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test: Allow tpm2 tests to run in parallel

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These tests currently run in a particular sequence, with some of them
depending on the actions of earlier tests.

Add a check for sandbox and reset to a known state at the start of each
test, so that all tests can run in parallel.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-09-19 15:14:50 -06:00 committed by Tom Rini
parent ea3164eeb0
commit 17d1fe1c44
1 changed files with 46 additions and 6 deletions
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52
test/py/tests/test_tpm2.py
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@ -52,14 +52,17 @@ def force_init(u_boot_console, force=False):
u_boot_console.run_command('tpm2 clear TPM2_RH_PLATFORM')
u_boot_console.run_command('echo --- end of init ---')
def is_sandbox(cons):
# Array slice removes leading/trailing quotes.
sys_arch = cons.config.buildconfig.get('config_sys_arch', '"sandbox"')[1:-1]
return sys_arch == 'sandbox'
@pytest.mark.buildconfigspec('cmd_tpm_v2')
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')
@ -70,6 +73,19 @@ def test_tpm2_startup(u_boot_console):
Initiate the TPM internal state machine.
"""
u_boot_console.run_command('tpm2 startup TPM2_SU_CLEAR')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
def tpm2_sandbox_init(u_boot_console):
"""Put sandbox back into a known state so we can run a test
This allows all tests to run in parallel, since no test depends on another.
"""
u_boot_console.restart_uboot()
u_boot_console.run_command('tpm2 init')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
@ -78,12 +94,25 @@ def test_tpm2_startup(u_boot_console):
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
u_boot_console.run_command('tpm2 self_test full')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@pytest.mark.buildconfigspec('cmd_tpm_v2')
def test_tpm2_self_test_full(u_boot_console):
def test_tpm2_sandbox_self_test_full(u_boot_console):
"""Execute a TPM2_SelfTest (full) command.
Ask the TPM to perform all self tests to also enable full capabilities.
"""
if is_sandbox(u_boot_console):
u_boot_console.restart_uboot()
u_boot_console.run_command('tpm2 init')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
u_boot_console.run_command('tpm2 startup TPM2_SU_CLEAR')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
@ -103,6 +132,8 @@ def test_tpm2_continue_self_test(u_boot_console):
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
pytest.skip('skip TPM device test')
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
u_boot_console.run_command('tpm2 self_test continue')
output = u_boot_console.run_command('echo $?')
assert output.endswith('0')
@ -119,6 +150,8 @@ def test_tpm2_clear(u_boot_console):
not have a password set, otherwise this test will fail. ENDORSEMENT and
PLATFORM hierarchies are also available.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
skip_test = u_boot_console.config.env.get('env__tpm_device_test_skip', False)
if skip_test:
@ -140,7 +173,8 @@ def test_tpm2_change_auth(u_boot_console):
Use the LOCKOUT hierarchy for this. ENDORSEMENT and PLATFORM hierarchies are
also available.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
force_init(u_boot_console)
u_boot_console.run_command('tpm2 change_auth TPM2_RH_LOCKOUT unicorn')
@ -164,6 +198,8 @@ def test_tpm2_get_capability(u_boot_console):
There is no expected default values because it would depend on the chip
used. We can still save them in order to check they have changed later.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
force_init(u_boot_console)
ram = u_boot_utils.find_ram_base(u_boot_console)
@ -186,7 +222,8 @@ def test_tpm2_dam_parameters(u_boot_console):
the authentication, otherwise the lockout will be engaged after the first
failed authentication attempt.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
force_init(u_boot_console)
ram = u_boot_utils.find_ram_base(u_boot_console)
@ -209,6 +246,8 @@ def test_tpm2_pcr_read(u_boot_console):
Perform a PCR read of the 0th PCR. Must be zero.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
force_init(u_boot_console)
ram = u_boot_utils.find_ram_base(u_boot_console)
@ -236,7 +275,8 @@ def test_tpm2_pcr_extend(u_boot_console):
No authentication mechanism is used here, not protecting against packet
replay, yet.
"""
if is_sandbox(u_boot_console):
tpm2_sandbox_init(u_boot_console)
force_init(u_boot_console)
ram = u_boot_utils.find_ram_base(u_boot_console)