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# -*- coding:utf-8 -*-
#
# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unittests for the wrapper.py module."""
from __future__ import print_function
import contextlib
import os
import re
import shutil
import tempfile
import unittest
import platform_utils
from pyversion import is_python3
import wrapper
if is_python3():
from unittest import mock
from io import StringIO
else:
import mock
from StringIO import StringIO
@contextlib.contextmanager
def TemporaryDirectory():
"""Create a new empty git checkout for testing."""
# TODO(vapier): Convert this to tempfile.TemporaryDirectory once we drop
# Python 2 support entirely.
try:
tempdir = tempfile.mkdtemp(prefix='repo-tests')
yield tempdir
finally:
platform_utils.rmtree(tempdir)
def fixture(*paths):
"""Return a path relative to tests/fixtures.
"""
return os.path.join(os.path.dirname(__file__), 'fixtures', *paths)
class RepoWrapperTestCase(unittest.TestCase):
"""TestCase for the wrapper module."""
def setUp(self):
"""Load the wrapper module every time."""
wrapper._wrapper_module = None
self.wrapper = wrapper.Wrapper()
if not is_python3():
self.assertRegex = self.assertRegexpMatches
class RepoWrapperUnitTest(RepoWrapperTestCase):
"""Tests helper functions in the repo wrapper
"""
def test_version(self):
"""Make sure _Version works."""
with self.assertRaises(SystemExit) as e:
with mock.patch('sys.stdout', new_callable=StringIO) as stdout:
with mock.patch('sys.stderr', new_callable=StringIO) as stderr:
self.wrapper._Version()
self.assertEqual(0, e.exception.code)
self.assertEqual('', stderr.getvalue())
self.assertIn('repo launcher version', stdout.getvalue())
def test_init_parser(self):
"""Make sure 'init' GetParser works."""
parser = self.wrapper.GetParser(gitc_init=False)
opts, args = parser.parse_args([])
self.assertEqual([], args)
self.assertIsNone(opts.manifest_url)
def test_gitc_init_parser(self):
"""Make sure 'gitc-init' GetParser works."""
parser = self.wrapper.GetParser(gitc_init=True)
opts, args = parser.parse_args([])
self.assertEqual([], args)
self.assertIsNone(opts.manifest_file)
def test_get_gitc_manifest_dir_no_gitc(self):
"""
Test reading a missing gitc config file
"""
self.wrapper.GITC_CONFIG_FILE = fixture('missing_gitc_config')
val = self.wrapper.get_gitc_manifest_dir()
self.assertEqual(val, '')
def test_get_gitc_manifest_dir(self):
"""
Test reading the gitc config file and parsing the directory
"""
self.wrapper.GITC_CONFIG_FILE = fixture('gitc_config')
val = self.wrapper.get_gitc_manifest_dir()
self.assertEqual(val, '/test/usr/local/google/gitc')
def test_gitc_parse_clientdir_no_gitc(self):
"""
Test parsing the gitc clientdir without gitc running
"""
self.wrapper.GITC_CONFIG_FILE = fixture('missing_gitc_config')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/something'), None)
self.assertEqual(self.wrapper.gitc_parse_clientdir('/gitc/manifest-rw/test'), 'test')
def test_gitc_parse_clientdir(self):
"""
Test parsing the gitc clientdir
"""
self.wrapper.GITC_CONFIG_FILE = fixture('gitc_config')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/something'), None)
self.assertEqual(self.wrapper.gitc_parse_clientdir('/gitc/manifest-rw/test'), 'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/gitc/manifest-rw/test/'), 'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/gitc/manifest-rw/test/extra'), 'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/test/usr/local/google/gitc/test'), 'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/test/usr/local/google/gitc/test/'), 'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/test/usr/local/google/gitc/test/extra'),
'test')
self.assertEqual(self.wrapper.gitc_parse_clientdir('/gitc/manifest-rw/'), None)
self.assertEqual(self.wrapper.gitc_parse_clientdir('/test/usr/local/google/gitc/'), None)
class SetGitTrace2ParentSid(RepoWrapperTestCase):
"""Check SetGitTrace2ParentSid behavior."""
