[英]Multiple tests in one pytest function
I have a "conceptual" question regarding pytest and how I should handle multiple tests. 我有一个关于pytest的“概念”问题以及我应该如何处理多个测试。
Let's say I need to test something for a bunch of strings: names = [" ", "a ", " a", " a "]
. 假设我需要为一堆字符串测试一些东西:
names = [" ", "a ", " a", " a "]
。
I could create multiple test_
functions to test them individually, but they would be exactly the same, but with different input. 我可以创建多个
test_
函数来单独测试它们,但它们完全相同,但输入不同。
I was thinking on doing something like: 我在想做类似的事情:
def test_names():
names = [" ", "a ", " a", " a "]
for name in names:
with pytest.raises(errors.MyFooError) as ex:
random_method(name)
The problem is: doing this, in case one element doesn't raise errors.MyFooError
, I would receive this: 问题是:这样做,以防一个元素没有引发
errors.MyFooError
,我会收到这个:
Failed: DID NOT RAISE <class 'errors.MyFooError'
The message is generic, I have no idea in which element this occurred. 该消息是通用的,我不知道发生了哪个元素。
I would probably just split into 4 tests, one for each element of the list, I guess this is the correct way to do it? 我可能会分成4个测试,一个用于列表中的每个元素,我想这是正确的方法吗? What happens if the list is huge?
如果列表很大,会发生什么?
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