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