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import unittest
import reactivex
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 TestRepeat(unittest.TestCase):
def test_repeat_value_count_zero(self):
scheduler = TestScheduler()
def create():
return reactivex.repeat_value(42, 0)
results = scheduler.start(create)
assert results.messages == [on_completed(200)]
def test_repeat_value_count_one(self):
scheduler = TestScheduler()
def create():
return reactivex.repeat_value(42, 1)
results = scheduler.start(create)
assert results.messages == [on_next(200, 42), on_completed(200)]
def test_repeat_value_count_ten(self):
scheduler = TestScheduler()
def create():
return reactivex.repeat_value(42, 10)
results = scheduler.start(create)
assert results.messages == [
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_completed(200),
]
def test_repeat_value_count_dispose(self):
scheduler = TestScheduler()
def create():
return reactivex.repeat_value(42, 10)
results = scheduler.start(create, disposed=200)
assert results.messages == []
def test_repeat_value(self):
scheduler = TestScheduler()
def create():
return reactivex.repeat_value(42, -1)
results = scheduler.start(create, disposed=201)
assert results.messages[:6] == [
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
on_next(200, 42),
]
def test_repeat_observable_basic(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(200, 3), on_next(150, 2), on_completed(250)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat()))
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_next(550, 1),
on_next(600, 2),
on_next(650, 3),
on_next(800, 1),
on_next(850, 2),
on_next(900, 3),
]
assert xs.subscriptions == [
subscribe(200, 450),
subscribe(450, 700),
subscribe(700, 950),
subscribe(950, 1000),
]
def test_repeat_observable_infinite(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat()))
assert results.messages == [on_next(300, 1), on_next(350, 2), on_next(400, 3)]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_repeat_observable_error(self):
results = None
scheduler = TestScheduler()
ex = "ex"
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3), on_error(250, ex)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat()))
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_error(450, ex),
]
assert xs.subscriptions == [subscribe(200, 450)]
def test_repeat_observable_throws(self):
scheduler1 = TestScheduler()
xs = reactivex.return_value(11).pipe(ops.repeat())
xs.subscribe(lambda x: _raise("ex"), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = reactivex.throw("ex").pipe(ops.repeat())
ys.subscribe(lambda ex: _raise("ex"), scheduler=scheduler2)
with self.assertRaises(Exception):
scheduler2.start()
scheduler3 = TestScheduler()
zs = reactivex.return_value(1).pipe(ops.repeat())
d = zs.subscribe(on_completed=lambda: _raise("ex"), scheduler=scheduler3)
scheduler3.schedule_absolute(210, lambda sc, st: d.dispose())
scheduler3.start()
# scheduler4 = TestScheduler()
# xss = Observable.create(lambda o: _raise('ex')).repeat()
# with self.assertRaises(RxException):
# xss.subscribe(scheduler=scheduler4)
def test_repeat_observable_repeat_count_basic(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(5, 1), on_next(10, 2), on_next(15, 3), on_completed(20)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat(3)))
assert results.messages == [
on_next(205, 1),
on_next(210, 2),
on_next(215, 3),
on_next(225, 1),
on_next(230, 2),
on_next(235, 3),
on_next(245, 1),
on_next(250, 2),
on_next(255, 3),
on_completed(260),
]
assert xs.subscriptions == [
subscribe(200, 220),
subscribe(220, 240),
subscribe(240, 260),
]
def test_repeat_observable_repeat_count_dispose(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(5, 1), on_next(10, 2), on_next(15, 3), on_completed(20)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat(3)), disposed=231)
assert results.messages == [
on_next(205, 1),
on_next(210, 2),
on_next(215, 3),
on_next(225, 1),
on_next(230, 2),
]
assert xs.subscriptions == [subscribe(200, 220), subscribe(220, 231)]
def test_repeat_observable_repeat_count_infinite(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat(3)))
assert results.messages == [on_next(300, 1), on_next(350, 2), on_next(400, 3)]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_repeat_observable_repeat_count_error(self):
ex = "ex"
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3), on_error(250, ex)
)
results = scheduler.start(lambda: xs.pipe(ops.repeat(3)))
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_error(450, ex),
]
assert xs.subscriptions == [subscribe(200, 450)]
def test_repeat_observable_repeat_count_throws(self):
scheduler1 = TestScheduler()
xs = reactivex.return_value(1).pipe(ops.repeat(3))
xs.subscribe(lambda x: _raise("ex"), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = reactivex.throw("ex1").pipe(ops.repeat(3))
ys.subscribe(on_error=lambda ex: _raise("ex2"), scheduler=scheduler2)
with self.assertRaises(RxException):
scheduler2.start()
# scheduler3 = TestScheduler()
# zs = reactivex.return_value(1).repeat(100)
# d = zs.subscribe(on_completed=lambda: _raise('ex3'), scheduler=scheduler3)
# scheduler3.schedule_absolute(10, lambda sc, st: d.dispose())
# scheduler3.start()
# xss = Observable.create(lambda o: _raise('ex4')).repeat(3)
# with self.assertRaises(RxException):
# xss.subscribe()
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