def test_stack_safety(self):
with recursion_limit(100):
effect.sequence_async([effect.success(v)
for v in range(500)]).run(None)
e = effect.error('')
for _ in range(500):
e = e.recover(lambda _: effect.error(''))
e = e.recover(lambda _: effect.success(''))
with recursion_limit(100):
e.run(None)
e = effect.success('')
for _ in range(500):
e = e.either()
with recursion_limit(100):
e.run(None)
def test_error_repr(self):
assert repr(effect.error('reason')) == 'error(\'reason\')'
def test_error(self):
with pytest.raises(Exception):
# todo
effect.error('error').run(None)
def test_recover(self):
success = effect.success(1)
error = effect.error('error')
assert success.recover(lambda e: effect.success(2)).run(None) == 1
assert error.recover(lambda e: effect.success(2)).run(None) == 2
def test_either(self):
success = effect.success(1)
error = effect.error('error')
assert success.either().run(None) == either.Right(1)
error.either().run(None) == either.Left('error')
def test_recover_io_bound(self, e):
effect.error('').recover(effect.io_bound(lambda _: e)
).run(None) == e.run(None)
def test_retry(self):
s = schedule.recurs(2, schedule.spaced(timedelta(seconds=1)))
assert (effect.error('whoops').retry(s).either().run(MockModules()) ==
either.Left(('whoops', 'whoops')))
