[Zodb-checkins] CVS: ZODB/src/persistent/tests -
test_wref.py:1.1.2.1 test_persistent.py:1.1.2.1 test_list.py:1.1.2.1
Jeremy Hylton
jeremy at zope.com
Thu Feb 12 15:56:16 EST 2004
Update of /cvs-repository/ZODB/src/persistent/tests
In directory cvs.zope.org:/tmp/cvs-serv23739/tests
Added Files:
Tag: zope3-zodb3-devel-branch
test_wref.py test_persistent.py test_list.py
Log Message:
Copy tests from persistence to persistent.
=== Added File ZODB/src/persistent/tests/test_wref.py ===
##############################################################################
#
# Copyright (c) 2003 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""XXX short summary goes here.
$Id: test_wref.py,v 1.1.2.1 2004/02/12 20:56:15 jeremy Exp $
"""
import unittest
from doctest import DocTestSuite
def test_suite():
return DocTestSuite('persistent.wref')
if __name__ == '__main__':
unittest.main()
=== Added File ZODB/src/persistent/tests/test_persistent.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
import unittest
from persistent import Persistent
from persistent.interfaces import IPersistent
class Test(unittest.TestCase):
klass = None # override in subclass
def testSaved(self):
p = self.klass()
p._p_oid = '\0\0\0\0\0\0hi'
dm = DM()
p._p_jar = dm
self.assertEqual(p._p_changed, 0)
self.assertEqual(dm.called, 0)
p.inc()
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 1)
p.inc()
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 1)
p._p_deactivate()
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 1)
p._p_deactivate()
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 1)
del p._p_changed
# XXX deal with current cPersistence implementation
if p._p_changed != 3:
self.assertEqual(p._p_changed, None)
self.assertEqual(dm.called, 1)
p.inc()
self.assertEqual(p.x, 43)
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 2)
p._p_changed = 0
self.assertEqual(p._p_changed, 0)
self.assertEqual(dm.called, 2)
self.assertEqual(p.x, 43)
p.inc()
self.assertEqual(p._p_changed, 1)
self.assertEqual(dm.called, 3)
def testUnsaved(self):
p = self.klass()
self.assertEqual(p.x, 0)
self.assertEqual(p._p_changed, 0)
self.assertEqual(p._p_jar, None)
self.assertEqual(p._p_oid, None)
p.inc()
p.inc()
self.assertEqual(p.x, 2)
self.assertEqual(p._p_changed, 0)
p._p_deactivate()
self.assertEqual(p._p_changed, 0)
p._p_changed = 1
self.assertEqual(p._p_changed, 0)
p._p_deactivate()
self.assertEqual(p._p_changed, 0)
del p._p_changed
self.assertEqual(p._p_changed, 0)
if self.has_dict:
self.failUnless(p.__dict__)
self.assertEqual(p.x, 2)
def testState(self):
p = self.klass()
self.assertEqual(p.__getstate__(), {'x': 0})
self.assertEqual(p._p_changed, 0)
p.__setstate__({'x':5})
self.assertEqual(p._p_changed, 0)
if self.has_dict:
p._v_foo = 2
self.assertEqual(p.__getstate__(), {'x': 5})
self.assertEqual(p._p_changed, 0)
def testSetStateSerial(self):
p = self.klass()
p._p_serial = '00000012'
p.__setstate__(p.__getstate__())
self.assertEqual(p._p_serial, '00000012')
def testDirectChanged(self):
p = self.klass()
p._p_oid = 1
dm = DM()
p._p_jar = dm
self.assertEqual(p._p_changed, 0)
self.assertEqual(dm.called, 0)
p._p_changed = 1
self.assertEqual(dm.called, 1)
def testGhostChanged(self):
