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# -*- coding: utf-8 -*-
"""
test
~~~~
Flask-CORS is a simple extension to Flask allowing you to support cross
origin resource sharing (CORS) using a simple decorator.
:copyright: (c) 2016 by Cory Dolphin.
:license: MIT, see LICENSE for more details.
"""
import unittest
import flask
from packaging import version
from ..base_test import FlaskCorsTestCase
from flask import Flask, abort
from flask_cors import *
from flask_cors.core import *
def add_routes(app):
@app.route('/test_no_acl_abort_404')
@app.route('/test_acl_abort_404')
def test_acl_abort_404():
abort(404)
@app.route('/test_no_acl_abort_500')
@app.route('/test_acl_abort_500')
def test_acl_abort_500():
abort(500)
@app.route('/test_acl_uncaught_exception_500')
def test_acl_uncaught_exception_500():
raise Exception("This could've been any exception")
@app.route('/test_no_acl_uncaught_exception_500')
def test_no_acl_uncaught_exception_500():
raise Exception("This could've been any exception")
class ExceptionInterceptionDefaultTestCase(FlaskCorsTestCase):
def setUp(self):
self.app = Flask(__name__)
CORS(self.app, resources={
r'/test_acl*': {},
})
add_routes(self.app)
def test_acl_abort_404(self):
'''
HTTP Responses generated by calling abort are handled identically
to normal responses, and should be wrapped by CORS headers if thep
path matches. This path matches.
'''
resp = self.get('/test_acl_abort_404', origin='www.example.com')
self.assertEqual(resp.status_code, 404)
self.assertTrue(ACL_ORIGIN in resp.headers)
def test_no_acl_abort_404(self):
'''
HTTP Responses generated by calling abort are handled identically
to normal responses, and should be wrapped by CORS headers if thep
path matches. This path does not match.
'''
resp = self.get('/test_no_acl_abort_404', origin='www.example.com')
self.assertEqual(resp.status_code, 404)
self.assertFalse(ACL_ORIGIN in resp.headers)
def test_acl_abort_500(self):
'''
HTTP Responses generated by calling abort are handled identically
to normal responses, and should be wrapped by CORS headers if thep
path matches. This path matches
'''
resp = self.get('/test_acl_abort_500', origin='www.example.com')
self.assertEqual(resp.status_code, 500)
self.assertTrue(ACL_ORIGIN in resp.headers)
def test_no_acl_abort_500(self):
'''
HTTP Responses generated by calling abort are handled identically
to normal responses, and should be wrapped by CORS headers if thep
path matches. This path matches
'''
resp = self.get('/test_no_acl_abort_500', origin='www.example.com')
self.assertEqual(resp.status_code, 500)
self.assertFalse(ACL_ORIGIN in resp.headers)
def test_acl_uncaught_exception_500(self):
'''
Uncaught exceptions will trigger Flask's internal exception
handler, and should have ACL headers only if intercept_exceptions
is set to True and if the request URL matches the resources pattern
This url matches.
'''
resp = self.get('/test_acl_uncaught_exception_500', origin='www.example.com')
self.assertEqual(resp.status_code, 500)
self.assertTrue(ACL_ORIGIN in resp.headers)
def test_no_acl_uncaught_exception_500(self):
'''
Uncaught exceptions will trigger Flask's internal exception
handler, and should have ACL headers only if intercept_exceptions
is set to True and if the request URL matches the resources pattern.
This url does not match.
'''
resp = self.get('/test_no_acl_uncaught_exception_500', origin='www.example.com')
self.assertEqual(resp.status_code, 500)
self.assertFalse(ACL_ORIGIN in resp.headers)
def test_acl_exception_with_error_handler(self):
'''
If a 500 handler is setup by the user, responses should have
CORS matching rules applied, regardless of whether or not
intercept_exceptions is enbaled.
'''
return_string = "Simple error handler"
@self.app.errorhandler(404)
@self.app.errorhandler(500)
def catch_all_handler(error):
'''
This error handler catches 404s and 500s and returns
status 200 no matter what. It is not a good handler.
'''
return return_string, 200
acl_paths = [
'/test_acl_abort_404',
'/test_acl_abort_500',
'test_acl_uncaught_exception_500'
]
no_acl_paths = [
'/test_no_acl_abort_404',
'/test_no_acl_abort_500',
'test_no_acl_uncaught_exception_500'
]
def get_with_origins(path):
return self.get(path, origin='www.example.com')
for resp in map(get_with_origins, acl_paths):
self.assertEqual(resp.status_code, 200)
self.assertTrue(ACL_ORIGIN in resp.headers)
for resp in map(get_with_origins, no_acl_paths):
self.assertEqual(resp.status_code, 200)
self.assertFalse(ACL_ORIGIN in resp.headers)
class NoExceptionInterceptionTestCase(ExceptionInterceptionDefaultTestCase):
def setUp(self):
self.app = Flask(__name__)
CORS(self.app,
intercept_exceptions=False,
resources={
r'/test_acl*': {},
})
add_routes(self.app)
def test_acl_exception_with_error_handler(self):
'''
If a 500 handler is setup by the user, responses should have
CORS matching rules applied, regardless of whether or not
intercept_exceptions is enbaled.
'''
return_string = "Simple error handler"
@self.app.errorhandler(404)
@self.app.errorhandler(500)
def catch_all_handler(error):
'''
This error handler catches 404s and 500s and returns
status 200 no matter what. It is not a good handler.
'''
return return_string, 200
acl_paths = [
'/test_acl_abort_404',
'/test_acl_abort_500',
]
no_acl_paths = [
'/test_no_acl_abort_404',
'/test_no_acl_abort_500',
'test_no_acl_uncaught_exception_500'
'test_acl_uncaught_exception_500'
]
def get_with_origins(path):
return self.get(path, origin='www.example.com')
for resp in map(get_with_origins, acl_paths):
self.assertEqual(resp.status_code, 200)
self.assertTrue(ACL_ORIGIN in resp.headers)
for resp in map(get_with_origins, no_acl_paths):
self.assertEqual(resp.status_code, 200)
self.assertFalse(ACL_ORIGIN in resp.headers)
@unittest.skipIf(version.parse(flask.__version__) >= version.parse("1.1"),
"Flask 1.1 changed interception behavior, so after request handlers are always run. "
"This obviates the need for our hacky interception")
def test_acl_uncaught_exception_500(self):
'''
Uncaught exceptions will trigger Flask's internal exception
handler, and should have ACL headers only if intercept_exceptions
is set to True. In this case it is not.
'''
resp = self.get('/test_acl_uncaught_exception_500', origin='www.example.com')
self.assertEqual(resp.status_code, 500)
self.assertFalse(ACL_ORIGIN in resp.headers)
if __name__ == "__main__":
unittest.main()
|
