什麼會導致這個unicode對象在nosetests lib中不可調用錯誤？

我有一些測試流程的API的測試案例（使用requests.Session()，同時爲我們的後端多次調用。）什麼會導致這個unicode對象在nosetests lib中不可調用錯誤？

這個測試用例通過我的Mac和其他國家人民的Mac電腦。但是當它在Jenkins中執行時，我得到一個錯誤。還有其他類似的測試案例，在Jenkins中沒有問題就通過了。不幸的是，我不能分享測試代碼本身。

詹金斯在Ubuntu 14.04

運行，但這裏的測試代碼的第一行，如果有幫助。

# filename: test_payment_visa.py 

import unittest 
from tests.utils import WWHTTPClient 
import math 
from nose.plugins.attrib import attr 


class TestPaymentWorkflow(unittest.TestCase): 
    def setUp(self): 
     self.ww_api = WWHTTPClient() 

    def test_payment_visa(self): 
     """Test for Payment Workflow via VISA"""

有沒有人有一個想法，這可能是什麼？

Traceback (most recent call last): 
    File "/var/lib/jenkins/.virtualenvs/api-tests/bin/nosetests", line 11, in <module> 
    sys.exit(run_exit()) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/core.py", line 121, in __init__ 
    **extra_args) 
    File "/usr/lib/python2.7/unittest/main.py", line 95, in __init__ 
    self.runTests() 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/core.py", line 207, in runTests 
    result = self.testRunner.run(self.test) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/core.py", line 62, in run 
    test(result) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 177, in __call__ 
    return self.run(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 224, in run 
    test(orig) 
    File "/usr/lib/python2.7/unittest/suite.py", line 70, in __call__ 
    return self.run(*args, **kwds) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 75, in run 
    test(result) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 177, in __call__ 
    return self.run(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 224, in run 
    test(orig) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 177, in __call__ 
    return self.run(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 224, in run 
    test(orig) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 177, in __call__ 
    return self.run(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/suite.py", line 224, in run 
    test(orig) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/case.py", line 45, in __call__ 
    return self.run(*arg, **kwarg) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/case.py", line 138, in run 
    result.addError(self, err) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/proxy.py", line 131, in addError 
    plugins.addError(self.test, err) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/plugins/manager.py", line 99, in __call__ 
    return self.call(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/plugins/manager.py", line 167, in simple 
    result = meth(*arg, **kw) 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/plugins/xunit.py", line 288, in addError 
    id = test.id() 
    File "/var/lib/jenkins/.virtualenvs/api-tests/local/lib/python2.7/site-packages/nose/case.py", line 85, in id 
    return self.test.id() 
TypeError: 'unicode' object is not callable

來源

2016-09-21 raitisd

您沒有提供足夠的上下文來回答。但是這個錯誤信息基本上是說，在某個地方，你把一個字符串視爲一個方法或函數。 –

我預計這個問題不在我寫的代碼中。錯誤發生在正在嘗試獲取測試用例描述的方法中的/site-packages/nose/case.py第85行。而這個錯誤並不出現在我的本地機器上。 – raitisd

所以我的代碼有問題。

我使用了一個聲明self.id = r.json()["orders"][0]["id"]

# filename: test_payment_visa.py 

import unittest 
from tests.utils import WWHTTPClient 
import math 
from nose.plugins.attrib import attr 


class TestPaymentWorkflow(unittest.TestCase): 
    def setUp(self): 
     self.ww_api = WWHTTPClient() 

    def test_payment_visa(self): 
     """Test for Payment Workflow via VISA"""  
     ... 
     ... 
     self.id = r.json()["orders"][0]["id"] 
     ... 
     ...

問題是，unittest.TestCase CLAS有一個名爲id方法。

def id(self): 
    """Get a short(er) description of the test 
    """ 
    return self.test.id()

所以我認爲試運行期間我設置self.id爲Unicode字符串，然後nosetests試圖調用其id方法，並且正在TypeError: 'unicode' object is not callable例外。

來源

2016-09-21 13:28:32 raitisd

什麼會導致這個unicode對象在nosetests lib中不可調用錯誤？

回答

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