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      1 #! /usr/bin/env python

      2 """Test script for the anydbm module
      3    based on testdumbdbm.py
      4 """
      5 
      6 import os
      7 import unittest
      8 import glob
      9 from test import test_support
     10 
     11 _fname = test_support.TESTFN
     12 
     13 # Silence Py3k warning

     14 anydbm = test_support.import_module('anydbm', deprecated=True)
     15 
     16 def _delete_files():
     17     # we don't know the precise name the underlying database uses

     18     # so we use glob to locate all names

     19     for f in glob.glob(_fname + "*"):
     20         try:
     21             os.unlink(f)
     22         except OSError:
     23             pass
     24 
     25 class AnyDBMTestCase(unittest.TestCase):
     26     _dict = {'0': '',
     27              'a': 'Python:',
     28              'b': 'Programming',
     29              'c': 'the',
     30              'd': 'way',
     31              'f': 'Guido',
     32              'g': 'intended'
     33              }
     34 
     35     def __init__(self, *args):
     36         unittest.TestCase.__init__(self, *args)
     37 
     38     def test_anydbm_creation(self):
     39         f = anydbm.open(_fname, 'c')
     40         self.assertEqual(f.keys(), [])
     41         for key in self._dict:
     42             f[key] = self._dict[key]
     43         self.read_helper(f)
     44         f.close()
     45 
     46     def test_anydbm_modification(self):
     47         self.init_db()
     48         f = anydbm.open(_fname, 'c')
     49         self._dict['g'] = f['g'] = "indented"
     50         self.read_helper(f)
     51         f.close()
     52 
     53     def test_anydbm_read(self):
     54         self.init_db()
     55         f = anydbm.open(_fname, 'r')
     56         self.read_helper(f)
     57         f.close()
     58 
     59     def test_anydbm_keys(self):
     60         self.init_db()
     61         f = anydbm.open(_fname, 'r')
     62         keys = self.keys_helper(f)
     63         f.close()
     64 
     65     def read_helper(self, f):
     66         keys = self.keys_helper(f)
     67         for key in self._dict:
     68             self.assertEqual(self._dict[key], f[key])
     69 
     70     def init_db(self):
     71         f = anydbm.open(_fname, 'n')
     72         for k in self._dict:
     73             f[k] = self._dict[k]
     74         f.close()
     75 
     76     def keys_helper(self, f):
     77         keys = f.keys()
     78         keys.sort()
     79         dkeys = self._dict.keys()
     80         dkeys.sort()
     81         self.assertEqual(keys, dkeys)
     82         return keys
     83 
     84     def tearDown(self):
     85         _delete_files()
     86 
     87     def setUp(self):
     88         _delete_files()
     89 
     90 def test_main():
     91     try:
     92         test_support.run_unittest(AnyDBMTestCase)
     93     finally:
     94         _delete_files()
     95 
     96 if __name__ == "__main__":
     97     test_main()
     98