blob: ece44ae23b37ff8f1fd83f6e44236df471b8be92 [file] [log] [blame]
# Copyright 2016 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.
"""Unit tests for chromite.lib.git and helpers for testing that module."""
from __future__ import print_function
import mock
import os
from chromite.cbuildbot import repository
from chromite.lib import constants
from chromite.lib import cros_build_lib
from chromite.lib import cros_build_lib_unittest
from chromite.lib import cros_test_lib
from chromite.lib import osutils
from chromite.scripts import cbuildbot_launch
EXPECTED_MANIFEST_URL = 'https://chrome-internal-review.googlesource.com/chromeos/manifest-internal' # pylint: disable=line-too-long
# It's reasonable for unittests to look at internals.
# pylint: disable=protected-access
class FakeException(Exception):
"""Test exception to raise during tests."""
class CbuildbotLaunchTest(cros_test_lib.MockTestCase):
"""Tests for cbuildbot_launch script."""
def testPreParseArguments(self):
"""Test that we can correctly extract branch values from cbuildbot args."""
CASES = (
(['--buildroot', '/buildroot', 'daisy-incremental'],
(None, '/buildroot', None)),
(['--buildbot', '--buildroot', '/buildroot',
'--git-cache-dir', '/git-cache',
'-b', 'release-R57-9202.B',
'daisy-incremental'],
('release-R57-9202.B', '/buildroot', '/git-cache')),
(['--debug', '--buildbot', '--notests',
'--buildroot', '/buildroot',
'--git-cache-dir', '/git-cache',
'--branch', 'release-R57-9202.B',
'daisy-incremental'],
('release-R57-9202.B', '/buildroot', '/git-cache')),
)
for cmd_args, expected in CASES:
expected_branch, expected_buildroot, expected_cache_dir = expected
options = cbuildbot_launch.PreParseArguments(cmd_args)
self.assertEqual(options.branch, expected_branch)
self.assertEqual(options.buildroot, expected_buildroot)
self.assertEqual(options.git_cache_dir, expected_cache_dir)
def testInitialCheckout(self):
"""Test InitialCheckout with minimum settings."""
mock_repo = mock.MagicMock()
mock_repo.branch = 'branch'
cbuildbot_launch.InitialCheckout(mock_repo)
self.assertEqual(mock_repo.mock_calls, [
mock.call.Sync(detach=True),
])
def testConfigureGlobalEnvironment(self):
"""Ensure that we can setup our global runtime environment correctly."""
os.environ.pop('LANG', None)
os.environ['LC_MONETARY'] = 'bad'
cbuildbot_launch.ConfigureGlobalEnvironment()
# Verify umask is updated.
self.assertEqual(os.umask(0), 0o22)
# Verify ENVs are cleaned up.
self.assertEqual(os.environ['LANG'], 'en_US.UTF-8')
self.assertNotIn('LC_MONETARY', os.environ)
class RunTests(cros_build_lib_unittest.RunCommandTestCase):
"""Tests for cbuildbot_launch script."""
ARGS_BASE = ['--buildroot', '/buildroot']
ARGS_GIT_CACHE = ['--git-cache-dir', '/git-cache']
ARGS_CONFIG = ['config']
CMD = ['/buildroot/chromite/bin/cbuildbot']
def verifyRunCbuildbot(self, args, expected_cmd, version):
"""Ensure we invoke cbuildbot correctly."""
options = cbuildbot_launch.PreParseArguments(args)
self.PatchObject(
cros_build_lib, 'GetTargetChromiteApiVersion', autospec=True,
return_value=version)
cbuildbot_launch.RunCbuildbot(options)
self.assertCommandCalled(
expected_cmd, cwd=options.buildroot, error_code_ok=True)
def testRunCbuildbotSimple(self):
"""Ensure we invoke cbuildbot correctly."""
self.verifyRunCbuildbot(
self.ARGS_BASE + self.ARGS_CONFIG,
self.CMD + self.ARGS_CONFIG + self.ARGS_BASE,
(0, 4))
def testRunCbuildbotNotFiltered(self):
"""Ensure we invoke cbuildbot correctly."""
