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         test_support.unlink(test_support.TESTFN)
  27         test_support.unlink(TESTFN2)
  28
  29     def compareData(self):
  30         fp = open(test_support.TESTFN, 'r')
  31         data1 = fp.read()
  32         fp.close()
  33         fp = open(TESTFN2, 'r')
  34         data2 = fp.read()
  35         fp.close()
  36         if data1 != data2:
  37             return 'Data forks differ'
  38         rfp = MacOS.openrf(test_support.TESTFN, '*rb')
  39         data1 = rfp.read(1000)
  40         rfp.close()
  41         rfp = MacOS.openrf(TESTFN2, '*rb')
  42         data2 = rfp.read(1000)
  43         rfp.close()
  44         if data1 != data2:
  45             return 'Resource forks differ'
  46         return ''
  47
  48     def test_touched(self):
  49         # This really only tests that nothing unforeseen happens.
  50         with test_support.check_warnings(('macostools.touched*',
  51                                           DeprecationWarning), quiet=True):
  52             macostools.touched(test_support.TESTFN)
  53
  54     if sys.maxint < 2**32:
  55         def test_copy(self):
  56             test_support.unlink(TESTFN2)
  57             macostools.copy(test_support.TESTFN, TESTFN2)
  58             self.assertEqual(self.compareData(), '')
  59
  60     if sys.maxint < 2**32:
  61         def test_mkalias(self):
  62             test_support.unlink(TESTFN2)
  63             macostools.mkalias(test_support.TESTFN, TESTFN2)
  64             fss, _, _ = Carbon.File.ResolveAliasFile(TESTFN2, 0)
  65             self.assertEqual(fss.as_pathname(), os.path.realpath(test_support.TESTFN))
  66
  67         def test_mkalias_relative(self):
  68             test_support.unlink(TESTFN2)
  69             # If the directory doesn't exist, then chances are this is a new
  70             # install of Python so don't create it since the user might end up
  71             # running ``sudo make install`` and creating the directory here won't
  72             # leave it with the proper permissions.
  73             if not os.path.exists(sys.prefix):
  74                 return
  75             macostools.mkalias(test_support.TESTFN, TESTFN2, sys.prefix)
  76             fss, _, _ = Carbon.File.ResolveAliasFile(TESTFN2, 0)
  77             self.assertEqual(fss.as_pathname(), os.path.realpath(test_support.TESTFN))
  78
  79
  80 def test_main():
  81     # Skip on wide unicode
  82     if len(u'\0'.encode('unicode-internal')) == 4:
  83         raise unittest.SkipTest("test_macostools is broken in USC4")
  84     test_support.run_unittest(TestMacostools)
  85
  86
  87 if __name__ == '__main__':
  88     test_main()