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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 twisted.trial import unittest
from twisted.internet import defer
from buildbot.schedulers import manager, base
from buildbot import config
class SchedulerManager(unittest.TestCase):
def setUp(self):
self.next_objectid = 13
self.objectids = {}
self.master = mock.Mock()
def getObjectId(sched_name, class_name):
k = (sched_name, class_name)
try:
rv = self.objectids[k]
except:
rv = self.objectids[k] = self.next_objectid
self.next_objectid += 1
return defer.succeed(rv)
self.master.db.state.getObjectId = getObjectId
self.new_config = mock.Mock()
self.sm = manager.SchedulerManager(self.master)
self.sm.startService()
def tearDown(self):
if self.sm.running:
return self.sm.stopService()
class Sched(base.BaseScheduler):
# changing sch.attr should make a scheduler look "updated"
compare_attrs = base.BaseScheduler.compare_attrs + ( 'attr', )
already_started = False
reconfig_count = 0
def startService(self):
assert not self.already_started
assert self.master is not None
assert self.objectid is not None
self.already_started = True
base.BaseScheduler.startService(self)
def stopService(self):
d = base.BaseScheduler.stopService(self)
def still_set(_):
assert self.master is not None
assert self.objectid is not None
d.addCallback(still_set)
return d
class ReconfigSched(config.ReconfigurableServiceMixin, Sched):
def reconfigService(self, new_config):
self.reconfig_count += 1
new_sched = self.findNewSchedulerInstance(new_config)
self.attr = new_sched.attr
return config.ReconfigurableServiceMixin.reconfigService(self,
new_config)
class ReconfigSched2(ReconfigSched):
pass
def makeSched(self, cls, name, attr='alpha'):
sch = cls(name=name, builderNames=['x'], properties={})
sch.attr = attr
return sch
# tests
@defer.inlineCallbacks
def test_reconfigService_add_and_change_and_remove(self):
sch1 = self.makeSched(self.ReconfigSched, 'sch1', attr='alpha')
self.new_config.schedulers = dict(sch1=sch1)
yield self.sm.reconfigService(self.new_config)
self.assertIdentical(sch1.parent, self.sm)
self.assertIdentical(sch1.master, self.master)
self.assertEqual(sch1.reconfig_count, 1)
sch1_new = self.makeSched(self.ReconfigSched, 'sch1', attr='beta')
sch2 = self.makeSched(self.ReconfigSched, 'sch2', attr='alpha')
self.new_config.schedulers = dict(sch1=sch1_new, sch2=sch2)
yield self.sm.reconfigService(self.new_config)
# sch1 is still the active scheduler, and has been reconfig'd,
# and has the correct attribute
self.assertIdentical(sch1.parent, self.sm)
self.assertIdentical(sch1.master, self.master)
self.assertEqual(sch1.attr, 'beta')
self.assertEqual(sch1.reconfig_count, 2)
self.assertIdentical(sch1_new.parent, None)
self.assertIdentical(sch1_new.master, None)
self.assertIdentical(sch2.parent, self.sm)
self.assertIdentical(sch2.master, self.master)
self.new_config.schedulers = {}
yield self.sm.reconfigService(self.new_config)
self.assertIdentical(sch1.parent, None)
self.assertIdentical(sch1.master, None)
@defer.inlineCallbacks
def test_reconfigService_class_name_change(self):
sch1 = self.makeSched(self.ReconfigSched, 'sch1')
self.new_config.schedulers = dict(sch1=sch1)
yield self.sm.reconfigService(self.new_config)
self.assertIdentical(sch1.parent, self.sm)
self.assertIdentical(sch1.master, self.master)
self.assertEqual(sch1.reconfig_count, 1)
sch1_new = self.makeSched(self.ReconfigSched2, 'sch1')
self.new_config.schedulers = dict(sch1=sch1_new)
yield self.sm.reconfigService(self.new_config)
# sch1 had its class name change, so sch1_new is now the active
# instance
self.assertIdentical(sch1_new.parent, self.sm)
self.assertIdentical(sch1_new.master, self.master)
@defer.inlineCallbacks
def test_reconfigService_add_and_change_and_remove_no_reconfig(self):
sch1 = self.makeSched(self.Sched, 'sch1', attr='alpha')
self.new_config.schedulers = dict(sch1=sch1)
yield self.sm.reconfigService(self.new_config)
self.assertIdentical(sch1.parent, self.sm)
self.assertIdentical(sch1.master, self.master)
sch1_new = self.makeSched(self.Sched, 'sch1', attr='beta')
sch2 = self.makeSched(self.Sched, 'sch2', attr='alpha')
self.new_config.schedulers = dict(sch1=sch1_new, sch2=sch2)
yield self.sm.reconfigService(self.new_config)
# sch1 is not longer active, and sch1_new is
self.assertIdentical(sch1.parent, None)
self.assertIdentical(sch1.master, None)
self.assertIdentical(sch1_new.parent, self.sm)
self.assertIdentical(sch1_new.master, self.master)
self.assertIdentical(sch2.parent, self.sm)
self.assertIdentical(sch2.master, self.master)
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