def test_register_view(self):
""" "
`MeterProvider` provides a way to configure `View`s.
"""
meter_provider = MeterProvider()
self.assertTrue(hasattr(meter_provider, "register_view"))
view = View()
meter_provider.register_view(view)
self.assertTrue(meter_provider._views, [view])
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])