| #!/usr/bin/env python3 |
| # -*- coding: utf-8 -*- |
| # Copyright 2019 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. |
| |
| import os |
| import sys |
| import unittest |
| |
| import git_llvm_rev |
| |
| |
| def get_llvm_checkout() -> str: |
| my_dir = os.path.dirname(os.path.abspath(__file__)) |
| return os.path.join(my_dir, 'llvm-project-copy') |
| |
| |
| def get_llvm_config() -> git_llvm_rev.LLVMConfig: |
| return git_llvm_rev.LLVMConfig(dir=get_llvm_checkout(), remote='origin') |
| |
| |
| class Test(unittest.TestCase): |
| |
| def rev_to_sha_with_round_trip(self, rev: git_llvm_rev.Rev) -> str: |
| config = get_llvm_config() |
| sha = git_llvm_rev.translate_rev_to_sha(config, rev) |
| roundtrip_rev = git_llvm_rev.translate_sha_to_rev(config, sha) |
| self.assertEqual(roundtrip_rev, rev) |
| return sha |
| |
| def test_sha_to_rev_on_base_sha_works(self) -> None: |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev( |
| branch='master', number=git_llvm_rev.base_llvm_revision)) |
| self.assertEqual(sha, git_llvm_rev.base_llvm_sha) |
| |
| def test_sha_to_rev_prior_to_base_rev_works(self) -> None: |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='master', number=375000)) |
| self.assertEqual(sha, '2f6da767f13b8fd81f840c211d405fea32ac9db7') |
| |
| def test_sha_to_rev_after_base_rev_works(self) -> None: |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='master', number=375506)) |
| self.assertEqual(sha, '3bf7fddeb05655d9baed4cc69e13535c677ed1dd') |
| |
| def test_llvm_svn_parsing_runs_ignore_reverts(self) -> None: |
| # This commit has a revert that mentions the reverted llvm-svn in the |
| # commit message. |
| |
| # Commit which performed the revert |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='master', number=374895)) |
| self.assertEqual(sha, '1731fc88d1fa1fa55edd056db73a339b415dd5d6') |
| |
| # Commit that was reverted |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='master', number=374841)) |
| self.assertEqual(sha, '2a1386c81de504b5bda44fbecf3f7b4cdfd748fc') |
| |
| def test_imaginary_revs_raise(self) -> None: |
| with self.assertRaises(ValueError) as r: |
| git_llvm_rev.translate_rev_to_sha( |
| get_llvm_config(), git_llvm_rev.Rev(branch='master', number=9999999)) |
| |
| self.assertIn('Try updating your tree?', str(r.exception)) |
| |
| # NOTE: The below tests have _zz_ in their name as an optimization. Iterating |
| # on a quick test is painful when these larger tests come before it and take |
| # 7secs to run. Python's unittest module guarantees tests are run in |
| # alphabetical order by their method name, so... |
| # |
| # If you're wondering, the slow part is `git branch -r --contains`. I imagine |
| # it's going to be very cold code, so I'm not inclined to optimize it much. |
| |
| def test_zz_branch_revs_work_after_merge_points_and_svn_cutoff(self) -> None: |
| # Arbitrary 9.x commit without an attached llvm-svn: value. |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='release/9.x', number=366670)) |
| self.assertEqual(sha, '4e858e4ac00b59f064da4e1f7e276916e7d296aa') |
| |
| def test_zz_branch_revs_work_at_merge_points(self) -> None: |
| rev_number = 366426 |
| backing_sha = 'c89a3d78f43d81b9cff7b9248772ddf14d21b749' |
| |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='master', number=rev_number)) |
| self.assertEqual(sha, backing_sha) |
| |
| # Note that this won't round-trip: since this commit is on the master |
| # branch, we'll pick master for this. That's fine |
| sha = git_llvm_rev.translate_rev_to_sha( |
| get_llvm_config(), |
| git_llvm_rev.Rev(branch='release/9.x', number=rev_number)) |
| self.assertEqual(sha, backing_sha) |
| |
| def test_zz_branch_revs_work_after_merge_points(self) -> None: |
| # Picking the commit on the 9.x branch after the merge-base for that + |
| # master. Note that this is where llvm-svn numbers should diverge from |
| # ours, and are therefore untrustworthy. The commit for this *does* have a |
| # different `llvm-svn:` string than we should have. |
| sha = self.rev_to_sha_with_round_trip( |
| git_llvm_rev.Rev(branch='release/9.x', number=366427)) |
| self.assertEqual(sha, '2cf681a11aea459b50d712abc7136f7129e4d57f') |
| |
| |
| # FIXME: When release/10.x happens, it may be nice to have a test-case |
| # generally covering that, since it's the first branch that we have to travel |
| # back to the base commit for. |
| |
| if __name__ == '__main__': |
| # We have exactly one concrete target that we often have checked out anyway. |
| # Rather than building tests that hopefully match that target, use it |
| # directly. |
| if not os.path.isdir(get_llvm_checkout()): |
| print( |
| 'Please checkout llvm-project-copy to run these tests. A simple way ' |
| 'to do that is running `./get_llvm_hash.py --llvm_version 370000`', |
| file=sys.stderr) |
| sys.exit(1) |
| unittest.main() |