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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 TestSome(unittest.TestCase):
def test_some_empty(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_completed(250)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some())
res = scheduler.start(create=create).messages
assert res == [on_next(250, False), on_completed(250)]
def test_some_return(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_next(210, 2), on_completed(250)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some())
res = scheduler.start(create=create).messages
assert res == [on_next(210, True), on_completed(210)]
def test_some_on_error(self):
ex = "ex"
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_error(210, ex)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some())
res = scheduler.start(create=create).messages
assert res == [on_error(210, ex)]
def test_some_never(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some())
res = scheduler.start(create=create).messages
assert res == []
def test_some_predicate_empty(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_completed(250)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_next(250, False), on_completed(250)]
def test_some_predicate_return(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_next(210, 2), on_completed(250)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_next(210, True), on_completed(210)]
def test_some_predicate_return_not_match(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_next(210, -2), on_completed(250)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_next(250, False), on_completed(250)]
def test_some_predicate_some_none_match(self):
scheduler = TestScheduler()
msgs = [
on_next(150, 1),
on_next(210, -2),
on_next(220, -3),
on_next(230, -4),
on_completed(250),
]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_next(250, False), on_completed(250)]
def test_some_predicate_some_match(self):
scheduler = TestScheduler()
msgs = [
on_next(150, 1),
on_next(210, -2),
on_next(220, 3),
on_next(230, -4),
on_completed(250),
]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_next(220, True), on_completed(220)]
def test_some_predicate_on_error(self):
ex = "ex"
scheduler = TestScheduler()
msgs = [on_next(150, 1), on_error(210, ex)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == [on_error(210, ex)]
def test_some_predicate_never(self):
scheduler = TestScheduler()
msgs = [on_next(150, 1)]
xs = scheduler.create_hot_observable(msgs)
def create():
return xs.pipe(ops.some(lambda x: x > 0))
res = scheduler.start(create=create).messages
assert res == []
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