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import asyncio
from unittest import mock
import pytest
from aiohttp import web
from aiohttp_cors import CorsConfig, APP_CONFIG_KEY
from aiohttp_cors import ResourceOptions, CorsViewMixin, custom_cors
DEFAULT_CONFIG = {
'*': ResourceOptions()
}
CLASS_CONFIG = {
'*': ResourceOptions()
}
CUSTOM_CONFIG = {
'www.client1.com': ResourceOptions(allow_headers=['X-Host'])
}
class SimpleView(web.View, CorsViewMixin):
async def get(self):
return web.Response(text="Done")
class SimpleViewWithConfig(web.View, CorsViewMixin):
cors_config = CLASS_CONFIG
async def get(self):
return web.Response(text="Done")
class CustomMethodView(web.View, CorsViewMixin):
cors_config = CLASS_CONFIG
async def get(self):
return web.Response(text="Done")
@custom_cors(CUSTOM_CONFIG)
async def post(self):
return web.Response(text="Done")
@pytest.fixture
def _app():
return web.Application()
@pytest.fixture
def cors(_app):
ret = CorsConfig(_app, defaults=DEFAULT_CONFIG)
_app[APP_CONFIG_KEY] = ret
return ret
@pytest.fixture
def app(_app, cors):
# a trick to install a cors into app
return _app
def test_raise_exception_when_cors_not_configure():
request = mock.Mock()
request.app = {}
view = CustomMethodView(request)
with pytest.raises(ValueError):
view.get_request_config(request, 'post')
async def test_raises_forbidden_when_config_not_found(app):
app[APP_CONFIG_KEY].defaults = {}
request = mock.Mock()
request.app = app
request.headers = {
'Origin': '*',
'Access-Control-Request-Method': 'GET'
}
view = SimpleView(request)
with pytest.raises(web.HTTPForbidden):
await view.options()
def test_method_with_custom_cors(app):
"""Test adding resource with web.View as handler"""
request = mock.Mock()
request.app = app
view = CustomMethodView(request)
assert hasattr(view.post, 'post_cors_config')
assert asyncio.iscoroutinefunction(view.post)
config = view.get_request_config(request, 'post')
assert config.get('www.client1.com') == CUSTOM_CONFIG['www.client1.com']
def test_method_with_class_config(app):
"""Test adding resource with web.View as handler"""
request = mock.Mock()
request.app = app
view = SimpleViewWithConfig(request)
assert not hasattr(view.get, 'get_cors_config')
config = view.get_request_config(request, 'get')
assert config.get('*') == CLASS_CONFIG['*']
def test_method_with_default_config(app):
"""Test adding resource with web.View as handler"""
request = mock.Mock()
request.app = app
view = SimpleView(request)
assert not hasattr(view.get, 'get_cors_config')
config = view.get_request_config(request, 'get')
assert config.get('*') == DEFAULT_CONFIG['*']
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