src/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader_multipart_unittest.py

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  28
  29 import unittest
  30
  31 import cgi
  32
  33 from webkitpy.common.host import Host
  34 from webkitpy.common.host_mock import MockHost
  35 from webkitpy.common.system.executive_mock import MockExecutive
  36 from webkitpy.layout_tests.breakpad.dump_reader_multipart import DumpReaderMultipart
  37
  38
  39 class TestDumpReaderMultipart(unittest.TestCase):
  40     _MULTIPART_DUMP = [
  41         '--boundary',
  42         'Content-Disposition: form-data; name="prod"',
  43         '',
  44         'content_shell',
  45         '--boundary',
  46         'Content-Disposition: form-data; name="pid"',
  47         '',
  48         '4711',
  49         '--boundary',
  50         'Content-Disposition: form-data; name="upload_file_minidump"; filename="dump"',
  51         'Content-Type: application/octet-stream',
  52         '',
  53         'MDMP',
  54         '--boundary--',
  55     ]
  56
  57     def test_check_generate_breakpad_symbols_actually_exists(self):
  58         host = Host()
  59         dump_reader = DumpReaderMultipart(host, build_dir=None)
  60         self.assertTrue(host.filesystem.exists(dump_reader._path_to_generate_breakpad_symbols()))
  61
  62     def test_check_is_functional_breakpad_tools_not_found(self):
  63         host = MockHost()
  64
  65         build_dir = "/mock-checkout/out/Debug"
  66         host.filesystem.maybe_make_directory(build_dir)
  67         dump_reader = DumpReaderMultipart(host, build_dir)
  68         dump_reader._file_extension = lambda: 'dmp'
  69         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
  70
  71         self.assertFalse(dump_reader.check_is_functional())
  72
  73     def test_get_pid_from_dump(self):
  74         host = MockHost()
  75
  76         dump_file = '/crash-dumps/dump.dmp'
  77         expected_pid = '4711'
  78         host.filesystem.write_text_file(dump_file, "\r\n".join(TestDumpReaderMultipart._MULTIPART_DUMP))
  79         build_dir = "/mock-checkout/out/Debug"
  80         host.filesystem.maybe_make_directory(build_dir)
  81         host.filesystem.exists = lambda x: True
  82
  83         # The mock file object returned by open_binary_file_for_reading doesn't
  84         # have readline(), however, the real File object does.
  85         host.filesystem.open_binary_file_for_reading = host.filesystem.open_text_file_for_reading
  86         dump_reader = DumpReaderMultipart(host, build_dir)
  87         dump_reader._file_extension = lambda: 'dmp'
  88         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
  89
  90         self.assertTrue(dump_reader.check_is_functional())
  91         self.assertEqual(expected_pid, dump_reader._get_pid_from_dump(dump_file))
  92
  93     def test_get_stack_from_dump(self):
  94         host = MockHost()
  95
  96         dump_file = '/crash-dumps/dump.dmp'
  97         host.filesystem.write_text_file(dump_file, "\r\n".join(TestDumpReaderMultipart._MULTIPART_DUMP))
  98         build_dir = "/mock-checkout/out/Debug"
  99         host.filesystem.maybe_make_directory(build_dir)
 100         host.filesystem.exists = lambda x: True
 101
 102         # The mock file object returned by open_binary_file_for_reading doesn't
 103         # have readline(), however, the real File object does.
 104         host.filesystem.open_binary_file_for_reading = host.filesystem.open_text_file_for_reading
 105         dump_reader = DumpReaderMultipart(host, build_dir)
 106         dump_reader._file_extension = lambda: 'dmp'
 107         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
 108
 109         self.assertTrue(dump_reader.check_is_functional())
 110         self.assertEqual("MOCK output of child process", dump_reader._get_stack_from_dump(dump_file))
 111         self.assertEqual(2, len(host.executive.calls))
 112         cmd_line = " ".join(host.executive.calls[0])
 113         self.assertIn('generate_breakpad_symbols.py', cmd_line)
 114         cmd_line = " ".join(host.executive.calls[1])
 115         self.assertIn('minidump_stackwalk', cmd_line)