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import unittest
import pytest
import reactivex
from reactivex import operators as ops
from reactivex.internal.exceptions import SequenceContainsNoElementsError
from reactivex.testing import ReactiveTest
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 RxException(Exception):
pass
# Helper function for raising exceptions within lambdas
def _raise(ex):
raise RxException(ex)
class TestBlocking(unittest.TestCase):
def test_run_empty(self):
with pytest.raises(SequenceContainsNoElementsError):
reactivex.empty().run()
def test_run_error(self):
with pytest.raises(RxException):
reactivex.throw(RxException()).run()
def test_run_just(self):
result = reactivex.just(42).run()
assert result == 42
def test_run_range(self):
result = reactivex.range(42).run()
assert result == 41
def test_run_range_to_iterable(self):
result = reactivex.range(42).pipe(ops.to_iterable()).run()
assert list(result) == list(range(42))
def test_run_from(self):
result = reactivex.from_([1, 2, 3]).run()
assert result == 3
def test_run_from_first(self):
result = reactivex.from_([1, 2, 3]).pipe(ops.first()).run()
assert result == 1
def test_run_of(self):
result = reactivex.of(1, 2, 3).run()
assert result == 3
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