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from .test_errordocument import simple_app
from paste.fixture import *
from paste.recursive import RecursiveMiddleware, ForwardRequestException
def error_docs_app(environ, start_response):
if environ['PATH_INFO'] == '/not_found':
start_response("404 Not found", [('Content-type', 'text/plain')])
return [b'Not found']
elif environ['PATH_INFO'] == '/error':
start_response("200 OK", [('Content-type', 'text/plain')])
return [b'Page not found']
elif environ['PATH_INFO'] == '/recurse':
raise ForwardRequestException('/recurse')
else:
return simple_app(environ, start_response)
class Middleware(object):
def __init__(self, app, url='/error'):
self.app = app
self.url = url
def __call__(self, environ, start_response):
raise ForwardRequestException(self.url)
def forward(app):
app = TestApp(RecursiveMiddleware(app))
res = app.get('')
assert res.header('content-type') == 'text/plain'
assert res.full_status == '200 OK'
assert 'requested page returned' in res
res = app.get('/error')
assert res.header('content-type') == 'text/plain'
assert res.full_status == '200 OK'
assert 'Page not found' in res
res = app.get('/not_found')
assert res.header('content-type') == 'text/plain'
assert res.full_status == '200 OK'
assert 'Page not found' in res
try:
res = app.get('/recurse')
except AssertionError as e:
if str(e).startswith('Forwarding loop detected'):
pass
else:
raise AssertionError('Failed to detect forwarding loop')
def test_ForwardRequest_url():
class TestForwardRequestMiddleware(Middleware):
def __call__(self, environ, start_response):
if environ['PATH_INFO'] != '/not_found':
return self.app(environ, start_response)
raise ForwardRequestException(self.url)
forward(TestForwardRequestMiddleware(error_docs_app))
def test_ForwardRequest_environ():
class TestForwardRequestMiddleware(Middleware):
def __call__(self, environ, start_response):
if environ['PATH_INFO'] != '/not_found':
return self.app(environ, start_response)
environ['PATH_INFO'] = self.url
raise ForwardRequestException(environ=environ)
forward(TestForwardRequestMiddleware(error_docs_app))
def test_ForwardRequest_factory():
from paste.errordocument import StatusKeeper
class TestForwardRequestMiddleware(Middleware):
def __call__(self, environ, start_response):
if environ['PATH_INFO'] != '/not_found':
return self.app(environ, start_response)
environ['PATH_INFO'] = self.url
def factory(app):
return StatusKeeper(app, status='404 Not Found', url='/error', headers=[])
raise ForwardRequestException(factory=factory)
app = TestForwardRequestMiddleware(error_docs_app)
app = TestApp(RecursiveMiddleware(app))
res = app.get('')
assert res.header('content-type') == 'text/plain'
assert res.full_status == '200 OK'
assert 'requested page returned' in res
res = app.get('/error')
assert res.header('content-type') == 'text/plain'
assert res.full_status == '200 OK'
assert 'Page not found' in res
res = app.get('/not_found', status=404)
assert res.header('content-type') == 'text/plain'
assert res.full_status == '404 Not Found' # Different status
assert 'Page not found' in res
try:
res = app.get('/recurse')
except AssertionError as e:
if str(e).startswith('Forwarding loop detected'):
pass
else:
raise AssertionError('Failed to detect forwarding loop')
# Test Deprecated Code
def test_ForwardRequestException():
class TestForwardRequestExceptionMiddleware(Middleware):
def __call__(self, environ, start_response):
if environ['PATH_INFO'] != '/not_found':
return self.app(environ, start_response)
raise ForwardRequestException(path_info=self.url)
forward(TestForwardRequestExceptionMiddleware(error_docs_app))
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