v8/tools/release/test_search_related_commits.py

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#!/usr/bin/env python
# Copyright 2015 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.
from collections import namedtuple
from os import path
import search_related_commits
import shutil
from subprocess import Popen, PIPE, check_call
import unittest
TEST_CONFIG = {
"GIT_REPO": "/tmp/test-v8-search-related-commits",
}
class TestSearchRelatedCommits(unittest.TestCase):
base_dir = TEST_CONFIG["GIT_REPO"]
def _execute_git(self, git_args):
fullCommand = ["git", "-C", self.base_dir] + git_args
p = Popen(args=fullCommand, stdin=PIPE,
stdout=PIPE, stderr=PIPE)
output, err = p.communicate()
rc = p.returncode
if rc != 0:
raise Exception(err)
return output
def setUp(self):
if path.exists(self.base_dir):
shutil.rmtree(self.base_dir)
check_call(["git", "init", self.base_dir])
# Initial commit
message = """[turbofan] Sanitize language mode for javascript operators.
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28059}"""
self._make_empty_commit(message)
message = """[crankshaft] Do some stuff
R=hablich@chromium.org
Review URL: https://codereview.chromium.org/1084243007
Cr-Commit-Position: refs/heads/master@{#28030}"""
self._make_empty_commit(message)
def tearDown(self):
if path.exists(self.base_dir):
shutil.rmtree(self.base_dir)
def _assert_correct_standard_result(
self, result, all_commits, hash_of_first_commit):
self.assertEqual(len(result), 1, "Master commit not found")
self.assertTrue(
result.get(hash_of_first_commit),
"Master commit is wrong")
self.assertEqual(
len(result[hash_of_first_commit]),
1,
"Child commit not found")
self.assertEqual(
all_commits[2],
result[hash_of_first_commit][0],
"Child commit wrong")
def _get_commits(self):
commits = self._execute_git(
["log", "--format=%H", "--reverse"]).splitlines()
return commits
def _make_empty_commit(self, message):
self._execute_git(["commit", "--allow-empty", "-m", message])
def testSearchByCommitPosition(self):
message = """Revert of some stuff.
> Cr-Commit-Position: refs/heads/master@{#28059}
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28088}"""
self._make_empty_commit(message)
commits = self._get_commits()
hash_of_first_commit = commits[0]
result = search_related_commits.search_all_related_commits(
self.base_dir, hash_of_first_commit, "HEAD", None)
self._assert_correct_standard_result(result, commits, hash_of_first_commit)
def testSearchByTitle(self):
message = """Revert of some stuff.
> [turbofan] Sanitize language mode for javascript operators.
> Cr-Commit-Position: refs/heads/master@{#289}
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28088}"""
self._make_empty_commit(message)
commits = self._get_commits()
hash_of_first_commit = commits[0]
result = search_related_commits.search_all_related_commits(
self.base_dir, hash_of_first_commit, "HEAD", None)
self._assert_correct_standard_result(result, commits, hash_of_first_commit)
def testSearchByHash(self):
commits = self._get_commits()
hash_of_first_commit = commits[0]
message = """Revert of some stuff.
> [turbofan] Sanitize language mode for javascript operators.
> Reverting """ + hash_of_first_commit + """
> R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28088}"""
self._make_empty_commit(message)
#Fetch again for an update
commits = self._get_commits()
hash_of_first_commit = commits[0]
result = search_related_commits.search_all_related_commits(
self.base_dir,
hash_of_first_commit,
"HEAD",
None)
self._assert_correct_standard_result(result, commits, hash_of_first_commit)
def testConsiderSeparator(self):
commits = self._get_commits()
hash_of_first_commit = commits[0]
# Related commits happen before separator so it is not a hit
message = """Revert of some stuff: Not a hit
> [turbofan] Sanitize language mode for javascript operators.
> Reverting """ + hash_of_first_commit + """
> R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28088}"""
self._make_empty_commit(message)
# Related commits happen before and after separator so it is a hit
commit_pos_of_master = "27088"
message = """Implement awesome feature: Master commit
Review URL: https://codereview.chromium.org/1084243235
Cr-Commit-Position: refs/heads/master@{#""" + commit_pos_of_master + "}"
self._make_empty_commit(message)
# Separator commit
message = """Commit which is the origin of the branch
Review URL: https://codereview.chromium.org/1084243456
Cr-Commit-Position: refs/heads/master@{#28173}"""
self._make_empty_commit(message)
# Filler commit
message = "Some unrelated commit: Not a hit"
self._make_empty_commit(message)
# Related commit after separator: a hit
message = "Patch r" + commit_pos_of_master +""" done
Review URL: https://codereview.chromium.org/1084243235
Cr-Commit-Position: refs/heads/master@{#29567}"""
self._make_empty_commit(message)
#Fetch again for an update
commits = self._get_commits()
hash_of_first_commit = commits[0]
hash_of_hit = commits[3]
hash_of_separator = commits[4]
hash_of_child_hit = commits[6]
result = search_related_commits.search_all_related_commits(
self.base_dir,
hash_of_first_commit,
"HEAD",
hash_of_separator)
self.assertTrue(result.get(hash_of_hit), "Hit not found")
self.assertEqual(len(result), 1, "More than one hit found")
self.assertEqual(
len(result.get(hash_of_hit)),
1,
"More than one child hit found")
self.assertEqual(
result.get(hash_of_hit)[0],
hash_of_child_hit,
"Wrong commit found")
def testPrettyPrint(self):
message = """Revert of some stuff.
> [turbofan] Sanitize language mode for javascript operators.
> Cr-Commit-Position: refs/heads/master@{#289}
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1084243005
Cr-Commit-Position: refs/heads/master@{#28088}"""
self._make_empty_commit(message)
commits = self._get_commits()
hash_of_first_commit = commits[0]
OptionsStruct = namedtuple(
"OptionsStruct",
"git_dir of until all prettyprint separator verbose")
options = OptionsStruct(
git_dir= self.base_dir,
of= [hash_of_first_commit],
until= [commits[2]],
all= True,
prettyprint= True,
separator = None,
verbose=False)
output = []
for current_line in search_related_commits.main(options):
output.append(current_line)
self.assertIs(len(output), 2, "Not exactly two entries written")
self.assertTrue(output[0].startswith("+"), "Master entry not marked with +")
self.assertTrue(output[1].startswith("| "), "Child entry not marked with |")
def testNothingFound(self):
commits = self._get_commits()
self._execute_git(["commit", "--allow-empty", "-m", "A"])
self._execute_git(["commit", "--allow-empty", "-m", "B"])
self._execute_git(["commit", "--allow-empty", "-m", "C"])
self._execute_git(["commit", "--allow-empty", "-m", "D"])
hash_of_first_commit = commits[0]
result = search_related_commits.search_all_related_commits(
self.base_dir,
hash_of_first_commit,
"HEAD",
None)
self.assertEqual(len(result), 0, "Results found where none should be.")
if __name__ == "__main__":
#import sys;sys.argv = ['', 'Test.testName']
unittest.main()