| # Copyright (C) 2011 Google Inc. All rights reserved. |
| # Copyright (C) 2020 Apple Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
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| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import unittest |
| |
| from webkitpy.port.leakdetector import LeakDetector |
| from webkitpy.common.system.filesystem_mock import MockFileSystem |
| from webkitpy.common.system.executive_mock import MockExecutive |
| |
| from webkitcorepy import OutputCapture |
| |
| |
| class LeakDetectorTest(unittest.TestCase): |
| def _mock_port(self): |
| class MockPort(object): |
| def __init__(self): |
| self._filesystem = MockFileSystem() |
| self._executive = MockExecutive() |
| |
| def results_directory(self): |
| return "/tmp/" |
| |
| return MockPort() |
| |
| def _make_detector(self): |
| return LeakDetector(self._mock_port()) |
| |
| def test_leaks_args(self): |
| detector = self._make_detector() |
| detector._callstacks_to_exclude_from_leaks = lambda: ['foo bar', 'BAZ'] |
| detector._types_to_exclude_from_leaks = lambda: ['abcdefg', 'hi jklmno'] |
| expected_args = ['--exclude-callstack=foo bar', '--exclude-callstack=BAZ', '--exclude-type=abcdefg', '--exclude-type=hi jklmno', '--output-file=/tmp/DumpRenderTree-1234-leaks.txt', '--memgraph-file=/tmp/DumpRenderTree-1234.memgraph', 1234] |
| self.assertEqual(detector._leaks_args("DumpRenderTree", 1234), expected_args) |
| |
| example_leaks_output = """Process 5122: 663744 nodes malloced for 78683 KB |
| Process 5122: 337301 leaks for 6525216 total leaked bytes. |
| Leak: 0x38cb600 size=3072 zone: DefaultMallocZone_0x1d94000 instance of 'NSCFData', type ObjC, implemented in Foundation |
| 0xa033f0b8 0x01001384 0x00000b3a 0x00000b3a ..3.....:...:... |
| 0x00000000 0x038cb620 0x00000000 0x00000000 .... ........... |
| 0x00000000 0x21000000 0x726c6468 0x00000000 .......!hdlr.... |
| 0x00000000 0x7269646d 0x6c707061 0x00000000 ....mdirappl.... |
| 0x00000000 0x04000000 0x736c69c1 0x00000074 .........ilst... |
| 0x6f74a923 0x0000006f 0x7461641b 0x00000061 #.too....data... |
| 0x00000001 0x76614c00 0x2e323566 0x302e3236 .....Lavf52.62.0 |
| 0x37000000 0x6d616ea9 0x2f000000 0x61746164 ...7.nam.../data |
| ... |
| Leak: 0x2a9c960 size=288 zone: DefaultMallocZone_0x1d94000 |
| 0x09a1cc47 0x1bda8560 0x3d472cd1 0xfbe9bccd G...`....,G=.... |
| 0x8bcda008 0x9e972a91 0xa892cf63 0x2448bdb0 .....*..c.....H$ |
| 0x4736fc34 0xdbe2d94e 0x25f56688 0x839402a4 4.6GN....f.%.... |
| 0xd12496b3 0x59c40c12 0x8cfcab2a 0xd20ef9c4 ..$....Y*....... |
| 0xe7c56b1b 0x5835af45 0xc69115de 0x6923e4bb .k..E.5X......#i |
| 0x86f15553 0x15d40fa9 0x681288a4 0xc33298a9 SU.........h..2. |
| 0x439bb535 0xc4fc743d 0x7dfaaff8 0x2cc49a4a 5..C=t.....}J.., |
| 0xdd119df8 0x7e086821 0x3d7d129e 0x2e1b1547 ....!h.~..}=G... |
| ... |
| Leak: 0x25102fe0 size=176 zone: DefaultMallocZone_0x1d94000 string 'NSException Data' |
| """ |
| |
| example_leaks_output_with_exclusions = """ |
| Process 57064: 865808 nodes malloced for 81032 KB |
| Process 57064: 282 leaks for 21920 total leaked bytes. |
| Leak: 0x7fc506023960 size=576 zone: DefaultMallocZone_0x107c29000 URLConnectionLoader::LoaderConnectionEventQueue C++ CFNetwork |
| 0x73395460 0x00007fff 0x7488af40 0x00007fff `T9s....@..t.... |
| 0x73395488 0x00007fff 0x46eecd74 0x0001ed83 .T9s....t..F.... |
| 0x0100000a 0x00000000 0x7488bfc0 0x00007fff ...........t.... |
| 0x00000000 0x00000000 0x46eecd8b 0x0001ed83 ...........F.... |
| 0x00000000 0x00000000 0x00000000 0x00000000 ................ |
| 0x00000000 0x00000000 0x46eecda3 0x0001ed83 ...........F.... |
| 0x00000000 0x00000000 0x00000000 0x00000000 ................ |
| 0x00000000 0x00000000 0x46eecdbc 0x0001ed83 ...........F.... |
| ... |
| Leak: 0x7fc506025980 size=432 zone: DefaultMallocZone_0x107c29000 URLConnectionInstanceData CFType CFNetwork |
