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99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Runs linker tests on a particular device."""
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import logging
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import os.path
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import sys
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import traceback
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from pylib import constants
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from pylib.base import base_test_result
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from pylib.base import base_test_runner
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from pylib.linker import test_case
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from pylib.utils import apk_helper
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# Name of the Android package to install for this to work.
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_PACKAGE_NAME = 'ChromiumLinkerTest'
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class LinkerExceptionTestResult(base_test_result.BaseTestResult):
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"""Test result corresponding to a python exception in a host-custom test."""
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def __init__(self, test_name, exc_info):
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"""Constructs a LinkerExceptionTestResult object.
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Args:
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test_name: name of the test which raised an exception.
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exc_info: exception info, ostensibly from sys.exc_info().
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"""
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exc_type, exc_value, exc_traceback = exc_info
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trace_info = ''.join(traceback.format_exception(exc_type, exc_value,
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exc_traceback))
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log_msg = 'Exception:\n' + trace_info
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super(LinkerExceptionTestResult, self).__init__(
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test_name,
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base_test_result.ResultType.FAIL,
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log="%s %s" % (exc_type, log_msg))
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class LinkerTestRunner(base_test_runner.BaseTestRunner):
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"""Orchestrates running a set of linker tests.
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Any Python exceptions in the tests are caught and translated into a failed
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result, rather than being re-raised on the main thread.
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"""
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#override
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def __init__(self, device, tool):
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"""Creates a new LinkerTestRunner.
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Args:
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device: Attached android device.
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tool: Name of the Valgrind tool.
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"""
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super(LinkerTestRunner, self).__init__(device, tool)
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#override
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def InstallTestPackage(self):
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apk_path = os.path.join(
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constants.GetOutDirectory(), 'apks', '%s.apk' % _PACKAGE_NAME)
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if not os.path.exists(apk_path):
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raise Exception('%s not found, please build it' % apk_path)
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self.device.Install(apk_path)
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#override
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def RunTest(self, test):
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"""Sets up and runs a test case.
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Args:
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test: An object which is ostensibly a subclass of LinkerTestCaseBase.
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Returns:
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A TestRunResults object which contains the result produced by the test
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and, in the case of a failure, the test that should be retried.
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"""
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assert isinstance(test, test_case.LinkerTestCaseBase)
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try:
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results = test.Run(self.device)
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except Exception:
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logging.exception('Caught exception while trying to run test: ' +
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test.tagged_name)
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exc_info = sys.exc_info()
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results = base_test_result.TestRunResults()
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results.AddResult(LinkerExceptionTestResult(
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test.tagged_name, exc_info))
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if not results.DidRunPass():
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return results, test
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else:
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return results, None
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