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test_dogstatsd.py
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51 lines (38 loc) · 1.46 KB
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from collections import deque
import unittest
from datadog_lambda.dogstatsd import statsd
class FakeSocket(object):
def __init__(self):
self.payloads = deque()
def send(self, payload):
self.payloads.append(payload)
def recv(self, count=1, reset_wait=False, no_wait=False):
out = []
for _ in range(count):
out.append(self.payloads.popleft().decode("utf-8"))
return "\n".join(out)
def close(self):
pass
class TestDogStatsd(unittest.TestCase):
def setUp(self):
statsd.socket = FakeSocket()
def tearDown(self):
statsd.close_socket()
def recv(self, *args, **kwargs):
return statsd.socket.recv(*args, **kwargs)
def test_init(self):
self.assertEqual(statsd.host, "localhost")
self.assertEqual(statsd.port, 8125)
self.assertEqual(statsd.encoding, "utf-8")
def test_distribution_no_tags(self):
statsd.distribution("my.test.metric", 3)
payload = self.recv()
metrics = payload.split("\n")
self.assertEqual(len(metrics), 1)
self.assertEqual("my.test.metric:3|d", metrics[0])
def test_distribution_with_tags(self):
statsd.distribution("my.test.tags.metric", 3, tags=["taga:valuea,tagb:valueb"])
payload = self.recv()
metrics = payload.split("\n")
self.assertEqual(len(metrics), 1)
self.assertEqual("my.test.tags.metric:3|d|#taga:valuea_tagb:valueb", metrics[0])