119 lines
3.9 KiB
Python
Executable File
119 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#===----------------------------------------------------------------------===##
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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#===----------------------------------------------------------------------===##
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"""Tests for revert_checker.
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Note that these tests require having LLVM's git history available, since our
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repository has a few interesting instances of edge-cases.
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"""
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import os
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import logging
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import unittest
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from typing import List
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import revert_checker
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# pylint: disable=protected-access
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def get_llvm_project_path() -> str:
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"""Returns the path to llvm-project's root."""
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my_dir = os.path.dirname(__file__)
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return os.path.realpath(os.path.join(my_dir, '..', '..'))
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class _SilencingFilter(logging.Filter):
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"""Silences all log messages.
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Also collects info about log messages that would've been emitted.
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"""
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def __init__(self) -> None:
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self.messages: List[str] = []
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def filter(self, record: logging.LogRecord) -> bool:
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self.messages.append(record.getMessage())
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return False
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class Test(unittest.TestCase):
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"""Tests for revert_checker."""
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def silence_logging(self) -> _SilencingFilter:
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root = logging.getLogger()
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filt = _SilencingFilter()
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root.addFilter(filt)
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self.addCleanup(root.removeFilter, filt)
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return filt
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def test_log_stream_with_known_sha_range(self) -> None:
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start_sha = 'e241573d5972d34a323fa5c64774c4207340beb3'
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end_sha = 'a7a37517751ffb0f5529011b4ba96e67fcb27510'
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commits = [
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revert_checker._LogEntry(
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'e241573d5972d34a323fa5c64774c4207340beb3', '\n'.join((
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'[mlir] NFC: remove IntegerValueSet / MutableIntegerSet',
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'',
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'Summary:',
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'- these are unused and really not needed now given flat '
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'affine',
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' constraints',
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'',
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'Differential Revision: https://reviews.llvm.org/D75792',
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))),
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revert_checker._LogEntry(
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'97572fa6e9daecd648873496fd11f7d1e25a55f0',
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'[NFC] use hasAnyOperatorName and hasAnyOverloadedOperatorName '
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'functions in clang-tidy matchers',
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),
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]
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logs = list(
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revert_checker._log_stream(
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get_llvm_project_path(),
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root_sha=start_sha,
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end_at_sha=end_sha,
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))
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self.assertEqual(commits, logs)
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def test_reverted_noncommit_object_is_a_nop(self) -> None:
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log_filter = self.silence_logging()
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# c9944df916e41b1014dff5f6f75d52297b48ecdc mentions reverting a non-commit
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# object. It sits between the given base_ref and root.
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reverts = revert_checker.find_reverts(
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git_dir=get_llvm_project_path(),
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across_ref='c9944df916e41b1014dff5f6f75d52297b48ecdc~',
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root='c9944df916e41b1014dff5f6f75d52297b48ecdc')
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self.assertEqual(reverts, [])
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complaint = ('Failed to resolve reverted object '
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'edd18355be574122aaa9abf58c15d8c50fb085a1')
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self.assertTrue(
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any(x.startswith(complaint) for x in log_filter.messages),
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log_filter.messages)
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def test_known_reverts_across_arbitrary_llvm_rev(self) -> None:
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reverts = revert_checker.find_reverts(
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git_dir=get_llvm_project_path(),
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across_ref='c47f971694be0159ffddfee8a75ae515eba91439',
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root='9f981e9adf9c8d29bb80306daf08d2770263ade6')
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self.assertEqual(reverts, [
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revert_checker.Revert(
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sha='4e0fe038f438ae1679eae9e156e1f248595b2373',
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reverted_sha='65b21282c710afe9c275778820c6e3c1cf46734b'),
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revert_checker.Revert(
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sha='9f981e9adf9c8d29bb80306daf08d2770263ade6',
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reverted_sha='4060016fce3e6a0b926ee9fc59e440a612d3a2ec'),
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])
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if __name__ == '__main__':
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unittest.main()
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