cpython/Lib/test/test_binhex.py

57 lines
1.5 KiB
Python

"""Test script for the binhex C module
Uses the mechanism of the python binhex module
Based on an original test by Roger E. Masse.
"""
import binhex
import os
import unittest
from test import support
class BinHexTestCase(unittest.TestCase):
def setUp(self):
self.fname1 = support.TESTFN + "1"
self.fname2 = support.TESTFN + "2"
self.fname3 = support.TESTFN + "very_long_filename__very_long_filename__very_long_filename__very_long_filename__"
def tearDown(self):
support.unlink(self.fname1)
support.unlink(self.fname2)
support.unlink(self.fname3)
DATA = b'Jack is my hero'
def test_binhex(self):
f = open(self.fname1, 'wb')
f.write(self.DATA)
f.close()
binhex.binhex(self.fname1, self.fname2)
binhex.hexbin(self.fname2, self.fname1)
f = open(self.fname1, 'rb')
finish = f.readline()
f.close()
self.assertEqual(self.DATA, finish)
def test_binhex_error_on_long_filename(self):
"""
The testcase fails if no exception is raised when a filename parameter provided to binhex.binhex()
is too long, or if the exception raised in binhex.binhex() is not an instance of binhex.Error.
"""
f3 = open(self.fname3, 'wb')
f3.close()
self.assertRaises(binhex.Error, binhex.binhex, self.fname3, self.fname2)
def test_main():
support.run_unittest(BinHexTestCase)
if __name__ == "__main__":
test_main()