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import re
import pytest
import falcon
import falcon.testing as testing
class Proxy:
def forward(self, req):
return falcon.HTTP_503
class Sink:
def __init__(self):
self._proxy = Proxy()
def __call__(self, req, resp, **kwargs):
resp.status = self._proxy.forward(req)
self.kwargs = kwargs
class SinkAsync(Sink):
async def __call__(self, req, resp, **kwargs):
super().__call__(req, resp, **kwargs)
def kitchen_sink(req, resp, **kwargs):
resp.set_header('X-Missing-Feature', 'kitchen-sink')
async def async_kitchen_sink(req, resp, **kwargs):
kitchen_sink(req, resp, **kwargs)
class BookCollection(testing.SimpleTestResource):
pass
@pytest.fixture
def resource():
return BookCollection()
@pytest.fixture
def sink(asgi):
return SinkAsync() if asgi else Sink()
@pytest.fixture
def client(asgi, util):
app = util.create_app(asgi)
return testing.TestClient(app)
class TestDefaultRouting:
def test_single_default_pattern(self, client, sink, resource):
client.app.add_sink(sink)
response = client.simulate_request(path='/')
assert response.status == falcon.HTTP_503
def test_single_simple_pattern(self, client, sink, resource):
client.app.add_sink(sink, r'/foo')
response = client.simulate_request(path='/foo/bar')
assert response.status == falcon.HTTP_503
def test_single_compiled_pattern(self, client, sink, resource):
client.app.add_sink(sink, re.compile(r'/foo'))
response = client.simulate_request(path='/foo/bar')
assert response.status == falcon.HTTP_503
response = client.simulate_request(path='/auth')
assert response.status == falcon.HTTP_404
def test_named_groups(self, client, sink, resource):
client.app.add_sink(sink, r'/user/(?P<id>\d+)')
response = client.simulate_request(path='/user/309')
assert response.status == falcon.HTTP_503
assert sink.kwargs['id'] == '309'
response = client.simulate_request(path='/user/sally')
assert response.status == falcon.HTTP_404
def test_multiple_patterns(self, asgi, client, sink, resource):
if asgi:
async def sink_too(req, resp):
resp.status = falcon.HTTP_781
else:
def sink_too(req, resp):
resp.status = falcon.HTTP_781
client.app.add_sink(sink, r'/foo')
client.app.add_sink(sink_too, r'/foo') # Last duplicate wins
client.app.add_sink(sink, r'/katza')
response = client.simulate_request(path='/foo/bar')
assert response.status == falcon.HTTP_781
response = client.simulate_request(path='/katza')
assert response.status == falcon.HTTP_503
def test_with_route(self, client, sink, resource):
client.app.add_route('/books', resource)
client.app.add_sink(sink, '/proxy')
response = client.simulate_request(path='/proxy/books')
assert not resource.called
assert response.status == falcon.HTTP_503
response = client.simulate_request(path='/books')
assert resource.called
assert response.status == falcon.HTTP_200
def test_route_precedence(self, client, sink, resource):
# NOTE(kgriffs): In case of collision, the route takes precedence.
client.app.add_route('/books', resource)
client.app.add_sink(sink, '/books')
response = client.simulate_request(path='/books')
assert resource.called
assert response.status == falcon.HTTP_200
def test_route_precedence_with_id(self, client, sink, resource):
# NOTE(kgriffs): In case of collision, the route takes precedence.
client.app.add_route('/books/{id}', resource)
client.app.add_sink(sink, '/books')
response = client.simulate_request(path='/books')
assert not resource.called
assert response.status == falcon.HTTP_503
def test_route_precedence_with_both_id(self, client, sink, resource):
# NOTE(kgriffs): In case of collision, the route takes precedence.
client.app.add_route('/books/{id}', resource)
client.app.add_sink(sink, r'/books/\d+')
response = client.simulate_request(path='/books/123')
assert resource.called
assert response.status == falcon.HTTP_200
class TestSinkMethodCompatibility:
def _verify_kitchen_sink(self, client):
resp = client.simulate_request('BREW', '/features')
assert resp.status_code == 200
assert resp.headers.get('X-Missing-Feature') == 'kitchen-sink'
def test_add_async_sink(self, client, asgi):
if not asgi:
with pytest.raises(falcon.CompatibilityError):
client.app.add_sink(async_kitchen_sink)
else:
client.app.add_sink(async_kitchen_sink, '/features')
self._verify_kitchen_sink(client)
def test_add_sync_sink(self, client, asgi, util):
if asgi:
with util.disable_asgi_non_coroutine_wrapping():
with pytest.raises(falcon.CompatibilityError):
client.app.add_sink(kitchen_sink)
else:
client.app.add_sink(kitchen_sink, '/features')
self._verify_kitchen_sink(client)
def test_add_sync_sink_with_wrapping(self, client, asgi):
client.app.add_sink(kitchen_sink, '/features')
self._verify_kitchen_sink(client)
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