test/py: tpm2: Skip tpm pytest based on env variable

Tpm test cases relies on tpm device setup. Provide an environment
variable "env__tpm_device_test_skip = True" to skip the test case
if tpm device is not present.
Only needed will have to add variable to the py-test framework.
Test runs successfully even this variable is absent.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
T Karthik Reddy 2021-07-23 06:18:26 -06:00 committed by Ramon Fried
parent c74d0ae519
commit 577e45f36f

View file

@ -18,6 +18,15 @@ any password.
* Commands like pcr_setauthpolicy and pcr_resetauthpolicy are not implemented
here because they would fail the tests in most cases (TPMs do not implement them
and return an error).
Note:
This test doesn't rely on boardenv_* configuration value but can change test
behavior.
* Setup env__tpm_device_test_skip to True if tests with TPM devices should be
skipped.
"""
updates = 0
@ -29,6 +38,9 @@ def force_init(u_boot_console, force=False):
twice will spawn an error used to detect that the TPM was not reset and no
initialization code should be run.
"""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
output = u_boot_console.run_command('tpm2 init')
if force or not 'Error' in output:
u_boot_console.run_command('echo --- start of init ---')
@ -44,6 +56,10 @@ def force_init(u_boot_console, force=False):
def test_tpm2_init(u_boot_console):
"""Init the software stack to use TPMv2 commands."""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
u_boot_console.run_command('tpm2 init')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@ -55,6 +71,9 @@ def test_tpm2_startup(u_boot_console):
Initiate the TPM internal state machine.
"""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
u_boot_console.run_command('tpm2 startup TPM2_SU_CLEAR')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@ -66,6 +85,9 @@ def test_tpm2_self_test_full(u_boot_console):
Ask the TPM to perform all self tests to also enable full capabilities.
"""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
u_boot_console.run_command('tpm2 self_test full')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@ -78,6 +100,9 @@ def test_tpm2_continue_self_test(u_boot_console):
to enter a fully operational state.
"""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
u_boot_console.run_command('tpm2 self_test continue')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@ -95,6 +120,9 @@ def test_tpm2_clear(u_boot_console):
PLATFORM hierarchies are also available.
"""
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
u_boot_console.run_command('tpm2 clear TPM2_RH_LOCKOUT')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')