Re: [kvm-unit-tests PATCH v2 02/18] Document environment variables

[Andrew Jones <andrew.jones@linux.dev>]

On Mon, Jan 20, 2025 at 04:43:00PM +0000, Alexandru Elisei wrote:
> Document the environment variables that influence how a test is executed
> by the run_tests.sh test runner.
> 
> Suggested-by: Andrew Jones <drjones@redhat.com>
> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
> ---
>  docs/unittests.txt |  5 ++++-
>  run_tests.sh       | 12 +++++++++---
>  2 files changed, 13 insertions(+), 4 deletions(-)
> 
> diff --git a/docs/unittests.txt b/docs/unittests.txt
> index c4269f6230c8..dbc2c11e3b59 100644
> --- a/docs/unittests.txt
> +++ b/docs/unittests.txt
> @@ -88,7 +88,8 @@ timeout
>  -------
>  timeout = <duration>
>  
> -Optional timeout in seconds, after which the test will be killed and fail.
> +Optional timeout in seconds, after which the test will be killed and fail. Can
> +be overwritten with the TIMEOUT=<duration> environment variable.
>  
>  check
>  -----
> @@ -99,3 +100,5 @@ can contain multiple files to check separated by a space, but each check
>  parameter needs to be of the form <path>=<value>
>  
>  The path and value cannot contain space, =, or shell wildcard characters.
> +
> +Can be overwritten with the CHECK environment variable with the same syntax.
> diff --git a/run_tests.sh b/run_tests.sh
> index f30b6dbd131c..23d81b2caaa1 100755
> --- a/run_tests.sh
> +++ b/run_tests.sh
> @@ -27,9 +27,15 @@ Usage: $0 [-h] [-v] [-a] [-g group] [-j NUM-TASKS] [-t] [-l]
>      -l, --list          Only output all tests list
>          --probe-maxsmp  Update the maximum number of VCPUs supported by host
>  
> -Set the environment variable QEMU=/path/to/qemu-system-ARCH to
> -specify the appropriate qemu binary for ARCH-run.
> -
> +The following environment variables are used:
> +
> +    QEMU            Path to QEMU binary for ARCH-run
> +    ACCEL           QEMU accelerator to use, e.g. 'kvm', 'hvf' or 'tcg'
> +    ACCEL_PROPS     Extra argument to ACCEL
> +    MACHINE         QEMU machine type
> +    TIMEOUT         Timeout duration for the timeout(1) command
> +    CHECK           Overwrites the 'check' unit test parameter (see
> +                    docs/unittests.txt)
>  EOF
>  }
>  
> -- 
> 2.47.1
>

Reviewed-by: Andrew Jones <andrew.jones@linux.dev>

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