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import unittest
import reactivex
from reactivex import operators as _
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 TestMaterialize(unittest.TestCase):
def test_materialize_never(self):
scheduler = TestScheduler()
def create():
return reactivex.never().pipe(_.materialize())
results = scheduler.start(create)
assert results.messages == []
def test_materialize_empty(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_completed(250))
def create():
return xs.pipe(_.materialize())
results = scheduler.start(create).messages
assert len(results) == 2
assert (
results[0].value.kind == "N"
and results[0].value.value.kind == "C"
and results[0].time == 250
)
assert results[1].value.kind == "C" and results[1].time == 250
def test_materialize_return(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1), on_next(210, 2), on_completed(250)
)
def create():
return xs.pipe(_.materialize())
results = scheduler.start(create).messages
assert len(results) == 3
assert (
results[0].value.kind == "N"
and results[0].value.value.kind == "N"
and results[0].value.value.value == 2
and results[0].time == 210
)
assert (
results[1].value.kind == "N"
and results[1].value.value.kind == "C"
and results[1].time == 250
)
assert results[2].value.kind == "C" and results[1].time == 250
def test_materialize_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(_.materialize())
results = scheduler.start(create).messages
assert len(results) == 2
assert (
results[0].value.kind == "N"
and results[0].value.value.kind == "E"
and str(results[0].value.value.exception) == ex
)
assert results[1].value.kind == "C"
def test_materialize_dematerialize_never(self):
scheduler = TestScheduler()
def create():
return reactivex.never().pipe(_.materialize(), _.dematerialize())
results = scheduler.start(create)
assert results.messages == []
def test_materialize_dematerialize_empty(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_completed(250))
def create():
return xs.pipe(_.materialize(), _.dematerialize())
results = scheduler.start(create).messages
assert len(results) == 1
assert results[0].value.kind == "C" and results[0].time == 250
def test_materialize_dematerialize_return(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1), on_next(210, 2), on_completed(250)
)
def create():
return xs.pipe(_.materialize(), _.dematerialize())
results = scheduler.start(create).messages
assert len(results) == 2
assert (
results[0].value.kind == "N"
and results[0].value.value == 2
and results[0].time == 210
)
assert results[1].value.kind == "C"
def test_materialize_dematerialize_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(_.materialize(), _.dematerialize())
results = scheduler.start(create).messages
assert len(results) == 1
assert (
results[0].value.kind == "E"
and str(results[0].value.exception) == ex
and results[0].time == 250
)
if __name__ == "__main__":
unittest.main()
|
