ,0x00 ,0x00 ,0x00 ,# 1st trans length
113+ 0xFF ,0xFF ,0xFF ,0xFF ,# 1st trans offset (Modified to make it invalid)
114+ 0x66 ,0x6F ,0x6F ,0x00 ,# Message data
115+ 0x62 ,0x61 ,0x72 ,0x00 ,# Message data
116+ ]))
91117
92118UMO_DATA = b'''\
93119
115141MOFILE_BAD_MAGIC_NUMBER = os .path .join (LOCALEDIR ,'gettext_bad_magic_number.mo' )
116142MOFILE_BAD_MAJOR_VERSION = os .path .join (LOCALEDIR ,'gettext_bad_major_version.mo' )
117143MOFILE_BAD_MINOR_VERSION = os .path .join (LOCALEDIR ,'gettext_bad_minor_version.mo' )
144+ MOFILE_CORRUPT = os .path .join (LOCALEDIR ,'gettext_corrupt.mo' )
118145UMOFILE = os .path .join (LOCALEDIR ,'ugettext.mo' )
119146MMOFILE = os .path .join (LOCALEDIR ,'metadata.mo' )
120147
@@ -139,6 +166,8 @@ def setUpClass(cls):
139166fp .write (base64 .decodebytes (GNU_MO_DATA_BAD_MAJOR_VERSION ))
140167with open (MOFILE_BAD_MINOR_VERSION ,'wb' )as fp :
141168fp .write (base64 .decodebytes (GNU_MO_DATA_BAD_MINOR_VERSION ))
169+ with open (MOFILE_CORRUPT ,'wb' )as fp :
170+ fp .write (base64 .decodebytes (GNU_MO_DATA_CORRUPT ))
142171with open (UMOFILE ,'wb' )as fp :
143172fp .write (base64 .decodebytes (UMO_DATA ))
144173with open (MMOFILE ,'wb' )as fp :
@@ -254,6 +283,16 @@ def test_bad_minor_version(self):
254283# Check that no error is thrown with a bad minor version number
255284gettext .GNUTranslations (fp )
256285
286+ def test_corrupt_file (self ):
287+ with open (MOFILE_CORRUPT ,'rb' )as fp :
288+ with self .assertRaises (OSError )as cm :
289+ gettext .GNUTranslations (fp )
290+
291+ exception = cm .exception
292+ self .assertEqual (exception .errno ,0 )
293+ self .assertEqual (exception .strerror ,"File is corrupt" )
294+ self .assertEqual (exception .filename ,MOFILE_CORRUPT )
295+
257296def test_some_translations (self ):
258297eq = self .assertEqual
259298# test some translations