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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for revert_checker."""
from __future__ import print_function
# pylint: disable=cros-logging-import
import logging
import unittest
import llvm_project
import revert_checker
# pylint: disable=protected-access
class _SilencingFilter(object):
"""Silences all log messages.
Also collects info about log messages that would've been emitted.
"""
def __init__(self):
self.messages = []
def filter(self, record):
self.messages.append(record.getMessage())
return 0
class Test(unittest.TestCase):
"""Tests for revert_checker."""
def silence_logging(self):
root = logging.getLogger()
filt = _SilencingFilter()
root.addFilter(filt)
self.addCleanup(root.removeFilter, filt)
return filt
def test_known_log_stream(self):
start_sha = 'e241573d5972d34a323fa5c64774c4207340beb3'
end_sha = 'a7a37517751ffb0f5529011b4ba96e67fcb27510'
commits = [
revert_checker._LogEntry(
'e241573d5972d34a323fa5c64774c4207340beb3', '\n'.join((
'[mlir] NFC: remove IntegerValueSet / MutableIntegerSet',
'',
'Summary:',
'- these are unused and really not needed now given flat '
'affine',
' constraints',
'',
'Differential Revision: https://reviews.llvm.org/D75792',
))),
revert_checker._LogEntry(
'97572fa6e9daecd648873496fd11f7d1e25a55f0',
'[NFC] use hasAnyOperatorName and hasAnyOverloadedOperatorName '
'functions in clang-tidy matchers',
),
]
logs = list(
revert_checker._log_stream(
llvm_project.get_location(),
root_sha=start_sha,
end_at_sha=end_sha,
))
self.assertEqual(commits, logs)
def test_reverted_noncommit_object_is_a_nop(self):
log_filter = self.silence_logging()
# c9944df916e41b1014dff5f6f75d52297b48ecdc mentions reverting a non-commit
# object. It sits between the given base_ref and root.
reverts = revert_checker.find_reverts(
git_dir=llvm_project.get_location(),
across_ref='c9944df916e41b1014dff5f6f75d52297b48ecdc~',
root='c9944df916e41b1014dff5f6f75d52297b48ecdc')
self.assertEqual(reverts, [])
complaint = ('Failed to resolve reverted object '
'edd18355be574122aaa9abf58c15d8c50fb085a1')
self.assertTrue(
any(x.startswith(complaint) for x in log_filter.messages),
log_filter.messages)
def test_known_reverts_across_previous_llvm_next_rev(self):
# c9944df916e41b1014dff5f6f75d52297b48ecdc mentions reverting a non-commit
# object. It sits between the given base_ref and root.
reverts = revert_checker.find_reverts(
git_dir=llvm_project.get_location(),
across_ref='c47f971694be0159ffddfee8a75ae515eba91439',
root='9f981e9adf9c8d29bb80306daf08d2770263ade6')
self.assertEqual(reverts, [
revert_checker.Revert(
sha='9f981e9adf9c8d29bb80306daf08d2770263ade6',
reverted_sha='4060016fce3e6a0b926ee9fc59e440a612d3a2ec'),
revert_checker.Revert(
sha='4e0fe038f438ae1679eae9e156e1f248595b2373',
reverted_sha='65b21282c710afe9c275778820c6e3c1cf46734b'),
])
if __name__ == '__main__':
llvm_project.ensure_up_to_date()
unittest.main()
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