python - 为所有 nosetests 测试执行一次设置和拆卸功能

Question

如何为所有 nosetests 测试执行一次设置和拆卸功能？

def common_setup():
    #time consuming code
    pass

def common_teardown():
    #tidy up
    pass

def test_1():
    pass

def test_2():
    pass

#desired behavior
common_setup()
test_1()
test_2()
common_teardown()

请注意，存在一个 similar question在用 pass 替换点并添加行 导入单元测试。不幸的是，我的声誉太低，无法对此发表评论。

Answer 1

您可以拥有模块级别的设置功能。根据nose documentation :

Test modules offer module-level setup and teardown; define the method setup, setup_module, setUp or setUpModule for setup, teardown, teardown_module, or tearDownModule for teardown.

因此，更具体地说，对于您的情况:

def setup_module():
    print "common_setup"

def teardown_module():
    print "common_teardown"

def test_1():
    print "test_1"

def test_2():
    print "test_2"

运行测试给你:

$ nosetests common_setup_test.py -s -v
common_setup
common_setup_test.test_1 ... test_1
ok
common_setup_test.test_2 ... test_2
ok
common_teardown

----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK

选择哪个名称并不重要，因此 setup 和 setup_module 的工作方式相同，但 setup_module 更清晰.