def test_global_proxy_meter_provider(self):
# Global get_meter_provider() should initially be a _ProxyMeterProvider
# singleton
proxy_meter_provider: _ProxyMeterProvider = get_meter_provider()
self.assertIsInstance(proxy_meter_provider, _ProxyMeterProvider)
self.assertIs(get_meter_provider(), proxy_meter_provider)
def test_get_meter_provider(reset_meter_provider):
"""
Test that the API provides a way to get a global default MeterProvider
"""
assert metrics._METER_PROVIDER is None
assert isinstance(get_meter_provider(), _ProxyMeterProvider)
metrics._METER_PROVIDER = None
with patch.dict("os.environ",
{OTEL_PYTHON_METER_PROVIDER: "test_meter_provider"}):
with patch("opentelemetry._metrics._load_provider", Mock()):
with patch(
"opentelemetry._metrics.cast",
Mock(**{"return_value": "test_meter_provider"}),
):
assert get_meter_provider() == "test_meter_provider"
def test_set_meter_provider(reset_meter_provider):
"""
Test that the API provides a way to set a global default MeterProvider
"""
mock = Mock()
assert metrics._METER_PROVIDER is None
set_meter_provider(mock)
assert metrics._METER_PROVIDER is mock
assert get_meter_provider() is mock
from opentelemetry._metrics import get_meter_provider, set_meter_provider
from opentelemetry.exporter.otlp.proto.grpc._metric_exporter import (
OTLPMetricExporter,
)
from opentelemetry.sdk._metrics import MeterProvider
from opentelemetry.sdk._metrics.export import PeriodicExportingMetricReader
exporter = OTLPMetricExporter(insecure=True)
reader = PeriodicExportingMetricReader(exporter)
provider = MeterProvider(metric_readers=[reader])
set_meter_provider(provider)
meter = get_meter_provider().get_meter("getting-started")
counter = meter.create_counter("first_counter")
counter.add(1)
# TODO: fill in details for additional metrics