Re: [PATCH v2] Kernel selftests: TPM2: upgrade TPM2 tests from Python 2 to Python 3

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On Thu, Jun 18, 2020 at 04:15:02PM +0800, Pengfei Xu wrote:
> Python 2 is no longer supported by the Python upstream project, so
> upgrade TPM2 tests to Python 3.
> 
> Signed-off-by: Pengfei Xu <pengfei.xu@xxxxxxxxx>

Use "selftests: tpm: <short summary>".

> ---
>  tools/testing/selftests/tpm2/test_smoke.sh |  4 +-
>  tools/testing/selftests/tpm2/test_space.sh |  2 +-
>  tools/testing/selftests/tpm2/tpm2.py       | 68 ++++++++++++++--------
>  tools/testing/selftests/tpm2/tpm2_tests.py | 24 +++++---
>  4 files changed, 61 insertions(+), 37 deletions(-)
> 
> diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
> index 663062701d5a..d05467f6d258 100755
> --- a/tools/testing/selftests/tpm2/test_smoke.sh
> +++ b/tools/testing/selftests/tpm2/test_smoke.sh
> @@ -6,8 +6,8 @@ ksft_skip=4
>  
>  [ -f /dev/tpm0 ] || exit $ksft_skip
>  
> -python -m unittest -v tpm2_tests.SmokeTest
> -python -m unittest -v tpm2_tests.AsyncTest
> +python3 -m unittest -v tpm2_tests.SmokeTest
> +python3 -m unittest -v tpm2_tests.AsyncTest
>  
>  CLEAR_CMD=$(which tpm2_clear)
>  if [ -n $CLEAR_CMD ]; then
> diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
> index 36c9d030a1c6..151c64e8ee9f 100755
> --- a/tools/testing/selftests/tpm2/test_space.sh
> +++ b/tools/testing/selftests/tpm2/test_space.sh
> @@ -6,4 +6,4 @@ ksft_skip=4
>  
>  [ -f /dev/tpmrm0 ] || exit $ksft_skip
>  
> -python -m unittest -v tpm2_tests.SpaceTest
> +python3 -m unittest -v tpm2_tests.SpaceTest
> diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
> index d0fcb66a88a6..b0ccc1499c53 100644
> --- a/tools/testing/selftests/tpm2/tpm2.py
> +++ b/tools/testing/selftests/tpm2/tpm2.py
> @@ -247,14 +247,18 @@ class ProtocolError(Exception):
>  class AuthCommand(object):
>      """TPMS_AUTH_COMMAND"""
>  
> -    def __init__(self, session_handle=TPM2_RS_PW, nonce='', session_attributes=0,
> -                 hmac=''):
> +    def __init__(self, session_handle=TPM2_RS_PW, nonce=''.encode(),
> +                 session_attributes=0, hmac=''.encode()):
> +        if not isinstance(nonce, bytes):
> +            nonce = nonce.encode()
> +        if not isinstance(hmac, bytes):
> +            hmac = hmac.encode()

This looks messy. Please, instead

    def __init__(self, session_handle=TPM2_RS_PW, nonce=bytes(),
                 session_attributes=0, hmac=bytes()):
         self.session_handle = session_handle
         self.nonce = nonce
         self.session_attributes = session_attributes

Applies also to other places.

/Jarkko



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