Re: [PATCH 4/6] Unit tests for is_path_valid()

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On Fri, 2020-05-15 at 22:37 +0200, Martin Wilck wrote:
> On Thu, 2020-05-14 at 20:59 -0500, Benjamin Marzinski wrote:
> > Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> 
> Two minor nits below, otherwise ack.
> 
> > ---
> >  tests/Makefile |   4 +-
> >  tests/valid.c  | 424
> > +++++++++++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 427 insertions(+), 1 deletion(-)
> >  create mode 100644 tests/valid.c
> > 
> > diff --git a/tests/Makefile b/tests/Makefile
> > index 1b8706a7..125553b8 100644
> > --- a/tests/Makefile
> > +++ b/tests/Makefile
> > @@ -13,7 +13,7 @@ CFLAGS += $(BIN_CFLAGS) -I$(multipathdir)
> > -I$(mpathcmddir) \
> >  LIBDEPS += -L$(multipathdir) -L$(mpathcmddir) -lmultipath
> > -lmpathcmd
> > -lcmocka
> >  
> >  TESTS := uevent parser util dmevents hwtable blacklist unaligned
> > vpd
> > pgpolicy \
> > -	 alias directio
> > +	 alias directio valid
> >  
> >  .SILENT: $(TESTS:%=%.o)
> >  .PRECIOUS: $(TESTS:%=%-test)
> > @@ -50,6 +50,8 @@ vpd-test_OBJDEPS :=  ../libmultipath/discovery.o
> >  vpd-test_LIBDEPS := -ludev -lpthread -ldl
> >  alias-test_TESTDEPS := test-log.o
> >  alias-test_LIBDEPS := -lpthread -ldl
> > +valid-test_OBJDEPS := ../libmultipath/valid.o
> > +valid-test_LIBDEPS := -ludev -lpthread -ldl
> >  ifneq ($(DIO_TEST_DEV),)
> >  directio-test_LIBDEPS := -laio
> >  endif
> > diff --git a/tests/valid.c b/tests/valid.c
> > new file mode 100644
> > index 00000000..b128b029
> > --- /dev/null
> > +++ b/tests/valid.c
> > @@ -0,0 +1,424 @@
> > +/*
> > + * Copyright (c) 2020 Benjamin Marzinski, Redhat
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License
> > + * as published by the Free Software Foundation; either version 2
> > + * of the License, or (at your option) any later version.
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + *
> > + * You should have received a copy of the GNU General Public
> > License
> > + * along with this program.  If not, see <
> > https://www.gnu.org/licenses/>;;.
> > + *
> > + */
> > +
> > +#define _GNU_SOURCE
> > +#include <stdint.h>
> > +#include <stdbool.h>
> > +#include <stdarg.h>
> > +#include <stddef.h>
> > +#include <setjmp.h>
> > +#include <stdlib.h>
> > +#include <errno.h>
> > +#include <cmocka.h>
> > +#include "globals.c"
> > +#include "util.h"
> > +#include "discovery.h"
> > +#include "wwids.h"
> > +#include "valid.h"
> > +
> > +int test_fd;
> > +struct udev_device {
> > +	int unused;
> > +} test_udev;
> > +
> > +bool __wrap_sysfs_is_multipathed(struct path *pp, bool set_wwid)
> > +{
> > +	bool is_multipathed = mock_type(bool);
> > +	assert_non_null(pp);

One general remark, just occured to me as I was looking at cmocka for a
different project: Perhaps we should rather use cmockas's
check_expected() functionality for testing parameter validity than the
assert...() macros.

We haven't done this consequently so far, but we could try to improve.

Regards
Martin


-- 
Dr. Martin Wilck <mwilck@xxxxxxxx>, Tel. +49 (0)911 74053 2107
SUSE  Software Solutions Germany GmbH
HRB 36809, AG Nürnberg GF: Felix
Imendörffer



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