linux-kernel - Re: [PATCH] lib: Convert test

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Message-ID: <20200806100540.GE3703480@smile.fi.intel.com>
Date:   Thu, 6 Aug 2020 13:05:40 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Arpitha Raghunandan <98.arpi@...il.com>
Cc:     brendanhiggins@...gle.com, skhan@...uxfoundation.org,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH] lib: Convert test_hexdump.c to KUnit

On Thu, Aug 06, 2020 at 03:14:40PM +0530, Arpitha Raghunandan wrote:
> Converts test lib/test_hexdump.c to KUnit.
> More information about KUnit can be found at
> https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html.
> KUnit provides a common framework for unit tests in the kernel.

...

> -	if (memcmp(test, real, TEST_HEXDUMP_BUF_SIZE)) {
> -		pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);
> -		pr_err("Result: '%s'\n", real);
> -		pr_err("Expect: '%s'\n", test);
> -		failed_tests++;
> -	}
> +	KUNIT_EXPECT_EQ(kunittest, 0, memcmp(test, real, TEST_HEXDUMP_BUF_SIZE));


Ah, can you explain how user will see now what is being expected and what is in
reality in the buffer? I'm not gonna accept such changes without showing in
explicitly that user is not going to suffer of this change.

-- 
With Best Regards,
Andy Shevchenko