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"""
Tests for the http gateway.
Pyro - Python Remote Objects. Copyright by Irmen de Jong (irmen@razorvine.net).
"""
import pytest
import json
from wsgiref.util import setup_testing_defaults
import io
import Pyro5.utils.httpgateway
import Pyro5.errors
import Pyro5.core
from Pyro5.nameserver import NameServer
class WSGITestBase:
"""Helper class for wsgi unit-tests. Provides up a simple interface to make requests
as though they came through a wsgi interface from a user."""
def __init__(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 = []
@pytest.fixture(scope="module")
def wsgiserver():
# a bit of hackery to avoid having to launch a live name server
class NameServerDummyProxy(NameServer):
def __init__(self):
super(NameServerDummyProxy, self).__init__()
self._pyroUri = Pyro5.core.URI("PYRO:dummy12345@localhost:59999")
self.register("http.ObjectName", "PYRO:dummy12345@localhost:59999")
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def __call__(self, *args, **kwargs):
return ["Name1", "Name2", "Name3"]
def _pyroInvokeBatch(self, calls, oneway=False):
return ["Name1"]
def _pyroClaimOwnership(self):
pass
ws = WSGITestBase()
old_get_ns = Pyro5.utils.httpgateway.get_nameserver
Pyro5.utils.httpgateway.get_nameserver = lambda: NameServerDummyProxy()
Pyro5.config.COMMTIMEOUT = 0.3
yield ws
Pyro5.utils.httpgateway.get_nameserver = old_get_ns
Pyro5.config.COMMTIMEOUT = 0.0
class TestHttpGateway:
def teardown_class(self):
Pyro5.config.SERIALIZER = "serpent"
def test_params(self):
multiparams = {
"first": [1],
"second": [1, 2, 3],
"third": 42
}
checkparams = {
"first": 1,
"second": [1, 2, 3],
"third": 42
}
params = Pyro5.utils.httpgateway.singlyfy_parameters(multiparams)
assert checkparams == params
params = Pyro5.utils.httpgateway.singlyfy_parameters(multiparams)
assert checkparams == params
def test_redirect(self, wsgiserver):
result = wsgiserver.request(Pyro5.utils.httpgateway.pyro_app, "/")
assert wsgiserver.status == "302 Found"
assert wsgiserver.headers == [('Location', '/pyro/')]
assert result == b""
def test_webpage(self, wsgiserver):
result = wsgiserver.request(Pyro5.utils.httpgateway.pyro_app, "/pyro/")
assert wsgiserver.status == "200 OK"
assert result.startswith(b"<!DOCTYPE html>")
assert len(result) > 1000
def test_methodCallGET(self, wsgiserver):
result = wsgiserver.request(Pyro5.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
assert wsgiserver.status == "500 Internal Server Error"
j = json.loads(result.decode("utf-8"))
assert j["__exception__"]
assert j["__class__"] == "Pyro5.errors.CommunicationError"
def test_methodCallPOST(self, wsgiserver):
result = wsgiserver.request(Pyro5.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
assert wsgiserver.status == "500 Internal Server Error"
j = json.loads(result.decode("utf-8"))
assert j["__exception__"]
assert j["__class__"] == "Pyro5.errors.CommunicationError"
def test_nameDeniedPattern(self, wsgiserver):
result = wsgiserver.request(Pyro5.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
assert wsgiserver.status == "403 Forbidden"
def test_nameDeniedNotRegistered(self, wsgiserver):
result = wsgiserver.request(Pyro5.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
assert wsgiserver.status == "500 Internal Server Error"
j = json.loads(result.decode("utf-8"))
assert j["__exception__"]
assert j["__class__"] == "Pyro5.errors.NamingError"
def test_exposedPattern(self):
assert Pyro5.utils.httpgateway.pyro_app.ns_regex == r"http\."
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