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			92 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
"""Test script for the grp module."""
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import grp
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import unittest
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from test import support
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class GroupDatabaseTestCase(unittest.TestCase):
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    def check_value(self, value):
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        # check that a grp tuple has the entries and
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        # attributes promised by the docs
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        self.assertEqual(len(value), 4)
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        self.assertEqual(value[0], value.gr_name)
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        self.assert_(isinstance(value.gr_name, str))
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        self.assertEqual(value[1], value.gr_passwd)
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        self.assert_(isinstance(value.gr_passwd, str))
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        self.assertEqual(value[2], value.gr_gid)
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        self.assert_(isinstance(value.gr_gid, int))
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        self.assertEqual(value[3], value.gr_mem)
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        self.assert_(isinstance(value.gr_mem, list))
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    def test_values(self):
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        entries = grp.getgrall()
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        for e in entries:
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            self.check_value(e)
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        if len(entries) > 1000:  # Huge group file (NIS?) -- skip the rest
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            return
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        for e in entries:
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            e2 = grp.getgrgid(e.gr_gid)
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            self.check_value(e2)
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            self.assertEqual(e2.gr_gid, e.gr_gid)
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            e2 = grp.getgrnam(e.gr_name)
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            self.check_value(e2)
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            # There are instances where getgrall() returns group names in
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            # lowercase while getgrgid() returns proper casing.
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            # Discovered on Ubuntu 5.04 (custom).
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            self.assertEqual(e2.gr_name.lower(), e.gr_name.lower())
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    def test_errors(self):
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        self.assertRaises(TypeError, grp.getgrgid)
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        self.assertRaises(TypeError, grp.getgrnam)
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        self.assertRaises(TypeError, grp.getgrall, 42)
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        # try to get some errors
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        bynames = {}
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        bygids = {}
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        for (n, p, g, mem) in grp.getgrall():
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            if not n or n == '+':
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                continue # skip NIS entries etc.
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            bynames[n] = g
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            bygids[g] = n
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        allnames = list(bynames.keys())
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        namei = 0
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        fakename = allnames[namei]
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        while fakename in bynames:
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            chars = list(fakename)
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            for i in range(len(chars)):
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                if chars[i] == 'z':
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                    chars[i] = 'A'
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                    break
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                elif chars[i] == 'Z':
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                    continue
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                else:
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                    chars[i] = chr(ord(chars[i]) + 1)
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                    break
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            else:
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                namei = namei + 1
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                try:
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                    fakename = allnames[namei]
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                except IndexError:
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                    # should never happen... if so, just forget it
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                    break
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            fakename = ''.join(chars)
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        self.assertRaises(KeyError, grp.getgrnam, fakename)
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        # Choose a non-existent gid.
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        fakegid = 4127
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        while fakegid in bygids:
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            fakegid = (fakegid * 3) % 0x10000
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        self.assertRaises(KeyError, grp.getgrgid, fakegid)
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def test_main():
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    support.run_unittest(GroupDatabaseTestCase)
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if __name__ == "__main__":
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    test_main()
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