OLD | NEW |
| (Empty) |
1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
2 # Use of this source code is governed by a BSD-style license that can be | |
3 # found in the LICENSE file. | |
4 | |
5 """Runs linker tests on a particular device.""" | |
6 | |
7 import logging | |
8 import os.path | |
9 import sys | |
10 import traceback | |
11 | |
12 from pylib import constants | |
13 from pylib.base import base_test_result | |
14 from pylib.base import base_test_runner | |
15 from pylib.linker import test_case | |
16 from pylib.utils import apk_helper | |
17 | |
18 | |
19 # Name of the Android package to install for this to work. | |
20 _PACKAGE_NAME = 'ChromiumLinkerTest' | |
21 | |
22 | |
23 class LinkerExceptionTestResult(base_test_result.BaseTestResult): | |
24 """Test result corresponding to a python exception in a host-custom test.""" | |
25 | |
26 def __init__(self, test_name, exc_info): | |
27 """Constructs a LinkerExceptionTestResult object. | |
28 | |
29 Args: | |
30 test_name: name of the test which raised an exception. | |
31 exc_info: exception info, ostensibly from sys.exc_info(). | |
32 """ | |
33 exc_type, exc_value, exc_traceback = exc_info | |
34 trace_info = ''.join(traceback.format_exception(exc_type, exc_value, | |
35 exc_traceback)) | |
36 log_msg = 'Exception:\n' + trace_info | |
37 | |
38 super(LinkerExceptionTestResult, self).__init__( | |
39 test_name, | |
40 base_test_result.ResultType.FAIL, | |
41 log="%s %s" % (exc_type, log_msg)) | |
42 | |
43 | |
44 class LinkerTestRunner(base_test_runner.BaseTestRunner): | |
45 """Orchestrates running a set of linker tests. | |
46 | |
47 Any Python exceptions in the tests are caught and translated into a failed | |
48 result, rather than being re-raised on the main thread. | |
49 """ | |
50 | |
51 #override | |
52 def __init__(self, device, tool): | |
53 """Creates a new LinkerTestRunner. | |
54 | |
55 Args: | |
56 device: Attached android device. | |
57 tool: Name of the Valgrind tool. | |
58 """ | |
59 super(LinkerTestRunner, self).__init__(device, tool) | |
60 | |
61 #override | |
62 def InstallTestPackage(self): | |
63 apk_path = os.path.join( | |
64 constants.GetOutDirectory(), 'apks', '%s.apk' % _PACKAGE_NAME) | |
65 | |
66 if not os.path.exists(apk_path): | |
67 raise Exception('%s not found, please build it' % apk_path) | |
68 | |
69 self.device.Install(apk_path) | |
70 | |
71 #override | |
72 def RunTest(self, test): | |
73 """Sets up and runs a test case. | |
74 | |
75 Args: | |
76 test: An object which is ostensibly a subclass of LinkerTestCaseBase. | |
77 | |
78 Returns: | |
79 A TestRunResults object which contains the result produced by the test | |
80 and, in the case of a failure, the test that should be retried. | |
81 """ | |
82 | |
83 assert isinstance(test, test_case.LinkerTestCaseBase) | |
84 | |
85 try: | |
86 results = test.Run(self.device) | |
87 except Exception: | |
88 logging.exception('Caught exception while trying to run test: ' + | |
89 test.tagged_name) | |
90 exc_info = sys.exc_info() | |
91 results = base_test_result.TestRunResults() | |
92 results.AddResult(LinkerExceptionTestResult( | |
93 test.tagged_name, exc_info)) | |
94 | |
95 if not results.DidRunPass(): | |
96 return results, test | |
97 else: | |
98 return results, None | |
OLD | NEW |