def test_mixed_listeners(self):
def listener3(value):
self.listenerVal3 = value
def listener4(value):
self.listenerVal4 = value
sample = Sample()
metaRpm = ChannelMeta(name='RPM')
metaEngineTemp = ChannelMeta(name='EngineTemp')
sample.channel_metas = [metaRpm, metaEngineTemp]
sample.samples = [SampleValue(1111, metaRpm)]
dataBus = DataBus()
dataBus.addChannelListener('RPM', listener3)
dataBus.addChannelListener('EngineTemp', listener4)
dataBus.update_samples(sample)
dataBus.notify_listeners(None)
#ensure we don't set the wrong listener
self.assertEqual(self.listenerVal3, 1111)
self.assertEqual(self.listenerVal4, None)
sample.samples = [SampleValue(1111, metaRpm), SampleValue(199, metaEngineTemp)]
dataBus.update_samples(sample)
dataBus.notify_listeners(None)
#ensure we don't affect unrelated channels
self.assertEqual(self.listenerVal3, 1111)
self.assertEqual(self.listenerVal4, 199)
def test_no_listener(self): sample = Sample() meta = ChannelMeta(name='EngineTemp') sample.channel_metas = [meta] sample.samples = [SampleValue(200, meta)] dataBus = DataBus() dataBus.update_samples(sample) dataBus.notify_listeners(None)
def test_meta_listener(self): dataBus = DataBus() def metaListener(channel): self.channelMeta = channel metas = ChannelMetaCollection() metas.channel_metas = [ChannelMeta(name='RPM')] dataBus.addMetaListener(metaListener) dataBus.update_channel_meta(metas) dataBus.notify_listeners(None) self.assertEqual(self.channelMeta['RPM'], metas.channel_metas[0])
def test_update_value(self):
dataBus = DataBus()
sample = Sample()
meta = ChannelMeta(name='RPM')
sample.channel_metas = [meta]
sample.samples = [SampleValue(1234, meta)]
dataBus.update_samples(sample)
dataBus.notify_listeners(None)
value = dataBus.getData('RPM')
self.assertEqual(value, 1234)
def test_listener(self):
def listener(value):
self.listenerVal0 = value
sample = Sample()
meta = ChannelMeta(name='RPM')
sample.channel_metas = [meta]
sample.samples = [SampleValue(1111, meta)]
dataBus = DataBus()
dataBus.addChannelListener('RPM', listener)
dataBus.update_samples(sample)
dataBus.notify_listeners(None)
self.assertEqual(self.listenerVal0, 1111)