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# Copyright 2018 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import difflib
from . import base
class OutProc(base.OutProc):
def __init__(self, expected_outcomes, expected_path):
super(OutProc, self).__init__(expected_outcomes)
self._expected_path = expected_path
def _is_failure_output(self, output):
with open(self._expected_path) as f:
expected = f.read()
expected_lines = expected.splitlines()
actual_lines = output.stdout.splitlines()
diff = difflib.unified_diff(expected_lines, actual_lines, lineterm="",
fromfile="expected_path")
diffstring = '\n'.join(diff)
if diffstring != "":
if "generated from a non-shipping build" in output.stdout:
return False
if not "generated from a shipping build" in output.stdout:
output.stdout = "Unexpected output:\n\n" + output.stdout
return True
output.stdout = diffstring
return True
return False