Re: [PATCH v12 04/18] kunit: test: add assertion printing library

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On Mon, Aug 12, 2019 at 4:56 PM Brendan Higgins
<brendanhiggins@xxxxxxxxxx> wrote:
>
> On Mon, Aug 12, 2019 at 4:46 PM Stephen Boyd <sboyd@xxxxxxxxxx> wrote:
> >
> > Quoting Brendan Higgins (2019-08-12 11:24:07)
> > > Add `struct kunit_assert` and friends which provide a structured way to
> > > capture data from an expectation or an assertion (introduced later in
> > > the series) so that it may be printed out in the event of a failure.
> > >
> > > Signed-off-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
> > > ---
> >
> > Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxx>
> >
> > Just some minor nits below
> >
> > > diff --git a/include/kunit/assert.h b/include/kunit/assert.h
> > > new file mode 100644
> > > index 0000000000000..55f1b88b0cb4d
> > > --- /dev/null
> > > +++ b/include/kunit/assert.h
> > > @@ -0,0 +1,183 @@
> > [...]
> > > +                           struct string_stream *stream);
> > > +
> > > +struct kunit_fail_assert {
> > > +       struct kunit_assert assert;
> > > +};
> > > +
> > > +void kunit_fail_assert_format(const struct kunit_assert *assert,
> > > +                             struct string_stream *stream);
> > > +
> > > +#define KUNIT_INIT_FAIL_ASSERT_STRUCT(test, type) {                           \
> > > +               .assert = KUNIT_INIT_ASSERT_STRUCT(test,                       \
> > > +                                                  type,                       \
> > > +                                                  kunit_fail_assert_format)   \
> >
> > This one got indented one too many times?
>
> Not unless I have been using the wrong formatting for multiline
> macros. You can see this commit applied here:
> https://kunit.googlesource.com/linux/+/870964da2990920030990dd1ffb647ef408e52df/include/kunit/assert.h#59
>
> I have test, type, and kunit_fail_assert_format all column aligned (it
> just doesn't render nicely in the patch format).

Disregard that last comment. I just looked at the line immediately
above your comment and thought it looked correct. Sorry about that
(you were pointing out that the .assert line looked wrong, correct?).

> > > +}
> > > +
> > > +struct kunit_unary_assert {
> > > +       struct kunit_assert assert;
> > > +       const char *condition;
> > > +       bool expected_true;
> > > +};
> > > +
> > > +void kunit_unary_assert_format(const struct kunit_assert *assert,
> > > +                              struct string_stream *stream);
> > > +
> > [...]
> > > +#define KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(test,                             \
> > > +                                           type,                              \
> > > +                                           op_str,                            \
> > > +                                           left_str,                          \
> > > +                                           left_val,                          \
> > > +                                           right_str,                         \
> > > +                                           right_val) {                       \
> > > +       .assert = KUNIT_INIT_ASSERT_STRUCT(test,                               \
> > > +                                          type,                               \
> > > +                                          kunit_binary_str_assert_format),    \
> > > +       .operation = op_str,                                                   \
> > > +       .left_text = left_str,                                                 \
> > > +       .left_value = left_val,                                                \
> > > +       .right_text = right_str,                                               \
> > > +       .right_value = right_val                                               \
> > > +}
> >
> > It would be nice to have kernel doc on these macros so we know how to
> > use them.
>
> Sounds good. Will fix.



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