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import asyncio
from unittest import mock
import pytest
from multidict import CIMultiDict
from aiohttp.signals import Signal
from aiohttp.test_utils import make_mocked_request
from aiohttp.web import Application, Response
@pytest.fixture
def app(loop):
return Application(loop=loop)
@pytest.fixture
def debug_app(loop):
return Application(loop=loop, debug=True)
def make_request(app, method, path, headers=CIMultiDict()):
return make_mocked_request(method, path, headers, app=app)
@asyncio.coroutine
def test_add_signal_handler_not_a_callable(app):
callback = True
app.on_response_prepare.append(callback)
with pytest.raises(TypeError):
yield from app.on_response_prepare(None, None)
@asyncio.coroutine
def test_function_signal_dispatch(app):
signal = Signal(app)
kwargs = {'foo': 1, 'bar': 2}
callback_mock = mock.Mock()
@asyncio.coroutine
def callback(**kwargs):
callback_mock(**kwargs)
signal.append(callback)
yield from signal.send(**kwargs)
callback_mock.assert_called_once_with(**kwargs)
@asyncio.coroutine
def test_function_signal_dispatch2(app):
signal = Signal(app)
args = {'a', 'b'}
kwargs = {'foo': 1, 'bar': 2}
callback_mock = mock.Mock()
@asyncio.coroutine
def callback(*args, **kwargs):
callback_mock(*args, **kwargs)
signal.append(callback)
yield from signal.send(*args, **kwargs)
callback_mock.assert_called_once_with(*args, **kwargs)
@asyncio.coroutine
def test_response_prepare(app):
callback = mock.Mock()
@asyncio.coroutine
def cb(*args, **kwargs):
callback(*args, **kwargs)
app.on_response_prepare.append(cb)
request = make_request(app, 'GET', '/')
response = Response(body=b'')
yield from response.prepare(request)
callback.assert_called_once_with(request, response)
@asyncio.coroutine
def test_non_coroutine(app):
signal = Signal(app)
kwargs = {'foo': 1, 'bar': 2}
callback = mock.Mock()
signal.append(callback)
yield from signal.send(**kwargs)
callback.assert_called_once_with(**kwargs)
@asyncio.coroutine
def test_debug_signal(debug_app):
assert debug_app.debug, "Should be True"
signal = Signal(debug_app)
callback = mock.Mock()
pre = mock.Mock()
post = mock.Mock()
signal.append(callback)
debug_app.on_pre_signal.append(pre)
debug_app.on_post_signal.append(post)
yield from signal.send(1, a=2)
callback.assert_called_once_with(1, a=2)
pre.assert_called_once_with(1, 'aiohttp.signals:Signal', 1, a=2)
post.assert_called_once_with(1, 'aiohttp.signals:Signal', 1, a=2)
def test_setitem(app):
signal = Signal(app)
m1 = mock.Mock()
signal.append(m1)
assert signal[0] is m1
m2 = mock.Mock()
signal[0] = m2
assert signal[0] is m2
def test_delitem(app):
signal = Signal(app)
m1 = mock.Mock()
signal.append(m1)
assert len(signal) == 1
del signal[0]
assert len(signal) == 0
def test_cannot_append_to_frozen_signal(app):
signal = Signal(app)
m1 = mock.Mock()
m2 = mock.Mock()
signal.append(m1)
signal.freeze()
with pytest.raises(RuntimeError):
signal.append(m2)
assert list(signal) == [m1]
def test_cannot_setitem_in_frozen_signal(app):
signal = Signal(app)
m1 = mock.Mock()
m2 = mock.Mock()
signal.append(m1)
signal.freeze()
with pytest.raises(RuntimeError):
signal[0] = m2
assert list(signal) == [m1]
def test_cannot_delitem_in_frozen_signal(app):
signal = Signal(app)
m1 = mock.Mock()
signal.append(m1)
signal.freeze()
with pytest.raises(RuntimeError):
del signal[0]
assert list(signal) == [m1]
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