def test_propagate(self):
Target = self._fixture()
m1 = Mock()
t1 = Target()
t2 = Target()
event.listen(t1, "event_one", m1, propagate=True)
event.listen(t1, "event_two", m1, propagate=False)
t2.dispatch._update(t1.dispatch)
t1.dispatch.event_one("t1e1x")
t1.dispatch.event_two("t1e2x")
t2.dispatch.event_one("t2e1x")
t2.dispatch.event_two("t2e2x")
event.remove(t1, "event_one", m1)
event.remove(t1, "event_two", m1)
t1.dispatch.event_one("t1e1y")
t1.dispatch.event_two("t1e2y")
t2.dispatch.event_one("t2e1y")
t2.dispatch.event_two("t2e2y")
eq_(m1.mock_calls, [call("t1e1x"), call("t1e2x"), call("t2e1x")])
def test_instance(self):
Target = self._fixture()
class Foo(object):
def __init__(self):
self.mock = Mock()
def evt(self, arg):
self.mock(arg)
f1 = Foo()
f2 = Foo()
event.listen(Target, "event_one", f1.evt)
event.listen(Target, "event_one", f2.evt)
t1 = Target()
t1.dispatch.event_one("x")
event.remove(Target, "event_one", f1.evt)
t1.dispatch.event_one("y")
eq_(f1.mock.mock_calls, [call("x")])
eq_(f2.mock.mock_calls, [call("x"), call("y")])
def before_compile_nobake_fixture(self):
@event.listens_for(Query, "before_compile", retval=True)
def _modify_query(query):
query = query.enable_assertions(False)
return query
yield
event.remove(Query, "before_compile", _modify_query)
def test_remove_instancelevel(self):
listen_one = Mock()
t1 = self.Target()
event.listen(t1, "event_one", listen_one, add=True)
t1.dispatch.event_one(5, 7)
eq_(listen_one.mock_calls, [call(12)])
event.remove(t1, "event_one", listen_one)
t1.dispatch.event_one(10, 5)
eq_(listen_one.mock_calls, [call(12)])
def test_event_no_native_float(self):
def _remove_type(inputsizes, cursor, statement, parameters, context):
for param, dbapitype in list(inputsizes.items()):
if dbapitype is testing.db.dialect.dbapi.NATIVE_FLOAT:
del inputsizes[param]
event.listen(testing.db, "do_setinputsizes", _remove_type)
try:
self.test_setinputsizes(oracle.BINARY_FLOAT, 25.34534, None, False)
finally:
event.remove(testing.db, "do_setinputsizes", _remove_type)
def test_remove_invoke_clslevel(self):
canary = Mock()
event.listen(self.BaseTarget, "event_one", canary)
s1 = self.SubTarget(self.BaseTarget())
event.remove(self.BaseTarget, "event_one", canary)
s1.dispatch.event_one()
eq_(canary.mock_calls, [])
def test_remove_wrapped_named(self):
Target = self._wrapped_fixture()
listen_one = Mock()
t1 = Target()
event.listen(t1, "event_one", listen_one, named=True)
t1.dispatch.event_one("t1")
eq_(listen_one.mock_calls, [call(x="adapted t1")])
event.remove(t1, "event_one", listen_one)
t1.dispatch.event_one("t2")
eq_(listen_one.mock_calls, [call(x="adapted t1")])
def test_clslevel(self):
Target = self._fixture()
m1 = Mock()
event.listen(Target, "event_two", m1)
t1 = Target()
t1.dispatch.event_two("x")
event.remove(Target, "event_two", m1)
t1.dispatch.event_two("y")
eq_(m1.mock_calls, [call("x")])
def test_double_event_nonwrapped(self):
Target = self._fixture()
listen_one = Mock()
t1 = Target()
event.listen(t1, "event_one", listen_one)
event.listen(t1, "event_one", listen_one)
t1.dispatch.event_one("t1")
# doubles are eliminated
eq_(listen_one.mock_calls, [call("t1")])
# only one remove needed
event.remove(t1, "event_one", listen_one)
t1.dispatch.event_one("t2")
eq_(listen_one.mock_calls, [call("t1")])
def test_clslevel_subclass(self):
Target = self._fixture()
class SubTarget(Target):
pass
m1 = Mock()
event.listen(Target, "event_two", m1)
t1 = SubTarget()
t1.dispatch.event_two("x")
event.remove(Target, "event_two", m1)
t1.dispatch.event_two("y")
eq_(m1.mock_calls, [call("x")])
def test_remove_not_listened(self):
Target = self._fixture()
m1 = Mock()
t1 = Target()
event.listen(t1, "event_one", m1, propagate=True)
event.listen(t1, "event_three", m1)
event.remove(t1, "event_one", m1)
assert_raises_message(
exc.InvalidRequestError,
r"No listeners found for event <.*Target.*> / "
r"'event_two' / <Mock.*> ",
event.remove,
t1,
"event_two",
m1,
)
event.remove(t1, "event_three", m1)
def modify_query_fixture(self):
def set_event(bake_ok):
event.listen(
Query,
"before_compile",
_modify_query,
retval=True,
bake_ok=bake_ok,
)
return m1
m1 = mock.Mock()
def _modify_query(query):
m1(query.column_descriptions[0]["entity"])
query = query.enable_assertions(False).filter(
literal_column("1") == 1)
return query
yield set_event
event.remove(Query, "before_compile", _modify_query)
def evt():
event.remove(t1, "event_one", evt)
