[英]side_effect for "sys.argv" returns a tuple of 1,1 regardless of what I set it to when doing mock.patch
For some reason side_effect isn't having an effect when I try to change the first two instances of sys.argv to be anything they just default to 1,1.出于某种原因,当我尝试将 sys.argv 的前两个实例更改为它们默认为 1,1 的任何值时,side_effect 没有效果。
"""testing"""
def check_arg():
try:
num1 = int(sys.argv[1])
num2 = int(sys.argv[2])
except IndexError:
return False, False
except ValueError:
return False, False
else:
if num1 < num2:
return num1, num2
# elif num1 == num2:
# return False, False
else:
return num2, num1
"""test"""
@mock.patch("sys.argv", side_effect=["9", "2"])
def test_check_arg(self, mocktest):
checkarg = check_arg()
self.assertEqual(checkarg, (2, 2))
""" """
Problem: ... , line 23, in test_check_arg self.assertEqual(checkarg, (2, 2)) AssertionError: Tuples differ: (1, 1),= (2, 2)问题:...,第 23 行,在 test_check_arg self.assertEqual(checkarg, (2, 2)) AssertionError: Tuples differ: (1, 1),= (2, 2)
First differing element 0: False 2第一个不同的元素 0:False 2
It seems that side_effect
is not what you need in this case.在这种情况下, side_effect
似乎不是您所需要的。 It's enough if you use:如果你使用就足够了:
"""testing"""
def check_arg():
try:
num1 = int(sys.argv[0])
num2 = int(sys.argv[1])
except IndexError:
return False, False
except ValueError:
return False, False
else:
if num1 < num2:
return num1, num2
# elif num1 == num2:
# return False, False
else:
return num2, num1
"""test"""
@mock.patch("sys.argv", ["9", "2"])
def test_check_arg(self):
checkarg = check_arg()
self.assertEqual(checkarg, (2, 9))
This should work fine.这应该可以正常工作。 But reading the docs about sys.argv
( https://docs.python.org/3/library/sys.html#sys.argv ) sys.argv[0]
always contains the name of the script so it will probably be better like:但是阅读有关sys.argv
的文档( https://docs.python.org/3/library/sys.html#sys.argv ) sys.argv[0]
总是包含脚本的名称,因此它可能会更好喜欢:
It seems that side_effect
is not what you need in this case.在这种情况下, side_effect
似乎不是您所需要的。 It's enough if you use:如果你使用就足够了:
"""testing"""
def check_arg():
try:
num1 = int(sys.argv[1])
num2 = int(sys.argv[2])
except IndexError:
return False, False
except ValueError:
return False, False
else:
if num1 < num2:
return num1, num2
# elif num1 == num2:
# return False, False
else:
return num2, num1
"""test"""
@mock.patch("sys.argv", ["test_argv.py", "9", "2"])
def test_check_arg(self):
checkarg = check_arg()
self.assertEqual(checkarg, (2, 9))
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.