dbr*_*dbr 9 python testing nose
是否有一个现有的插件可以使用如下:
@nose.plugins.expectedfailure
def not_done_yet():
a = Thingamajig().fancynewthing()
assert a == "example"
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如果测试失败,它将显示为跳过的测试:
$ nosetests
...S..
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..但如果它意外通过,它会出现类似于失败,可能像:
=================================
UNEXPECTED PASS: not_done_yet
---------------------------------
-- >> begin captured stdout << --
Things and etc
...
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有点像SkipTest,但没有实现为阻止测试运行的异常.
我唯一能找到的是这张关于支持unittest2expectedFailure装饰器的票(虽然我不想使用unittest2,即使是鼻支持它)
aqu*_*tae 11
我不知道鼻子插件,但你可以轻松编写自己的装饰器来做到这一点.这是一个简单的实现:
import functools
import nose
def expected_failure(test):
@functools.wraps(test)
def inner(*args, **kwargs):
try:
test(*args, **kwargs)
except Exception:
raise nose.SkipTest
else:
raise AssertionError('Failure expected')
return inner
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如果我运行这些测试:
@expected_failure
def test_not_implemented():
assert False
@expected_failure
def test_unexpected_success():
assert True
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我从鼻子得到以下输出:
tests.test.test_not_implemented ... SKIP
tests.test.test_unexpected_success ... FAIL
======================================================================
FAIL: tests.test.test_unexpected_success
----------------------------------------------------------------------
Traceback (most recent call last):
File "C:\Python32\lib\site-packages\nose-1.1.2-py3.2.egg\nose\case.py", line 198, in runTest
self.test(*self.arg)
File "G:\Projects\Programming\dt-tools\new-sanbi\tests\test.py", line 16, in inner
raise AssertionError('Failure expected')
AssertionError: Failure expected
----------------------------------------------------------------------
Ran 2 tests in 0.016s
FAILED (failures=1)
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如果我误解了,请原谅我,但是核心 pythonunittest库与expectedFailure装饰器(扩展名 xe2x80x94 与 xe2x80x94 兼容)是否提供了您想要的行为nose?
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