[英]How to define a setup method only called once during testing with nosetest?
I am running a couple of nosetests
with test cases in different modules (files) each containing different tests. 我跑了几个nosetests
在不同的模块(文件)的测试情形分别包含不同的测试。
I want to define a function/method that is only called once during the execution with nosetest
. 我想定义一个函数/方法,只在执行nosetest
期间调用一次。
I looked at the documentation (and eg here ) and see there are methods like setup_module
etc. - but where and how to use them? 我查看了文档 (例如这里 )并看到有类似setup_module
等的方法 - 但是在哪里以及如何使用它们? Put them into my __init__.py
? 把它们放进我的__init__.py
? Something else? 别的什么?
I tried to use the following: 我试着使用以下内容:
class TestSuite(basicsuite.BasicSuite):
def setup_module(self):
print("MODULE")
...
but this printout is never done when I run the test with nosetest
. 但是当我用nosetest
运行测试时,这个打印输出永远不会完成。 I also do not derive from unittest.TestCase
(which will result in errors). 我也不是从unittest.TestCase
派生的(这将导致错误)。
When looking at a package level, you can define a function named setup
in the __init__.py
of that package. 查看包级别时,可以在该包的__init__.py
中定义名为setup
的函数。 Calling the tests in this package, the setup
function in the __init__.py
is called once. 调用此包中的测试, __init__.py
的setup
函数被调用一次。
Example setup 示例设置
- package
- __init__.py
- test1.py
- test2.py
See documentation section 'Test packages'. 请参阅文档部分“测试包”。
Try this one 试试这个吧
from nose import with_setup
def my_setup_function():
print ("my_setup_function")
def my_teardown_function():
print ("my_teardown_function")
@with_setup(my_setup_function, my_teardown_function)
def test_my_cool_test():
assert my_function() == 'expected_result'
Holp it helps ^^ Holp它有助于^^
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