Question

我们说我有一个名为program1test.py

的文件

import math
def test_1case1():
    assert math.sqrt(4) == 4

我使用PyDev中的Nose Test Runner运行，而Window中没有参数 - ＆gt;偏好 - ＆gt; PyDev - ＆gt;的PyUnit

结果如预期：

F
======================================================================
FAIL: program1test.test_1case1
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Python34\lib\site-packages\nose\case.py", line 198, in runTest
    self.test(*self.arg)
  File "D:\Users\Samuel Louie\Documents\workspace\testpy\program1test.py", line 5, in test_1case1
    assert math.sqrt(4) == 4
AssertionError

----------------------------------------------------------------------
Ran 1 test in 0.000s

FAILED (failures=1)

但是，我想检查math.sqrt（4）实际给出的内容。所以我添加了--detailed-errors作为Nose Test Runer的参数。

如果我现在运行测试，结果将是：

E
======================================================================
ERROR: program1test.test_1case1
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Python34\lib\site-packages\nose\case.py", line 134, in run
    self.runTest(result)
  File "C:\Python34\lib\site-packages\nose\case.py", line 152, in runTest
    test(result)
  File "C:\Python34\lib\unittest\case.py", line 622, in __call__
    return self.run(*args, **kwds)
  File "C:\Python34\lib\unittest\case.py", line 582, in run
    self._feedErrorsToResult(result, outcome.errors)
  File "C:\Python34\lib\unittest\case.py", line 513, in _feedErrorsToResult
    result.addFailure(test, exc_info)
  File "C:\Python34\lib\site-packages\nose\proxy.py", line 146, in addFailure
    plugins.addFailure(self.test, err)
  File "C:\Python34\lib\site-packages\nose\plugins\manager.py", line 99, in __call__
    return self.call(*arg, **kw)
  File "C:\Python34\lib\site-packages\nose\plugins\manager.py", line 167, in simple
    result = meth(*arg, **kw)
  File "C:\Program Files\Eclipse\plugins\org.python.pydev_3.4.1.201403181715\pysrc\pydev_runfiles_nose.py", line 126, in addFailure
    err,
  File "C:\Program Files\Eclipse\plugins\org.python.pydev_3.4.1.201403181715\pysrc\pydev_runfiles_nose.py", line 70, in reportCond
    error_contents = self.getIoFromError(error)
  File "C:\Program Files\Eclipse\plugins\org.python.pydev_3.4.1.201403181715\pysrc\pydev_runfiles_nose.py", line 101, in getIoFromError
    import traceback;traceback.print_exception(etype, value, tb, file=s)
  File "C:\Python34\lib\traceback.py", line 169, in print_exception
    for line in _format_exception_iter(etype, value, tb, limit, chain):
  File "C:\Python34\lib\traceback.py", line 146, in _format_exception_iter
    for value, tb in values:
  File "C:\Python34\lib\traceback.py", line 125, in _iter_chain
    context = exc.__context__
AttributeError: 'str' object has no attribute '__context__'

----------------------------------------------------------------------
Ran 1 test in 0.030s

FAILED (errors=1)

如何解决？

Answer 1

查看nose.tools.eq_：

from nose.tools import eq_
.....
eq_(math.sqrt(4), 4)

添加＆＃34;时出错 - 详细错误＆＃34; PyDev中测试运行器设置的参数

1 个答案: