[Dnsmasq-discuss] [PATCH] unittests
simon at thekelleys.org.uk
Thu Apr 29 22:42:06 UTC 2021
On 14/04/2021 18:35, Petr Menšík wrote:
> Hi Simon and other dnsmasq friends,
> after some struggling with Makefile support, I am sending my dnsmasq
> unit tests. It uses another directory with tests specific code. I moved
> some common parts to Makefile.config, in order to be able to reuse them.
> Unit tests are under tests directory with own Makefile.
> New target make check should work also from top directory. Some checks
> would work only from tests directory (make kyua). Current coverage is
> rather poor, but I hope can be used as a building block to better tests.
> Especially option parsing tests are easy to write. Testing of sending
> and receiving packets seems to be difficult, it should be tested by
> different kind of test IMHO.
> First is attempt to refactor, the second is what evolved into more
> complex set of tests.
> Original separate commits are still available on github .
> What do you think?
Well, I applied the patch, and run "make check" and all the tests passed!
Now I have to understand how to write new tests.
Would it make sense to consider some changes to the main code to make
the tests easier? I see that die() is a problem. Can we change the code
in die() to do something useful when testing?
Also the tests seem to can copies of initialisation code, does it make
sense to abstract the initialisation in main() so that it can be used by
the tests standalone?
I'm thinking of changing the existing main()
So that init() is available for testing.
> PS: sending this message again, because patch #2 were big enough to
> require moderator's approval. Compressed it as a workaround.
> 1. https://github.com/InfrastructureServices/dnsmasq/tree/unittests
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