def test_notify_on_set(self):
# If call sql.set_global_engine(), notify callbacks get called.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_notify_on_set(self):
# If call sql.set_global_engine(), notify callbacks get called.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_notify_register_same(self):
# If you register the same callback twice, only gets called once.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
# Note that cb_mon.call_this would raise if it's called twice.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_notify_register_same(self):
# If you register the same callback twice, only gets called once.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
# Note that cb_mon.call_this would raise if it's called twice.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_multi_notify(self):
# You can also set multiple notify callbacks and they each get called.
cb_mon1 = CallbackMonitor()
cb_mon2 = CallbackMonitor()
sql.register_global_engine_callback(cb_mon1.call_this)
sql.register_global_engine_callback(cb_mon2.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon1.check()
cb_mon2.check()
def test_multi_notify(self):
# You can also set multiple notify callbacks and they each get called.
cb_mon1 = CallbackMonitor()
cb_mon2 = CallbackMonitor()
sql.register_global_engine_callback(cb_mon1.call_this)
sql.register_global_engine_callback(cb_mon2.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon1.check()
cb_mon2.check()
def test_set_same_engine(self):
# If you set the global engine to the same engine, callbacks don't get
# called.
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon = CallbackMonitor(expect_called=False)
sql.register_global_engine_callback(cb_mon.call_this)
# Note that cb_mon.call_this would raise if it's called.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_notify_once(self):
# After a callback is called, it's not called again if set global
# engine again.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
fake_engine = object()
# Note that cb_mon.call_this would raise if it's called again.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_set_same_engine(self):
# If you set the global engine to the same engine, callbacks don't get
# called.
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon = CallbackMonitor(expect_called=False)
sql.register_global_engine_callback(cb_mon.call_this)
# Note that cb_mon.call_this would raise if it's called.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_notify_once(self):
# After a callback is called, it's not called again if set global
# engine again.
cb_mon = CallbackMonitor()
sql.register_global_engine_callback(cb_mon.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
fake_engine = object()
# Note that cb_mon.call_this would raise if it's called again.
sql.set_global_engine(fake_engine)
cb_mon.check()
def test_callback_throws(self):
# If a callback function raises,
# a) the caller doesn't know about it,
# b) other callbacks are still called
cb_mon1 = CallbackMonitor(raise_=True)
cb_mon2 = CallbackMonitor()
sql.register_global_engine_callback(cb_mon1.call_this)
sql.register_global_engine_callback(cb_mon2.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon1.check()
cb_mon2.check()
def test_callback_throws(self):
# If a callback function raises,
# a) the caller doesn't know about it,
# b) other callbacks are still called
cb_mon1 = CallbackMonitor(raise_=True)
cb_mon2 = CallbackMonitor()
sql.register_global_engine_callback(cb_mon1.call_this)
sql.register_global_engine_callback(cb_mon2.call_this)
fake_engine = object()
sql.set_global_engine(fake_engine)
cb_mon1.check()
cb_mon2.check()