self.verifyRunCbuildbot(
self.ARGS_BASE + self.ARGS_CONFIG + self.ARGS_GIT_CACHE,
self.CMD + self.ARGS_CONFIG + self.ARGS_BASE + self.ARGS_GIT_CACHE,
(0, 4))
def testRunCbuildbotFiltered(self):
"""Ensure we invoke cbuildbot correctly."""
self.verifyRunCbuildbot(
self.ARGS_BASE + self.ARGS_CONFIG + self.ARGS_GIT_CACHE,
self.CMD + self.ARGS_CONFIG + self.ARGS_BASE,
(0, 2))
def testMainMin(self):
"""Test a minimal set of command line options."""
self.PatchObject(osutils, 'SafeMakedirs', autospec=True)
self.PatchObject(cros_build_lib, 'GetTargetChromiteApiVersion',
autospec=True, return_value=(constants.REEXEC_API_MAJOR,
constants.REEXEC_API_MINOR))
mock_repo = mock.MagicMock()
mock_repo.branch = 'master'
mock_repo_create = self.PatchObject(repository, 'RepoRepository',
autospec=True, return_value=mock_repo)
mock_clean = self.PatchObject(cbuildbot_launch, 'CleanBuildroot',
autospec=True)
mock_checkout = self.PatchObject(cbuildbot_launch, 'InitialCheckout',
autospec=True)
cbuildbot_launch._main(['--buildroot', '/buildroot', 'config'])
# Did we create the repo instance correctly?
self.assertEqual(mock_repo_create.mock_calls,
[mock.call(EXPECTED_MANIFEST_URL, '/buildroot',
git_cache_dir=None, branch='master')])
# Ensure we clean, as expected.
self.assertEqual(mock_clean.mock_calls,
[mock.call('/buildroot', mock_repo,
{'branch_name': 'master'})])
# Ensure we checkout, as expected.
self.assertEqual(mock_checkout.mock_calls,
[mock.call(mock_repo)])
# Ensure we invoke cbuildbot, as expected.
self.assertCommandCalled(
['/buildroot/chromite/bin/cbuildbot',
'config', '--buildroot', '/buildroot'],
cwd='/buildroot',
error_code_ok=True)
def testMainMax(self):
"""Test a larger set of command line options."""
self.PatchObject(osutils, 'SafeMakedirs', autospec=True)
self.PatchObject(cros_build_lib, 'GetTargetChromiteApiVersion',
autospec=True, return_value=(constants.REEXEC_API_MAJOR,
constants.REEXEC_API_MINOR))
mock_repo = mock.MagicMock()
mock_repo.branch = 'branch'
mock_repo_create = self.PatchObject(repository, 'RepoRepository',
autospec=True, return_value=mock_repo)
mock_clean = self.PatchObject(cbuildbot_launch, 'CleanBuildroot',
autospec=True)
mock_checkout = self.PatchObject(cbuildbot_launch, 'InitialCheckout',
autospec=True)
cbuildbot_launch._main(['--buildroot', '/buildroot',
'--branch', 'branch',
'--git-cache-dir', '/git-cache',
'config'])
# Did we create the repo instance correctly?
self.assertEqual(mock_repo_create.mock_calls,
[mock.call(EXPECTED_MANIFEST_URL, '/buildroot',
git_cache_dir='/git-cache', branch='branch')])
# Ensure we clean, as expected.
self.assertEqual(mock_clean.mock_calls,
[mock.call('/buildroot', mock_repo,
{'branch_name': 'branch'})])
# Ensure we checkout, as expected.
self.assertEqual(mock_checkout.mock_calls,
[mock.call(mock_repo)])
# Ensure we invoke cbuildbot, as expected.
self.assertCommandCalled(
['/buildroot/chromite/bin/cbuildbot',
'config',
'--buildroot', '/buildroot',
'--branch', 'branch',
'--git-cache-dir', '/git-cache'],
cwd='/buildroot',
error_code_ok=True)
class CleanBuildrootTest(cros_test_lib.MockTempDirTestCase):
"""Tests for CleanBuildroot method."""
