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import asyncio
import unittest
from asyncio import Future
import reactivex
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 TestStart(unittest.TestCase):
def test_start_async(self):
loop = asyncio.get_event_loop()
success = [False]
async def go():
def func():
future = Future()
future.set_result(42)
return future
source = reactivex.start_async(func)
def on_next(x):
success[0] = 42 == x
source.subscribe(on_next)
loop.run_until_complete(go())
assert all(success)
def test_start_async_error(self):
loop = asyncio.get_event_loop()
success = [False]
async def go():
def func():
future = Future()
future.set_exception(Exception(str(42)))
return future
source = reactivex.start_async(func)
def on_error(ex):
success[0] = str(42) == str(ex)
source.subscribe(on_error=on_error)
loop.run_until_complete(go())
assert all(success)
def test_start_action2(self):
scheduler = TestScheduler()
done = [False]
def create():
def func():
done[0] = True
return reactivex.start(func, scheduler)
res = scheduler.start(create)
assert res.messages == [on_next(200, None), on_completed(200)]
assert done
def test_start_func2(self):
scheduler = TestScheduler()
def create():
def func():
return 1
return reactivex.start(func, scheduler)
res = scheduler.start(create)
assert res.messages == [on_next(200, 1), on_completed(200)]
def test_start_funcerror(self):
ex = Exception()
scheduler = TestScheduler()
def create():
def func():
raise ex
return reactivex.start(func, scheduler)
res = scheduler.start(create)
assert res.messages == [on_error(200, ex)]
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