| #!/usr/bin/python |
| # Copyright (c) 2012 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. |
| |
| """Unittests for sync stages.""" |
| |
| from __future__ import print_function |
| |
| import cPickle |
| import itertools |
| import os |
| import sys |
| import time |
| import tempfile |
| |
| sys.path.insert(0, os.path.abspath('%s/../../..' % os.path.dirname(__file__))) |
| from chromite.cbuildbot import constants |
| from chromite.cbuildbot import lkgm_manager |
| from chromite.cbuildbot import manifest_version |
| from chromite.cbuildbot import manifest_version_unittest |
| from chromite.cbuildbot import repository |
| from chromite.cbuildbot import tree_status |
| from chromite.cbuildbot import validation_pool |
| from chromite.cbuildbot.stages import sync_stages |
| from chromite.cbuildbot.stages import generic_stages_unittest |
| from chromite.lib import cros_build_lib_unittest |
| from chromite.lib import cros_test_lib |
| from chromite.lib import cidb |
| from chromite.lib import clactions |
| from chromite.lib import fake_cidb |
| from chromite.lib import gerrit |
| from chromite.lib import git_unittest |
| from chromite.lib import gob_util |
| from chromite.lib import osutils |
| from chromite.lib import timeout_util |
| |
| |
| # TODO(build): Finish test wrapper (http://crosbug.com/37517). |
| # Until then, this has to be after the chromite imports. |
| import mock |
| |
| MOCK_BUILD_ID = 69178 |
| |
| # pylint: disable=R0901,W0212 |
| class ManifestVersionedSyncStageTest(generic_stages_unittest.AbstractStageTest): |
| """Tests the ManifestVersionedSync stage.""" |
| # pylint: disable=W0223 |
| |
| def setUp(self): |
| self.source_repo = 'ssh://source/repo' |
| self.manifest_version_url = 'fake manifest url' |
| self.branch = 'master' |
| self.build_name = 'x86-generic' |
| self.incr_type = 'branch' |
| self.next_version = 'next_version' |
| self.sync_stage = None |
| |
| repo = repository.RepoRepository( |
| self.source_repo, self.tempdir, self.branch) |
| self.manager = manifest_version.BuildSpecsManager( |
| repo, self.manifest_version_url, [self.build_name], self.incr_type, |
| force=False, branch=self.branch, dry_run=True) |
| |
| self._Prepare() |
| |
| def _Prepare(self, bot_id=None, **kwargs): |
| super(ManifestVersionedSyncStageTest, self)._Prepare(bot_id, **kwargs) |
| |
| self._run.config['manifest_version'] = self.manifest_version_url |
| self.sync_stage = sync_stages.ManifestVersionedSyncStage(self._run) |
| self.sync_stage.manifest_manager = self.manager |
| self._run.attrs.manifest_manager = self.manager |
| self._run.attrs.metadata.UpdateWithDict({'build_id': MOCK_BUILD_ID}) |
| |
| def testManifestVersionedSyncOnePartBranch(self): |
| """Tests basic ManifestVersionedSyncStage with branch ooga_booga""" |
| # pylint: disable=E1120 |
| self.mox.StubOutWithMock(sync_stages.ManifestVersionedSyncStage, |
| 'Initialize') |
| self.mox.StubOutWithMock(sync_stages.ManifestVersionedSyncStage, |
| '_SetChromeVersionIfApplicable') |
| self.mox.StubOutWithMock(manifest_version.BuildSpecsManager, |
| 'GetNextBuildSpec') |
| self.mox.StubOutWithMock(manifest_version.BuildSpecsManager, |
| 'GetLatestPassingSpec') |
| self.mox.StubOutWithMock(sync_stages.SyncStage, 'ManifestCheckout') |
| |
| sync_stages.ManifestVersionedSyncStage.Initialize() |
| self.manager.GetNextBuildSpec( |
| build_id=MOCK_BUILD_ID, |
| dashboard_url=self.sync_stage.ConstructDashboardURL() |
| ).AndReturn(self.next_version) |
| self.manager.GetLatestPassingSpec().AndReturn(None) |
| |
| sync_stages.ManifestVersionedSyncStage._SetChromeVersionIfApplicable( |
| self.next_version) |
| sync_stages.SyncStage.ManifestCheckout(self.next_version) |
| |
| self.mox.ReplayAll() |
| self.sync_stage.Run() |
| self.mox.VerifyAll() |
| |
| |
| class MockPatch(mock.MagicMock): |
| """MagicMock for a GerritPatch-like object.""" |
| |
| gerrit_number = '1234' |
| patch_number = '1' |
