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# Copyright 2015 Vladimir Rutsky <vladimir@rutsky.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test basic usage."""
async def test_main():
# This tests corresponds to example from documentation.
# If you updating it, don't forget to update documentation.
import aiohttp_cors
from aiohttp import web
async def handler(request):
return web.Response(
text="Hello!",
headers={
"X-Custom-Server-Header": "Custom data",
},
)
app = web.Application()
# `aiohttp_cors.setup` returns `aiohttp_cors.CorsConfig` instance.
# The `cors` instance will store CORS configuration for the
# application.
cors = aiohttp_cors.setup(app)
# To enable CORS processing for specific route you need to add
# that route to the CORS configuration object and specify its
# CORS options.
resource = cors.add(app.router.add_resource("/hello"))
route = cors.add(
resource.add_route("GET", handler),
{
"http://client.example.org": aiohttp_cors.ResourceOptions(
allow_credentials=True,
expose_headers=("X-Custom-Server-Header",),
allow_headers=("X-Requested-With", "Content-Type"),
max_age=3600,
)
},
)
assert route is not None
async def test_defaults():
# This tests corresponds to example from documentation.
# If you updating it, don't forget to update documentation.
import aiohttp_cors
from aiohttp import web
async def handler(request):
return web.Response(
text="Hello!",
headers={
"X-Custom-Server-Header": "Custom data",
},
)
handler_post = handler
handler_put = handler
app = web.Application()
# Example:
cors = aiohttp_cors.setup(
app,
defaults={
# Allow all to read all CORS-enabled resources from
# http://client.example.org.
"http://client.example.org": aiohttp_cors.ResourceOptions(),
},
)
# Enable CORS on routes.
# According to defaults POST and PUT will be available only to
# "http://client.example.org".
hello_resource = cors.add(app.router.add_resource("/hello"))
cors.add(hello_resource.add_route("POST", handler_post))
cors.add(hello_resource.add_route("PUT", handler_put))
# In addition to "http://client.example.org", GET request will be
# allowed from "http://other-client.example.org" origin.
cors.add(
hello_resource.add_route("GET", handler),
{
"http://other-client.example.org": aiohttp_cors.ResourceOptions(),
},
)
# CORS will be enabled only on the resources added to `CorsConfig`,
# so following resource will be NOT CORS-enabled.
app.router.add_route("GET", "/private", handler)
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