class PersistentInterfaceTest(unittest.TestCase):
def setUp(self):
self.db = DB()
self.root = self.db.open().root()
self.registry = ManagedRegistry()
self.root["registry"] = self.registry
transaction.commit()
def tearDown(self):
transaction.abort() # just in case
def test_creation(self):
class IFoo(PersistentInterface):
pass
class Foo(object):
implements(IFoo)
self.assert_(IFoo.providedBy(Foo()))
self.assertEqual(IFoo._p_oid, None)
def test_patch(self):
self.registry.newModule("imodule", code)
transaction.commit()
imodule = self.registry.findModule("imodule")
# test for a pickling bug
self.assertEqual(imodule.Foo.__implemented__, imodule.IFoo)
self.assert_(imodule.IFoo.providedBy(imodule.aFoo))
# the conversion should not affect Interface
self.assert_(imodule.Interface is Interface)
class PersistentInterfaceTest(util.TestCase):
def setUp(self):
super(PersistentInterfaceTest, self).setUp()
util.setUp(self)
self.db = DB(FileStorage('PersistentInterfaceTest.fs'))
self.conn = self.db.open()
self.root = self.conn.root()
self.registry = ManagedRegistry()
self.root["registry"] = self.registry
transaction.commit()
def tearDown(self):
transaction.abort() # just in case
self.conn.close()
self.db.close()
util.tearDown(self)
def test_creation(self):
class IFoo(PersistentInterface):
pass
class Foo(object):
implements(IFoo)
self.assert_(IFoo.providedBy(Foo()))
self.assertEqual(IFoo._p_oid, None)
def test_patch(self):
self.registry.newModule("imodule", code)
transaction.commit()
imodule = self.registry.findModule("imodule")
# test for a pickling bug
self.assertEqual(imodule.Foo.__implemented__, imodule.IFoo)
self.assert_(imodule.IFoo.providedBy(imodule.aFoo))
# the conversion should not affect Interface
self.assert_(imodule.Interface is Interface)
def test___hash___no_jar(self):
class IFoo(PersistentInterface):
pass
self.assertEqual(hash(IFoo), hash((None, None)))
def test___hash___w_jar(self):
self.registry.newModule("imodule", code)
transaction.commit()
imodule = self.registry.findModule("imodule")
self.assertEqual(hash(imodule.IFoo),
hash((self.conn, imodule.IFoo._p_oid)))
def test___eq___no_jar(self):
class IFoo(PersistentInterface):
pass
class IBar(PersistentInterface):
pass
self.failUnless(IFoo == IFoo)
self.failIf(IFoo == IBar)
def test___eq___w_jar(self):
class IFoo(PersistentInterface):
pass
self.registry.newModule("imodule", code)
transaction.commit()
imodule = self.registry.findModule("imodule")
self.failUnless(imodule.IFoo == imodule.IFoo) # Don't use assertEqual
self.failIf(imodule.IFoo == imodule.ISpam)
self.failIf(imodule.IFoo == IFoo)
def test___ne___no_jar(self):
class IFoo(PersistentInterface):
pass
class IBar(PersistentInterface):
pass
self.failIf(IFoo != IFoo)
self.failUnless(IFoo != IBar)
def test___ne___w_jar(self):
class IFoo(PersistentInterface):
pass
self.registry.newModule("imodule", code)
transaction.commit()
imodule = self.registry.findModule("imodule")
self.failIf(imodule.IFoo != imodule.IFoo) # Don't use assertNotEqual
self.failUnless(imodule.IFoo != imodule.ISpam)
self.failUnless(imodule.IFoo != IFoo)
def test_provides(self):
"""Provides are persistent."""
self.registry.newModule("barmodule", bar_code)
barmodule = self.registry.findModule("barmodule")
bar = Bar()
directlyProvides(bar, barmodule.IBar)
self.root['bar'] = bar
self.assertTrue(barmodule.IBar.providedBy(bar))
bah = Bar()
directlyProvides(bah, barmodule.IBah)
self.root['bah'] = bah
self.assertTrue(barmodule.IBah.providedBy(bah))
blah = Bar()
directlyProvides(blah, barmodule.IBlah)
self.root['blah'] = blah
self.assertTrue(barmodule.IBlah.providedBy(blah))
# Update the code to make sure everything works on update
self.registry.updateModule('barmodule',
bar_code + '\nfoo = 1')
transaction.commit()
self.db.close()
db = DB(FileStorage('PersistentInterfaceTest.fs'))
root = db.open().root()
barmodule = root['registry'].findModule("barmodule")
bar = root['bar']
self.assertTrue(barmodule.IBar.providedBy(bar))
bah = root['bah']
self.assertTrue(barmodule.IBah.providedBy(bah))
blah = root['blah']
self.assertTrue(barmodule.IBlah.providedBy(blah))
db.close()
def test_persistentWeakref(self):
"""Verify interacton of declaration weak refs with ZODB
Weak references to persistent objects don't remain after ZODB
pack and garbage collection."""
bar = self.root['bar'] = Bar()
self.registry.newModule("barmodule", bar_code)
barmodule = self.registry.findModule("barmodule")
self.assertEqual(barmodule.IBar.dependents.keys(), [])
directlyProvides(bar, barmodule.IBar)
self.assertEqual(len(barmodule.IBar.dependents), 1)
transaction.commit()
del bar
del self.root['bar']
self.db.pack()
transaction.commit()
collect()
root = self.db.open().root()
barmodule = root['registry'].findModule("barmodule")
self.assertEqual(barmodule.IBar.dependents.keys(), [])
def test_persistentProvides(self):
"""Verify that provideInterface works."""
self.registry.newModule("barmodule", provide_iface_code)
barmodule = self.registry.findModule("barmodule")
self.assertTrue(IBarInterface.providedBy(barmodule.IBar))
self.registry.updateModule('barmodule',
provide_iface_code + '\nfoo = 1')
transaction.commit()
barmodule = self.registry.findModule("barmodule")
self.assertTrue(IBarInterface.providedBy(barmodule.IBar))
