def test_gauge(self, capsys):
ddcm = CloudwatchMetrics({})
ddcm.gauge('foo', value=100, tags=['key1:val', 'key2:val'])
out, err = capsys.readouterr()
assert out == 'MONITORING|1488817800|100|gauge|foo|#key1:val,key2:val\n'
assert err == ''
def test_timing(self, capsys):
# .timing is a histogram
ddcm = CloudwatchMetrics({})
ddcm.timing('foo', value=100, tags=['key1:val', 'key2:val'])
out, err = capsys.readouterr()
assert out == 'MONITORING|1488817800|100|histogram|foo|#key1:val,key2:val\n'
assert err == ''
def test_histogram(self, capsys):
rec = MetricsRecord("histogram",
key="foo",
value=100,
tags=["key1:val", "key2:val"])
ddcm = CloudwatchMetrics()
ddcm.emit_to_backend(rec)
out, err = capsys.readouterr()
assert out == "MONITORING|1488817800|100|histogram|foo|#key1:val,key2:val\n"
assert err == ""
def test_filters(self, capsys):
class BlueFilter(MetricsFilter):
def filter(self, record):
if "blue" not in record.key:
return
return record
ddcm = CloudwatchMetrics(filters=[BlueFilter()])
ddcm.emit_to_backend(MetricsRecord("incr", key="foo", value=1,
tags=[]))
ddcm.emit_to_backend(
MetricsRecord("incr", key="foo.blue", value=2, tags=[]))
out, err = capsys.readouterr()
assert out == "MONITORING|1488817800|2|count|foo.blue|\n"
assert err == ""