forked from CGM_Public/pretix_original
144 lines
6.0 KiB
Python
144 lines
6.0 KiB
Python
# pytest
|
|
|
|
import base64
|
|
|
|
import pytest
|
|
from django.test import override_settings
|
|
|
|
from pretix.base import metrics
|
|
from pretix.base.views import metrics as metricsview
|
|
|
|
|
|
class FakeRedis(object):
|
|
|
|
def __init__(self):
|
|
self.storage = {}
|
|
|
|
def incrbyfloat(self, rkey, amount):
|
|
if rkey in self.storage:
|
|
self.storage[rkey] += amount
|
|
else:
|
|
self.set(rkey, amount)
|
|
|
|
def set(self, rkey, value):
|
|
self.storage[rkey] = value
|
|
|
|
def get(self, rkey):
|
|
# bytes-conversion here for emulating redis behavior without making incr too hard
|
|
return bytes(self.storage[rkey], encoding='utf-8')
|
|
|
|
|
|
@override_settings(HAS_REDIS=True)
|
|
def test_counter(monkeypatch):
|
|
|
|
fake_redis = FakeRedis()
|
|
|
|
monkeypatch.setattr(metrics, "redis", fake_redis, raising=False)
|
|
|
|
# now test
|
|
fullname_get = metrics.http_requests_total._construct_metric_identifier(
|
|
'http_requests_total', {"code": "200", "handler": "/foo", "method": "GET"}
|
|
)
|
|
fullname_post = metrics.http_requests_total._construct_metric_identifier(
|
|
'http_requests_total', {"code": "200", "handler": "/foo", "method": "POST"}
|
|
)
|
|
metrics.http_requests_total.inc(code="200", handler="/foo", method="GET")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_get] == 1
|
|
metrics.http_requests_total.inc(code="200", handler="/foo", method="GET")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_get] == 2
|
|
metrics.http_requests_total.inc(7, code="200", handler="/foo", method="GET")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_get] == 9
|
|
metrics.http_requests_total.inc(7, code="200", handler="/foo", method="POST")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_get] == 9
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_post] == 7
|
|
|
|
with pytest.raises(ValueError):
|
|
metrics.http_requests_total.inc(-4, code="200", handler="/foo", method="POST")
|
|
|
|
with pytest.raises(ValueError):
|
|
metrics.http_requests_total.inc(-4, code="200", handler="/foo", method="POST", too="much")
|
|
|
|
# test dimensionless counters
|
|
dimless_counter = metrics.Counter("dimless_counter", "this is a helpstring")
|
|
fullname_dimless = dimless_counter._construct_metric_identifier('dimless_counter')
|
|
dimless_counter.inc(20)
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_dimless] == 20
|
|
|
|
|
|
@override_settings(HAS_REDIS=True)
|
|
def test_gauge(monkeypatch):
|
|
|
|
fake_redis = FakeRedis()
|
|
|
|
monkeypatch.setattr(metrics, "redis", fake_redis, raising=False)
|
|
|
|
test_gauge = metrics.Gauge("my_gauge", "this is a helpstring", ["dimension"])
|
|
|
|
# now test
|
|
fullname_one = test_gauge._construct_metric_identifier('my_gauge', {"dimension": "one"})
|
|
fullname_two = test_gauge._construct_metric_identifier('my_gauge', {"dimension": "two"})
|
|
fullname_three = test_gauge._construct_metric_identifier('my_gauge', {"dimension": "three"})
|
|
|
|
test_gauge.inc(dimension="one")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 1
|
|
test_gauge.inc(7, dimension="one")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 8
|
|
test_gauge.dec(2, dimension="one")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
test_gauge.set(3, dimension="two")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_two] == 3
|
|
test_gauge.set(4, dimension="two")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_two] == 4
|
|
test_gauge.dec(7, dimension="three")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_two] == 4
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_three] == -7
|
|
test_gauge.inc(14, dimension="three")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_two] == 4
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_three] == 7
|
|
test_gauge.set(17, dimension="three")
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_one] == 6
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_two] == 4
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_three] == 17
|
|
|
|
with pytest.raises(ValueError):
|
|
test_gauge.inc(-17, dimension="three")
|
|
|
|
with pytest.raises(ValueError):
|
|
test_gauge.dec(-17, dimension="three")
|
|
|
|
with pytest.raises(ValueError):
|
|
test_gauge.set(7, unknown_label="foo")
|
|
|
|
with pytest.raises(ValueError):
|
|
test_gauge.set(7, dimension="one", too="much")
|
|
|
|
# test dimensionless gauges
|
|
dimless_gauge = metrics.Gauge("dimless_gauge", "this is a helpstring")
|
|
fullname_dimless = dimless_gauge._construct_metric_identifier('dimless_gauge')
|
|
dimless_gauge.set(20)
|
|
assert fake_redis.storage[metrics.REDIS_KEY_PREFIX + fullname_dimless] == 20
|
|
|
|
|
|
@pytest.mark.django_db
|
|
@override_settings(HAS_REDIS=True, METRICS_USER="foo", METRICS_PASSPHRASE="bar")
|
|
def test_metrics_view(monkeypatch, client):
|
|
|
|
fake_redis = FakeRedis()
|
|
monkeypatch.setattr(metricsview.metrics, "redis", fake_redis, raising=False)
|
|
|
|
counter_value = 3
|
|
fullname = metrics.http_requests_total._construct_metric_identifier('http_requests_total', {"code": "200", "handler": "/foo", "method": "GET"})
|
|
metricsview.metrics.http_requests_total.inc(counter_value, code="200", handler="/foo", method="GET")
|
|
|
|
# test unauthorized-page
|
|
assert "You are not authorized" in client.get('/metrics').content.decode('utf-8')
|
|
assert "{} {}".format(fullname, counter_value) not in client.get('/metrics')
|
|
|
|
# test metrics-view
|
|
basic_auth = {"HTTP_AUTHORIZATION": base64.b64encode(bytes("foo:bar", "utf-8"))}
|
|
assert "{} {}".format(fullname, counter_value) not in client.get("/metrics", headers=basic_auth)
|