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#!/usr/bin/env python
# Some simple tests for the Python bindings for TDB
# Note that this tests the interface of the Python bindings
# It does not test tdb itself.
#
# Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
# Published under the GNU LGPLv3 or later
import tdb
from unittest import TestCase
import os, tempfile
class OpenTdbTests(TestCase):
def test_nonexistent_read(self):
self.assertRaises(IOError, tdb.Tdb, "/some/nonexistent/file", 0,
tdb.DEFAULT, os.O_RDWR)
class CloseTdbTests(TestCase):
def test_double_close(self):
# No hash size in tdb2.
if tdb.__version__.startswith("2"):
self.tdb = tdb.Tdb(tempfile.mkstemp()[1], tdb.DEFAULT,
os.O_CREAT|os.O_RDWR)
else:
self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT,
os.O_CREAT|os.O_RDWR)
self.assertNotEqual(None, self.tdb)
# ensure that double close does not crash python
self.tdb.close()
self.tdb.close()
# Check that further operations do not crash python
self.assertRaises(RuntimeError, lambda: self.tdb.transaction_start())
self.assertRaises(RuntimeError, lambda: self.tdb["bar"])
class InternalTdbTests(TestCase):
def test_repr(self):
self.tdb = tdb.Tdb()
# repr used to crash on internal db
self.assertEquals(repr(self.tdb), "Tdb(<internal>)")
class SimpleTdbTests(TestCase):
def setUp(self):
super(SimpleTdbTests, self).setUp()
if tdb.__version__.startswith("2"):
self.tdb = tdb.Tdb(tempfile.mkstemp()[1], tdb.DEFAULT,
os.O_CREAT|os.O_RDWR)
else:
self.tdb = tdb.Tdb(tempfile.mkstemp()[1], 0, tdb.DEFAULT,
os.O_CREAT|os.O_RDWR)
self.assertNotEqual(None, self.tdb)
def tearDown(self):
del self.tdb
def test_repr(self):
self.assertTrue(repr(self.tdb).startswith("Tdb('"))
def test_lockall(self):
self.tdb.lock_all()
def test_max_dead(self):
if not tdb.__version__.startswith("2"):
self.tdb.max_dead = 20
def test_unlockall(self):
self.tdb.lock_all()
self.tdb.unlock_all()
def test_lockall_read(self):
self.tdb.read_lock_all()
self.tdb.read_unlock_all()
def test_reopen(self):
if not tdb.__version__.startswith("2"):
self.tdb.reopen()
def test_store(self):
self.tdb.store("bar", "bla")
self.assertEquals("bla", self.tdb.get("bar"))
def test_getitem(self):
self.tdb["bar"] = "foo"
if not tdb.__version__.startswith("2"):
self.tdb.reopen()
self.assertEquals("foo", self.tdb["bar"])
def test_delete(self):
self.tdb["bar"] = "foo"
del self.tdb["bar"]
self.assertRaises(KeyError, lambda: self.tdb["bar"])
def test_contains(self):
self.tdb["bla"] = "bloe"
self.assertTrue("bla" in self.tdb)
def test_keyerror(self):
self.assertRaises(KeyError, lambda: self.tdb["bla"])
def test_hash_size(self):
if not tdb.__version__.startswith("2"):
self.tdb.hash_size
def test_map_size(self):
if not tdb.__version__.startswith("2"):
self.tdb.map_size
def test_freelist_size(self):
if not tdb.__version__.startswith("2"):
self.tdb.freelist_size
def test_name(self):
self.tdb.filename
def test_iterator(self):
self.tdb["bla"] = "1"
self.tdb["brainslug"] = "2"
l = list(self.tdb)
l.sort()
self.assertEquals(["bla", "brainslug"], l)
def test_transaction_cancel(self):
self.tdb["bloe"] = "2"
self.tdb.transaction_start()
self.tdb["bloe"] = "1"
self.tdb.transaction_cancel()
self.assertEquals("2", self.tdb["bloe"])
def test_transaction_commit(self):
self.tdb["bloe"] = "2"
self.tdb.transaction_start()
self.tdb["bloe"] = "1"
self.tdb.transaction_commit()
self.assertEquals("1", self.tdb["bloe"])
def test_transaction_prepare_commit(self):
self.tdb["bloe"] = "2"
self.tdb.transaction_start()
self.tdb["bloe"] = "1"
self.tdb.transaction_prepare_commit()
self.tdb.transaction_commit()
self.assertEquals("1", self.tdb["bloe"])
def test_iterkeys(self):
self.tdb["bloe"] = "2"
self.tdb["bla"] = "25"
i = self.tdb.iterkeys()
self.assertEquals(set(["bloe", "bla"]), set([i.next(), i.next()]))
def test_clear(self):
self.tdb["bloe"] = "2"
self.tdb["bla"] = "25"
self.assertEquals(2, len(list(self.tdb)))
self.tdb.clear()
self.assertEquals(0, len(list(self.tdb)))
def test_repack(self):
if not tdb.__version__.startswith("2"):
self.tdb["foo"] = "abc"
self.tdb["bar"] = "def"
del self.tdb["foo"]
self.tdb.repack()
def test_seqnum(self):
if not tdb.__version__.startswith("2"):
self.tdb.enable_seqnum()
seq1 = self.tdb.seqnum
self.tdb.increment_seqnum_nonblock()
seq2 = self.tdb.seqnum
self.assertEquals(seq2-seq1, 1)
def test_len(self):
self.assertEquals(0, len(list(self.tdb)))
self.tdb["entry"] = "value"
self.assertEquals(1, len(list(self.tdb)))
def test_add_flags(self):
if tdb.__version__.startswith("2"):
self.tdb.add_flag(tdb.NOMMAP)
self.tdb.remove_flag(tdb.NOMMAP)
else:
self.tdb.add_flags(tdb.NOMMAP)
self.tdb.remove_flags(tdb.NOMMAP)
class VersionTests(TestCase):
def test_present(self):
self.assertTrue(isinstance(tdb.__version__, str))
if __name__ == '__main__':
import unittest
unittest.TestProgram()
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