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190 lines (155 loc) · 5.6 KB
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import asyncio
import pytest
from aiohttp import web
@asyncio.coroutine
def test_middleware_modifies_response(loop, test_client):
@asyncio.coroutine
def handler(request):
return web.Response(body=b'OK')
@asyncio.coroutine
def middleware_factory(app, handler):
@asyncio.coroutine
def middleware(request):
resp = yield from handler(request)
assert 200 == resp.status
resp.set_status(201)
resp.text = resp.text + '[MIDDLEWARE]'
return resp
return middleware
app = web.Application()
app.middlewares.append(middleware_factory)
app.router.add_route('GET', '/', handler)
client = yield from test_client(app)
resp = yield from client.get('/')
assert 201 == resp.status
txt = yield from resp.text()
assert 'OK[MIDDLEWARE]' == txt
@asyncio.coroutine
def test_middleware_handles_exception(loop, test_client):
@asyncio.coroutine
def handler(request):
raise RuntimeError('Error text')
@asyncio.coroutine
def middleware_factory(app, handler):
@asyncio.coroutine
def middleware(request):
with pytest.raises(RuntimeError) as ctx:
yield from handler(request)
return web.Response(status=501,
text=str(ctx.value) + '[MIDDLEWARE]')
return middleware
app = web.Application()
app.middlewares.append(middleware_factory)
app.router.add_route('GET', '/', handler)
client = yield from test_client(app)
resp = yield from client.get('/')
assert 501 == resp.status
txt = yield from resp.text()
assert 'Error text[MIDDLEWARE]' == txt
@asyncio.coroutine
def test_middleware_chain(loop, test_client):
@asyncio.coroutine
def handler(request):
return web.Response(text='OK')
def make_factory(num):
@asyncio.coroutine
def factory(app, handler):
def middleware(request):
resp = yield from handler(request)
resp.text = resp.text + '[{}]'.format(num)
return resp
return middleware
return factory
app = web.Application()
app.middlewares.append(make_factory(1))
app.middlewares.append(make_factory(2))
app.router.add_route('GET', '/', handler)
client = yield from test_client(app)
resp = yield from client.get('/')
assert 200 == resp.status
txt = yield from resp.text()
assert 'OK[2][1]' == txt
@pytest.fixture
def cli(loop, test_client):
def wrapper(extra_middlewares):
app = web.Application()
app.router.add_route(
'GET', '/resource1', lambda x: web.Response(text="OK"))
app.router.add_route(
'GET', '/resource2/', lambda x: web.Response(text="OK"))
app.router.add_route(
'GET', '/resource1/a/b', lambda x: web.Response(text="OK"))
app.router.add_route(
'GET', '/resource2/a/b/', lambda x: web.Response(text="OK"))
app.middlewares.extend(extra_middlewares)
return test_client(app, server_kwargs={'skip_url_asserts': True})
return wrapper
class TestNormalizePathMiddleware:
@asyncio.coroutine
@pytest.mark.parametrize("path, status", [
('/resource1', 200),
('/resource1/', 404),
('/resource2', 200),
('/resource2/', 200)
])
def test_add_trailing_when_necessary(
self, path, status, cli):
extra_middlewares = [
web.normalize_path_middleware(merge_slashes=False)]
client = yield from cli(extra_middlewares)
resp = yield from client.get(path)
assert resp.status == status
@asyncio.coroutine
@pytest.mark.parametrize("path, status", [
('/resource1', 200),
('/resource1/', 404),
('/resource2', 404),
('/resource2/', 200)
])
def test_no_trailing_slash_when_disabled(
self, path, status, cli):
extra_middlewares = [
web.normalize_path_middleware(
append_slash=False, merge_slashes=False)]
client = yield from cli(extra_middlewares)
resp = yield from client.get(path)
assert resp.status == status
@asyncio.coroutine
@pytest.mark.parametrize("path, status", [
('/resource1/a/b', 200),
('//resource1//a//b', 200),
('//resource1//a//b/', 404),
('///resource1//a//b', 200),
('/////resource1/a///b', 200),
('/////resource1/a//b/', 404)
])
def test_merge_slash(self, path, status, cli):
extra_middlewares = [
web.normalize_path_middleware(append_slash=False)]
client = yield from cli(extra_middlewares)
resp = yield from client.get(path)
assert resp.status == status
@asyncio.coroutine
@pytest.mark.parametrize("path, status", [
('/resource1/a/b', 200),
('/resource1/a/b/', 404),
('//resource2//a//b', 200),
('//resource2//a//b/', 200),
('///resource1//a//b', 200),
('///resource1//a//b/', 404),
('/////resource1/a///b', 200),
('/////resource1/a///b/', 404),
('/resource2/a/b', 200),
('//resource2//a//b', 200),
('//resource2//a//b/', 200),
('///resource2//a//b', 200),
('///resource2//a//b/', 200),
('/////resource2/a///b', 200),
('/////resource2/a///b/', 200)
])
def test_append_and_merge_slash(self, path, status, cli):
extra_middlewares = [
web.normalize_path_middleware()]
client = yield from cli(extra_middlewares)
resp = yield from client.get(path)
assert resp.status == status