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import unittest
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 TestDelayWithMapper(unittest.TestCase):
# Delay with mapper
def test_delay_duration_simple1(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1),
on_next(210, 10),
on_next(220, 30),
on_next(230, 50),
on_next(240, 35),
on_next(250, 20),
on_completed(260),
)
def create():
def mapper(x):
return scheduler.create_cold_observable(on_next(x, "!"))
return xs.pipe(ops.delay_with_mapper(mapper))
results = scheduler.start(create)
assert results.messages == [
on_next(210 + 10, 10),
on_next(220 + 30, 30),
on_next(250 + 20, 20),
on_next(240 + 35, 35),
on_next(230 + 50, 50),
on_completed(280),
]
assert xs.subscriptions == [subscribe(200, 260)]
def test_delay_duration_simple2(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_next(250, 6),
on_completed(300),
)
ys = scheduler.create_cold_observable(on_next(10, "!"))
def create():
return xs.pipe(ops.delay_with_mapper(lambda _: ys))
results = scheduler.start(create)
assert results.messages == [
on_next(210 + 10, 2),
on_next(220 + 10, 3),
on_next(230 + 10, 4),
on_next(240 + 10, 5),
on_next(250 + 10, 6),
on_completed(300),
]
assert xs.subscriptions == [subscribe(200, 300)]
assert ys.subscriptions == [
subscribe(210, 220),
subscribe(220, 230),
subscribe(230, 240),
subscribe(240, 250),
subscribe(250, 260),
]
def test_delay_duration_simple3(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_next(250, 6),
on_completed(300),
)
ys = scheduler.create_cold_observable(on_next(100, "!"))
def create():
return xs.pipe(ops.delay_with_mapper(lambda _: ys))
results = scheduler.start(create)
assert results.messages == [
on_next(210 + 100, 2),
on_next(220 + 100, 3),
on_next(230 + 100, 4),
on_next(240 + 100, 5),
on_next(250 + 100, 6),
on_completed(350),
]
assert xs.subscriptions == [subscribe(200, 300)]
assert ys.subscriptions == [
subscribe(210, 310),
subscribe(220, 320),
subscribe(230, 330),
subscribe(240, 340),
subscribe(250, 350),
]
def test_delay_duration_simple4_inner_empty(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_next(250, 6),
on_completed(300),
)
ys = scheduler.create_cold_observable(on_completed(100))
def create():
return xs.pipe(ops.delay_with_mapper(lambda _: ys))
results = scheduler.start(create)
assert results.messages == [
on_next(210 + 100, 2),
on_next(220 + 100, 3),
on_next(230 + 100, 4),
on_next(240 + 100, 5),
on_next(250 + 100, 6),
on_completed(350),
]
assert xs.subscriptions == [subscribe(200, 300)]
assert ys.subscriptions == [
subscribe(210, 310),
subscribe(220, 320),
subscribe(230, 330),
subscribe(240, 340),
subscribe(250, 350),
]
def test_delay_duration_dispose1(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1),
on_next(210, 2),
on_next(220, 3),
on_next(230, 4),
on_next(240, 5),
on_next(250, 6),
on_completed(300),
)
ys = scheduler.create_cold_observable(on_next(200, "!"))
def create():
return xs.pipe(ops.delay_with_mapper(lambda _: ys))
results = scheduler.start(create, disposed=425)
assert results.messages == [on_next(210 + 200, 2), on_next(220 + 200, 3)]
assert xs.subscriptions == [subscribe(200, 300)]
assert ys.subscriptions == [
subscribe(210, 410),
subscribe(220, 420),
subscribe(230, 425),
subscribe(240, 425),
subscribe(250, 425),
]
def test_delay_duration_dispose2(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1), on_next(210, 2), on_next(400, 3), on_completed(500)
)
ys = scheduler.create_cold_observable(on_next(50, "!"))
def create():
return xs.pipe(ops.delay_with_mapper(lambda _: ys))
results = scheduler.start(create, disposed=300)
assert results.messages == [on_next(210 + 50, 2)]
assert xs.subscriptions == [subscribe(200, 300)]
assert ys.subscriptions == [subscribe(210, 260)]
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