| project = 'chromiumos/chromite' |
| status = 'NEW' |
| internal = False |
| current_patch_set = { |
| 'number': patch_number, |
| 'draft': False, |
| } |
| patch_dict = { |
| 'currentPatchSet': current_patch_set, |
| } |
| remote = 'cros' |
| |
| def HasApproval(self, field, value): |
| """Pretends the patch is good. |
| |
| Pretend the patch has all of the values listed in |
| constants.DEFAULT_CQ_READY_FIELDS, but not any other fields. |
| """ |
| return constants.DEFAULT_CQ_READY_FIELDS.get(field, 0) == value |
| |
| |
| class BaseCQTestCase(generic_stages_unittest.StageTest): |
| """Helper class for testing the CommitQueueSync stage""" |
| MANIFEST_CONTENTS = '<manifest/>' |
| |
| def setUp(self): |
| """Setup patchers for specified bot id.""" |
| # Mock out methods as needed. |
| self.PatchObject(lkgm_manager, 'GenerateBlameList') |
| self.PatchObject(repository.RepoRepository, 'ExportManifest', |
| return_value=self.MANIFEST_CONTENTS, autospec=True) |
| self.StartPatcher(git_unittest.ManifestMock()) |
| self.StartPatcher(git_unittest.ManifestCheckoutMock()) |
| version_file = os.path.join(self.build_root, constants.VERSION_FILE) |
| manifest_version_unittest.VersionInfoTest.WriteFakeVersionFile(version_file) |
| rc_mock = self.StartPatcher(cros_build_lib_unittest.RunCommandMock()) |
| rc_mock.SetDefaultCmdResult() |
| |
| # Block the CQ from contacting GoB. |
| self.PatchObject(gerrit.GerritHelper, 'RemoveCommitReady') |
| self.PatchObject(gerrit.GerritHelper, 'SubmitChange') |
| self.PatchObject(validation_pool.PaladinMessage, 'Send') |
| |
| # If a test is still contacting GoB, something is busted. |
| self.PatchObject(gob_util, 'CreateHttpConn', |
| side_effect=AssertionError('Test should not contact GoB')) |
| |
| # Create a fake repo / manifest on disk that is used by subclasses. |
| for subdir in ('repo', 'manifests'): |
| osutils.SafeMakedirs(os.path.join(self.build_root, '.repo', subdir)) |
| self.manifest_path = os.path.join(self.build_root, '.repo', 'manifest.xml') |
| osutils.WriteFile(self.manifest_path, self.MANIFEST_CONTENTS) |
| self.PatchObject(validation_pool.ValidationPool, 'ReloadChanges', |
| side_effect=lambda x: x) |
| |
| # Create and set up a fake cidb instance. |
| self.fake_db = fake_cidb.FakeCIDBConnection() |
| cidb.CIDBConnectionFactory.SetupMockCidb(self.fake_db) |
| |
| self.sync_stage = None |
| self._Prepare() |
| |
| def tearDown(self): |
| cidb.CIDBConnectionFactory.ClearMock() |
| |
| def _Prepare(self, bot_id=None, **kwargs): |
| super(BaseCQTestCase, self)._Prepare(bot_id, **kwargs) |
| self._run.config.overlays = constants.PUBLIC_OVERLAYS |
| self.sync_stage = sync_stages.CommitQueueSyncStage(self._run) |
| |
| def PerformSync(self, committed=False, num_patches=1, tree_open=True, |
| tree_throttled=False, |
| pre_cq_status=constants.CL_STATUS_PASSED, |
| runs=0, **kwargs): |
| """Helper to perform a basic sync for master commit queue. |
| |
| Args: |
| committed: Value to be returned by mock patches' IsChangeCommitted. |
| Default: False. |
| num_patches: The number of mock patches to create. Default: 1. |
| tree_open: If True, behave as if tree is open. Default: True. |
| tree_throttled: If True, behave as if tree is throttled |
| (overriding the tree_open arg). Default: False. |
| pre_cq_status: PreCQ status for mock patches. Default: passed. |
| runs: The maximum number of times to allow validation_pool.AcquirePool |
| to wait for additional changes. runs=0 means never wait for |
| additional changes. Default: 0. |
| **kwargs: Additional arguments to pass to MockPatch when creating patches. |
| |
| Returns: |
| A list of MockPatch objects which were created and used in PerformSync. |
| """ |
| kwargs.setdefault('approval_timestamp', |
| time.time() - sync_stages.PreCQLauncherStage.LAUNCH_DELAY * 60) |
| changes = [MockPatch(**kwargs)] * num_patches |
| if pre_cq_status is not None: |
| new_build_id = self.fake_db.InsertBuild('Pre cq group', |
