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"""
Tests for the http gateway.
Pyro - Python Remote Objects. Copyright by Irmen de Jong (irmen@razorvine.net).
"""
import json
from wsgiref.util import setup_testing_defaults
import io
import unittest
import Pyro4.utils.httpgateway
import Pyro4.errors
import Pyro4.core
from Pyro4.naming import NameServer
from Pyro4.configuration import config
# a bit of hackery to avoid having to launch a live name server
def get_nameserver_dummy(hmac=None):
class NameServerDummyProxy(NameServer):
def __init__(self):
super(NameServerDummyProxy, self).__init__()
self._pyroUri = Pyro4.core.URI("PYRO:dummy12345@localhost:59999")
self.register("http.ObjectName", "PYRO:dummy12345@localhost:59999")
def _pyroBatch(self):
return self
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def __call__(self, *args, **kwargs):
return ["Name1", "Name2", "Name3"]
return NameServerDummyProxy()
class WSGITestBase(unittest.TestCase):
"""Base class for unit-tests. Provides up a simple interface to make requests
as though they came through a wsgi interface from a user."""
def setUp(self):
"""Set up a fresh testing environment before each test."""
self.cookies = []
def request(self, application, url, query_string="", post_data=b""):
"""Hand a request to the application as if sent by a client.
@param application: The callable wsgi application to test.
@param url: The URL to make the request against.
@param query_string: Url parameters.
@param post_data: bytes to post."""
self.response_started = False
method = 'POST' if post_data else 'GET'
temp = io.BytesIO(post_data)
environ = {
'PATH_INFO': url,
'REQUEST_METHOD': method,
'CONTENT_LENGTH': len(post_data),
'QUERY_STRING': query_string,
'wsgi.input': temp,
}
if method == "POST":
environ["CONTENT_TYPE"] = "application/x-www-form-urlencoded"
setup_testing_defaults(environ)
if self.cookies:
environ['HTTP_COOKIE'] = ';'.join(self.cookies)
response = b''
for ret in application(environ, self._start_response):
assert self.response_started
response += ret
temp.close()
return response
def _start_response(self, status, headers):
"""A callback passed into the application, to simulate a wsgi
environment.
@param status: The response status of the application ("200", "404", etc)
@param headers: Any headers to begin the response with.
"""
assert not self.response_started
self.response_started = True
self.status = status
self.headers = headers
for header in headers:
# Parse out any cookies and save them to send with later requests.
if header[0] == 'Set-Cookie':
var = header[1].split(';', 1)
if len(var) > 1 and var[1][0:9] == ' Max-Age=':
if int(var[1][9:]) > 0:
# An approximation, since our cookies never expire unless
# explicitly deleted (by setting Max-Age=0).
self.cookies.append(var[0])
else:
index = self.cookies.index(var[0])
self.cookies.pop(index)
def new_session(self):
"""Start a new session (or pretend to be a different user) by deleting
all current cookies."""
self.cookies = []
class TestHttpGateway(WSGITestBase):
def setUp(self):
super(TestHttpGateway, self).setUp()
self.old_get_ns = Pyro4.utils.httpgateway.get_nameserver
Pyro4.utils.httpgateway.get_nameserver = get_nameserver_dummy
config.COMMTIMEOUT = 0.3
def tearDown(self):
super(TestHttpGateway, self).tearDown()
Pyro4.utils.httpgateway.get_nameserver = self.old_get_ns
config.COMMTIMEOUT = 0.0
def testParams(self):
multiparams = {
"first": [1],
"second": [1, 2, 3],
"third": 42
}
checkparams = {
"first": 1,
"second": [1, 2, 3],
"third": 42
}
params = Pyro4.utils.httpgateway.singlyfy_parameters(multiparams)
self.assertEqual(checkparams, params)
params = Pyro4.utils.httpgateway.singlyfy_parameters(multiparams)
self.assertEqual(checkparams, params)
def testRedirect(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/")
self.assertEqual("302 Found", self.status)
self.assertEqual([('Location', '/pyro/')], self.headers)
self.assertEqual(b"", result)
def testWebpage(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/pyro/")
self.assertEqual("200 OK", self.status)
self.assertTrue(result.startswith(b"<!DOCTYPE html>"))
self.assertTrue(len(result) > 1000)
def testMethodCallGET(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/pyro/http.ObjectName/method", query_string="param=42¶m2=hello")
# the call will result in a communication error because the dummy uri points to something that is not available
self.assertEqual("500 Internal Server Error", self.status)
j = json.loads(result.decode("utf-8"))
self.assertTrue(j["__exception__"])
self.assertEqual("Pyro4.errors.CommunicationError", j["__class__"])
def testMethodCallPOST(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/pyro/http.ObjectName/method", post_data=b"param=42¶m2=hello")
# the call will result in a communication error because the dummy uri points to something that is not available
self.assertEqual("500 Internal Server Error", self.status)
j = json.loads(result.decode("utf-8"))
self.assertTrue(j["__exception__"])
self.assertEqual("Pyro4.errors.CommunicationError", j["__class__"])
def testNameDeniedPattern(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/pyro/Pyro.NameServer/method")
# the call will result in a access denied error because the uri points to a non-exposed name
self.assertEqual("403 Forbidden", self.status)
def testNameDeniedNotRegistered(self):
result = self.request(Pyro4.utils.httpgateway.pyro_app, "/pyro/http.NotRegisteredName/method")
# the call will result in a communication error because the dummy uri points to something that is not registered
self.assertEqual("500 Internal Server Error", self.status)
j = json.loads(result.decode("utf-8"))
self.assertTrue(j["__exception__"])
self.assertEqual("Pyro4.errors.NamingError", j["__class__"])
def testExposedPattern(self):
self.assertEqual(r"http\.", Pyro4.utils.httpgateway.pyro_app.ns_regex)
if __name__ == "__main__":
unittest.main()
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