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