lib/tdb/python/tests/simple.py

   1 #!/usr/bin/env python
   2 # Some simple tests for the Python bindings for TDB
   3 # Note that this tests the interface of the Python bindings
   4 # It does not test tdb itself.
   5 #
   6 # Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
   7 # Published under the GNU LGPLv3 or later
   8
   9 import tdb
  10 from unittest import TestCase
  11 import os, tempfile
  12
  13
  14 class OpenTdbTests(TestCase):
  15     def test_nonexistant_read(self):
  16         self.assertRaises(IOError, tdb.Tdb, "/some/nonexistant/file", 0, tdb.DEFAULT, os.O_RDWR)
  17
  18 class CloseTdbTests(TestCase):
  19     def test_double_close(self):
  20         self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT, os.O_CREAT|os.O_RDWR)
  21         self.assertNotEqual(None, self.tdb)
  22
  23         # ensure that double close does not crash python
  24         self.tdb.close()
  25         self.tdb.close()
  26
  27
  28 class InternalTdbTests(TestCase):
  29     def test_repr(self):
  30         self.tdb = tdb.Tdb("whatever", tdb_flags=tdb.INTERNAL)
  31
  32         # repr used to crash on internal db
  33         self.assertEquals(repr(self.tdb), "Tdb('<internal>')")
  34
  35
  36 class SimpleTdbTests(TestCase):
  37     def setUp(self):
  38         super(SimpleTdbTests, self).setUp()
  39         self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT, os.O_CREAT|os.O_RDWR)
  40         self.assertNotEqual(None, self.tdb)
  41
  42     def tearDown(self):
  43         del self.tdb
  44
  45     def test_repr(self):
  46         self.assertTrue(repr(self.tdb).startswith("Tdb('"))
  47
  48     def test_lockall(self):
  49         self.tdb.lock_all()
  50
  51     def test_max_dead(self):
  52         self.tdb.max_dead = 20
  53
  54     def test_unlockall(self):
  55         self.tdb.lock_all()
  56         self.tdb.unlock_all()
  57
  58     def test_lockall_read(self):
  59         self.tdb.read_lock_all()
  60         self.tdb.read_unlock_all()
  61
  62     def test_reopen(self):
  63         self.tdb.reopen()
  64
  65     def test_store(self):
  66         self.tdb.store("bar", "bla")
  67         self.assertEquals("bla", self.tdb.get("bar"))
  68
  69     def test_getitem(self):
  70         self.tdb["bar"] = "foo"
  71         self.tdb.reopen()
  72         self.assertEquals("foo", self.tdb["bar"])
  73
  74     def test_delete(self):
  75         self.tdb["bar"] = "foo"
  76         del self.tdb["bar"]
  77         self.assertRaises(KeyError, lambda: self.tdb["bar"])
  78
  79     def test_contains(self):
  80         self.tdb["bla"] = "bloe"
  81         self.assertTrue("bla" in self.tdb)
  82
  83     def test_keyerror(self):
  84         self.assertRaises(KeyError, lambda: self.tdb["bla"])
  85
  86     def test_hash_size(self):
  87         self.tdb.hash_size
  88
  89     def test_map_size(self):
  90         self.tdb.map_size
  91
  92     def test_name(self):
  93         self.tdb.filename
  94
  95     def test_iterator(self):
  96         self.tdb["bla"] = "1"
  97         self.tdb["brainslug"] = "2"
  98         self.assertEquals(["bla", "brainslug"], list(self.tdb))
  99
 100     def test_transaction_cancel(self):
 101         self.tdb["bloe"] = "2"
 102         self.tdb.transaction_start()
 103         self.tdb["bloe"] = "1"
 104         self.tdb.transaction_cancel()
 105         self.assertEquals("2", self.tdb["bloe"])
 106
 107     def test_transaction_commit(self):
 108         self.tdb["bloe"] = "2"
 109         self.tdb.transaction_start()
 110         self.tdb["bloe"] = "1"
 111         self.tdb.transaction_commit()
 112         self.assertEquals("1", self.tdb["bloe"])
 113
 114     def test_transaction_prepare_commit(self):
 115         self.tdb["bloe"] = "2"
 116         self.tdb.transaction_start()
 117         self.tdb["bloe"] = "1"
 118         self.tdb.transaction_prepare_commit()
 119         self.tdb.transaction_commit()
 120         self.assertEquals("1", self.tdb["bloe"])
 121
 122     def test_iterator(self):
 123         self.tdb["bloe"] = "2"
 124         self.tdb["bla"] = "hoi"
 125         i = iter(self.tdb)
 126         self.assertEquals(set(["bloe", "bla"]), set([i.next(), i.next()]))
 127
 128     def test_iterkeys(self):
 129         self.tdb["bloe"] = "2"
 130         self.tdb["bla"] = "25"
 131         i = self.tdb.iterkeys()
 132         self.assertEquals(set(["bloe", "bla"]), set([i.next(), i.next()]))
 133
 134     def test_clear(self):
 135         self.tdb["bloe"] = "2"
 136         self.tdb["bla"] = "25"
 137         self.assertEquals(2, len(list(self.tdb)))
 138         self.tdb.clear()
 139         self.assertEquals(0, len(list(self.tdb)))
 140
 141     def test_seqnum(self):
 142         self.tdb.enable_seqnum()
 143         seq1 = self.tdb.seqnum
 144         self.tdb.increment_seqnum_nonblock()
 145         seq2 = self.tdb.seqnum
 146         self.assertEquals(seq2-seq1, 1)
 147
 148     def test_len(self):
 149         self.assertEquals(0, len(list(self.tdb)))
 150         self.tdb["entry"] = "value"
 151         self.assertEquals(1, len(list(self.tdb)))
 152
 153     def test_add_flags(self):
 154         self.tdb.add_flags(tdb.NOMMAP)
 155         self.tdb.remove_flags(tdb.NOMMAP)
 156
 157
 158 if __name__ == '__main__':
 159     import unittest
 160     unittest.TestProgram()