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#!/usr/bin/env python
"""Unit tests for M2Crypto.BIO.File.
Copyright (c) 1999-2002 Ng Pheng Siong. All rights reserved."""
import unittest
import M2Crypto
from M2Crypto.BIO import File, openfile
import os, sys
class FileTestCase(unittest.TestCase):
def setUp(self):
self.data = 'abcdef' * 64
if sys.platform != 'win32':
self.fname = os.tmpnam()
else:
import tempfile
self.fname = tempfile.mktemp()
def tearDown(self):
try:
os.unlink(self.fname)
except OSError:
pass
def check_openfile_rb(self):
# First create the file using Python's open().
f = open(self.fname, 'wb')
f.write(self.data)
f.close()
# Now open the file using M2Crypto.BIO.openfile().
f = openfile(self.fname, 'rb')
data = f.read(len(self.data))
assert data == self.data
def check_openfile_wb(self):
# First create the file using M2Crypto.BIO.openfile().
f = openfile(self.fname, 'wb')
f.write(self.data)
f.close()
# Now open the file using Python's open().
f = open(self.fname, 'rb')
data = f.read(len(self.data))
assert data == self.data
def check_closed(self):
f = openfile(self.fname, 'wb')
f.write(self.data)
f.close()
self.assertRaises(IOError, f.write, self.data)
def check_use_pyfile(self):
# First create the file.
f = open(self.fname, 'wb')
f2 = File(f)
f2.write(self.data)
f2.close()
# Now read the file.
f = open(self.fname, 'rb')
data = f.read(len(self.data))
assert data == self.data
def suite():
# Python 2.2 warns that os.tmpnam() is unsafe.
try:
import warnings
warnings.filterwarnings('ignore')
except ImportError:
pass
return unittest.makeSuite(FileTestCase, 'check_')
if __name__ == '__main__':
unittest.TextTestRunner().run(suite())
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