def test_measure(self):
g = Gauge(GaugeTest.tid)
g.set(42)
ms = g._measure()
self.assertEqual(42, g.get())
self.assertEqual(1, len(ms))
self.assertEqual(42, ms[GaugeTest.tid.with_stat('gauge')])
def test_measure(self):
g = Gauge(GaugeTest.tid)
g.set(42)
ms = g._measure()
self.assertTrue(math.isnan(g.get()))
self.assertEqual(len(ms), 1)
self.assertEqual(ms[GaugeTest.tid.with_stat('gauge')], 42)
def test_ttl_reset(self):
clock = ManualClock()
g = Gauge(GaugeTest.tid, clock=clock)
g.set(42)
clock.set_wall_time(g.ttl + 1)
ms = g._measure()
self.assertTrue(math.isnan(g.get()))
self.assertEqual(1, len(ms))
self.assertEqual(42, ms[GaugeTest.tid.with_stat('gauge')])
def gauge(self, name, tags=None):
return self._new_meter(name, tags, lambda id: Gauge(id), Gauge,
self.noopGauge)
def test_set(self):
g = Gauge(GaugeTest.tid)
self.assertTrue(math.isnan(g.get()))
g.set(1)
self.assertEqual(g.get(), 1)
def test_get(self):
"""Avoid breaking the API."""
g = Gauge(self.tid, writer=MemoryWriter())
g.set(1)
self.assertEqual(0, g.get())
def test_custom_ttl(self):
g = Gauge(self.tid, ttl_seconds=120, writer=MemoryWriter())
g.set(42)
self.assertEqual("g,120:test:42", g._writer.last_line())
def test_set(self):
g = Gauge(self.tid, writer=MemoryWriter())
self.assertTrue(g._writer.is_empty())
g.set(1)
self.assertEqual("g:test:1", g._writer.last_line())
def gauge(self, name: str, tags: Optional[dict] = None,
ttl_seconds: Optional[int] = None) -> Gauge:
return Gauge(self._new_meter(name, tags), ttl_seconds=ttl_seconds, writer=self._writer)
def test_user_statistic(self):
g = Gauge(GaugeTest.tid.with_stat('duration'))
g.set(42)
for id in g._measure().keys():
self.assertEqual('duration', id.tags()['statistic'])