# An object is a ghost, and it's _p_changed it set to True.
# This assignment should have no effect.
p = self.klass()
p._p_oid = 1
dm = DM()
p._p_jar = dm
p._p_deactivate()
self.assertEqual(p._p_changed, None)
p._p_changed = True
self.assertEqual(p._p_changed, None)
def testRegistrationFailure(self):
p = self.klass()
p._p_oid = 1
dm = BrokenDM()
p._p_jar = dm
self.assertEqual(p._p_changed, 0)
self.assertEqual(dm.called, 0)
try:
p._p_changed = 1
except NotImplementedError:
pass
else:
raise AssertionError("Exception not propagated")
self.assertEqual(dm.called, 1)
self.assertEqual(p._p_changed, 0)
def testLoadFailure(self):
p = self.klass()
p._p_oid = 1
dm = BrokenDM()
p._p_jar = dm
p._p_deactivate() # make it a ghost
try:
p._p_activate()
except NotImplementedError:
pass
else:
raise AssertionError("Exception not propagated")
self.assertEqual(p._p_changed, None)
def testActivate(self):
p = self.klass()
dm = DM()
p._p_oid = 1
p._p_jar = dm
p._p_changed = 0
p._p_deactivate()
# XXX does this really test the activate method?
p._p_activate()
self.assertEqual(p._p_changed, 0)
self.assertEqual(p.x, 42)
def testDeactivate(self):
p = self.klass()
dm = DM()
p._p_oid = 1
p._p_deactivate() # this deactive has no effect
self.assertEqual(p._p_changed, 0)
p._p_jar = dm
p._p_changed = 0
p._p_deactivate()
self.assertEqual(p._p_changed, None)
p._p_activate()
self.assertEqual(p._p_changed, 0)
self.assertEqual(p.x, 42)
def testInterface(self):
self.assert_(IPersistent.isImplementedByInstancesOf(Persistent),
"%s does not implement IPersistent" % Persistent)
p = Persistent()
self.assert_(IPersistent.isImplementedBy(p),
"%s does not implement IPersistent" % p)
self.assert_(IPersistent.isImplementedByInstancesOf(P),
"%s does not implement IPersistent" % P)
p = self.klass()
self.assert_(IPersistent.isImplementedBy(p),
"%s does not implement IPersistent" % p)
def testDataManagerAndAttributes(self):
# Test to cover an odd bug where the instance __dict__ was
# set at the same location as the data manager in the C type.
p = P()
p.inc()
p.inc()
self.assert_('x' in p.__dict__)
self.assert_(p._p_jar is None)
def testMultipleInheritance(self):
# make sure it is possible to inherit from two different
# subclasses of persistent.
class A(Persistent):
pass
class B(Persistent):
pass
class C(A, B):
pass
class D(object):
pass
class E(D, B):
pass
def testMultipleMeta(self):
# make sure it's possible to define persistent classes
# with a base whose metaclass is different
class alternateMeta(type):
pass
class alternate(object):
__metaclass__ = alternateMeta
class mixedMeta(alternateMeta, type):
pass
class mixed(alternate,Persistent):
__metaclass__ = mixedMeta
def testSlots(self):
