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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 TestAsObservable(unittest.TestCase):
def test_as_observable_hides(self):
some_observable = reactivex.empty()
assert some_observable.pipe(ops.as_observable()) != some_observable
def test_as_observable_never(self):
scheduler = TestScheduler()
def create():
return reactivex.never().pipe(ops.as_observable())
results = scheduler.start(create)
assert results.messages == []
def test_as_observable_empty(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_completed(250))
def create():
return xs.pipe(ops.as_observable())
results = scheduler.start(create).messages
self.assertEqual(1, len(results))
assert results[0].value.kind == "C" and results[0].time == 250
def test_as_observable_on_error(self):
ex = "ex"
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_error(250, ex))
def create():
return xs.pipe(ops.as_observable())
results = scheduler.start(create).messages
self.assertEqual(1, len(results))
assert (
results[0].value.kind == "E"
and str(results[0].value.exception) == ex
and results[0].time == 250
)
def test_as_observable_Return(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1), on_next(220, 2), on_completed(250)
)
def create():
return xs.pipe(ops.as_observable())
results = scheduler.start(create).messages
self.assertEqual(2, len(results))
assert (
results[0].value.kind == "N"
and results[0].value.value == 2
and results[0].time == 220
)
assert results[1].value.kind == "C" and results[1].time == 250
def test_as_observable_isnoteager(self):
scheduler = TestScheduler()
subscribed = [False]
def subscribe(obs, scheduler=None):
subscribed[0] = True
disp = scheduler.create_hot_observable(
on_next(150, 1), on_next(220, 2), on_completed(250)
).subscribe(obs)
def func():
return disp.dispose()
return func
xs = reactivex.create(subscribe)
xs.pipe(ops.as_observable())
assert not subscribed[0]
def create():
return xs.pipe(ops.as_observable())
scheduler.start(create)
assert subscribed[0]
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