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# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import mock
from zope.interface import implements
from twisted.trial import unittest
from twisted.internet import defer
from twisted.application import service
from buildbot.process.botmaster import BotMaster
from buildbot.process import factory
from buildbot import config, interfaces
from buildbot.test.fake import fakemaster
class TestCleanShutdown(unittest.TestCase):
def setUp(self):
self.botmaster = BotMaster(mock.Mock())
self.reactor = mock.Mock()
self.botmaster.startService()
def assertReactorStopped(self, _=None):
self.assertTrue(self.reactor.stop.called)
def assertReactorNotStopped(self, _=None):
self.assertFalse(self.reactor.stop.called)
def makeFakeBuild(self):
self.fake_builder = builder = mock.Mock()
build = mock.Mock()
builder.builder_status.getCurrentBuilds.return_value = [build]
self.build_deferred = defer.Deferred()
build.waitUntilFinished.return_value = self.build_deferred
self.botmaster.builders = mock.Mock()
self.botmaster.builders.values.return_value = [builder]
def finishFakeBuild(self):
self.fake_builder.builder_status.getCurrentBuilds.return_value = []
self.build_deferred.callback(None)
# tests
def test_shutdown_idle(self):
"""Test that the master shuts down when it's idle"""
self.botmaster.cleanShutdown(_reactor=self.reactor)
self.assertReactorStopped()
def test_shutdown_busy(self):
"""Test that the master shuts down after builds finish"""
self.makeFakeBuild()
self.botmaster.cleanShutdown(_reactor=self.reactor)
# check that we haven't stopped yet, since there's a running build
self.assertReactorNotStopped()
# try to shut it down again, just to check that this does not fail
self.botmaster.cleanShutdown(_reactor=self.reactor)
# Now we cause the build to finish
self.finishFakeBuild()
# And now we should be stopped
self.assertReactorStopped()
def test_shutdown_cancel_not_shutting_down(self):
"""Test that calling cancelCleanShutdown when none is in progress
works"""
# this just shouldn't fail..
self.botmaster.cancelCleanShutdown()
def test_shutdown_cancel(self):
"""Test that we can cancel a shutdown"""
self.makeFakeBuild()
self.botmaster.cleanShutdown(_reactor=self.reactor)
# Next we check that we haven't stopped yet, since there's a running
# build.
self.assertReactorNotStopped()
# but the BuildRequestDistributor should not be running
self.assertFalse(self.botmaster.brd.running)
# Cancel the shutdown
self.botmaster.cancelCleanShutdown()
# Now we cause the build to finish
self.finishFakeBuild()
# We should still be running!
self.assertReactorNotStopped()
# and the BuildRequestDistributor should be, as well
self.assertTrue(self.botmaster.brd.running)
class FakeBuildSlave(config.ReconfigurableServiceMixin, service.Service):
implements(interfaces.IBuildSlave)
reconfig_count = 0
def __init__(self, slavename):
self.slavename = slavename
def reconfigService(self, new_config):
self.reconfig_count += 1
return defer.succeed(None)
class FakeBuildSlave2(FakeBuildSlave):
pass
class TestBotMaster(unittest.TestCase):
def setUp(self):
self.master = fakemaster.make_master()
self.botmaster = BotMaster(self.master)
self.new_config = mock.Mock()
self.botmaster.startService()
def tearDown(self):
return self.botmaster.stopService()
def test_reconfigService(self):
# check that reconfigServiceSlaves and reconfigServiceBuilders are
# both called; they will be tested invidually below
self.patch(self.botmaster, 'reconfigServiceBuilders',
mock.Mock(side_effect=lambda c : defer.succeed(None)))
