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# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from autotest_lib.client.common_lib import error
from autotest_lib.client.common_lib.cros import tpm_utils
from autotest_lib.server import autotest
from autotest_lib.server import test
class platform_CryptohomeTpmLiveTestServer(test.test):
"""A test that runs platform_CryptohomeTpmLiveTest and clears the TPM as
necessary."""
version = 1
def run_once(self, host=None):
"""Runs a single iteration of the test."""
self.client = host
# Skip the test if the TPM is unavailable.
tpm_status = tpm_utils.TPMStatus(self.client)
if 'is_enabled' not in tpm_status:
raise error.TestError('Error obtaining TPM enabled state. Status '
'returned by cryptohome: ' + str(tpm_status))
if not tpm_status['is_enabled']:
return
# Clear the TPM, so that the client test is able to obtain the TPM owner
# password.
tpm_utils.ClearTPMOwnerRequest(self.client, wait_for_ready=True)
# Run the client test which executes the cryptohome's TPM live test.
autotest.Autotest(self.client).run_test(
'platform_CryptohomeTpmLiveTest', check_client_result=True)
# Clean the TPM up, so that the TPM state clobbered by the TPM live
# tests doesn't affect subsequent tests.
tpm_utils.ClearTPMOwnerRequest(self.client)
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