KEY = 'GIT_TRACE2_PARENT_SID'
VALID_FORMAT = re.compile(r'^repo-[0-9]{8}T[0-9]{6}Z-P[0-9a-f]{8}$')
def test_first_set(self):
"""Test env var not yet set."""
env = {}
self.wrapper.SetGitTrace2ParentSid(env)
self.assertIn(self.KEY, env)
value = env[self.KEY]
self.assertRegex(value, self.VALID_FORMAT)
def test_append(self):
"""Test env var is appended."""
env = {self.KEY: 'pfx'}
self.wrapper.SetGitTrace2ParentSid(env)
self.assertIn(self.KEY, env)
value = env[self.KEY]
self.assertTrue(value.startswith('pfx/'))
self.assertRegex(value[4:], self.VALID_FORMAT)
def test_global_context(self):
"""Check os.environ gets updated by default."""
os.environ.pop(self.KEY, None)
self.wrapper.SetGitTrace2ParentSid()
self.assertIn(self.KEY, os.environ)
value = os.environ[self.KEY]
self.assertRegex(value, self.VALID_FORMAT)
class RunCommand(RepoWrapperTestCase):
"""Check run_command behavior."""
def test_capture(self):
"""Check capture_output handling."""
ret = self.wrapper.run_command(['echo', 'hi'], capture_output=True)
self.assertEqual(ret.stdout, 'hi\n')
def test_check(self):
"""Check check handling."""
self.wrapper.run_command(['true'], check=False)
self.wrapper.run_command(['true'], check=True)
self.wrapper.run_command(['false'], check=False)
with self.assertRaises(self.wrapper.RunError):
self.wrapper.run_command(['false'], check=True)
class RunGit(RepoWrapperTestCase):
"""Check run_git behavior."""
def test_capture(self):
"""Check capture_output handling."""
ret = self.wrapper.run_git('--version')
self.assertIn('git', ret.stdout)
def test_check(self):
"""Check check handling."""
with self.assertRaises(self.wrapper.CloneFailure):
self.wrapper.run_git('--version-asdfasdf')
self.wrapper.run_git('--version-asdfasdf', check=False)
class ParseGitVersion(RepoWrapperTestCase):
"""Check ParseGitVersion behavior."""
def test_autoload(self):
"""Check we can load the version from the live git."""
ret = self.wrapper.ParseGitVersion()
self.assertIsNotNone(ret)
def test_bad_ver(self):
"""Check handling of bad git versions."""
ret = self.wrapper.ParseGitVersion(ver_str='asdf')
self.assertIsNone(ret)
def test_normal_ver(self):
"""Check handling of normal git versions."""
ret = self.wrapper.ParseGitVersion(ver_str='git version 2.25.1')
self.assertEqual(2, ret.major)
self.assertEqual(25, ret.minor)
self.assertEqual(1, ret.micro)
self.assertEqual('2.25.1', ret.full)
def test_extended_ver(self):
"""Check handling of extended distro git versions."""
ret = self.wrapper.ParseGitVersion(
ver_str='git version 1.30.50.696.g5e7596f4ac-goog')
self.assertEqual(1, ret.major)
self.assertEqual(30, ret.minor)
self.assertEqual(50, ret.micro)
self.assertEqual('1.30.50.696.g5e7596f4ac-goog', ret.full)
class CheckGitVersion(RepoWrapperTestCase):
"""Check _CheckGitVersion behavior."""
def test_unknown(self):
"""Unknown versions should abort."""
with mock.patch.object(self.wrapper, 'ParseGitVersion', return_value=None):
with self.assertRaises(self.wrapper.CloneFailure):
self.wrapper._CheckGitVersion()
def test_old(self):
"""Old versions should abort."""
with mock.patch.object(
self.wrapper, 'ParseGitVersion',
return_value=self.wrapper.GitVersion(1, 0, 0, '1.0.0')):
with self.assertRaises(self.wrapper.CloneFailure):
self.wrapper._CheckGitVersion()
def test_new(self):
"""Newer versions should run fine."""
with mock.patch.object(
self.wrapper, 'ParseGitVersion',
return_value=self.wrapper.GitVersion(100, 0, 0, '100.0.0')):
self.wrapper._CheckGitVersion()
class NeedSetupGnuPG(RepoWrapperTestCase):
"""Check NeedSetupGnuPG behavior."""
