linux-kernel - Re: [PATCH] selftests: tpm2: conform test to TAP output

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Date: Wed, 03 Jul 2024 02:50:58 +0300
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>, Shuah Khan
	 <shuah@...nel.org>
Cc: kernel@...labora.com, linux-kselftest@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: tpm2: conform test to TAP output

On Tue, 2024-07-02 at 11:55 +0500, Muhammad Usama Anjum wrote:
> The python unittest is being used for executing tests. TAP output
> cannot be added in the unittest framework. The python unittest is being
> run from a script. Add the output TAP logs to the script. Add "#"
> prefix to the python unittest output which will mark all output as
> informational TAP messages. Check exit status of the python unittest to
> decide if test passed or failed. Not sure why but python unittest
> outputs logs in stderr. So redirect the logs to stdout and then add
> prefix.
> 
> Specify the bash explicitly instead of sh to run these tests as all of
> the kselftests are shifting towards using bash explicitly. Some
> interpreters have different syntax and cause issues.
> 
> Cc: Jarkko Sakkinen <jarkko@...nel.org>
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
> Changes since v1:
> - CC more people which were missing earlier
> ---
>  tools/testing/selftests/tpm2/test_async.sh | 24 ++++++++++++++++------
>  tools/testing/selftests/tpm2/test_smoke.sh | 19 ++++++++++++++---
>  tools/testing/selftests/tpm2/test_space.sh | 19 ++++++++++++++---
>  3 files changed, 50 insertions(+), 12 deletions(-)
> 
> diff --git a/tools/testing/selftests/tpm2/test_async.sh
> b/tools/testing/selftests/tpm2/test_async.sh
> index 43bf5bd772fd4..0e6e5d9d649fb 100755
> --- a/tools/testing/selftests/tpm2/test_async.sh
> +++ b/tools/testing/selftests/tpm2/test_async.sh
> @@ -1,10 +1,22 @@
> -#!/bin/sh
> +#!/bin/bash
>  # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
>  
> -# Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +DIR="$(dirname $(readlink -f "$0"))"
> +source "${DIR}"/../kselftest/ktap_helpers.sh
>  
> -[ -e /dev/tpm0 ] || exit $ksft_skip
> -[ -e /dev/tpmrm0 ] || exit $ksft_skip
> +ktap_print_header
>  
> -python3 -m unittest -v tpm2_tests.AsyncTest
> +[ -e /dev/tpm0 ] || ktap_finished
> +[ -e /dev/tpmrm0 ] || ktap_finished
> +
> +ktap_set_plan 1
> +
> +python3 -m unittest -v tpm2_tests.AsyncTest 2>&1 | sed "s/^/# /"
> +
> +if [ ${PIPESTATUS[0]} -eq $ksft_pass ]; then
> +	ktap_test_pass "tpm2_tests.AsyncTest"
> +else
> +	ktap_test_fail "tpm2_tests.AsyncTest"
> +fi
> +
> +ktap_finished
> diff --git a/tools/testing/selftests/tpm2/test_smoke.sh
> b/tools/testing/selftests/tpm2/test_smoke.sh
> index 58af963e5b55a..2219a180de91d 100755
> --- a/tools/testing/selftests/tpm2/test_smoke.sh
> +++ b/tools/testing/selftests/tpm2/test_smoke.sh
> @@ -1,9 +1,22 @@
> -#!/bin/sh
> +#!/bin/bash
>  # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
>  
>  # Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +DIR="$(dirname $(readlink -f "$0"))"
> +source "${DIR}"/../kselftest/ktap_helpers.sh
> +
> +ktap_print_header
>  
>  [ -e /dev/tpm0 ] || exit $ksft_skip
>  
> -python3 -m unittest -v tpm2_tests.SmokeTest
> +ktap_set_plan 1
> +
> +python3 -m unittest -v tpm2_tests.SmokeTest 2>&1 | sed "s/^/# /"
> +
> +if [ ${PIPESTATUS[0]} -eq $ksft_pass ]; then
> +	ktap_test_pass "tpm2_tests.AsyncTest"
> +else
> +	ktap_test_fail "tpm2_tests.AsyncTest"
> +fi
> +
> +ktap_finished
> diff --git a/tools/testing/selftests/tpm2/test_space.sh
> b/tools/testing/selftests/tpm2/test_space.sh
> index 04c47b13fe8ac..6a55d13d74983 100755
> --- a/tools/testing/selftests/tpm2/test_space.sh
> +++ b/tools/testing/selftests/tpm2/test_space.sh
> @@ -1,9 +1,22 @@
> -#!/bin/sh
> +#!/bin/bash
>  # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
>  
>  # Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +DIR="$(dirname $(readlink -f "$0"))"
> +source "${DIR}"/../kselftest/ktap_helpers.sh
> +
> +ktap_print_header
>  
>  [ -e /dev/tpmrm0 ] || exit $ksft_skip
>  
> -python3 -m unittest -v tpm2_tests.SpaceTest
> +ktap_set_plan 1
> +
> +python3 -m unittest -v tpm2_tests.SpaceTest 2>&1 | sed "s/^/# /"
> +
> +if [ ${PIPESTATUS[0]} -eq $ksft_pass ]; then
> +	ktap_test_pass "tpm2_tests.AsyncTest"
> +else
> +	ktap_test_fail "tpm2_tests.AsyncTest"
> +fi
> +
> +ktap_finished

Acknowledging that I noticed this but won't test
before week 31, when I'm back from holiday.

BR, Jarkko