shep/tests/test_redis.py

113 lines
3.1 KiB
Python

# standard imports
import unittest
import os
import logging
import sys
import importlib
# local imports
from shep.persist import PersistedState
from shep.error import (
StateExists,
StateInvalid,
StateItemExists,
StateItemNotFound,
)
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
class TestRedisStore(unittest.TestCase):
def setUp(self):
from shep.store.redis import RedisStoreFactory
self.factory = RedisStoreFactory()
self.factory.redis.flushall()
self.states = PersistedState(self.factory.add, 3)
self.states.add('foo')
self.states.add('bar')
self.states.add('baz')
def test_add(self):
self.states.put('abcd', state=self.states.FOO, contents='baz')
v = self.states.get('abcd')
self.assertEqual(v, 'baz')
v = self.states.state('abcd')
self.assertEqual(v, self.states.FOO)
def test_next(self):
self.states.put('abcd')
self.states.next('abcd')
self.assertEqual(self.states.state('abcd'), self.states.FOO)
self.states.next('abcd')
self.assertEqual(self.states.state('abcd'), self.states.BAR)
self.states.next('abcd')
self.assertEqual(self.states.state('abcd'), self.states.BAZ)
with self.assertRaises(StateInvalid):
self.states.next('abcd')
v = self.states.state('abcd')
self.assertEqual(v, self.states.BAZ)
def test_replace(self):
with self.assertRaises(StateItemNotFound):
self.states.replace('abcd', contents='foo')
self.states.put('abcd', state=self.states.FOO, contents='baz')
self.states.replace('abcd', contents='bar')
v = self.states.get('abcd')
self.assertEqual(v, 'bar')
def test_factory_ls(self):
r = self.factory.ls()
self.assertEqual(len(r), 0)
self.states.put('abcd')
self.states.put('xxxx', state=self.states.BAZ)
r = self.factory.ls()
self.assertEqual(len(r), 2)
self.states.put('yyyy', state=self.states.BAZ)
r = self.factory.ls()
self.assertEqual(len(r), 2)
self.states.put('zzzz', state=self.states.BAR)
r = self.factory.ls()
self.assertEqual(len(r), 3)
if __name__ == '__main__':
noredis = False
redis = None
try:
redis = importlib.import_module('redis')
except ModuleNotFoundError:
logg.critical('redis module not available, skipping tests.')
sys.exit(0)
host = os.environ.get('REDIS_HOST', 'localhost')
port = os.environ.get('REDIS_PORT', 6379)
port = int(port)
db = os.environ.get('REDIS_DB', 0)
db = int(db)
r = redis.Redis(host=host, port=port, db=db)
try:
r.get('foo')
except redis.exceptions.ConnectionError:
logg.critical('could not connect to redis, skipping tests.')
sys.exit(0)
except redis.exceptions.InvalidResponse as e:
logg.critical('is that really redis running on {}:{}? Got unexpected response: {}'.format(host, port, e))
sys.exit(0)
unittest.main()