def test_setup_test_runs_terminates_if_xvfb_proc_fails(self):
def run_command_fake(args):
if args[0] == 'xdpyinfo':
return 1
return 0
host = MockSystemHost(os_name=self.os_name, os_version=self.os_version)
port = self.make_port(host=host)
# Xvfb is started via Executive.popen, which returns an object for the
# process. Here we set up a fake process object that acts as if it has
# exited with return code 1 immediately.
proc = MockProcess(stdout='', stderr='', returncode=3)
port.host.executive = MockExecutive(run_command_fn=run_command_fake,
proc=proc)
self.set_logging_level(logging.DEBUG)
port.setup_test_run()
self.assertEqual(port.host.executive.calls, [[
'xdpyinfo', '-display', ':99'
], ['Xvfb', ':99', '-screen', '0', '1280x800x24', '-ac', '-dpi', '96']
])
self.assertLog([
'DEBUG: Starting Xvfb with display ":99".\n',
'CRITICAL: Failed to start Xvfb on display ":99" (xvfb retcode: 3).\n'
])
def test_helper_starts(self):
host = MockSystemHost(MockExecutive())
port = self.make_port(host)
with OutputCapture():
host.executive._proc = MockProcess('ready\n')
port.start_helper()
port.stop_helper()
# make sure trying to stop the helper twice is safe.
port.stop_helper()
def test_helper_fails_to_stop(self):
host = MockSystemHost(MockExecutive())
host.executive._proc = MockProcess()
def bad_waiter():
raise IOError('failed to wait')
host.executive._proc.wait = bad_waiter
port = self.make_port(host)
with OutputCapture():
port.start_helper()
port.stop_helper()
def test_generate_crash_log(self):
if sys.platform.startswith('win'):
return
executive = MockExecutive()
executive._proc = MockProcess()
executive._proc.stdout = 'STDERR: <empty>'
generator = GDBCrashLogGenerator(executive,
'DumpRenderTree',
28529,
newer_than=None,
filesystem=MockFileSystem(
{'/path/to/coredumps': ''}),
path_to_driver=None,
port_name="gtk",
configuration="Debug")
core_directory = os.environ.get('WEBKIT_CORE_DUMPS_DIRECTORY',
'/path/to/coredumps')
core_pattern = generator._filesystem.join(core_directory,
"core-pid_%p.dump")
mock_empty_crash_log = """\
crash log for DumpRenderTree (pid 28529):
Coredump core-pid_28529.dump not found. To enable crash logs:
- run this command as super-user: echo "%(core_pattern)s" > /proc/sys/kernel/core_pattern
- enable core dumps: ulimit -c unlimited
- set the WEBKIT_CORE_DUMPS_DIRECTORY environment variable: export WEBKIT_CORE_DUMPS_DIRECTORY=%(core_directory)s
STDERR: <empty>""" % locals()
def _mock_gdb_output(self, coredump_path):
return (mock_empty_crash_log, [])
generator._get_gdb_output = _mock_gdb_output
stderr, log = generator.generate_crash_log(None, None)
self.assertEqual(stderr, None)
self.assertMultiLineEqual(log, mock_empty_crash_log)
generator.newer_than = 0.0
self.assertEqual(stderr, None)
self.assertMultiLineEqual(log, mock_empty_crash_log)
