def test_querycondition_read(common_setup):
qc = QueryCondition(
common_setup.dr,
SampleState.Any | ViewState.Any | InstanceState.NotAliveDisposed,
lambda msg: msg.message.startswith("Hi"))
assert not qc.triggered
messages = [Message(message=f"Hi {i}!")
for i in range(5)] + [Message(message="Goodbye")]
for m in messages:
common_setup.dw.write(m)
received = common_setup.dr.read(N=6)
assert messages == received
common_setup.dw.dispose(messages[5])
assert not qc.triggered
common_setup.dw.dispose(messages[1])
assert qc.triggered
received = common_setup.dr.read(condition=qc)
assert len(received) == 1 and received[0] == messages[1]
def test_querycondition_get_mask(common_setup):
mask = SampleState.Any | InstanceState.Any | ViewState.Any
qc = QueryCondition(common_setup.dr, mask, lambda x: False)
assert qc.mask == qc.get_mask() == mask
mask = SampleState.NotRead | InstanceState.NotAliveNoWriters | ViewState.Old
assert qc.mask == qc.get_mask() != mask
qc = QueryCondition(common_setup.dr, mask, lambda x: False)
assert qc.mask == qc.get_mask() == mask
def test_querycondition_init(common_setup):
qc = QueryCondition(common_setup.dr,
SampleState.Any | InstanceState.Any | ViewState.Any,
lambda x: False)
assert isgoodentity(qc)
def test_querycondition_get_reader(common_setup):
qc = QueryCondition(common_setup.dr,
SampleState.Any | InstanceState.Any | ViewState.Any,
lambda x: False)
assert qc.get_datareader() == common_setup.dr