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import unittest
from datetime import datetime, timezone
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 RxException(Exception):
pass
# Helper function for raising exceptions within lambdas
def _raise(ex):
raise RxException(ex)
class TestTakeUntilWithTime(unittest.TestCase):
def test_takeuntil_zero(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(210, 1), on_next(220, 2), on_completed(230)
)
def create():
return xs.pipe(
ops.take_until_with_time(datetime.fromtimestamp(0, tz=timezone.utc))
)
res = scheduler.start(create)
assert res.messages == [on_completed(200)]
assert xs.subscriptions == [subscribe(200, 200)]
def test_takeuntil_late(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(210, 1), on_next(220, 2), on_completed(230)
)
def create():
dt = datetime.fromtimestamp(250, tz=timezone.utc)
return xs.pipe(ops.take_until_with_time(dt))
res = scheduler.start(create)
assert res.messages == [on_next(210, 1), on_next(220, 2), on_completed(230)]
assert xs.subscriptions == [subscribe(200, 230)]
def test_takeuntil_error(self):
ex = "ex"
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_error(210, ex))
def create():
dt = datetime.fromtimestamp(250, tz=timezone.utc)
return xs.pipe(ops.take_until_with_time(dt))
res = scheduler.start(create)
assert res.messages == [on_error(210, ex)]
assert xs.subscriptions == [subscribe(200, 210)]
def test_takeuntil_never(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable()
def create():
dt = datetime.fromtimestamp(250, tz=timezone.utc)
return xs.pipe(ops.take_until_with_time(dt))
res = scheduler.start(create)
assert res.messages == [on_completed(250)]
assert xs.subscriptions == [subscribe(200, 250)]
def test_takeuntil_twice1(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(210, 1),
on_next(220, 2),
on_next(230, 3),
on_next(240, 4),
on_next(250, 5),
on_next(260, 6),
on_completed(270),
)
def create():
dt235 = datetime.fromtimestamp(235, tz=timezone.utc)
dt255 = datetime.fromtimestamp(255, tz=timezone.utc)
return xs.pipe(
ops.take_until_with_time(dt255),
ops.take_until_with_time(dt235),
)
res = scheduler.start(create)
assert res.messages == [
on_next(210, 1),
on_next(220, 2),
on_next(230, 3),
on_completed(235),
]
assert xs.subscriptions == [subscribe(200, 235)]
def test_takeuntil_twice2(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(210, 1),
on_next(220, 2),
on_next(230, 3),
on_next(240, 4),
on_next(250, 5),
on_next(260, 6),
on_completed(270),
)
def create():
dt235 = datetime.fromtimestamp(235, tz=timezone.utc)
dt255 = datetime.fromtimestamp(255, tz=timezone.utc)
return xs.pipe(
ops.take_until_with_time(dt235),
ops.take_until_with_time(dt255),
)
res = scheduler.start(create)
assert res.messages == [
on_next(210, 1),
on_next(220, 2),
on_next(230, 3),
on_completed(235),
]
assert xs.subscriptions == [subscribe(200, 235)]
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