def test_missing_dir(self):
"""The ~/.repoconfig tree doesn't exist yet."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = os.path.join(tempdir, 'foo')
self.assertTrue(self.wrapper.NeedSetupGnuPG())
def test_missing_keyring(self):
"""The keyring-version file doesn't exist yet."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = tempdir
self.assertTrue(self.wrapper.NeedSetupGnuPG())
def test_empty_keyring(self):
"""The keyring-version file exists, but is empty."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = tempdir
with open(os.path.join(tempdir, 'keyring-version'), 'w'):
pass
self.assertTrue(self.wrapper.NeedSetupGnuPG())
def test_old_keyring(self):
"""The keyring-version file exists, but it's old."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = tempdir
with open(os.path.join(tempdir, 'keyring-version'), 'w') as fp:
fp.write('1.0\n')
self.assertTrue(self.wrapper.NeedSetupGnuPG())
def test_new_keyring(self):
"""The keyring-version file exists, and is up-to-date."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = tempdir
with open(os.path.join(tempdir, 'keyring-version'), 'w') as fp:
fp.write('1000.0\n')
self.assertFalse(self.wrapper.NeedSetupGnuPG())
class SetupGnuPG(RepoWrapperTestCase):
"""Check SetupGnuPG behavior."""
def test_full(self):
"""Make sure it works completely."""
with TemporaryDirectory() as tempdir:
self.wrapper.home_dot_repo = tempdir
self.wrapper.gpg_dir = os.path.join(self.wrapper.home_dot_repo, 'gnupg')
self.assertTrue(self.wrapper.SetupGnuPG(True))
with open(os.path.join(tempdir, 'keyring-version'), 'r') as fp:
data = fp.read()
self.assertEqual('.'.join(str(x) for x in self.wrapper.KEYRING_VERSION),
data.strip())
class VerifyRev(RepoWrapperTestCase):
"""Check verify_rev behavior."""
def test_verify_passes(self):
"""Check when we have a valid signed tag."""
desc_result = self.wrapper.RunResult(0, 'v1.0\n', '')
gpg_result = self.wrapper.RunResult(0, '', '')
with mock.patch.object(self.wrapper, 'run_git',
side_effect=(desc_result, gpg_result)):
ret = self.wrapper.verify_rev('/', 'refs/heads/stable', '1234', True)
self.assertEqual('v1.0^0', ret)
def test_unsigned_commit(self):
"""Check we fall back to signed tag when we have an unsigned commit."""
desc_result = self.wrapper.RunResult(0, 'v1.0-10-g1234\n', '')
gpg_result = self.wrapper.RunResult(0, '', '')
with mock.patch.object(self.wrapper, 'run_git',
side_effect=(desc_result, gpg_result)):
ret = self.wrapper.verify_rev('/', 'refs/heads/stable', '1234', True)
self.assertEqual('v1.0^0', ret)
def test_verify_fails(self):
"""Check we fall back to signed tag when we have an unsigned commit."""
desc_result = self.wrapper.RunResult(0, 'v1.0-10-g1234\n', '')
gpg_result = Exception
with mock.patch.object(self.wrapper, 'run_git',
side_effect=(desc_result, gpg_result)):
with self.assertRaises(Exception):
self.wrapper.verify_rev('/', 'refs/heads/stable', '1234', True)
class GitCheckoutTestCase(RepoWrapperTestCase):
"""Tests that use a real/small git checkout."""
GIT_DIR = None
REV_LIST = None
@classmethod
def setUpClass(cls):
# Create a repo to operate on, but do it once per-class.
cls.GIT_DIR = tempfile.mkdtemp(prefix='repo-rev-tests')
run_git = wrapper.Wrapper().run_git
remote = os.path.join(cls.GIT_DIR, 'remote')
os.mkdir(remote)
run_git('init', cwd=remote)
run_git('commit', '--allow-empty', '-minit', cwd=remote)
run_git('branch', 'stable', cwd=remote)
run_git('tag', 'v1.0', cwd=remote)
run_git('commit', '--allow-empty', '-m2nd commit', cwd=remote)
cls.REV_LIST = run_git('rev-list', 'HEAD', cwd=remote).stdout.splitlines()
run_git('init', cwd=cls.GIT_DIR)
run_git('fetch', remote, '+refs/heads/*:refs/remotes/origin/*', cwd=cls.GIT_DIR)
@classmethod
def tearDownClass(cls):
if not cls.GIT_DIR:
return
shutil.rmtree(cls.GIT_DIR)
class ResolveRepoRev(GitCheckoutTestCase):
"""Check resolve_repo_rev behavior."""
def test_explicit_branch(self):
"""Check refs/heads/branch argument."""
