trove/reddwarf/tests/api/limits.py

110 lines
3.3 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 reddwarf.tests.util import test_config
from reddwarfclient import exceptions
from datetime import datetime
GROUP = "dbaas.api.limits"
DEFAULT_RATE = 200
# Note: This should not be enabled until rd-client merges
RD_CLIENT_OK = False
@test(groups=[GROUP])
class Limits(object):
@before_class
def setUp(self):
rate_user = self._get_user('rate_limit')
self.rd_client = create_dbaas_client(rate_user)
def _get_user(self, name):
return test_config.users.find_user_by_name(name)
def _get_next_available(self, resource):
return resource.__dict__['next-available']
def __is_available(self, next_available):
dt_next = timeutils.parse_isotime(next_available)
dt_now = datetime.now()
return dt_next.time() < dt_now.time()
@test(enabled=RD_CLIENT_OK)
def test_limits_index(self):
"""test_limits_index"""
r1, r2, r3, r4 = self.rd_client.limits.index()
assert_equal(r1.verb, "POST")
assert_equal(r1.unit, "MINUTE")
assert_true(r1.remaining <= DEFAULT_RATE)
next_available = self._get_next_available(r1)
assert_true(next_available is not None)
assert_equal(r2.verb, "PUT")
assert_equal(r2.unit, "MINUTE")
assert_true(r2.remaining <= DEFAULT_RATE)
next_available = self._get_next_available(r2)
assert_true(next_available is not None)
assert_equal(r3.verb, "DELETE")
assert_equal(r3.unit, "MINUTE")
assert_true(r3.remaining <= DEFAULT_RATE)
next_available = self._get_next_available(r3)
assert_true(next_available is not None)
assert_equal(r4.verb, "GET")
assert_equal(r4.unit, "MINUTE")
assert_true(r4.remaining <= DEFAULT_RATE)
next_available = self._get_next_available(r4)
assert_true(next_available is not None)
@test(enabled=RD_CLIENT_OK)
def test_limits_get_remaining(self):
"""test_limits_get_remaining"""
gets = None
for i in xrange(5):
r1, r2, r3, r4 = self.rd_client.limits.index()
gets = r4
assert_equal(gets.verb, "GET")
assert_equal(gets.unit, "MINUTE")
assert_true(gets.remaining <= DEFAULT_RATE - 5)
next_available = self._get_next_available(gets)
assert_true(next_available is not None)
@test(enabled=RD_CLIENT_OK)
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)
gets = None
encountered = False
for i in xrange(DEFAULT_RATE + 50):
try:
r1, r2, r3, r4 = rd_client.limits.index()
gets = r4
assert_equal(gets.verb, "GET")
assert_equal(gets.unit, "MINUTE")
except exceptions.OverLimit:
encountered = True
assert_true(encountered)
assert_true(gets.remaining <= 50)