| constants.WATERFALL_TRYBOT, |
| 1, |
| constants.PRE_CQ_GROUP_CONFIG, |
| 'bot-hostname') |
| for change in changes: |
| action = clactions.TranslatePreCQStatusToAction(pre_cq_status) |
| self.fake_db.InsertCLActions( |
| new_build_id, |
| [clactions.CLAction.FromGerritPatchAndAction(change, action)]) |
| self.PatchObject(gerrit.GerritHelper, 'IsChangeCommitted', |
| return_value=committed, autospec=True) |
| self.PatchObject(gerrit.GerritHelper, 'Query', |
| return_value=changes, autospec=True) |
| if tree_throttled: |
| self.PatchObject(tree_status, 'WaitForTreeStatus', |
| return_value=constants.TREE_THROTTLED, autospec=True) |
| elif tree_open: |
| self.PatchObject(tree_status, 'WaitForTreeStatus', |
| return_value=constants.TREE_OPEN, autospec=True) |
| else: |
| self.PatchObject(tree_status, 'WaitForTreeStatus', |
| side_effect=timeout_util.TimeoutError()) |
| |
| exit_it = itertools.chain([False] * runs, itertools.repeat(True)) |
| self.PatchObject(validation_pool.ValidationPool, 'ShouldExitEarly', |
| side_effect=exit_it) |
| self.sync_stage.PerformStage() |
| |
| return changes |
| |
| def ReloadPool(self): |
| """Save the pool to disk and reload it.""" |
| with tempfile.NamedTemporaryFile() as f: |
| cPickle.dump(self.sync_stage.pool, f) |
| f.flush() |
| self._run.options.validation_pool = f.name |
| self.sync_stage = sync_stages.CommitQueueSyncStage(self._run) |
| self.sync_stage.HandleSkip() |
| |
| |
| class SlaveCQSyncTest(BaseCQTestCase): |
| """Tests the CommitQueueSync stage for the paladin slaves.""" |
| BOT_ID = 'x86-alex-paladin' |
| |
| def testReload(self): |
| """Test basic ability to sync and reload the patches from disk.""" |
| self.PatchObject(lkgm_manager.LKGMManager, 'GetLatestCandidate', |
| return_value=self.manifest_path, autospec=True) |
| self.sync_stage.PerformStage() |
| self.ReloadPool() |
| |
| |
| class MasterCQSyncTestCase(BaseCQTestCase): |
| """Helper class for testing the CommitQueueSync stage masters.""" |
| |
| BOT_ID = 'master-paladin' |
| |
| def setUp(self): |
| """Setup patchers for specified bot id.""" |
| self.AutoPatch([[validation_pool.ValidationPool, 'ApplyPoolIntoRepo']]) |
| self.PatchObject(lkgm_manager.LKGMManager, 'CreateNewCandidate', |
| return_value=self.manifest_path, autospec=True) |
| self.PatchObject(lkgm_manager.LKGMManager, 'CreateFromManifest', |
| return_value=self.manifest_path, autospec=True) |
| |
| def _testCommitNonManifestChange(self, **kwargs): |
| """Test the commit of a non-manifest change. |
| |
| Returns: |
| List of MockPatch objects that were used in PerformSync |
| """ |
| # Setting tracking_branch=foo makes this a non-manifest change. |
| kwargs.setdefault('committed', True) |
| kwargs.setdefault('tracking_branch', 'foo') |
| return self.PerformSync(**kwargs) |
| |
| def _testFailedCommitOfNonManifestChange(self): |
| """Test what happens when the commit of a non-manifest change fails. |
| |
| Returns: |
| List of MockPatch objects that were used in PerformSync |
| """ |
| return self._testCommitNonManifestChange(committed=False) |
| |
| def _testCommitManifestChange(self, **kwargs): |
| """Test committing a change to a project that's part of the manifest. |
| |
| Returns: |
| List of MockPatch objects that were used in PerformSync |
| """ |
| self.PatchObject(validation_pool.ValidationPool, '_FilterNonCrosProjects', |
| side_effect=lambda x, _: (x, [])) |
| return self.PerformSync(**kwargs) |
| |
| def _testDefaultSync(self): |
| """Test basic ability to sync with standard options. |
| |
| Returns: |
| List of MockPatch objects that were used in PerformSync |
| """ |
| return self.PerformSync() |
| |
| |
| class MasterCQSyncTest(MasterCQSyncTestCase): |
| """Tests the CommitQueueSync stage for the paladin masters.""" |
| |
