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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 TestToDict(unittest.TestCase):
def test_to_dict_completed(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(110, 1),
on_next(220, 2),
on_next(330, 3),
on_next(440, 4),
on_next(550, 5),
on_completed(660),
)
def create():
return xs.pipe(ops.to_dict(lambda x: x * 2, lambda x: x * 4))
res = scheduler.start(create)
assert res.messages == [
on_next(660, {4: 8, 6: 12, 8: 16, 10: 20}),
on_completed(660),
]
assert xs.subscriptions == [subscribe(200, 660)]
def test_to_dict_error(self):
scheduler = TestScheduler()
ex = Exception()
xs = scheduler.create_hot_observable(
on_next(110, 1),
on_next(220, 2),
on_next(330, 3),
on_next(440, 4),
on_next(550, 5),
on_error(660, ex),
)
def create():
return xs.pipe(ops.to_dict(lambda x: x * 2, lambda x: x * 4))
res = scheduler.start(create)
assert res.messages == [on_error(660, ex)]
assert xs.subscriptions == [subscribe(200, 660)]
def test_to_dict_keymapperthrows(self):
scheduler = TestScheduler()
ex = Exception()
xs = scheduler.create_hot_observable(
on_next(110, 1),
on_next(220, 2),
on_next(330, 3),
on_next(440, 4),
on_next(550, 5),
on_completed(600),
)
def create():
def key_mapper(x):
if x < 4:
return x * 2
else:
raise ex
return xs.pipe(ops.to_dict(key_mapper, lambda x: x * 4))
res = scheduler.start(create)
assert res.messages == [on_error(440, ex)]
assert xs.subscriptions == [subscribe(200, 440)]
def test_to_dict_elementmapperthrows(self):
scheduler = TestScheduler()
ex = Exception()
xs = scheduler.create_hot_observable(
on_next(110, 1),
on_next(220, 2),
on_next(330, 3),
on_next(440, 4),
on_next(550, 5),
on_completed(600),
)
def value_mapper(x):
if x < 4:
return x * 4
else:
raise ex
def create():
return xs.pipe(ops.to_dict(lambda x: x * 2, value_mapper))
res = scheduler.start(create)
assert res.messages == [on_error(440, ex)]
assert xs.subscriptions == [subscribe(200, 440)]
def test_to_dict_disposed(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(110, 1),
on_next(220, 2),
on_next(330, 3),
on_next(440, 4),
on_next(550, 5),
)
def create():
return xs.pipe(ops.to_dict(lambda x: x * 2, lambda x: x * 4))
res = scheduler.start(create)
assert res.messages == []
assert xs.subscriptions == [subscribe(200, 1000)]
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