self.patch(self.botmaster, 'reconfigServiceSlaves',
mock.Mock(side_effect=lambda c : defer.succeed(None)))
self.patch(self.botmaster, 'maybeStartBuildsForAllBuilders',
mock.Mock())
old_config, new_config = mock.Mock(), mock.Mock()
d = self.botmaster.reconfigService(new_config)
@d.addCallback
def check(_):
self.botmaster.reconfigServiceBuilders.assert_called_with(
new_config)
self.botmaster.reconfigServiceSlaves.assert_called_with(
new_config)
self.assertTrue(
self.botmaster.maybeStartBuildsForAllBuilders.called)
return d
@defer.inlineCallbacks
def test_reconfigServiceSlaves_add_remove(self):
sl = FakeBuildSlave('sl1')
self.new_config.slaves = [ sl ]
yield self.botmaster.reconfigServiceSlaves(self.new_config)
self.assertIdentical(sl.parent, self.botmaster)
self.assertEqual(self.botmaster.slaves, { 'sl1' : sl })
self.new_config.slaves = [ ]
yield self.botmaster.reconfigServiceSlaves(self.new_config)
self.assertIdentical(sl.parent, None)
self.assertIdentical(sl.master, None)
@defer.inlineCallbacks
def test_reconfigServiceSlaves_reconfig(self):
sl = FakeBuildSlave('sl1')
self.botmaster.slaves = dict(sl1=sl)
sl.setServiceParent(self.botmaster)
sl.master = self.master
sl.botmaster = self.botmaster
sl_new = FakeBuildSlave('sl1')
self.new_config.slaves = [ sl_new ]
yield self.botmaster.reconfigServiceSlaves(self.new_config)
# sl was not replaced..
self.assertIdentical(self.botmaster.slaves['sl1'], sl)
@defer.inlineCallbacks
def test_reconfigServiceSlaves_class_changes(self):
sl = FakeBuildSlave('sl1')
self.botmaster.slaves = dict(sl1=sl)
sl.setServiceParent(self.botmaster)
sl.master = self.master
sl.botmaster = self.botmaster
sl_new = FakeBuildSlave2('sl1')
self.new_config.slaves = [ sl_new ]
yield self.botmaster.reconfigServiceSlaves(self.new_config)
# sl *was* replaced (different class)
self.assertIdentical(self.botmaster.slaves['sl1'], sl_new)
@defer.inlineCallbacks
def test_reconfigServiceBuilders_add_remove(self):
bc = config.BuilderConfig(name='bldr', factory=factory.BuildFactory(),
slavename='f')
self.new_config.builders = [ bc ]
yield self.botmaster.reconfigServiceBuilders(self.new_config)
bldr = self.botmaster.builders['bldr']
self.assertIdentical(bldr.parent, self.botmaster)
self.assertIdentical(bldr.master, self.master)
self.assertEqual(self.botmaster.builderNames, [ 'bldr' ])
self.new_config.builders = [ ]
yield self.botmaster.reconfigServiceBuilders(self.new_config)
self.assertIdentical(bldr.parent, None)
self.assertIdentical(bldr.master, None)
self.assertEqual(self.botmaster.builders, {})
self.assertEqual(self.botmaster.builderNames, [])
def test_maybeStartBuildsForBuilder(self):
brd = self.botmaster.brd = mock.Mock()
self.botmaster.maybeStartBuildsForBuilder('frank')
brd.maybeStartBuildsOn.assert_called_once_with(['frank'])
def test_maybeStartBuildsForSlave(self):
brd = self.botmaster.brd = mock.Mock()
b1 = mock.Mock(name='frank')
b1.name = 'frank'
b2 = mock.Mock(name='larry')
b2.name = 'larry'
self.botmaster.getBuildersForSlave = mock.Mock(return_value=[b1, b2])
self.botmaster.maybeStartBuildsForSlave('centos')
self.botmaster.getBuildersForSlave.assert_called_once_with('centos')
brd.maybeStartBuildsOn.assert_called_once_with(['frank', 'larry'])
def test_maybeStartBuildsForAll(self):
brd = self.botmaster.brd = mock.Mock()
self.botmaster.builderNames = ['frank', 'larry']
self.botmaster.maybeStartBuildsForAllBuilders()
brd.maybeStartBuildsOn.assert_called_once_with(['frank', 'larry'])
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