def test_force_flush_result(self):
"""
`MeterProvider.force_flush` provides a way to let the caller know if it
succeeded or failed.
`MeterProvider.force_flush` is implemented by at least invoking
``force_flush`` on all registered `SDKMetricReader`s and `ConsoleMetricExporter`s.
"""
meter_provider = MeterProvider()
meter_provider.register_metric_reader(
Mock(**{"force_flush.return_value": True}))
meter_provider.register_metric_exporter(
Mock(**{"force_flush.return_value": True}))
self.assertTrue(meter_provider.force_flush())
meter_provider = MeterProvider()
meter_provider.register_metric_reader(
Mock(**{"force_flush.return_value": True}))
meter_provider.register_metric_exporter(
Mock(**{"force_flush.return_value": False}))
self.assertFalse(meter_provider.force_flush())
def test_register_metric_reader(self):
""" "
`MeterProvider` provides a way to configure `SDKMetricReader`s.
"""
meter_provider = MeterProvider()
self.assertTrue(hasattr(meter_provider, "register_metric_reader"))
metric_reader = SDKMetricReader()
meter_provider.register_metric_reader(metric_reader)
self.assertTrue(meter_provider._metric_readers, [metric_reader])