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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 os
import re
try: # Python3
from itertools import zip_longest
except ImportError: # Python2
from itertools import izip_longest as zip_longest
from . import base
class OutProc(base.ExpectedOutProc):
def __init__(self, expected_outcomes, basepath, expected_fail,
expected_filename, regenerate_expected_files):
super(OutProc, self).__init__(expected_outcomes, expected_filename,
regenerate_expected_files)
self._basepath = basepath
self._expected_fail = expected_fail
def _is_failure_output(self, output):
fail = output.exit_code != 0
if fail != self._expected_fail:
return True
expected_lines = []
# Can't use utils.ReadLinesFrom() here because it strips whitespace.
with open(self._basepath + '.out') as f:
for line in f:
if line.startswith("#") or not line.strip():
continue
expected_lines.append(line)
raw_lines = output.stdout.splitlines()
actual_lines = [ s for s in raw_lines if not self._ignore_line(s) ]
if len(expected_lines) != len(actual_lines):
return True
# Try .js first, and fall back to .mjs.
# TODO(v8:9406): clean this up by never separating the path from
# the extension in the first place.
base_path = self._basepath + '.js'
if not os.path.exists(base_path):
base_path = self._basepath + '.mjs'
env = {
'basename': os.path.basename(base_path),
}
for (expected, actual) in zip_longest(
expected_lines, actual_lines, fillvalue=''):
pattern = re.escape(expected.rstrip() % env)
pattern = pattern.replace('\\*', '.*')
pattern = pattern.replace('\\{NUMBER\\}', '\d+(?:\.\d*)?')
pattern = '^%s$' % pattern
if not re.match(pattern, actual):
return True
return False
def _ignore_line(self, string):
"""Ignore empty lines, valgrind output, Android output."""
return (
not string or
not string.strip() or
string.startswith("==") or
string.startswith("**") or
string.startswith("ANDROID") or
# Android linker warning.
string.startswith('WARNING: linker:')
)
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