# Verify that Persistent classes behave the same way
# as pure Python objects where '__slots__' and '__dict__'
# are concerned.
class noDict(object):
__slots__ = ['foo']
class shouldHaveDict(noDict):
pass
class p_noDict(Persistent):
__slots__ = ['foo']
class p_shouldHaveDict(p_noDict):
pass
self.assertEqual(noDict.__dictoffset__, 0)
self.assertEqual(p_noDict.__dictoffset__, 0)
self.assert_(shouldHaveDict.__dictoffset__ <> 0)
self.assert_(p_shouldHaveDict.__dictoffset__ <> 0)
def testBasicTypeStructure(self):
# test that a persistent class has a sane C type structure
# use P (defined below) as simplest example
self.assertEqual(Persistent.__dictoffset__, 0)
self.assertEqual(Persistent.__weakrefoffset__, 0)
self.assert_(Persistent.__basicsize__ > object.__basicsize__)
self.assert_(P.__dictoffset__)
self.assert_(P.__weakrefoffset__)
self.assert_(P.__dictoffset__ < P.__weakrefoffset__)
self.assert_(P.__basicsize__ > Persistent.__basicsize__)
def testDeactivateErrors(self):
p = self.klass()
p._p_oid = '\0\0\0\0\0\0hi'
dm = DM()
p._p_jar = dm
def typeerr(*args, **kwargs):
self.assertRaises(TypeError, p, *args, **kwargs)
typeerr(1)
typeerr(1, 2)
typeerr(spam=1)
typeerr(spam=1, force=1)
p._p_changed = True
class Err(object):
def __nonzero__(self):
raise RuntimeError
typeerr(force=Err())
class P(Persistent):
def __init__(self):
self.x = 0
def inc(self):
self.x += 1
class P2(P):
def __getstate__(self):
return 42
def __setstate__(self, v):
self.v = v
class B(Persistent):
__slots__ = ["x", "_p_serial"]
def __init__(self):
self.x = 0
def inc(self):
self.x += 1
def __getstate__(self):
return {'x': self.x}
def __setstate__(self, state):
self.x = state['x']
class DM:
def __init__(self):
self.called = 0
def register(self, ob):
self.called += 1
def setstate(self, ob):
ob.__setstate__({'x': 42})
class BrokenDM(DM):
def register(self,ob):
self.called += 1
raise NotImplementedError
def setstate(self,ob):
raise NotImplementedError
class PersistentTest(Test):
klass = P
has_dict = 1
def testPicklable(self):
import pickle
p = self.klass()
p.inc()
p2 = pickle.loads(pickle.dumps(p))
self.assertEqual(p2.__class__, self.klass)
# verify that the inc is reflected:
self.assertEqual(p2.x, p.x)
# This assertion would be invalid. Interfaces
# are compared by identity and copying doesn't
# preserve identity. We would get false negatives due
# to the differing identities of the original and copied
# PersistentInterface:
# self.assertEqual(p2.__dict__, p.__dict__)
def testPicklableWCustomState(self):
import pickle
p = P2()
p2 = pickle.loads(pickle.dumps(p))
self.assertEqual(p2.__class__, P2);
self.assertEqual(p2.__dict__, {'v': 42})
class BasePersistentTest(Test):
klass = B
has_dict = 0
def test_suite():
s = unittest.TestSuite()
for klass in PersistentTest, BasePersistentTest:
s.addTest(unittest.makeSuite(klass))
return s
=== Added File ZODB/src/persistent/tests/test_list.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Test the list interface to PersistentList
"""
import unittest
from persistent.list import PersistentList
l0 = []
l1 = [0]
l2 = [0, 1]
class TestPList(unittest.TestCase):
def testTheWorld(self):
# Test constructors
u = PersistentList()
u0 = PersistentList(l0)
u1 = PersistentList(l1)
u2 = PersistentList(l2)
uu = PersistentList(u)
uu0 = PersistentList(u0)
uu1 = PersistentList(u1)
uu2 = PersistentList(u2)
v = PersistentList(tuple(u))
class OtherList:
