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###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from mock import patch
import pytest
import txaio
from txaio.testutil import replace_loop
def test_default_reactor(framework_tx):
"""
run the code that defaults txaio.config.loop
"""
pytest.importorskip('twisted')
assert txaio.config.loop is None
try:
txaio.call_later(1, lambda: None)
from twisted.internet import reactor
assert txaio.config.loop is reactor
finally:
txaio.config.loop = None
def test_explicit_reactor_future(framework):
"""
If we set an event-loop, Futures + Tasks should use it.
"""
pytest.importorskip('asyncio')
if txaio.using_twisted:
pytest.skip()
with patch.object(txaio.config, 'loop') as fake_loop:
f = txaio.create_future('result')
f.add_done_callback(lambda _: None)
assert len(fake_loop.method_calls) == 2
c = fake_loop.method_calls[1]
assert c[0] == 'call_soon'
def test_explicit_reactor_coroutine(framework):
"""
If we set an event-loop, Futures + Tasks should use it.
"""
pytest.importorskip('asyncio')
if txaio.using_twisted:
pytest.skip()
from asyncio import coroutine
@coroutine
def some_coroutine():
yield 'nothing'
with patch.object(txaio.config, 'loop') as fake_loop:
txaio.as_future(some_coroutine)
assert len(fake_loop.method_calls) == 2
c = fake_loop.method_calls[1]
assert c[0] == 'call_soon'
def test_call_later_tx(framework_tx):
'''
Wait for two Futures.
'''
from twisted.internet.task import Clock
new_loop = Clock()
calls = []
with replace_loop(new_loop) as fake_loop:
def foo(*args, **kw):
calls.append((args, kw))
delay = txaio.call_later(1, foo, 5, 6, 7, foo="bar")
assert len(calls) == 0
assert hasattr(delay, 'cancel')
fake_loop.advance(2)
assert len(calls) == 1
assert calls[0][0] == (5, 6, 7)
assert calls[0][1] == dict(foo="bar")
def test_call_later_aio(framework_aio):
'''
Wait for two Futures.
'''
# Trollius doesn't come with this, so won't work on py2
pytest.importorskip('asyncio.test_utils')
def time_gen():
when = yield
assert when == 1
# even though we only do one call, I guess TestLoop needs
# a "trailing" yield? "or something"
when = yield 0
print("Hmmm", when)
from asyncio.test_utils import TestLoop
new_loop = TestLoop(time_gen)
calls = []
with replace_loop(new_loop) as fake_loop:
def foo(*args, **kw):
calls.append((args, kw))
delay = txaio.call_later(1, foo, 5, 6, 7, foo="bar")
assert len(calls) == 0
assert hasattr(delay, 'cancel')
fake_loop.advance_time(2)
fake_loop._run_once()
assert len(calls) == 1
assert calls[0][0] == (5, 6, 7)
assert calls[0][1] == dict(foo="bar")
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