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
  16     def test_nonexistant_read(self):
  17         self.assertRaises(IOError, tdb.Tdb, "/some/nonexistant/file", 0,
  18                 tdb.DEFAULT, os.O_RDWR)
  19
  20 class CloseTdbTests(TestCase):
  21
  22     def test_double_close(self):
  23         self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT,
  24                 os.O_CREAT|os.O_RDWR)
  25         self.assertNotEqual(None, self.tdb)
  26
  27         # ensure that double close does not crash python
  28         self.tdb.close()
  29         self.tdb.close()
  30
  31
  32 class InternalTdbTests(TestCase):
  33
  34     def test_repr(self):
  35         self.tdb = tdb.Tdb()
  36
  37         # repr used to crash on internal db
  38         self.assertEquals(repr(self.tdb), "Tdb(<internal>)")
  39
  40
  41 class SimpleTdbTests(TestCase):
  42
  43     def setUp(self):
  44         super(SimpleTdbTests, self).setUp()
  45         self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT,
  46                 os.O_CREAT|os.O_RDWR)
  47         self.assertNotEqual(None, self.tdb)
  48
  49     def tearDown(self):
  50         del self.tdb
  51
  52     def test_repr(self):
  53         self.assertTrue(repr(self.tdb).startswith("Tdb('"))
  54
  55     def test_lockall(self):
  56         self.tdb.lock_all()
  57
  58     def test_max_dead(self):
  59         self.tdb.max_dead = 20
  60
  61     def test_unlockall(self):
  62         self.tdb.lock_all()
  63         self.tdb.unlock_all()
  64
  65     def test_lockall_read(self):
  66         self.tdb.read_lock_all()
  67         self.tdb.read_unlock_all()
  68
  69     def test_reopen(self):
  70         self.tdb.reopen()
  71
  72     def test_store(self):
  73         self.tdb.store("bar", "bla")
  74         self.assertEquals("bla", self.tdb.get("bar"))
  75
  76     def test_getitem(self):
  77         self.tdb["bar"] = "foo"
  78         self.tdb.reopen()
  79         self.assertEquals("foo", self.tdb["bar"])
  80
  81     def test_delete(self):
  82         self.tdb["bar"] = "foo"
  83         del self.tdb["bar"]
  84         self.assertRaises(KeyError, lambda: self.tdb["bar"])
  85
  86     def test_contains(self):
  87         self.tdb["bla"] = "bloe"
  88         self.assertTrue("bla" in self.tdb)
  89
  90     def test_keyerror(self):
  91         self.assertRaises(KeyError, lambda: self.tdb["bla"])
  92
  93     def test_hash_size(self):
  94         self.tdb.hash_size
  95
  96     def test_map_size(self):
  97         self.tdb.map_size
  98
  99     def test_freelist_size(self):
 100         self.tdb.freelist_size
 101
 102     def test_name(self):
 103         self.tdb.filename
 104
 105     def test_iterator(self):
 106         self.tdb["bla"] = "1"
 107         self.tdb["brainslug"] = "2"
 108         self.assertEquals(["bla", "brainslug"], list(self.tdb))
 109
 110     def test_transaction_cancel(self):
 111         self.tdb["bloe"] = "2"
 112         self.tdb.transaction_start()
 113         self.tdb["bloe"] = "1"
 114         self.tdb.transaction_cancel()
 115         self.assertEquals("2", self.tdb["bloe"])
 116
 117     def test_transaction_commit(self):
 118         self.tdb["bloe"] = "2"
 119         self.tdb.transaction_start()
 120         self.tdb["bloe"] = "1"
 121         self.tdb.transaction_commit()
 122         self.assertEquals("1", self.tdb["bloe"])
 123
 124     def test_transaction_prepare_commit(self):
 125         self.tdb["bloe"] = "2"
 126         self.tdb.transaction_start()
 127         self.tdb["bloe"] = "1"
 128         self.tdb.transaction_prepare_commit()
 129         self.tdb.transaction_commit()
 130         self.assertEquals("1", self.tdb["bloe"])
 131
 132     def test_iterkeys(self):
 133         self.tdb["bloe"] = "2"
 134         self.tdb["bla"] = "25"
 135         i = self.tdb.iterkeys()
 136         self.assertEquals(set(["bloe", "bla"]), set([i.next(), i.next()]))
 137
 138     def test_clear(self):
 139         self.tdb["bloe"] = "2"
 140         self.tdb["bla"] = "25"
 141         self.assertEquals(2, len(list(self.tdb)))
 142         self.tdb.clear()
 143         self.assertEquals(0, len(list(self.tdb)))
 144
 145     def test_seqnum(self):
 146         self.tdb.enable_seqnum()
 147         seq1 = self.tdb.seqnum
 148         self.tdb.increment_seqnum_nonblock()
 149         seq2 = self.tdb.seqnum
 150         self.assertEquals(seq2-seq1, 1)
 151
 152     def test_len(self):
 153         self.assertEquals(0, len(list(self.tdb)))
 154         self.tdb["entry"] = "value"
 155         self.assertEquals(1, len(list(self.tdb)))
 156
 157     def test_add_flags(self):
 158         self.tdb.add_flags(tdb.NOMMAP)
 159         self.tdb.remove_flags(tdb.NOMMAP)
 160
 161
 162 if __name__ == '__main__':
 163     import unittest
 164     unittest.TestProgram()