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      1 import netrc, os, unittest, sys, textwrap
      2 from test import test_support
      3 
      4 temp_filename = test_support.TESTFN
      5 
      6 class NetrcTestCase(unittest.TestCase):
      7 
      8     def make_nrc(self, test_data):
      9         test_data = textwrap.dedent(test_data)
     10         mode = 'w'
     11         if sys.platform != 'cygwin':
     12             mode += 't'
     13         with open(temp_filename, mode) as fp:
     14             fp.write(test_data)
     15         self.addCleanup(os.unlink, temp_filename)
     16         return netrc.netrc(temp_filename)
     17 
     18     def test_default(self):
     19         nrc = self.make_nrc("""\
     20             machine host1.domain.com login log1 password pass1 account acct1
     21             default login log2 password pass2
     22             """)
     23         self.assertEqual(nrc.hosts['host1.domain.com'],
     24                          ('log1', 'acct1', 'pass1'))
     25         self.assertEqual(nrc.hosts['default'], ('log2', None, 'pass2'))
     26 
     27     def test_macros(self):
     28         nrc = self.make_nrc("""\
     29             macdef macro1
     30             line1
     31             line2
     32 
     33             macdef macro2
     34             line3
     35             line4
     36             """)
     37         self.assertEqual(nrc.macros, {'macro1': ['line1\n', 'line2\n'],
     38                                       'macro2': ['line3\n', 'line4\n']})
     39 
     40     def _test_passwords(self, nrc, passwd):
     41         nrc = self.make_nrc(nrc)
     42         self.assertEqual(nrc.hosts['host.domain.com'], ('log', 'acct', passwd))
     43 
     44     def test_password_with_leading_hash(self):
     45         self._test_passwords("""\
     46             machine host.domain.com login log password #pass account acct
     47             """, '#pass')
     48 
     49     def test_password_with_trailing_hash(self):
     50         self._test_passwords("""\
     51             machine host.domain.com login log password pass# account acct
     52             """, 'pass#')
     53 
     54     def test_password_with_internal_hash(self):
     55         self._test_passwords("""\
     56             machine host.domain.com login log password pa#ss account acct
     57             """, 'pa#ss')
     58 
     59     def _test_comment(self, nrc, passwd='pass'):
     60         nrc = self.make_nrc(nrc)
     61         self.assertEqual(nrc.hosts['foo.domain.com'], ('bar', None, passwd))
     62         self.assertEqual(nrc.hosts['bar.domain.com'], ('foo', None, 'pass'))
     63 
     64     def test_comment_before_machine_line(self):
     65         self._test_comment("""\
     66             # comment
     67             machine foo.domain.com login bar password pass
     68             machine bar.domain.com login foo password pass
     69             """)
     70 
     71     def test_comment_before_machine_line_no_space(self):
     72         self._test_comment("""\
     73             #comment
     74             machine foo.domain.com login bar password pass
     75             machine bar.domain.com login foo password pass
     76             """)
     77 
     78     def test_comment_before_machine_line_hash_only(self):
     79         self._test_comment("""\
     80             #
     81             machine foo.domain.com login bar password pass
     82             machine bar.domain.com login foo password pass
     83             """)
     84 
     85     def test_comment_at_end_of_machine_line(self):
     86         self._test_comment("""\
     87             machine foo.domain.com login bar password pass # comment
     88             machine bar.domain.com login foo password pass
     89             """)
     90 
     91     def test_comment_at_end_of_machine_line_no_space(self):
     92         self._test_comment("""\
     93             machine foo.domain.com login bar password pass #comment
     94             machine bar.domain.com login foo password pass
     95             """)
     96 
     97     def test_comment_at_end_of_machine_line_pass_has_hash(self):
     98         self._test_comment("""\
     99             machine foo.domain.com login bar password #pass #comment
    100             machine bar.domain.com login foo password pass
    101             """, '#pass')
    102 
    103 
    104     @unittest.skipUnless(os.name == 'posix', 'POSIX only test')
    105     def test_security(self):
    106         # This test is incomplete since we are normally not run as root and
    107         # therefore can't test the file ownership being wrong.
    108         d = test_support.TESTFN
    109         os.mkdir(d)
    110         self.addCleanup(test_support.rmtree, d)
    111         fn = os.path.join(d, '.netrc')
    112         with open(fn, 'wt') as f:
    113             f.write("""\
    114                 machine foo.domain.com login bar password pass
    115                 default login foo password pass
    116                 """)
    117         with test_support.EnvironmentVarGuard() as environ:
    118             environ.set('HOME', d)
    119             os.chmod(fn, 0600)
    120             nrc = netrc.netrc()
    121             self.assertEqual(nrc.hosts['foo.domain.com'],
    122                              ('bar', None, 'pass'))
    123             os.chmod(fn, 0o622)
    124             self.assertRaises(netrc.NetrcParseError, netrc.netrc)
    125 
    126 def test_main():
    127     test_support.run_unittest(NetrcTestCase)
    128 
    129 if __name__ == "__main__":
    130     test_main()
    131