def test_target_info_restricted_registry(self):
registry = CollectorRegistry(target_info={'foo': 'bar'})
Summary('s', 'help', registry=registry).observe(7)
m = Metric('s', 'help', 'summary')
m.samples = [Sample('s_sum', {}, 7)]
self.assertEqual([m], registry.restricted_registry(['s_sum']).collect())
m = Metric('target', 'Target metadata', 'info')
m.samples = [Sample('target_info', {'foo': 'bar'}, 1)]
self.assertEqual([m], registry.restricted_registry(['target_info']).collect())
def test_restricted_registry_does_not_yield_while_locked(self):
registry = CollectorRegistry(target_info={'foo': 'bar'})
Summary('s', 'help', registry=registry).observe(7)
m = Metric('s', 'help', 'summary')
m.samples = [Sample('s_sum', {}, 7)]
self.assertEqual([m], list(registry.restricted_registry(['s_sum']).collect()))
m = Metric('target', 'Target metadata', 'info')
m.samples = [Sample('target_info', {'foo': 'bar'}, 1)]
for _ in registry.restricted_registry(['target_info', 's_sum']).collect():
self.assertFalse(registry._lock.locked())
def test_restricted_registry(self):
registry = CollectorRegistry()
Counter('c_total', 'help', registry=registry)
Summary('s', 'help', registry=registry).observe(7)
m = Metric('s', 'help', 'summary')
m.samples = [Sample('s_sum', {}, 7)]
self.assertEqual([m], registry.restricted_registry(['s_sum']).collect())
def test_restricted_registry_does_not_call_extra(self):
from unittest.mock import MagicMock
registry = CollectorRegistry()
mock_collector = MagicMock()
mock_collector.describe.return_value = [Metric('foo', 'help', 'summary')]
registry.register(mock_collector)
Summary('s', 'help', registry=registry).observe(7)
m = Metric('s', 'help', 'summary')
m.samples = [Sample('s_sum', {}, 7)]
self.assertEqual([m], list(registry.restricted_registry(['s_sum']).collect()))
mock_collector.collect.assert_not_called()