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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
from twisted.trial import unittest
from twisted.internet import task, defer
from buildbot.schedulers import timed
from buildbot import config
class Periodic(unittest.TestCase):
def makeScheduler(self, firstBuildDuration=0, exp_branch=None, **kwargs):
self.sched = sched = timed.Periodic(**kwargs)
# add a Clock to help checking timing issues
self.clock = sched._reactor = task.Clock()
# keep track of builds in self.events
self.events = []
def addBuildsetForLatest(reason=None, branch=None):
self.assertIn('Periodic scheduler named', reason)
self.assertEqual(branch, exp_branch)
isFirst = (self.events == [])
self.events.append('B@%d' % self.clock.seconds())
if isFirst and firstBuildDuration:
d = defer.Deferred()
self.clock.callLater(firstBuildDuration, d.callback, None)
return d
else:
return defer.succeed(None)
sched.addBuildsetForLatest = addBuildsetForLatest
# handle state locally
self.state = {}
def getState(k, default):
return defer.succeed(self.state.get(k, default))
sched.getState = getState
def setState(k, v):
self.state[k] = v
return defer.succeed(None)
sched.setState = setState
return sched
# tests
def test_constructor_invalid(self):
self.assertRaises(config.ConfigErrors,
lambda : timed.Periodic(name='test', builderNames=[ 'test' ],
periodicBuildTimer=-2))
def test_iterations_simple(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13)
sched.startService()
self.clock.advance(0) # let it trigger the first build
while self.clock.seconds() < 30:
self.clock.advance(1)
self.assertEqual(self.events, [ 'B@0', 'B@13', 'B@26' ])
self.assertEqual(self.state.get('last_build'), 26)
d = sched.stopService()
return d
def test_iterations_simple_branch(self):
sched = self.makeScheduler(exp_branch='newfeature',
name='test', builderNames=[ 'test' ],
periodicBuildTimer=13, branch='newfeature')
sched.startService()
self.clock.advance(0) # let it trigger the first build
while self.clock.seconds() < 30:
self.clock.advance(1)
self.assertEqual(self.events, [ 'B@0', 'B@13', 'B@26' ])
self.assertEqual(self.state.get('last_build'), 26)
d = sched.stopService()
return d
def test_iterations_long(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=10,
firstBuildDuration=15) # takes a while to start a build
sched.startService()
self.clock.advance(0) # let it trigger the first (longer) build
while self.clock.seconds() < 40:
self.clock.advance(1)
self.assertEqual(self.events, [ 'B@0', 'B@15', 'B@25', 'B@35' ])
self.assertEqual(self.state.get('last_build'), 35)
d = sched.stopService()
return d
def test_iterations_stop_while_starting_build(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13,
firstBuildDuration=6) # takes a while to start a build
sched.startService()
self.clock.advance(0) # let it trigger the first (longer) build
self.clock.advance(3) # get partway into that build
d = sched.stopService() # begin stopping the service
d.addCallback(lambda _ : self.events.append('STOP@%d' % self.clock.seconds()))
# run the clock out
while self.clock.seconds() < 40:
self.clock.advance(1)
# note that the stopService completes after the first build completes, and no
# subsequent builds occur
self.assertEqual(self.events, [ 'B@0', 'STOP@6' ])
self.assertEqual(self.state.get('last_build'), 0)
return d
def test_iterations_with_initial_state(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13)
self.state['last_build'] = self.clock.seconds() - 7 # so next build should start in 6s
sched.startService()
self.clock.advance(0) # let it trigger the first build
while self.clock.seconds() < 30:
self.clock.advance(1)
self.assertEqual(self.events, [ 'B@6', 'B@19' ])
self.assertEqual(self.state.get('last_build'), 19)
d = sched.stopService()
return d
def test_getNextBuildTime_None(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13)
# given None, build right away
d = sched.getNextBuildTime(None)
d.addCallback(lambda t : self.assertEqual(t, 0))
return d
def test_getNextBuildTime_given(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13)
# given a time, add the periodicBuildTimer to it
d = sched.getNextBuildTime(20)
d.addCallback(lambda t : self.assertEqual(t, 33))
return d
def test_getPendingBuildTimes(self):
sched = self.makeScheduler(name='test', builderNames=[ 'test' ],
periodicBuildTimer=13)
self.state['last_build'] = self.clock.seconds() - 10 # so next build should start in 3s
sched.startService()
self.clock.advance(0) # let it schedule the first build
self.assertEqual(sched.getPendingBuildTimes(), [ 3.0 ])
d = sched.stopService()
return d
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