| 0x74862b28 0x00007fff 0x00012b80 0x00000001 (+.t.....+...... |
| 0x73395310 0x00007fff 0x733953f8 0x00007fff .S9s.....S9s.... |
| 0x4d555458 0x00000000 0x00000000 0x00002068 XTUM........h .. |
| 0x00000000 0x00000000 0x00000b00 0x00000b00 ................ |
| 0x00000000 0x00000000 0x060259b8 0x00007fc5 .........Y...... |
| 0x060259bc 0x00007fc5 0x00000000 0x00000000 .Y.............. |
| 0x73395418 0x00007fff 0x06025950 0x00007fc5 .T9s....PY...... |
| 0x73395440 0x00007fff 0x00005013 0x00000001 @T9s.....P...... |
| ... |
| |
| |
| Binary Images: |
| 0x107ac2000 - 0x107b4aff7 +DumpRenderTree (??? - ???) <5694BE03-A60A-30B2-9D40-27CFFCFB88EE> /Volumes/Data/worker/lion-intel-leaks/build/WebKitBuild/Debug/DumpRenderTree |
| 0x107c2f000 - 0x107c58fff +libWebCoreTestSupport.dylib (535.8.0 - compatibility 1.0.0) <E4F7A13E-5807-30F7-A399-62F8395F9106> /Volumes/Data/worker/lion-intel-leaks/build/WebKitBuild/Debug/libWebCoreTestSupport.dylib |
| 17 leaks excluded (not printed) |
| """ |
| |
| def test_parse_leaks_output(self): |
| self.assertEqual(self._make_detector()._parse_leaks_output(self.example_leaks_output), (337301, 0, 6525216)) |
| self.assertEqual(self._make_detector()._parse_leaks_output(self.example_leaks_output_with_exclusions), (282, 17, 21920)) |
| |
| def test_leaks_files_in_directory(self): |
| detector = self._make_detector() |
| self.assertEqual(detector.leaks_files_in_directory('/bogus-directory'), []) |
| detector._filesystem = MockFileSystem({ |
| '/mock-results/DumpRenderTree-1234-leaks.txt': '', |
| '/mock-results/DumpRenderTree-23423-leaks.txt': '', |
| '/mock-results/DumpRenderTree-823-leaks.txt': '', |
| }) |
| self.assertEqual(len(detector.leaks_files_in_directory('/mock-results')), 3) |
| |
| def test_count_total_bytes_and_unique_leaks(self): |
| detector = self._make_detector() |
| |
| def mock_run_script(name, args, include_configuration_arguments=False): |
| print("MOCK _run_script: %s %s" % (name, args)) |
| return """1 calls for 16 bytes: -[NSURLRequest mutableCopyWithZone:] | +[NSObject(NSObject) allocWithZone:] | _internal_class_createInstanceFromZone | calloc | malloc_zone_calloc |
| |
| 147 calls for 9,408 bytes: _CFRuntimeCreateInstance | _ZN3WTF24StringWrapperCFAllocatorL8allocateElmPv StringImplCF.cpp:67 | WTF::fastMalloc(unsigned long) FastMalloc.cpp:268 | malloc | malloc_zone_malloc |
| |
| total: 5,888 bytes (0 bytes excluded).""" |
| detector._port._run_script = mock_run_script |
| |
| leak_files = ['/mock-results/DumpRenderTree-1234-leaks.txt', '/mock-results/DumpRenderTree-1235-leaks.txt'] |
| with OutputCapture() as captured: |
| results_tuple = detector.count_total_bytes_and_unique_leaks(leak_files) |
| self.assertEqual( |
| captured.stdout.getvalue(), |
| "MOCK _run_script: parse-malloc-history ['--merge-depth', 5, '/mock-results/DumpRenderTree-1234-leaks.txt', '/mock-results/DumpRenderTree-1235-leaks.txt']\n", |
| ) |
| self.assertEqual(results_tuple, ("5,888 bytes", 2)) |
| |
| def test_count_total_leaks(self): |
| detector = self._make_detector() |
| detector._filesystem = MockFileSystem({ |
| # The \xff is some non-utf8 characters to make sure we don't blow up trying to parse the file. |
| '/mock-results/DumpRenderTree-1234-leaks.txt': '\xff\nProcess 1234: 12 leaks for 40 total leaked bytes.\n\xff\n', |
| '/mock-results/DumpRenderTree-23423-leaks.txt': 'Process 1235: 12341 leaks for 27934 total leaked bytes.\n', |
| '/mock-results/DumpRenderTree-823-leaks.txt': 'Process 12356: 23412 leaks for 18 total leaked bytes.\n', |
| }) |
| leak_file_paths = ['/mock-results/DumpRenderTree-1234-leaks.txt', '/mock-results/DumpRenderTree-23423-leaks.txt', '/mock-results/DumpRenderTree-823-leaks.txt'] |
| self.assertEqual(detector.count_total_leaks(leak_file_paths), 35765) |
