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_mock import MockHost
  34 from webkitpy.common.system.executive_mock import MockExecutive
  35 from webkitpy.layout_tests.breakpad.dump_reader_multipart import DumpReaderMultipart
  36
  37
  38 class TestDumpReaderMultipart(unittest.TestCase):
  39     _MULTIPART_DUMP = [
  40         '--boundary',
  41         'Content-Disposition: form-data; name="prod"',
  42         '',
  43         'content_shell',
  44         '--boundary',
  45         'Content-Disposition: form-data; name="pid"',
  46         '',
  47         '4711',
  48         '--boundary',
  49         'Content-Disposition: form-data; name="upload_file_minidump"; filename="dump"',
  50         'Content-Type: application/octet-stream',
  51         '',
  52         'MDMP',
  53         '--boundary--',
  54     ]
  55
  56     def test_check_is_functional_breakpad_tools_not_found(self):
  57         host = MockHost()
  58
  59         build_dir = "/mock-checkout/out/Debug"
  60         host.filesystem.maybe_make_directory(build_dir)
  61         dump_reader = DumpReaderMultipart(host, build_dir)
  62         dump_reader._file_extension = lambda: 'dmp'
  63         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
  64
  65         self.assertFalse(dump_reader.check_is_functional())
  66
  67     def test_get_pid_from_dump(self):
  68         host = MockHost()
  69
  70         dump_file = '/crash-dumps/dump.dmp'
  71         expected_pid = '4711'
  72         host.filesystem.write_text_file(dump_file, "\r\n".join(TestDumpReaderMultipart._MULTIPART_DUMP))
  73         build_dir = "/mock-checkout/out/Debug"
  74         host.filesystem.maybe_make_directory(build_dir)
  75         host.filesystem.exists = lambda x: True
  76
  77         # The mock file object returned by open_binary_file_for_reading doesn't
  78         # have readline(), however, the real File object does.
  79         host.filesystem.open_binary_file_for_reading = host.filesystem.open_text_file_for_reading
  80         dump_reader = DumpReaderMultipart(host, build_dir)
  81         dump_reader._file_extension = lambda: 'dmp'
  82         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
  83
  84         self.assertTrue(dump_reader.check_is_functional())
  85         self.assertEqual(expected_pid, dump_reader._get_pid_from_dump(dump_file))
  86
  87     def test_get_stack_from_dump(self):
  88         host = MockHost()
  89
  90         dump_file = '/crash-dumps/dump.dmp'
  91         host.filesystem.write_text_file(dump_file, "\r\n".join(TestDumpReaderMultipart._MULTIPART_DUMP))
  92         build_dir = "/mock-checkout/out/Debug"
  93         host.filesystem.maybe_make_directory(build_dir)
  94         host.filesystem.exists = lambda x: True
  95
  96         # The mock file object returned by open_binary_file_for_reading doesn't
  97         # have readline(), however, the real File object does.
  98         host.filesystem.open_binary_file_for_reading = host.filesystem.open_text_file_for_reading
  99         dump_reader = DumpReaderMultipart(host, build_dir)
 100         dump_reader._file_extension = lambda: 'dmp'
 101         dump_reader._binaries_to_symbolize = lambda: ['content_shell']
 102
 103         self.assertTrue(dump_reader.check_is_functional())
 104         self.assertEqual("MOCK output of child process", dump_reader._get_stack_from_dump(dump_file))
 105         self.assertEqual(2, len(host.executive.calls))
 106         cmd_line = " ".join(host.executive.calls[0])
 107         self.assertIn('generate_breakpad_symbols.py', cmd_line)
 108         cmd_line = " ".join(host.executive.calls[1])
 109         self.assertIn('minidump_stackwalk', cmd_line)