/Lib/test/test_macostools.py

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