Re: [PATCH] kselftest: Add basic test for probing the rust sample modules

[Muhammad Usama Anjum <usama.anjum@collabora.com>]

On 12/15/23 6:21 PM, Laura Nao wrote:
> Add new basic kselftest that checks if the available rust sample modules
> can be added and removed correctly.
> 
> Signed-off-by: Laura Nao <laura.nao@collabora.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>

> ---
>  MAINTAINERS                                   |  1 +
>  tools/testing/selftests/Makefile              |  1 +
>  tools/testing/selftests/rust/.gitignore       |  1 +
>  tools/testing/selftests/rust/Makefile         |  8 ++++
>  .../selftests/rust/test_probe_samples.sh      | 42 +++++++++++++++++++
>  5 files changed, 53 insertions(+)
>  create mode 100644 tools/testing/selftests/rust/.gitignore
>  create mode 100644 tools/testing/selftests/rust/Makefile
>  create mode 100755 tools/testing/selftests/rust/test_probe_samples.sh
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e2c6187a3ac8..acf283a5d2c0 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -18847,6 +18847,7 @@ F:	Documentation/rust/
>  F:	rust/
>  F:	samples/rust/
>  F:	scripts/*rust*
> +F:	tools/testing/selftests/rust/
>  K:	\b(?i:rust)\b
>  
>  RXRPC SOCKETS (AF_RXRPC)
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index 3b2061d1c1a5..26140426c849 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -74,6 +74,7 @@ TARGETS += riscv
>  TARGETS += rlimits
>  TARGETS += rseq
>  TARGETS += rtc
> +TARGETS += rust
>  TARGETS += seccomp
>  TARGETS += sgx
>  TARGETS += sigaltstack
> diff --git a/tools/testing/selftests/rust/.gitignore b/tools/testing/selftests/rust/.gitignore
> new file mode 100644
> index 000000000000..e3c5c04d1b19
> --- /dev/null
> +++ b/tools/testing/selftests/rust/.gitignore
> @@ -0,0 +1 @@
> +ktap_helpers.sh
> diff --git a/tools/testing/selftests/rust/Makefile b/tools/testing/selftests/rust/Makefile
> new file mode 100644
> index 000000000000..ccaa50f35b5b
> --- /dev/null
> +++ b/tools/testing/selftests/rust/Makefile
> @@ -0,0 +1,8 @@
> +
> +TEST_PROGS += test_probe_samples.sh
> +TEST_GEN_FILES := ktap_helpers.sh
> +
> +include ../lib.mk
> +
> +$(OUTPUT)/ktap_helpers.sh:
> +	cp $(top_srcdir)/tools/testing/selftests/dt/ktap_helpers.sh $@
> diff --git a/tools/testing/selftests/rust/test_probe_samples.sh b/tools/testing/selftests/rust/test_probe_samples.sh
> new file mode 100755
> index 000000000000..a46550543f73
> --- /dev/null
> +++ b/tools/testing/selftests/rust/test_probe_samples.sh
> @@ -0,0 +1,42 @@
> +#!/bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Copyright (c) 2023 Collabora Ltd
> +#
> +# This script tests whether the rust sample modules can
> +# be added and removed correctly.
> +#
> +
> +DIR="$(dirname "$(readlink -f "$0")")"
> +
> +source "${DIR}"/ktap_helpers.sh
> +
> +rust_sample_modules=("rust_minimal" "rust_print")
> +
> +KSFT_PASS=0
> +KSFT_FAIL=1
> +KSFT_SKIP=4
> +
> +ret="${KSFT_PASS}"
> +
> +ktap_print_header
> +
> +ktap_set_plan "${#rust_sample_modules[@]}"
> +
> +for sample in "${rust_sample_modules[@]}"; do
> +    if ! /sbin/modprobe -n -q "$sample"; then
> +        ktap_test_skip "module $sample is not found in /lib/modules/$(uname -r)"
> +        continue
> +    fi
> +
> +    if /sbin/modprobe -q "$sample"; then
> +        /sbin/modprobe -q -r "$sample"
> +        ktap_test_pass "$sample"
> +    else
> +        ret="${KSFT_FAIL}"
> +        ktap_test_fail "$sample"
> +    fi
> +done
> +
> +ktap_print_totals
> +exit "${ret}"

-- 
BR,
Muhammad Usama Anjum