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, 'refs/heads/stable')
self.assertEqual('refs/heads/stable', rrev)
self.assertEqual(self.REV_LIST[1], lrev)
with self.assertRaises(wrapper.CloneFailure):
self.wrapper.resolve_repo_rev(self.GIT_DIR, 'refs/heads/unknown')
def test_explicit_tag(self):
"""Check refs/tags/tag argument."""
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, 'refs/tags/v1.0')
self.assertEqual('refs/tags/v1.0', rrev)
self.assertEqual(self.REV_LIST[1], lrev)
with self.assertRaises(wrapper.CloneFailure):
self.wrapper.resolve_repo_rev(self.GIT_DIR, 'refs/tags/unknown')
def test_branch_name(self):
"""Check branch argument."""
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, 'stable')
self.assertEqual('refs/heads/stable', rrev)
self.assertEqual(self.REV_LIST[1], lrev)
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, 'master')
self.assertEqual('refs/heads/master', rrev)
self.assertEqual(self.REV_LIST[0], lrev)
def test_tag_name(self):
"""Check tag argument."""
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, 'v1.0')
self.assertEqual('refs/tags/v1.0', rrev)
self.assertEqual(self.REV_LIST[1], lrev)
def test_full_commit(self):
"""Check specific commit argument."""
commit = self.REV_LIST[0]
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, commit)
self.assertEqual(commit, rrev)
self.assertEqual(commit, lrev)
def test_partial_commit(self):
"""Check specific (partial) commit argument."""
commit = self.REV_LIST[0][0:20]
rrev, lrev = self.wrapper.resolve_repo_rev(self.GIT_DIR, commit)
self.assertEqual(self.REV_LIST[0], rrev)
self.assertEqual(self.REV_LIST[0], lrev)
def test_unknown(self):
"""Check unknown ref/commit argument."""
with self.assertRaises(wrapper.CloneFailure):
self.wrapper.resolve_repo_rev(self.GIT_DIR, 'boooooooya')
class CheckRepoVerify(RepoWrapperTestCase):
"""Check check_repo_verify behavior."""
def test_no_verify(self):
"""Always fail with --no-repo-verify."""
self.assertFalse(self.wrapper.check_repo_verify(False))
def test_gpg_initialized(self):
"""Should pass if gpg is setup already."""
with mock.patch.object(self.wrapper, 'NeedSetupGnuPG', return_value=False):
self.assertTrue(self.wrapper.check_repo_verify(True))
def test_need_gpg_setup(self):
"""Should pass/fail based on gpg setup."""
with mock.patch.object(self.wrapper, 'NeedSetupGnuPG', return_value=True):
with mock.patch.object(self.wrapper, 'SetupGnuPG') as m:
m.return_value = True
self.assertTrue(self.wrapper.check_repo_verify(True))
m.return_value = False
self.assertFalse(self.wrapper.check_repo_verify(True))
class CheckRepoRev(GitCheckoutTestCase):
"""Check check_repo_rev behavior."""
def test_verify_works(self):
"""Should pass when verification passes."""
with mock.patch.object(self.wrapper, 'check_repo_verify', return_value=True):
with mock.patch.object(self.wrapper, 'verify_rev', return_value='12345'):
rrev, lrev = self.wrapper.check_repo_rev(self.GIT_DIR, 'stable')
self.assertEqual('refs/heads/stable', rrev)
self.assertEqual('12345', lrev)
def test_verify_fails(self):
"""Should fail when verification fails."""
with mock.patch.object(self.wrapper, 'check_repo_verify', return_value=True):
with mock.patch.object(self.wrapper, 'verify_rev', side_effect=Exception):
with self.assertRaises(Exception):
self.wrapper.check_repo_rev(self.GIT_DIR, 'stable')
def test_verify_ignore(self):
"""Should pass when verification is disabled."""
with mock.patch.object(self.wrapper, 'verify_rev', side_effect=Exception):
rrev, lrev = self.wrapper.check_repo_rev(self.GIT_DIR, 'stable', repo_verify=False)
self.assertEqual('refs/heads/stable', rrev)
self.assertEqual(self.REV_LIST[1], lrev)
if __name__ == '__main__':
unittest.main()