1
我想用鼻子來測試我正在使用twisted和txmongo編寫的應用程序。我甚至無法簡單的用例類似下面的工作: 從nose.twistedtools導入反應器,推遲,threaded_reactor 進口記錄 從twisted.internet進口推遲 進口txmongo使用鼻子來測試txmongo從屬代碼
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,這總是回報如下:
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)
我試着手動添加一個threaded_reactor()調用,但它沒有幫助。
編輯
我刪除了「懶」的連接,並修改了代碼,而現在它的作品......我還是好奇,爲什麼「懶」沒有工作。工作代碼如下:
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