Lib/test/test_macostools.py

   1 # Copyright (C) 2003 Python Software Foundation
   2
   3 import unittest
   4 import os
   5 import sys
   6 from test import test_support
   7
   8 MacOS = test_support.import_module('MacOS')
   9 #The following modules should exist if MacOS exists.
  10 import Carbon.File
  11 import macostools
  12
  13 TESTFN2 = test_support.TESTFN + '2'
  14
  15 class TestMacostools(unittest.TestCase):
  16
  17     def setUp(self):
  18         fp = open(test_support.TESTFN, 'w')
  19         fp.write('hello world\n')
  20         fp.close()
  21         rfp = MacOS.openrf(test_support.TESTFN, '*wb')
  22         rfp.write('goodbye world\n')
  23         rfp.close()
  24
  25     def tearDown(self):
  26         try:
  27             os.unlink(test_support.TESTFN)
  28         except:
  29             pass
  30         try:
  31             os.unlink(TESTFN2)
  32         except:
  33             pass
  34
  35     def compareData(self):
  36         fp = open(test_support.TESTFN, 'r')
  37         data1 = fp.read()
  38         fp.close()
  39         fp = open(TESTFN2, 'r')
  40         data2 = fp.read()
  41         fp.close()
  42         if data1 != data2:
  43             return 'Data forks differ'
  44         rfp = MacOS.openrf(test_support.TESTFN, '*rb')
  45         data1 = rfp.read(1000)
  46         rfp.close()
  47         rfp = MacOS.openrf(TESTFN2, '*rb')
  48         data2 = rfp.read(1000)
  49         rfp.close()
  50         if data1 != data2:
  51             return 'Resource forks differ'
  52         return ''
  53
  54     def test_touched(self):
  55         # This really only tests that nothing unforeseen happens.
  56         import warnings
  57         with warnings.catch_warnings():
  58             warnings.filterwarnings('ignore', 'macostools.touched*',
  59                                     DeprecationWarning)
  60             macostools.touched(test_support.TESTFN)
  61
  62     def test_copy(self):
  63         try:
  64             os.unlink(TESTFN2)
  65         except:
  66             pass
  67         macostools.copy(test_support.TESTFN, TESTFN2)
  68         self.assertEqual(self.compareData(), '')
  69
  70     def test_mkalias(self):
  71         try:
  72             os.unlink(TESTFN2)
  73         except:
  74             pass
  75         macostools.mkalias(test_support.TESTFN, TESTFN2)
  76         fss, _, _ = Carbon.File.ResolveAliasFile(TESTFN2, 0)
  77         self.assertEqual(fss.as_pathname(), os.path.realpath(test_support.TESTFN))
  78
  79     def test_mkalias_relative(self):
  80         try:
  81             os.unlink(TESTFN2)
  82         except:
  83             pass
  84         # If the directory doesn't exist, then chances are this is a new
  85         # install of Python so don't create it since the user might end up
  86         # running ``sudo make install`` and creating the directory here won't
  87         # leave it with the proper permissions.
  88         if not os.path.exists(sys.prefix):
  89             return
  90         macostools.mkalias(test_support.TESTFN, TESTFN2, sys.prefix)
  91         fss, _, _ = Carbon.File.ResolveAliasFile(TESTFN2, 0)
  92         self.assertEqual(fss.as_pathname(), os.path.realpath(test_support.TESTFN))
  93
  94
  95 def test_main():
  96     # Skip on wide unicode
  97     if len(u'\0'.encode('unicode-internal')) == 4:
  98         raise unittest.SkipTest("test_macostools is broken in USC4")
  99     test_support.run_unittest(TestMacostools)
 100
 101
 102 if __name__ == '__main__':
 103     test_main()