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import unittest
import reactivex
from reactivex import Observable
from reactivex import operators as ops
from reactivex.testing import ReactiveTest, TestScheduler
on_next = ReactiveTest.on_next
on_completed = ReactiveTest.on_completed
on_error = ReactiveTest.on_error
subscribe = ReactiveTest.subscribe
subscribed = ReactiveTest.subscribed
disposed = ReactiveTest.disposed
created = ReactiveTest.created
class TestSkipUntil(unittest.TestCase):
def test_skip_until_somedata_next(self):
scheduler = TestScheduler()
l_msgs = [
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_completed(250),
]
r_msgs = [on_next(150, 1), on_next(225, 99), on_completed(230)]
l = scheduler.create_hot_observable(l_msgs)
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == [on_next(230, 4), on_next(240, 5), on_completed(250)]
def test_skip_until_somedata_error(self):
scheduler = TestScheduler()
ex = "ex"
l_msgs = [
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_completed(250),
]
r_msgs = [on_next(150, 1), on_error(225, ex)]
l = scheduler.create_hot_observable(l_msgs)
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == [on_error(225, ex)]
def test_skip_until_somedata_empty(self):
scheduler = TestScheduler()
l_msgs = [
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_completed(250),
]
r_msgs = [on_next(150, 1), on_completed(225)]
l = scheduler.create_hot_observable(l_msgs)
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
def test_skip_until_never_next(self):
scheduler = TestScheduler()
r_msgs = [on_next(150, 1), on_next(225, 2), on_completed(250)]
l = reactivex.never()
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
def test_skip_until_never_error(self):
ex = "ex"
scheduler = TestScheduler()
r_msgs = [on_next(150, 1), on_error(225, ex)]
l = reactivex.never()
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == [on_error(225, ex)]
def test_skip_until_somedata_never(self):
scheduler = TestScheduler()
l_msgs = [
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_completed(250),
]
l = scheduler.create_hot_observable(l_msgs)
r = reactivex.never()
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
def test_skip_until_never_empty(self):
scheduler = TestScheduler()
r_msgs = [on_next(150, 1), on_completed(225)]
l = reactivex.never()
r = scheduler.create_hot_observable(r_msgs)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
def test_skip_until_never_never(self):
scheduler = TestScheduler()
l = reactivex.never()
r = reactivex.never()
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
def test_skip_until_has_completed_causes_disposal(self):
scheduler = TestScheduler()
l_msgs = [
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_completed(250),
]
disposed = [False]
l = scheduler.create_hot_observable(l_msgs)
def subscribe(observer, scheduler=None):
disposed[0] = True
r = Observable(subscribe)
def create():
return l.pipe(ops.skip_until(r))
results = scheduler.start(create)
assert results.messages == []
assert disposed[0]
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