| def testCommitNonManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| changes = self._testCommitNonManifestChange() |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testFailedCommitOfNonManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| changes = self._testFailedCommitOfNonManifestChange() |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testCommitManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| changes = self._testCommitManifestChange() |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testCommitManifestChangeWithoutPreCQ(self): |
| """Changes get ignored if they aren't approved by pre-cq.""" |
| self._testCommitManifestChange(pre_cq_status=None) |
| self.assertItemsEqual(self.sync_stage.pool.changes, []) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testCommitManifestChangeWithoutPreCQAndOldPatches(self): |
| """Changes get tested without pre-cq if the approval_timestamp is old.""" |
| changes = self._testCommitManifestChange(pre_cq_status=None, |
| approval_timestamp=0) |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testDefaultSync(self): |
| """See MasterCQSyncTestCase""" |
| changes = self._testDefaultSync() |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testReload(self): |
| """Test basic ability to sync and reload the patches from disk.""" |
| # Use zero patches because mock patches can't be pickled. |
| changes = self.PerformSync(num_patches=0, runs=0) |
| self.ReloadPool() |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| def testTreeClosureBlocksCommit(self): |
| """Test that tree closures block commits.""" |
| self.assertRaises(SystemExit, self._testCommitNonManifestChange, |
| tree_open=False) |
| |
| def testTreeThrottleUsesAlternateGerritQuery(self): |
| """Test that if the tree is throttled, we use an alternate gerrit query.""" |
| changes = self.PerformSync(tree_throttled=True) |
| gerrit.GerritHelper.Query.assert_called_with( |
| mock.ANY, constants.THROTTLED_CQ_READY_QUERY, |
| sort='lastUpdated') |
| self.assertItemsEqual(self.sync_stage.pool.changes, changes) |
| self.assertItemsEqual(self.sync_stage.pool.non_manifest_changes, []) |
| |
| |
| class PreCQLauncherStageTest(MasterCQSyncTestCase): |
| """Tests for the PreCQLauncherStage.""" |
| |
| BOT_ID = constants.PRE_CQ_LAUNCHER_CONFIG |
| STATUS_LAUNCHING = constants.CL_STATUS_LAUNCHING |
| STATUS_WAITING = constants.CL_STATUS_WAITING |
| STATUS_FAILED = constants.CL_STATUS_FAILED |
| STATUS_READY_TO_SUBMIT = constants.CL_STATUS_READY_TO_SUBMIT |
| STATUS_INFLIGHT = constants.CL_STATUS_INFLIGHT |
| |
| def setUp(self): |
| self.PatchObject(time, 'sleep', autospec=True) |
| |
| def _PrepareAutoLaunch(self): |
| """Cause CLs with launching status to be automatically launched.""" |
| # Mock out UpdateCLPreCQStatus so that when a "Launching" action is |
| # recorded, automatically pretend to start a new build which records |
| # an "Inflight" action for the same change. |
| original_method = validation_pool.ValidationPool.UpdateCLPreCQStatus |
| |
| def new_method(target, change, status): |
| original_method(target, change, status) |
| if (status == self.STATUS_LAUNCHING): |
| # This is going to pretend to insert the inflight action from the same |
| # build_id as the pre-cq-launcher. In reality, that action would be |
| # inserted by another builder. |
| original_method(target, change, self.STATUS_INFLIGHT) |
| |
| self.PatchObject(validation_pool.ValidationPool, 'UpdateCLPreCQStatus', |
| new_method) |
| |
| |
| def _Prepare(self, bot_id=None, **kwargs): |
| build_id = self.fake_db.InsertBuild( |
| constants.PRE_CQ_LAUNCHER_NAME, constants.WATERFALL_INTERNAL, 1, |
| constants.PRE_CQ_LAUNCHER_CONFIG, 'bot-hostname') |
| |
| super(PreCQLauncherStageTest, self)._Prepare( |
| bot_id, build_id=build_id, **kwargs) |
| |
| self.sync_stage = sync_stages.PreCQLauncherStage(self._run) |
| |
| def testCommitNonManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| self._testCommitNonManifestChange() |
| |
| def testFailedCommitOfNonManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| self._testFailedCommitOfNonManifestChange() |
