7601854ddd
Migrate predictable_wrapper to py3. Run test in v8_presubmit. R=liviurau@chromium.org, machenbach@chromium.org Bug: chromium:1245634 Change-Id: I941e248ffcf12ce26a55a5f5889dab06ee74e66e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3448379 Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Liviu Rau <liviurau@chromium.org> Commit-Queue: Alexander Schulze <alexschulze@chromium.org> Cr-Commit-Position: refs/heads/main@{#79200}
58 lines
1.5 KiB
Python
Executable File
58 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# Copyright 2017 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 subprocess
|
|
import sys
|
|
import tempfile
|
|
import unittest
|
|
|
|
TOOLS_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
|
|
|
PREDICTABLE_WRAPPER = os.path.join(
|
|
TOOLS_DIR, 'predictable_wrapper.py')
|
|
|
|
PREDICTABLE_MOCKED = os.path.join(
|
|
TOOLS_DIR, 'unittests', 'testdata', 'predictable_mocked.py')
|
|
|
|
def call_wrapper(mode):
|
|
"""Call the predictable wrapper under test with a mocked file to test.
|
|
|
|
Instead of d8, we use python and a python mock script. This mock script is
|
|
expecting two arguments, mode (one of 'equal', 'differ' or 'missing') and
|
|
a path to a temporary file for simulating non-determinism.
|
|
"""
|
|
fd, state_file = tempfile.mkstemp()
|
|
os.close(fd)
|
|
try:
|
|
args = [
|
|
sys.executable,
|
|
PREDICTABLE_WRAPPER,
|
|
sys.executable,
|
|
PREDICTABLE_MOCKED,
|
|
mode,
|
|
state_file,
|
|
]
|
|
proc = subprocess.Popen(args, stdout=subprocess.PIPE)
|
|
proc.communicate()
|
|
return proc.returncode
|
|
finally:
|
|
os.unlink(state_file)
|
|
|
|
|
|
class PredictableTest(unittest.TestCase):
|
|
def testEqualAllocationOutput(self):
|
|
self.assertEqual(0, call_wrapper('equal'))
|
|
|
|
def testNoAllocationOutput(self):
|
|
self.assertEqual(2, call_wrapper('missing'))
|
|
|
|
def testDifferentAllocationOutput(self):
|
|
self.assertEqual(3, call_wrapper('differ'))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|