def test_timing_02(capsys):
'''stopping in state STARTED after action'''
ts = Timespan()
t = Task(print_it, args=(ts, 'started')) + Task(
print_it,
args=(ts, 'hello'),
action_stop=print_it,
args_stop=(ts, 'stopped'),
action_cont=print_it,
args_cont=(ts, 'continued'),
duration=.2) + Task(print_it, args=(ts, 'finished'))
t.start(.1)
sleep(.2)
assert t.state == STATE_STARTED
assert t.activity == ACTIVITY_SLEEP
t.stop().join()
assert t.state == STATE_STOPPED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == '0.1:started 0.1:hello 0.2:stopped '
sleep(.1)
t.cont().join()
assert t.state == STATE_FINISHED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == '0.3:continued 0.4:finished '
def test_standard(capsys):
ts = Timespan()
acc = Accelerate(ts, 0.3)
t = Task(print_it, args=(ts, 'started')) + Repeated(
acc.step,
action_stop=print_it,
args_stop=(ts, 'stopped'),
action_cont=print_it,
args_cont=(ts, 'continued')) + Task(print_it, args=(ts, 'finished'))
t.start()
sleep(.4)
assert t.state == STATE_STARTED
assert t.activity == ACTIVITY_SLEEP
t.stop().join()
assert t.state == STATE_STOPPED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.0:started 0.0:hi 0.3:hi 0.4:stopped '
t.cont(.1).join()
assert t.state == STATE_FINISHED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.out == \
'0.5:continued 0.6:hi 0.7:hi 0.7:hi ' + \
'0.7:finished '
def test_action_start(capsys):
# without delay
t = Task(
print,
args=('started', ),
kwargs={'end': ' '},
) + Task(print,
args=('hello, world!', ),
kwargs={'end': ''},
action_stop=print,
args_stop=(' stopped', ),
kwargs_stop={'end': ''})
t.start()
t.join()
assert t.state == STATE_FINISHED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == 'started hello, world!'
# with delay
t.start(.1)
sleep(.05)
assert t.state == STATE_TO_START
t.stop().join()
assert t.state == STATE_STOPPED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == ''
t.cont().join()
captured = capsys.readouterr()
assert t.state == STATE_FINISHED
assert captured.err == ''
assert captured.out == 'started hello, world!'
def test_repeated(capsys):
ts = Timespan()
t = Task(
print_it,
args=(ts, 'parent_started')
) + Repeated(
Task(
print_it,
args=(ts, 'child_started'),
) + Task(
print_it,
duration=.2,
args=(ts, 'child'),
action_stop=print_it,
args_stop=(ts, 'child_stopped'),
action_cont=print_it,
args_cont=(ts, 'child_continued')
) + Task(
print_it,
args=(ts, 'child_finished')
),
num=2,
action_stop=print_it,
args_stop=(ts, 'parent_stopped'),
action_cont=print_it,
args_cont=(ts, 'parent_continued')
) + Task(
print_it,
args=(ts, 'parent_finished')
)
t.start()
sleep(.3)
assert t.state == STATE_STARTED
assert t.activity == ACTIVITY_BUSY
t.stop().join()
assert t.state == STATE_STOPPED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.0:parent_started 0.0:child_started 0.0:child ' + \
'0.2:child_finished 0.2:child_started 0.2:child ' + \
'0.3:child_stopped '
sleep(.1)
t.cont(thread=False)
assert t.state == STATE_FINISHED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.4:child_continued ' + \
'0.5:child_finished 0.5:parent_finished '
def test_join_03(capsys):
'''stop child from outside --> no continuous joining'''
ts = Timespan()
t_child = Task(print_it, args=(ts, 'child'), duration=.2)
t_parent = concat(
Task(
print_it,
args=(ts, 'parent-root-link'),
duration=.1
),
Task(t_child.start),
Task(t_child.join),
Task(print_it, args=(ts, 'parent-link-4'), duration=.1),
Task(print_it, args=(ts, 'parent-finished'))