def setUp(self):
"""Create standard buildroot contents for cleanup."""
self.root = os.path.join(self.tempdir, 'buildroot')
self.state = os.path.join(self.root, '.cbuildbot_launch_state')
self.repo = os.path.join(self.root, '.repo/repo')
self.chroot = os.path.join(self.root, 'chroot/chroot')
self.general = os.path.join(self.root, 'general/general')
# TODO: Add .cache, and distfiles.
self.mock_repo = mock.MagicMock()
self.metrics = {}
def populateBuildroot(self, state=None):
"""Create standard buildroot contents for cleanup."""
osutils.SafeMakedirs(self.root)
if state:
osutils.WriteFile(self.state, state)
# Create files.
for f in (self.repo, self.chroot, self.general):
osutils.Touch(f, makedirs=True)
def testNoBuildroot(self):
"""Test CleanBuildroot with no history."""
self.mock_repo.branch = 'master'
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 master')
def testBuildrootNoState(self):
"""Test CleanBuildroot with no state information."""
self.populateBuildroot()
self.mock_repo.branch = 'master'
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 master')
self.assertNotExists(self.repo)
self.assertNotExists(self.chroot)
self.assertNotExists(self.general)
def testBuildrootFormatMismatch(self):
"""Test CleanBuildroot with no state information."""
self.populateBuildroot('0 master')
self.mock_repo.branch = 'master'
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 master')
self.assertNotExists(self.repo)
self.assertNotExists(self.chroot)
self.assertNotExists(self.general)
def testBuildrootBranchChange(self):
"""Test CleanBuildroot with a change in branches."""
self.populateBuildroot('1 branchA')
self.mock_repo.branch = 'branchB'
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 branchB')
self.assertExists(self.repo)
self.assertNotExists(self.chroot)
self.assertExists(self.general)
def testBuildrootBranchMatch(self):
"""Test CleanBuildroot with no change in branch."""
self.populateBuildroot('1 branchA')
self.mock_repo.branch = 'branchA'
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 branchA')
self.assertExists(self.repo)
self.assertExists(self.chroot)
self.assertExists(self.general)
def testBuildrootRepoCleanFailure(self):
"""Test CleanBuildroot with repo checkout failure."""
self.populateBuildroot('1 branchA')
self.mock_repo.branch = 'branchA'
self.mock_repo.BuildRootGitCleanup.side_effect = Exception
cbuildbot_launch.CleanBuildroot(self.root, self.mock_repo, self.metrics)
self.assertEqual(osutils.ReadFile(self.state), '1 branchA')
self.assertNotExists(self.repo)
self.assertNotExists(self.chroot)
self.assertNotExists(self.general)
def testGetBuildrootState(self):
"""Test GetBuildrootState."""
# No root dir.
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (0, ''))
# Empty root dir.
osutils.SafeMakedirs(self.root)
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (0, ''))
# Empty Contents
osutils.WriteFile(self.state, '')
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (0, ''))
# Old Format Contents
osutils.WriteFile(self.state, 'happy-branch')
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (0, ''))
# Expected Contents
osutils.WriteFile(self.state, '1 happy-branch')
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (1, 'happy-branch'))
# Future Contents
osutils.WriteFile(self.state, '22 master')
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (22, 'master'))
# Read Write
cbuildbot_launch.SetBuildrootState('happy-branch', self.root)
results = cbuildbot_launch.GetBuildrootState(self.root)
self.assertEqual(results, (1, 'happy-branch'))
def testSetBuildrootState(self):
"""Test SetBuildrootState."""
# Write out a state file.
osutils.SafeMakedirs(self.root)
cbuildbot_launch.SetBuildrootState('happy-branch', self.root)
self.assertEqual(osutils.ReadFile(self.state), '1 happy-branch')
# Change to a future version.
self.PatchObject(cbuildbot_launch, 'BUILDROOT_BUILDROOT_LAYOUT', 22)
cbuildbot_launch.SetBuildrootState('happy-branch', self.root)
self.assertEqual(osutils.ReadFile(self.state), '22 happy-branch')