def test_constant_tags(self):
"""
Constant tags are attached to all metrics.
"""
dog = ThreadStats(constant_tags=["type:constant"])
dog.start(roll_up_interval=1, flush_in_thread=False)
dog.reporter = self.reporter
# Post the same metric with different tags.
dog.gauge("gauge", 10, timestamp=100.0)
dog.gauge("gauge", 15, timestamp=100.0, tags=["env:production", 'db'])
dog.gauge("gauge", 20, timestamp=100.0, tags=["env:staging"])
dog.increment("counter", timestamp=100.0)
dog.increment("counter", timestamp=100.0, tags=["env:production", 'db'])
dog.increment("counter", timestamp=100.0, tags=["env:staging"])
dog.flush(200.0)
# Assertions on all metrics
self.assertMetric(count=6)
# Assertions on gauges
self.assertMetric(name='gauge', value=10, tags=["type:constant"], count=1)
self.assertMetric(name="gauge", value=15,
tags=["env:production", "db", "type:constant"], count=1) # noqa
self.assertMetric(name="gauge", value=20, tags=["env:staging", "type:constant"], count=1)
# Assertions on counters
self.assertMetric(name="counter", value=1, tags=["type:constant"], count=1)
self.assertMetric(name="counter", value=1,
tags=["env:production", "db", "type:constant"], count=1) # noqa
self.assertMetric(name="counter", value=1, tags=["env:staging", "type:constant"], count=1)
# Ensure histograms work as well.
@dog.timed('timed', tags=['version:1'])
def do_nothing():
"""
A function that does nothing, but being timed.
"""
pass
with patch("datadog.threadstats.base.time", return_value=300):
do_nothing()
dog.histogram('timed', 20, timestamp=300.0, tags=['db', 'version:2'])
self.reporter.metrics = []
dog.flush(400.0)
# Histograms, and related metric types, produce 8 different metrics
self.assertMetric(tags=["version:1", "type:constant"], count=8)
self.assertMetric(tags=["db", "version:2", "type:constant"], count=8)
def test_constant_tags(self):
"""
Constant tags are attached to all metrics.
"""
dog = ThreadStats(constant_tags=["type:constant"])
dog.start(roll_up_interval=1, flush_in_thread=False)
dog.reporter = self.reporter
# Post the same metric with different tags.
dog.gauge("gauge", 10, timestamp=100.0)
dog.gauge("gauge", 15, timestamp=100.0, tags=["env:production", 'db'])
dog.gauge("gauge", 20, timestamp=100.0, tags=["env:staging"])
dog.increment("counter", timestamp=100.0)
dog.increment("counter", timestamp=100.0, tags=["env:production", 'db'])
dog.increment("counter", timestamp=100.0, tags=["env:staging"])
dog.flush(200.0)
# Assertions on all metrics
self.assertMetric(count=6)
# Assertions on gauges
self.assertMetric(name='gauge', value=10, tags=["type:constant"], count=1)
self.assertMetric(name="gauge", value=15, tags=["env:production", "db", "type:constant"], count=1) # noqa
self.assertMetric(name="gauge", value=20, tags=["env:staging", "type:constant"], count=1)
# Assertions on counters
self.assertMetric(name="counter", value=1, tags=["type:constant"], count=1)
self.assertMetric(name="counter", value=1, tags=["env:production", "db", "type:constant"], count=1) # noqa
self.assertMetric(name="counter", value=1, tags=["env:staging", "type:constant"], count=1)
# Ensure histograms work as well.
@dog.timed('timed', tags=['version:1'])
def do_nothing():
"""
A function that does nothing, but being timed.
"""
pass
with patch("datadog.threadstats.base.time", return_value=300):
do_nothing()
dog.histogram('timed', 20, timestamp=300.0, tags=['db', 'version:2'])
self.reporter.metrics = []
dog.flush(400.0)
# Histograms, and related metric types, produce 8 different metrics
self.assertMetric(tags=["version:1", "type:constant"], count=8)
self.assertMetric(tags=["db", "version:2", "type:constant"], count=8)
def test_stop(self):
dog = ThreadStats()
dog.start(flush_interval=1, roll_up_interval=1)
dog.reporter = MemoryReporter()
for i in range(10):
dog.gauge('metric', i)
time.sleep(2)
flush_count = dog.flush_count
assert flush_count
dog.stop()
for i in range(10):
dog.gauge('metric', i)
time.sleep(2)
for i in range(10):
dog.gauge('metric', i)
time.sleep(2)
assert dog.flush_count in [flush_count, flush_count + 1]
def test_metric_namespace(self):
"""
Namespace prefixes all metric names.
"""
# Set up ThreadStats with a namespace
dog = ThreadStats(namespace="foo")
dog.start(roll_up_interval=1, flush_in_thread=False)
dog.reporter = self.reporter
# Send a few metrics
dog.gauge("gauge", 20, timestamp=100.0)
dog.increment("counter", timestamp=100.0)
dog.flush(200.0)
# Metric names are prefixed with the namespace
self.assertMetric(count=2)
self.assertMetric(name="foo.gauge", count=1)
self.assertMetric(name="foo.counter", count=1)
def test_metric_namespace(self):
"""
Namespace prefixes all metric names.
"""
# Set up ThreadStats with a namespace
dog = ThreadStats(namespace="foo")
dog.start(roll_up_interval=1, flush_in_thread=False)
dog.reporter = self.reporter
# Send a few metrics
dog.gauge("gauge", 20, timestamp=100.0)
dog.increment("counter", timestamp=100.0)
dog.flush(200.0)
# Metric names are prefixed with the namespace
self.assertMetric(count=2)
self.assertMetric(name="foo.gauge", count=1)
self.assertMetric(name="foo.counter", count=1)