| |
| def testCommitManifestChange(self): |
| """See MasterCQSyncTestCase""" |
| self._testCommitManifestChange() |
| |
| def testDefaultSync(self): |
| """See MasterCQSyncTestCase""" |
| self._testDefaultSync() |
| |
| def testTreeClosureIsOK(self): |
| """Test that tree closures block commits.""" |
| self._testCommitNonManifestChange(tree_open=False) |
| |
| def testLaunchTrybot(self): |
| """Test launching a trybot.""" |
| change = self._testCommitManifestChange(pre_cq_status=None)[0] |
| |
| self.assertEqual(self._GetPreCQStatus(change), self.STATUS_LAUNCHING) |
| |
| def testLaunchDelay(self): |
| """Test that we don't launch trybots if we're within the launch delay.""" |
| change = self._testCommitManifestChange(approval_timestamp=time.time(), |
| pre_cq_status=None)[0] |
| |
| action_history = self.fake_db.GetActionsForChanges([change]) |
| self.assertEqual(clactions.GetCLPreCQStatus(change, action_history), None) |
| |
| def testLaunchTrybotWithAutolaunch(self): |
| """Test launching a trybot with auto-launch.""" |
| self._PrepareAutoLaunch() |
| change = self._testCommitManifestChange(pre_cq_status=None)[0] |
| |
| self.assertEqual(self._GetPreCQStatus(change), self.STATUS_INFLIGHT) |
| |
| def _GetPreCQStatus(self, change): |
| """Helper method to get pre-cq status of a CL from fake_db.""" |
| action_history = self.fake_db.GetActionsForChanges([change]) |
| return clactions.GetCLPreCQStatus(change, action_history) |
| |
| def runTrybotTest(self, launching=0, waiting=0, failed=0, runs=0): |
| """Helper function for testing PreCQLauncher. |
| |
| Create a mock patch to be picked up by the PreCQ. Allow up to |
| |runs|+1 calls to ProcessChanges. Assert that the patch received status |
| LAUNCHING, WAITING, and FAILED |launching|, |waiting|, and |failed| times |
| respectively. |
| """ |
| change = self._testCommitManifestChange(pre_cq_status=None, runs=runs)[0] |
| |
| # Count the number of recorded actions corresponding to launching, watiting, |
| # and failed, and ensure they are correct. |
| expected = (launching, waiting, failed) |
| actions = (constants.CL_ACTION_PRE_CQ_LAUNCHING, |
| constants.CL_ACTION_PRE_CQ_WAITING, |
| constants.CL_ACTION_PRE_CQ_FAILED) |
| |
| action_history = self.fake_db.GetActionsForChanges([change]) |
| |
| for exp, action in zip(expected, actions): |
| cnt = clactions.GetCLActionCount( |
| change, [constants.PRE_CQ_LAUNCHER_CONFIG], action, action_history) |
| self.assertEqual( |
| exp, cnt, '%s != %s (action=%s)' % (exp, cnt, action)) |
| |
| def testLaunchTrybotTimesOutOnce(self): |
| """Test what happens when a trybot launch times out.""" |
| it = itertools.chain([True], itertools.repeat(False)) |
| self.PatchObject(sync_stages.PreCQLauncherStage, '_HasLaunchTimedOut', |
| side_effect=it) |
| self.runTrybotTest(launching=2, waiting=1, failed=0, runs=3) |
| |
| def testLaunchTrybotTimesOutTwice(self): |
| """Test what happens when a trybot launch times out.""" |
| self.PatchObject(sync_stages.PreCQLauncherStage, '_HasLaunchTimedOut', |
| return_value=True) |
| self.runTrybotTest(launching=2, waiting=1, failed=0, runs=3) |
| |
| def testInflightTrybotTimesOutOnce(self): |
| """Test what happens when an inflight trybot times out.""" |
| self._PrepareAutoLaunch() |
| it = itertools.chain([True], itertools.repeat(False)) |
| self.PatchObject(sync_stages.PreCQLauncherStage, '_HasInflightTimedOut', |
| side_effect=it) |
| self.runTrybotTest(launching=1, waiting=0, failed=0, runs=1) |
| |
| def testSubmit(self): |
| """Test submission of patches.""" |
| self.PatchObject(clactions, 'GetCLPreCQStatus', |
| return_value=self.STATUS_READY_TO_SUBMIT) |
| m = self.PatchObject(validation_pool.ValidationPool, 'SubmitChanges') |
| self.runTrybotTest(runs=1) |
| m.assert_called_with([mock.ANY], check_tree_open=False) |
| |
| |
| if __name__ == '__main__': |
| cros_test_lib.main() |
