class TestCompTestFlow(CompTestTestCase):
slow = True
def setUp(self):
self.duration = 2.0
prod_pp = ('videotestsrc is-live=true ! '
'video/x-raw-rgb,framerate=(fraction)8/1,'
'width=32,height=24')
self.prod = pipeline_src(prod_pp)
self.cnv1 = pipeline_cnv()
self.cnv2 = pipeline_cnv()
self.p = ComponentTestHelper()
def tearDown(self):
d = self.p.stop_flow()
# add cleanup, otherwise components a.t.m. don't cleanup after
# themselves too well, remove when fixed
d.addBoth(lambda _: comptest.cleanup_reactor())
return d
def testSetupFailGstLinking(self):
p2 = pipeline_src('fakesink') # this just can't work!
c2 = pipeline_cnv('fakesink') # and neither can this!
# we're going to fail in gst - make sure the gst logger is silent
import gst
old_debug_level = gst.debug_get_default_threshold()
gst.debug_set_default_threshold(gst.LEVEL_NONE)
self.p.set_flow([p2, c2, self.cnv1])
d = self.p.start_flow()
if old_debug_level != gst.LEVEL_NONE:
def _restore_gst_debug_level(rf):
gst.debug_set_default_threshold(old_debug_level)
return rf
d.addBoth(_restore_gst_debug_level)
# Because component setup errors get swallowed in
# BaseComponent.setup() we won't get the exact error that will
# be thrown, i.e. PipelineParseError. Instead, the component
# will turn sad and we will get a ComponentSad failure from
# the ComponentWrapper.
return self.failUnlessFailure(d, ComponentSad)
def testSetupStartedAndHappy(self):
flow = [self.prod, self.cnv1, self.cnv2]
self.p.set_flow(flow)
d = self.p.start_flow()
def wait_for_happy(_):
self.debug('Waiting for happiness')
d = defer.DeferredList(
[c.wait_for_mood(moods.happy) for c in flow])
d.addCallback(check_happy)
return d
def check_happy(_):
self.debug('Checking for happiness')
for c in flow:
self.assertEquals(moods.get(c.comp.getMood()), moods.happy)
return _
d.addCallback(wait_for_happy)
return d
def testRunFailGstLinking(self):
p2 = pipeline_src('fakesink') # this just can't work!
c2 = pipeline_cnv('fakesink') # and neither can this!
# we're going to fail in gst - make sure the gst logger is silent
import gst
old_debug_level = gst.debug_get_default_threshold()
gst.debug_set_default_threshold(gst.LEVEL_NONE)
self.p.set_flow([p2, c2, self.cnv1])
d = self.p.run_flow(self.duration)
if old_debug_level != gst.LEVEL_NONE:
def _restore_gst_debug_level(rf):
gst.debug_set_default_threshold(old_debug_level)
return rf
d.addBoth(_restore_gst_debug_level)
# See the comment in test_setup_fail_gst_linking()
return self.failUnlessFailure(d, ComponentSad)
def testRunStartTimeout(self):
start_delay_time = 5.0
self.p.guard_timeout = 2.0
class LingeringCompWrapper(ComponentWrapper):
def instantiate(self, *a, **kw):
d = ComponentWrapper.instantiate(self, *a, **kw)
def delay_start(result):
dd = defer.Deferred()
reactor.callLater(start_delay_time, dd.callback, result)
return dd
d.addCallback(delay_start)
return d
c2 = LingeringCompWrapper('pipeline-converter', Converter,
props={'pipeline': 'identity'})
self.p.set_flow([self.prod, c2])
d = self.p.run_flow(self.duration)
return self.failUnlessFailure(d, comptest.StartTimeout)
def testRunWithDelays(self):
flow = [self.prod, self.cnv1, self.cnv2]
self.p.start_delay = 0.5
self.p.set_flow(flow)
return self.p.run_flow(self.duration)
def testRunProvidesClocking(self):
p2_pp = ('videotestsrc is-live=true ! '
'video/x-raw-rgb,framerate=(fraction)8/1,'
'width=32,height=24')
p2 = pipeline_src(p2_pp)
from flumotion.component.muxers.multipart import Multipart
mux = ComponentWrapper('multipart-muxer', Multipart, name='mux')
self.prod.feed(mux)
p2.feed(mux)
mux.feed(self.cnv1)
self.clock_slave = p2
def check_clocking(_):
self.warning('check_clocking: %s %r' %
(self.clock_slave.name,
self.clock_slave.comp.pipeline.get_clock()))
import gst
pp = self.clock_slave.comp.pipeline
# is there a better way to check if that component is
# using an external clock source?
self.failUnless(isinstance(pp.get_clock(), gst.NetClientClock),
"Didn't receive external clocking info.")