def __init__(self, initlist):
self.__data = initlist
def __len__(self):
return len(self.__data)
def __getitem__(self, i):
return self.__data[i]
v0 = PersistentList(OtherList(u0))
vv = PersistentList("this is also a sequence")
# Test __repr__
eq = self.assertEqual
eq(str(u0), str(l0), "str(u0) == str(l0)")
eq(repr(u1), repr(l1), "repr(u1) == repr(l1)")
eq(`u2`, `l2`, "`u2` == `l2`")
# Test __cmp__ and __len__
def mycmp(a, b):
r = cmp(a, b)
if r < 0: return -1
if r > 0: return 1
return r
all = [l0, l1, l2, u, u0, u1, u2, uu, uu0, uu1, uu2]
for a in all:
for b in all:
eq(mycmp(a, b), mycmp(len(a), len(b)),
"mycmp(a, b) == mycmp(len(a), len(b))")
# Test __getitem__
for i in range(len(u2)):
eq(u2[i], i, "u2[i] == i")
# Test __setitem__
uu2[0] = 0
uu2[1] = 100
try:
uu2[2] = 200
except IndexError:
pass
else:
raise TestFailed("uu2[2] shouldn't be assignable")
# Test __delitem__
del uu2[1]
del uu2[0]
try:
del uu2[0]
except IndexError:
pass
else:
raise TestFailed("uu2[0] shouldn't be deletable")
# Test __getslice__
for i in range(-3, 4):
eq(u2[:i], l2[:i], "u2[:i] == l2[:i]")
eq(u2[i:], l2[i:], "u2[i:] == l2[i:]")
for j in range(-3, 4):
eq(u2[i:j], l2[i:j], "u2[i:j] == l2[i:j]")
# Test __setslice__
for i in range(-3, 4):
u2[:i] = l2[:i]
eq(u2, l2, "u2 == l2")
u2[i:] = l2[i:]
eq(u2, l2, "u2 == l2")
for j in range(-3, 4):
u2[i:j] = l2[i:j]
eq(u2, l2, "u2 == l2")
uu2 = u2[:]
uu2[:0] = [-2, -1]
eq(uu2, [-2, -1, 0, 1], "uu2 == [-2, -1, 0, 1]")
uu2[0:] = []
eq(uu2, [], "uu2 == []")
# Test __contains__
for i in u2:
self.failUnless(i in u2, "i in u2")
for i in min(u2)-1, max(u2)+1:
self.failUnless(i not in u2, "i not in u2")
# Test __delslice__
uu2 = u2[:]
del uu2[1:2]
del uu2[0:1]
eq(uu2, [], "uu2 == []")
uu2 = u2[:]
del uu2[1:]
del uu2[:1]
eq(uu2, [], "uu2 == []")
# Test __add__, __radd__, __mul__ and __rmul__
#self.failUnless(u1 + [] == [] + u1 == u1, "u1 + [] == [] + u1 == u1")
self.failUnless(u1 + [1] == u2, "u1 + [1] == u2")
#self.failUnless([-1] + u1 == [-1, 0], "[-1] + u1 == [-1, 0]")
self.failUnless(u2 == u2*1 == 1*u2, "u2 == u2*1 == 1*u2")
self.failUnless(u2+u2 == u2*2 == 2*u2, "u2+u2 == u2*2 == 2*u2")
self.failUnless(u2+u2+u2 == u2*3 == 3*u2, "u2+u2+u2 == u2*3 == 3*u2")
# Test append
u = u1[:]
u.append(1)
eq(u, u2, "u == u2")
# Test insert
u = u2[:]
u.insert(0, -1)
eq(u, [-1, 0, 1], "u == [-1, 0, 1]")
# Test pop
u = PersistentList([0, -1, 1])
u.pop()
eq(u, [0, -1], "u == [0, -1]")
u.pop(0)
eq(u, [-1], "u == [-1]")
# Test remove
u = u2[:]
u.remove(1)
eq(u, u1, "u == u1")
# Test count
u = u2*3
eq(u.count(0), 3, "u.count(0) == 3")
eq(u.count(1), 3, "u.count(1) == 3")
eq(u.count(2), 0, "u.count(2) == 0")
# Test index
eq(u2.index(0), 0, "u2.index(0) == 0")
eq(u2.index(1), 1, "u2.index(1) == 1")
try:
u2.index(2)
except ValueError:
pass
else:
raise TestFailed("expected ValueError")
# Test reverse
u = u2[:]
u.reverse()
eq(u, [1, 0], "u == [1, 0]")
u.reverse()
eq(u, u2, "u == u2")
# Test sort
u = PersistentList([1, 0])
u.sort()
eq(u, u2, "u == u2")
# Test extend
u = u1[:]
u.extend(u2)
eq(u, u1 + u2, "u == u1 + u2")
# Test iadd
u = u1[:]
u += u2
eq(u, u1 + u2, "u == u1 + u2")
# Test imul
u = u1[:]
u *= 3
eq(u, u1 + u1 + u1, "u == u1 + u1 + u1")
def test_suite():
return unittest.makeSuite(TestPList)
if __name__ == "__main__":
loader = unittest.TestLoader()
unittest.main(testLoader=loader)
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