From: Brendan Higgins <brendanhiggins@google.com>
To: Stephen Boyd <sboyd@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>,
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Subject: Re: [PATCH v9 01/18] kunit: test: add KUnit test runner core
Date: Mon, 15 Jul 2019 14:25:45 -0700 [thread overview]
Message-ID: <CAFd5g44kWHYceo85qxL98JKH2FYBwVLFuLzqNR+APpMC1aKWUQ@mail.gmail.com> (raw)
In-Reply-To: <20190715201054.C69AA2086C@mail.kernel.org>
On Mon, Jul 15, 2019 at 1:10 PM Stephen Boyd <sboyd@kernel.org> wrote:
>
> Quoting Brendan Higgins (2019-07-12 01:17:27)
> > Add core facilities for defining unit tests; this provides a common way
> > to define test cases, functions that execute code which is under test
> > and determine whether the code under test behaves as expected; this also
> > provides a way to group together related test cases in test suites (here
> > we call them test_modules).
> >
> > Just define test cases and how to execute them for now; setting
> > expectations on code will be defined later.
> >
> > Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
> > Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
> > Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
>
> Reviewed-by: Stephen Boyd <sboyd@kernel.org>
>
> Minor nits below.
>
> > diff --git a/kunit/test.c b/kunit/test.c
> > new file mode 100644
> > index 0000000000000..571e4c65deb5c
> > --- /dev/null
> > +++ b/kunit/test.c
> > @@ -0,0 +1,189 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Base unit test (KUnit) API.
> > + *
> > + * Copyright (C) 2019, Google LLC.
> > + * Author: Brendan Higgins <brendanhiggins@google.com>
> > + */
> > +
> > +#include <linux/kernel.h>
> > +#include <kunit/test.h>
> > +
> > +static void kunit_set_failure(struct kunit *test)
> > +{
> > + WRITE_ONCE(test->success, false);
> > +}
> > +
> [...]
> > +
> > +void kunit_init_test(struct kunit *test, const char *name)
> > +{
> > + test->name = name;
> > + test->success = true;
> > +}
> > +
> > +/*
> > + * Performs all logic to run a test case.
> > + */
> > +static void kunit_run_case(struct kunit_suite *suite,
> > + struct kunit_case *test_case)
> > +{
> > + struct kunit test;
> > + int ret = 0;
> > +
> > + kunit_init_test(&test, test_case->name);
> > +
> > + if (suite->init) {
> > + ret = suite->init(&test);
>
> Can you push the ret definition into this if scope? That way we can
> avoid default initialize to 0 for it.
Sure! I would actually prefer that from a cosmetic standpoint. I just
thought that mixing declarations and code was against the style guide.
> > + if (ret) {
> > + kunit_err(&test, "failed to initialize: %d\n", ret);
> > + kunit_set_failure(&test);
>
> Do we need to 'test_case->success = test.success' here too? Or is the
> test failure extracted somewhere else?
Er, yes. That's kind of embarrassing. Good catch.
> > + return;
> > + }
> > + }
> > +
> > + test_case->run_case(&test);
> > +
> > + if (suite->exit)
> > + suite->exit(&test);
> > +
> > + test_case->success = test.success;
Thanks!
next prev parent reply other threads:[~2019-07-15 21:26 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-12 8:17 [PATCH v9 00/18] kunit: introduce KUnit, the Linux kernel unit testing framework Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 01/18] kunit: test: add KUnit test runner core Brendan Higgins
2019-07-15 20:10 ` Stephen Boyd
2019-07-15 21:25 ` Brendan Higgins [this message]
2019-07-12 8:17 ` [PATCH v9 02/18] kunit: test: add test resource management API Brendan Higgins
2019-07-15 20:24 ` Stephen Boyd
2019-07-15 20:30 ` Brendan Higgins
2019-07-15 20:51 ` Stephen Boyd
2019-07-12 8:17 ` [PATCH v9 03/18] kunit: test: add string_stream a std::stream like string builder Brendan Higgins
2019-07-15 20:43 ` Stephen Boyd
2019-07-15 21:11 ` Brendan Higgins
2019-07-15 22:04 ` Stephen Boyd
2019-07-15 22:11 ` Brendan Higgins
2019-07-15 22:43 ` Brendan Higgins
2019-07-16 15:33 ` Stephen Boyd
2019-07-16 18:55 ` Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 04/18] kunit: test: add kunit_stream a std::stream like logger Brendan Higgins
2019-07-15 22:15 ` Stephen Boyd
2019-07-16 7:57 ` Brendan Higgins
2019-07-16 8:37 ` Brendan Higgins
2019-07-16 15:30 ` Stephen Boyd
2019-07-16 17:51 ` Brendan Higgins
2019-07-16 17:50 ` Stephen Boyd
2019-07-16 18:52 ` Brendan Higgins
2019-07-18 17:50 ` Stephen Boyd
2019-07-18 19:22 ` Brendan Higgins
2019-07-19 0:08 ` Brendan Higgins
2019-07-22 18:10 ` Brendan Higgins
2019-07-22 20:03 ` Stephen Boyd
2019-07-22 22:30 ` Brendan Higgins
2019-07-22 23:54 ` Stephen Boyd
2019-07-23 0:32 ` Brendan Higgins
2019-07-24 7:31 ` Petr Mladek
2019-07-25 20:21 ` Brendan Higgins
2019-07-26 8:31 ` Petr Mladek
2019-08-01 18:55 ` Brendan Higgins
2019-08-01 18:59 ` Brendan Higgins
2019-08-01 21:14 ` Stephen Boyd
2019-08-01 21:43 ` Brendan Higgins
2019-08-12 20:41 ` Brendan Higgins
2019-08-02 7:37 ` John Ogness
2019-08-12 21:12 ` Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 05/18] kunit: test: add the concept of expectations Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 06/18] kbuild: enable building KUnit Brendan Higgins
2019-07-15 20:49 ` Stephen Boyd
2019-07-12 8:17 ` [PATCH v9 07/18] kunit: test: add initial tests Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 08/18] objtool: add kunit_try_catch_throw to the noreturn list Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 09/18] kunit: test: add support for test abort Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 10/18] kunit: test: add tests for kunit " Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 11/18] kunit: test: add the concept of assertions Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 12/18] kunit: test: add tests for KUnit managed resources Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 13/18] kunit: tool: add Python wrappers for running KUnit tests Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 14/18] kunit: defconfig: add defconfigs for building " Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 15/18] Documentation: kunit: add documentation for KUnit Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 16/18] MAINTAINERS: add entry for KUnit the unit testing framework Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 17/18] kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() Brendan Higgins
2019-07-12 8:17 ` [PATCH v9 18/18] MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section Brendan Higgins
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