trove/reddwarf/tests/api/limits.py
daniel-a-nguyen c27fd2447a Adds absolute limits to limit API call
Addresses XML issues

Change-Id: I96df93c36c06baf309f881fc1f21b5acbd7fa953
Fixes: bug #1154298
2013-03-12 20:52:04 -07:00

132 lines
4.0 KiB
Python

from nose.tools import assert_equal
from nose.tools import assert_false
from nose.tools import assert_true
from proboscis import before_class
from proboscis import test
from reddwarf.openstack.common import timeutils
from reddwarf.tests.util import create_dbaas_client
from reddwarfclient import exceptions
from datetime import datetime
from reddwarf.tests.util.users import Users
GROUP = "dbaas.api.limits"
DEFAULT_RATE = 200
DEFAULT_MAX_VOLUMES = 100
DEFAULT_MAX_INSTANCES = 55
@test(groups=[GROUP])
class Limits(object):
@before_class
def setUp(self):
users = [
{
"auth_user": "rate_limit",
"auth_key": "password",
"tenant": "4000",
"requirements": {
"is_admin": False,
"services": ["reddwarf"]
}
},
{
"auth_user": "rate_limit_exceeded",
"auth_key": "password",
"tenant": "4050",
"requirements": {
"is_admin": False,
"services": ["reddwarf"]
}
}]
self._users = Users(users)
rate_user = self._get_user('rate_limit')
self.rd_client = create_dbaas_client(rate_user)
def _get_user(self, name):
return self._users.find_user_by_name(name)
def __is_available(self, next_available):
dt_next = timeutils.parse_isotime(next_available)
dt_now = datetime.now()
return dt_next.time() < dt_now.time()
def _get_limits_as_dict(self, limits):
d = {}
for l in limits:
d[l.verb] = l
return d
@test
def test_limits_index(self):
"""test_limits_index"""
limits = self.rd_client.limits.list()
d = self._get_limits_as_dict(limits)
# remove the abs_limits from the rate limits
abs_limits = d.pop("ABSOLUTE", None)
assert_equal(abs_limits.verb, "ABSOLUTE")
assert_equal(int(abs_limits.maxTotalInstances), DEFAULT_MAX_INSTANCES)
assert_equal(int(abs_limits.maxTotalVolumes), DEFAULT_MAX_VOLUMES)
for k in d:
assert_equal(d[k].verb, k)
assert_equal(d[k].unit, "MINUTE")
assert_true(int(d[k].remaining) <= DEFAULT_RATE)
assert_true(d[k].nextAvailable is not None)
@test
def test_limits_get_remaining(self):
"""test_limits_get_remaining"""
limits = ()
for i in xrange(5):
limits = self.rd_client.limits.list()
d = self._get_limits_as_dict(limits)
abs_limits = d["ABSOLUTE"]
get = d["GET"]
assert_equal(int(abs_limits.maxTotalInstances), DEFAULT_MAX_INSTANCES)
assert_equal(int(abs_limits.maxTotalVolumes), DEFAULT_MAX_VOLUMES)
assert_equal(get.verb, "GET")
assert_equal(get.unit, "MINUTE")
assert_true(int(get.remaining) <= DEFAULT_RATE - 5)
assert_true(get.nextAvailable is not None)
@test
def test_limits_exception(self):
"""test_limits_exception"""
# use a different user to avoid throttling tests run out of order
rate_user_exceeded = self._get_user('rate_limit_exceeded')
rd_client = create_dbaas_client(rate_user_exceeded)
get = None
encountered = False
for i in xrange(DEFAULT_RATE + 50):
try:
limits = rd_client.limits.list()
d = self._get_limits_as_dict(limits)
get = d["GET"]
abs_limits = d["ABSOLUTE"]
assert_equal(get.verb, "GET")
assert_equal(get.unit, "MINUTE")
assert_equal(int(abs_limits.maxTotalInstances),
DEFAULT_MAX_INSTANCES)
assert_equal(int(abs_limits.maxTotalVolumes),
DEFAULT_MAX_VOLUMES)
except exceptions.OverLimit:
encountered = True
assert_true(encountered)
assert_true(int(get.remaining) <= 50)