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import unittest
import reactivex
from reactivex.observable.observable import Observable
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 TestForIn(unittest.TestCase):
def test_for_basic(self):
scheduler = TestScheduler()
def create():
def mapper(x: int) -> Observable[int]:
return scheduler.create_cold_observable(
on_next(x * 100 + 10, x * 10 + 1),
on_next(x * 100 + 20, x * 10 + 2),
on_next(x * 100 + 30, x * 10 + 3),
on_completed(x * 100 + 40),
)
return reactivex.for_in([1, 2, 3], mapper)
results = scheduler.start(create=create)
assert results.messages == [
on_next(310, 11),
on_next(320, 12),
on_next(330, 13),
on_next(550, 21),
on_next(560, 22),
on_next(570, 23),
on_next(890, 31),
on_next(900, 32),
on_next(910, 33),
on_completed(920),
]
def test_for_throws(self):
ex = "ex"
scheduler = TestScheduler()
def create():
def mapper(x: int):
raise Exception(ex)
return reactivex.for_in([1, 2, 3], mapper)
results = scheduler.start(create=create)
assert results.messages == [on_error(200, ex)]
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