return _
task_d = defer.Deferred()
task_d.addCallback(check_clocking)
self.p.set_flow([self.prod, p2, mux, self.cnv1], auto_link=False)
if self.prod is not self.p._master:
# p2 (of [self.prod, p2]) seems to be the master this time
self.clock_slave = self.prod
d = self.p.run_flow(self.duration, tasks=[task_d])
return d
def testRunTasksChainedAndFired(self):
self.tasks_fired = []
self.tasks = []
num_tasks = 5
def tasks_started(result, index):
self.tasks_fired[index] = True
return result
def tasks_check(result):
self.failIfIn(False, self.tasks_fired)
self.failIfIn(False, self.tasks_fired)
return result
for i in range(num_tasks):
self.tasks_fired.append(False)
d = defer.Deferred()
self.tasks.append(d)
d.addCallback(tasks_started, i)
self.p.set_flow([self.prod, self.cnv1, self.cnv2])
d = self.p.run_flow(self.duration, tasks=self.tasks)
d.addCallback(tasks_check)
return d
def testRunTasksTimeout(self):
self.p.set_flow([self.prod, self.cnv1, self.cnv2])
self.p.guard_timeout = 4.0
def make_eternal_deferred(_):
# never going to fire this one...
eternal_d = defer.Deferred()
return eternal_d
task_d = defer.Deferred()
task_d.addCallback(make_eternal_deferred)
d = self.p.run_flow(self.duration, tasks=[task_d])
return self.failUnlessFailure(d, comptest.FlowTimeout)
def testRunStopTimeout(self):
stop_delay_time = 6.0
self.p.guard_timeout = 4.0
class DelayingCompWrapper(ComponentWrapper):
do_delay = True
def stop(self, *a, **kw):
d = ComponentWrapper.stop(self, *a, **kw)
def delay_stop(result):
if self.do_delay:
self.do_delay = False
dd = defer.Deferred()
reactor.callLater(stop_delay_time, dd.callback, result)
return dd
return result
d.addCallback(delay_stop)
return d
c2 = DelayingCompWrapper('pipeline-converter', Converter,
props={'pipeline': 'identity'})
self.p.set_flow([self.prod, c2])
d = self.p.run_flow(self.duration)
return self.failUnlessFailure(d, comptest.StopTimeout)
def testRunStartedThenFails(self):
self.p.set_flow([self.prod, self.cnv1, self.cnv2])
wrench_timeout = 0.5
class CustomWrenchException(Exception):
pass
def insert_wrenches_into_cogs(_):
def insert_wrench(c):
raise CustomWrenchException("Wasn't that loose?")
d = defer.Deferred()
d.addCallback(insert_wrench)
reactor.callLater(wrench_timeout, d.callback, self.cnv1)
return d
task_d = defer.Deferred()
task_d.addCallback(insert_wrenches_into_cogs)
d = self.p.run_flow(self.duration, tasks=[task_d])
return self.failUnlessFailure(d, CustomWrenchException)
def testRunStartedThenFlowAndStopFail(self):
flow_error_timeout = 0.5
class CustomFlowException(Exception):
pass
class CustomStopException(Exception):
pass
class BrokenCompWrapper(ComponentWrapper):
do_break = True
def stop(self, *a, **kw):
d = ComponentWrapper.stop(self, *a, **kw)
def delay_stop(result):
# breaking once should be enough
if self.do_break:
self.do_break = False
raise CustomStopException()
d.addCallback(delay_stop)
return d
c2 = BrokenCompWrapper('pipeline-converter', Converter,
props={'pipeline': 'identity'})
self.p.set_flow([self.prod, c2])
class CustomFlowException(Exception):
pass
def insert_flow_errors(_):
def insert_error(_ignore):
raise CustomFlowException("Exception!")
d = defer.Deferred()
d.addCallback(insert_error)
reactor.callLater(flow_error_timeout, d.callback, None)
return d
task_d = defer.Deferred()
task_d.addCallback(insert_flow_errors)
d = self.p.run_flow(self.duration, tasks=[task_d])
return self.failUnlessFailure(d, CustomFlowException)
