1
我想用鼻子来测试我正在使用twisted和txmongo编写的应用程序。我甚至无法简单的用例类似下面的工作: 从nose.twistedtools导入反应器,推迟,threaded_reactor 进口记录 从twisted.internet进口推迟 进口txmongo使用鼻子来测试txmongo从属代码
log = logging.getLogger("common.test.test_db")
conn = txmongo.lazyMongoConnectionPool('localhost', 27017, 4)
@deferred()
def test_mongo():
tdb = conn.test
@defer.inlineCallbacks
def cb(oid):
assert oid
obj = yield tdb.test.find({"_id":oid})
log.error("In callback")
assert obj
d = tdb.test.save({"s":1, "b":2})
d.addCallback(cb)
return d
然而,这总是回报如下:
E
======================================================================
ERROR: common.test.test_db.test_mongo
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Volumes/Users/jce/.pyenv/celery/lib/python2.6/site-packages/nose/case.py", line 186, in runTest
self.test(*self.arg)
File "/Volumes/Users/jce/.pyenv/celery/lib/python2.6/site-packages/nose/twistedtools.py", line 138, in errback
failure.raiseException()
File "/Volumes/Users/jce/.pyenv/celery/lib/python2.6/site-packages/twisted/python/failure.py", line 326, in raiseException
raise self.type, self.value, self.tb
RuntimeWarning: not connected
----------------------------------------------------------------------
Ran 1 test in 0.006s
FAILED (errors=1)
我试着手动添加一个threaded_reactor()调用,但它没有帮助。
编辑
我删除了“懒”的连接,并修改了代码,而现在它的作品......我还是好奇,为什么“懒”没有工作。工作代码如下:
dbconn = txmongo.MongoConnectionPool('localhost', 27017, 4)
@deferred()
def test_mongo():
@defer.inlineCallbacks
def cb(conn):
tdb = conn.test
oid = yield tdb.test.save({"s":1, "b":2})
assert oid
log.error(str(oid))
obj = yield tdb.test.find({"_id":oid})
assert obj
log.error(str(obj))
dbconn.addCallback(cb)
return dbconn