def test_register_asynchronous_instrument(self,
mock_sync_measurement_consumer):
meter_provider = MeterProvider()
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_counter(
"name", Mock()))
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_up_down_counter(
"name", Mock()))
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_gauge(
"name", Mock()))
def test_consume_measurement_counter(self, mock_sync_measurement_consumer):
sync_consumer_instance = mock_sync_measurement_consumer()
meter_provider = MeterProvider()
counter = meter_provider.get_meter("name").create_counter("name")
counter.add(1)
sync_consumer_instance.consume_measurement.assert_called()
def test_get_meter_duplicate(self):
"""
Subsequent calls to `MeterProvider.get_meter` with the same arguments
should return the same `Meter` instance.
"""
mp = MeterProvider()
meter1 = mp.get_meter(
"name",
version="version",
schema_url="schema_url",
)
meter2 = mp.get_meter(
"name",
version="version",
schema_url="schema_url",
)
meter3 = mp.get_meter(
"name2",
version="version",
schema_url="schema_url",
)
self.assertIs(meter1, meter2)
self.assertIsNot(meter1, meter3)
def test_meter_configuration(self):
"""
Any updated configuration is applied to all returned `Meter`s.
"""
meter_provider = MeterProvider()
view_0 = View()
meter_provider.register_view(view_0)
meter_0 = meter_provider.get_meter("meter_0")
meter_1 = meter_provider.get_meter("meter_1")
self.assertEqual(meter_0._meter_provider._views, [view_0])
self.assertEqual(meter_1._meter_provider._views, [view_0])
view_1 = View()
meter_provider.register_view(view_1)
self.assertEqual(meter_0._meter_provider._views, [view_0, view_1])
self.assertEqual(meter_1._meter_provider._views, [view_0, view_1])