server/test/unittest_hooksmanager.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 16 Nov 2009 19:05:54 +0100
branchstable
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child 2773 b2530e3e0afb
permissions -rw-r--r--
fix vocabulary for destination_state/allowed_transitions when creating state or transition
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"""unit tests for the hooks manager
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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from logilab.common.testlib import TestCase, unittest_main
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from cubicweb.server.hooksmanager import HooksManager, Hook
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from cubicweb.devtools import TestServerConfiguration
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from cubicweb.devtools.apptest import RepositoryBasedTC
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class HookCalled(Exception): pass
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config = TestServerConfiguration('data')
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config.bootstrap_cubes()
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schema = config.load_schema()
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class HooksManagerTC(TestCase):
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    args = (None,)
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    kwargs = {'a': 1}
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    def setUp(self):
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        """ called before each test from this class """
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        self.o = HooksManager(schema)
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    def test_register_hook_raise_keyerror(self):
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        self.assertRaises(AssertionError,
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                          self.o.register_hook, self._hook, 'before_add_entiti')
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        self.assertRaises(AssertionError,
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                          self.o.register_hook, self._hook, 'session_login', 'CWEType')
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        self.assertRaises(AssertionError,
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                          self.o.register_hook, self._hook, 'session_logout', 'CWEType')
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        self.assertRaises(AssertionError,
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                          self.o.register_hook, self._hook, 'server_startup', 'CWEType')
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        self.assertRaises(AssertionError,
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                          self.o.register_hook, self._hook, 'server_shutdown', 'CWEType')
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    def test_register_hook1(self):
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        self.o.register_hook(self._hook, 'before_add_entity')
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        self.o.register_hook(self._hook, 'before_delete_entity', 'Personne')
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        self._test_called_hooks()
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    def test_register_hook2(self):
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        self.o.register_hook(self._hook, 'before_add_entity', '')
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        self.o.register_hook(self._hook, 'before_delete_entity', 'Personne')
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        self._test_called_hooks()
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    def test_register_hook3(self):
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        self.o.register_hook(self._hook, 'before_add_entity', None)
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        self.o.register_hook(self._hook, 'before_delete_entity', 'Personne')
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        self._test_called_hooks()
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    def test_register_hooks(self):
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        self.o.register_hooks({'before_add_entity' : {'': [self._hook]},
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                               'before_delete_entity' : {'Personne': [self._hook]},
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                               })
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        self._test_called_hooks()
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    def test_unregister_hook(self):
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        self.o.register_hook(self._hook, 'after_delete_entity', 'Personne')
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        self.assertRaises(HookCalled,
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                          self.o.call_hooks, 'after_delete_entity', 'Personne',
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                          *self.args, **self.kwargs)
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        self.o.unregister_hook(self._hook, 'after_delete_entity', 'Personne')
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        # no hook should be called there
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        self.o.call_hooks('after_delete_entity', 'Personne')
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    def _test_called_hooks(self):
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        self.assertRaises(HookCalled,
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                          self.o.call_hooks, 'before_add_entity', '',
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                          *self.args, **self.kwargs)
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        self.assertRaises(HookCalled,
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                          self.o.call_hooks, 'before_add_entity', None,
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                          *self.args, **self.kwargs)
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        self.assertRaises(HookCalled,
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                          self.o.call_hooks, 'before_add_entity', 'Personne',
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                          *self.args, **self.kwargs)
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        self.assertRaises(HookCalled,
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                          self.o.call_hooks, 'before_delete_entity', 'Personne',
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                          *self.args, **self.kwargs)
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        # no hook should be called there
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        self.o.call_hooks('before_delete_entity', None)
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        self.o.call_hooks('before_delete_entity', 'Societe')
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    def _hook(self, *args, **kwargs):
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        # check arguments
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        self.assertEqual(args, self.args)
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        self.assertEqual(kwargs, self.kwargs)
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        raise HookCalled()
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class RelationHookTC(TestCase):
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    """testcase for relation hooks grouping"""
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    def setUp(self):
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        """ called before each test from this class """
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        self.o = HooksManager(schema)
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        self.called = []
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    def test_before_add_relation(self):
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        """make sure before_xxx_relation hooks are called directly"""
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        self.o.register_hook(self._before_relation_hook,
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                             'before_add_relation', 'concerne')
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        self.assertEquals(self.called, [])
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        self.o.call_hooks('before_add_relation', 'concerne', 'USER',
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                          1, 'concerne', 2)
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        self.assertEquals(self.called, [(1, 'concerne', 2)])
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    def test_after_add_relation(self):
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        """make sure after_xxx_relation hooks are deferred"""
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        self.o.register_hook(self._after_relation_hook,
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                             'after_add_relation', 'concerne')
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        self.assertEquals(self.called, [])
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        self.o.call_hooks('after_add_relation', 'concerne', 'USER',
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                          1, 'concerne', 2)
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        self.o.call_hooks('after_add_relation', 'concerne', 'USER',
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                          3, 'concerne', 4)
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        self.assertEquals(self.called, [(1, 'concerne', 2), (3, 'concerne', 4)])
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    def test_before_delete_relation(self):
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        """make sure before_xxx_relation hooks are called directly"""
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        self.o.register_hook(self._before_relation_hook,
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                             'before_delete_relation', 'concerne')
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        self.assertEquals(self.called, [])
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        self.o.call_hooks('before_delete_relation', 'concerne', 'USER',
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                          1, 'concerne', 2)
0
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        self.assertEquals(self.called, [(1, 'concerne', 2)])
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    def test_after_delete_relation(self):
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        """make sure after_xxx_relation hooks are deferred"""
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        self.o.register_hook(self._after_relation_hook,
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                             'after_delete_relation', 'concerne')
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        self.o.call_hooks('after_delete_relation', 'concerne', 'USER',
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                          1, 'concerne', 2)
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        self.o.call_hooks('after_delete_relation', 'concerne', 'USER',
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                          3, 'concerne', 4)
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        self.assertEquals(self.called, [(1, 'concerne', 2), (3, 'concerne', 4)])
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    def _before_relation_hook(self, pool, subject, r_type, object):
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        self.called.append((subject, r_type, object))
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    def _after_relation_hook(self, pool, subject, r_type, object):
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        self.called.append((subject, r_type, object))
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class SystemHooksTC(RepositoryBasedTC):
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    def test_startup_shutdown(self):
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        import hooks # cubicweb/server/test/data/hooks.py
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        self.assertEquals(hooks.CALLED_EVENTS['server_startup'], True)
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        # don't actually call repository.shutdown !
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        self.repo.hm.call_hooks('server_shutdown', repo=None)
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        self.assertEquals(hooks.CALLED_EVENTS['server_shutdown'], True)
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    def test_session_open_close(self):
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        import hooks # cubicweb/server/test/data/hooks.py
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        cnx = self.login('anon')
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        self.assertEquals(hooks.CALLED_EVENTS['session_open'], 'anon')
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        cnx.close()
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        self.assertEquals(hooks.CALLED_EVENTS['session_close'], 'anon')
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from itertools import repeat
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class MyHook(Hook):
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    schema = schema # set for actual hooks at registration time
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    events = ('whatever', 'another')
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    accepts = ('Societe', 'Division')
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0
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class HookTC(RepositoryBasedTC):
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    def test_inheritance(self):
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        self.assertEquals(list(MyHook.register_to()),
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                          zip(repeat('whatever'), ('Societe', 'Division', 'SubDivision'))
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                          + zip(repeat('another'), ('Societe', 'Division', 'SubDivision')))
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if __name__ == '__main__':
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    unittest_main()