).start()
sleep(.2)
assert t_parent.state == STATE_STARTED
assert t_parent.activity == ACTIVITY_JOIN
assert t_child.state == STATE_STARTED
assert t_child.activity == ACTIVITY_SLEEP
t_child.stop().join()
assert t_parent.state == STATE_STARTED
assert t_parent.activity == ACTIVITY_SLEEP
assert t_child.state == STATE_STOPPED
assert t_child.activity == ACTIVITY_NONE
assert len(t_parent.children) == 0
assert t_child.parent is None
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == '0.0:parent-root-link 0.1:child 0.2:parent-link-4 '
t_parent.stop().join()
assert t_parent.state == STATE_STOPPED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == ''
sleep(.2)
t_parent.cont().join()
assert t_parent.state == STATE_FINISHED
assert t_child.state == STATE_STOPPED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == '0.5:parent-finished '
def test_action_stop(capsys):
t = Task(print,
args=('hello, world!', ),
kwargs={'end': ''},
duration=.1,
action_stop=print,
args_stop=(' stopped', ),
kwargs_stop={'end': ''}) + Task(
print, args=(' finished', ), kwargs={'end': ''})
t.start()
sleep(.05)
t.stop()
t.join()
captured = capsys.readouterr()
assert t.state == STATE_STOPPED
assert captured.err == ''
assert captured.out == 'hello, world! stopped'
def test_links_threadless_stop():
'''stop threadless child from outside'''
t_child = Task(do_nothing, duration=.1)
t_parent = concat(
Task(do_nothing, duration=.1),
Task(t_child),
Task(do_nothing, duration=.1)
).start()
sleep(.15)
t_child.stop()
sleep(.01)
assert t_parent.state == STATE_STARTED
assert t_child.state == STATE_STOPPED
assert len(t_parent.children) == 0
assert t_child.parent is None
t_parent.stop().join()
assert t_parent.state == STATE_STOPPED
def test_timing_01(capsys):
'''stopping in state TO_START (in delay, before started)'''
ts = Timespan()
t = Task(print_it, args=(ts, 'started')) + Task(
print_it, args=(ts, 'hello'), duration=.1) + Task(
print_it, args=(ts, 'finished'))
t.start(.2)
sleep(.1)
assert t.state == STATE_TO_START
t.stop().join()
assert t.state == STATE_STOPPED
sleep(.1)
t.cont().join()
assert t.state == STATE_FINISHED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == '0.3:started 0.3:hello 0.4:finished '
def test_periodic(capsys):
ts = Timespan()
t = Task(
print_it,
args=(ts, 'parent_started')
) + Periodic(
.1,
(
Task(
print_it,
args=(ts, 'child_started')
) + Task(
print_it,
args=(ts, 'child'),
action_stop=print_it,
args_stop=(ts, 'child_stopped'),
action_cont=print_it,
args_cont=(ts, 'child_continued')
) + Task(
print_it,
args=(ts, 'child_finished')
)
).start,
args=(.2,),
kwargs={'thread': False},
num=3,
action_stop=print_it,
args_stop=(ts, 'parent_stopped'),
action_cont=print_it,
args_cont=(ts, 'parent_continued')
) + Task(
print_it,
args=(ts, 'parent_finished')
)
t.start()
sleep(.25)
assert t.state == STATE_STARTED
assert t.activity == ACTIVITY_BUSY
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.0:parent_started 0.2:child_started 0.2:child ' + \
'0.2:child_finished '
sleep(.05)
t.stop().join()
assert t.state == STATE_STOPPED
assert t.activity == ACTIVITY_NONE
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.3:parent_stopped '
sleep(.1)
t.cont(thread=False)
assert t.state == STATE_FINISHED
captured = capsys.readouterr()
assert captured.err == ''
assert captured.out == \
'0.4:parent_continued ' + \
'0.5:child_started 0.5:child 0.5:child_finished ' + \
'0.7:child_started 0.7:child 0.7:child_finished ' + \
'0.7:parent_finished '