def _WatchTestOutput(self, p):
"""Watches the test output.
Args:
p: the process generating output as created by pexpect.spawn.
"""
ok_tests = []
failed_tests = []
crashed_tests = []
timed_out_tests = []
# Test case statuses.
re_run = re.compile('\[ RUN \] ?(.*)\r\n')
re_fail = re.compile('\[ FAILED \] ?(.*)\r\n')
re_ok = re.compile('\[ OK \] ?(.*?) .*\r\n')
# Test run statuses.
re_passed = re.compile('\[ PASSED \] ?(.*)\r\n')
re_runner_fail = re.compile('\[ RUNNER_FAILED \] ?(.*)\r\n')
# Signal handlers are installed before starting tests
# to output the CRASHED marker when a crash happens.
re_crash = re.compile('\[ CRASHED \](.*)\r\n')
try:
while True:
full_test_name = None
found = p.expect([re_run, re_passed, re_runner_fail],
timeout=self.timeout)
if found == 1: # re_passed
break
elif found == 2: # re_runner_fail
break
else: # re_run
full_test_name = p.match.group(1).replace('\r', '')
found = p.expect([re_ok, re_fail, re_crash],
timeout=self.timeout)
if found == 0: # re_ok
if full_test_name == p.match.group(1).replace(
'\r', ''):
ok_tests += [
BaseTestResult(full_test_name, p.before)
]
elif found == 2: # re_crash
crashed_tests += [
BaseTestResult(full_test_name, p.before)
]
break
else: # re_fail
failed_tests += [
BaseTestResult(full_test_name, p.before)
]
except pexpect.EOF:
logging.error('Test terminated - EOF')
# We're here because either the device went offline, or the test harness
# crashed without outputting the CRASHED marker (crbug.com/175538).
if not self.adb.IsOnline():
raise errors.DeviceUnresponsiveError(
'Device %s went offline.' % self.device)
elif full_test_name:
crashed_tests += [BaseTestResult(full_test_name, p.before)]
except pexpect.TIMEOUT:
logging.error('Test terminated after %d second timeout.',
self.timeout)
if full_test_name:
timed_out_tests += [BaseTestResult(full_test_name, p.before)]
finally:
p.close()
ret_code = self._GetGTestReturnCode()
if ret_code:
logging.critical(
'gtest exit code: %d\npexpect.before: %s\npexpect.after: %s',
ret_code, p.before, p.after)
# Create TestResults and return
return TestResults.FromRun(ok=ok_tests,
failed=failed_tests,
crashed=crashed_tests,
timed_out=timed_out_tests)
