[TIP] mocking a file in /proc
apieum at gmail.com
Tue May 9 06:31:25 PDT 2017
I'm not advocating against functionnal tests in my answer, but if you want
my opinion about them it's best explained here:
Then I've answered for TDD and BDD and not for real live system, the
purpose is different. By the way if you have cases where it's relevant to
test open() in real live system, I'm curious.
Once you've tested open() is called correctly (by injecting a mock of
open()) what's the point to test if it works in a real live system
otherwise testing if open() implementation works correctly?
2017-05-09 14:31 GMT+02:00 Matt Wheeler <m at funkyhat.org>:
> On Tue, 9 May 2017, 11:50 Gregory Salvan, <apieum at gmail.com> wrote:
>> It's to generic to have complex examples, but you really can test
>> everything without writing data in files, and it's not really relevant to
>> test if data are really written as it's the same as testing if there's no
>> errors in python "open" implementation. I think we can trust python
>> developpers for that ;)
> No, it's not just testing that open() works correctly, it's also testing
> that it's being called correctly in a real* live system. You seem to be
> advocating against functional tests as a concept?
> *certainly more real than a system involving mocking open() in a unit test.
> Matt Wheeler
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