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_nonexistent_read(self):
  17         self.assertRaises(IOError, tdb.Tdb, "/some/nonexistent/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         # Check that further operations do not crash python
  32         self.assertRaises(RuntimeError, lambda: self.tdb.transaction_start())
  33
  34         self.assertRaises(RuntimeError, lambda: self.tdb["bar"])
  35
  36
  37 class InternalTdbTests(TestCase):
  38
  39     def test_repr(self):
  40         self.tdb = tdb.Tdb()
  41
  42         # repr used to crash on internal db
  43         self.assertEquals(repr(self.tdb), "Tdb(<internal>)")
  44
  45
  46 class SimpleTdbTests(TestCase):
  47
  48     def setUp(self):
  49         super(SimpleTdbTests, self).setUp()
  50         self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT,
  51                            os.O_CREAT|os.O_RDWR)
  52         self.assertNotEqual(None, self.tdb)
  53
  54     def tearDown(self):
  55         del self.tdb
  56
  57     def test_repr(self):
  58         self.assertTrue(repr(self.tdb).startswith("Tdb('"))
  59
  60     def test_lockall(self):
  61         self.tdb.lock_all()
  62
  63     def test_max_dead(self):
  64         self.tdb.max_dead = 20
  65
  66     def test_unlockall(self):
  67         self.tdb.lock_all()
  68         self.tdb.unlock_all()
  69
  70     def test_lockall_read(self):
  71         self.tdb.read_lock_all()
  72         self.tdb.read_unlock_all()
  73
  74     def test_reopen(self):
  75         self.tdb.reopen()
  76
  77     def test_store(self):
  78         self.tdb.store("bar", "bla")
  79         self.assertEquals("bla", self.tdb.get("bar"))
  80
  81     def test_getitem(self):
  82         self.tdb["bar"] = "foo"
  83         self.tdb.reopen()
  84         self.assertEquals("foo", self.tdb["bar"])
  85
  86     def test_delete(self):
  87         self.tdb["bar"] = "foo"
  88         del self.tdb["bar"]
  89         self.assertRaises(KeyError, lambda: self.tdb["bar"])
  90
  91     def test_contains(self):
  92         self.tdb["bla"] = "bloe"
  93         self.assertTrue("bla" in self.tdb)
  94
  95     def test_keyerror(self):
  96         self.assertRaises(KeyError, lambda: self.tdb["bla"])
  97
  98     def test_hash_size(self):
  99         self.tdb.hash_size
 100
 101     def test_map_size(self):
 102         self.tdb.map_size
 103
 104     def test_freelist_size(self):
 105         self.tdb.freelist_size
 106
 107     def test_name(self):
 108         self.tdb.filename
 109
 110     def test_iterator(self):
 111         self.tdb["bla"] = "1"
 112         self.tdb["brainslug"] = "2"
 113         l = list(self.tdb)
 114         l.sort()
 115         self.assertEquals(["bla", "brainslug"], l)
 116
 117     def test_transaction_cancel(self):
 118         self.tdb["bloe"] = "2"
 119         self.tdb.transaction_start()
 120         self.tdb["bloe"] = "1"
 121         self.tdb.transaction_cancel()
 122         self.assertEquals("2", self.tdb["bloe"])
 123
 124     def test_transaction_commit(self):
 125         self.tdb["bloe"] = "2"
 126         self.tdb.transaction_start()
 127         self.tdb["bloe"] = "1"
 128         self.tdb.transaction_commit()
 129         self.assertEquals("1", self.tdb["bloe"])
 130
 131     def test_transaction_prepare_commit(self):
 132         self.tdb["bloe"] = "2"
 133         self.tdb.transaction_start()
 134         self.tdb["bloe"] = "1"
 135         self.tdb.transaction_prepare_commit()
 136         self.tdb.transaction_commit()
 137         self.assertEquals("1", self.tdb["bloe"])
 138
 139     def test_iterkeys(self):
 140         self.tdb["bloe"] = "2"
 141         self.tdb["bla"] = "25"
 142         i = self.tdb.iterkeys()
 143         self.assertEquals(set(["bloe", "bla"]), set([i.next(), i.next()]))
 144
 145     def test_clear(self):
 146         self.tdb["bloe"] = "2"
 147         self.tdb["bla"] = "25"
 148         self.assertEquals(2, len(list(self.tdb)))
 149         self.tdb.clear()
 150         self.assertEquals(0, len(list(self.tdb)))
 151
 152     def test_repack(self):
 153         self.tdb["foo"] = "abc"
 154         self.tdb["bar"] = "def"
 155         del self.tdb["foo"]
 156         self.tdb.repack()
 157
 158     def test_seqnum(self):
 159         self.tdb.enable_seqnum()
 160         seq1 = self.tdb.seqnum
 161         self.tdb.increment_seqnum_nonblock()
 162         seq2 = self.tdb.seqnum
 163         self.assertEquals(seq2-seq1, 1)
 164
 165     def test_len(self):
 166         self.assertEquals(0, len(list(self.tdb)))
 167         self.tdb["entry"] = "value"
 168         self.assertEquals(1, len(list(self.tdb)))
 169
 170     def test_add_flags(self):
 171         self.tdb.add_flags(tdb.NOMMAP)
 172         self.tdb.remove_flags(tdb.NOMMAP)
 173
 174
 175 class VersionTests(TestCase):
 176
 177     def test_present(self):
 178         self.assertTrue(isinstance(tdb.__version__, str))
 179
 180
 181 if __name__ == '__main__':
 182     import unittest
 183     unittest.TestProgram()