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"""Tests of using the context manager style.
The context manager is based on the InterceptFixture used in gabbi.
"""
import socket
from uuid import uuid4
import pytest
import requests
import urllib3
from httplib2 import Http, ServerNotFoundError
import http.client as http_client
from urllib.request import urlopen
from urllib.error import URLError
from wsgi_intercept.interceptor import (
Interceptor, HttpClientInterceptor, Httplib2Interceptor,
RequestsInterceptor, UrllibInterceptor, Urllib3Interceptor)
from .wsgi_app import simple_app
httppool = urllib3.PoolManager()
def app():
return simple_app
# Base
def test_interceptor_instance():
hostname = str(uuid4())
port = 9999
interceptor = Httplib2Interceptor(app=app, host=hostname, port=port,
prefix='/foobar')
assert isinstance(interceptor, Interceptor)
assert interceptor.app == app
assert interceptor.host == hostname
assert interceptor.port == port
assert interceptor.script_name == '/foobar'
assert interceptor.url == 'http://%s:%s/foobar' % (hostname, port)
def test_intercept_by_url_no_port():
# Test for https://github.com/cdent/wsgi-intercept/issues/41
hostname = str(uuid4())
url = 'http://%s/foobar' % hostname
interceptor = Httplib2Interceptor(app=app, url=url)
assert isinstance(interceptor, Interceptor)
assert interceptor.app == app
assert interceptor.host == hostname
assert interceptor.port == 80
assert interceptor.script_name == '/foobar'
assert interceptor.url == url
# http_lib
def test_httpclient_interceptor_host():
hostname = str(uuid4())
port = 9999
with HttpClientInterceptor(app=app, host=hostname, port=port):
client = http_client.HTTPConnection(hostname, port)
client.request('GET', '/')
response = client.getresponse()
content = response.read().decode('utf-8')
assert response.status == 200
assert 'WSGI intercept successful!' in content
def test_httpclient_interceptor_url():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with HttpClientInterceptor(app=app, url=url):
client = http_client.HTTPConnection(hostname, port)
client.request('GET', '/')
response = client.getresponse()
content = response.read().decode('utf-8')
assert response.status == 200
assert 'WSGI intercept successful!' in content
def test_httpclient_in_out():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with HttpClientInterceptor(app=app, url=url):
client = http_client.HTTPConnection(hostname, port)
client.request('GET', '/')
response = client.getresponse()
content = response.read().decode('utf-8')
assert response.status == 200
assert 'WSGI intercept successful!' in content
# outside the context manager the intercept does not work
with pytest.raises(socket.gaierror):
client = http_client.HTTPConnection(hostname, port)
client.request('GET', '/')
# Httplib2
def test_httplib2_interceptor_host():
hostname = str(uuid4())
port = 9999
http = Http()
with Httplib2Interceptor(app=app, host=hostname, port=port) as url:
response, content = http.request(url)
assert response.status == 200
assert 'WSGI intercept successful!' in content.decode('utf-8')
def test_httplib2_interceptor_https_host():
hostname = str(uuid4())
port = 443
http = Http()
with Httplib2Interceptor(app=app, host=hostname, port=port) as url:
assert url == 'https://%s' % hostname
response, content = http.request(url)
assert response.status == 200
assert 'WSGI intercept successful!' in content.decode('utf-8')
def test_httplib2_interceptor_no_host():
# no hostname or port, one will be generated automatically
# we never actually know what it is
http = Http()
with Httplib2Interceptor(app=app) as url:
response, content = http.request(url)
assert response.status == 200
assert 'WSGI intercept successful!' in content.decode('utf-8')
def test_httplib2_interceptor_url():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
http = Http()
with Httplib2Interceptor(app=app, url=url) as target_url:
response, content = http.request(target_url)
assert response.status == 200
assert 'WSGI intercept successful!' in content.decode('utf-8')
def test_httplib2_in_out():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
http = Http()
with Httplib2Interceptor(app=app, url=url) as target_url:
response, content = http.request(target_url)
assert response.status == 200
assert 'WSGI intercept successful!' in content.decode('utf-8')
# outside the context manager the intercept does not work
with pytest.raises(ServerNotFoundError):
http.request(url)
# Requests
def test_requests_interceptor_host():
hostname = str(uuid4())
port = 9999
with RequestsInterceptor(app=app, host=hostname, port=port) as url:
response = requests.get(url)
assert response.status_code == 200
assert 'WSGI intercept successful!' in response.text
def test_requests_interceptor_url():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with RequestsInterceptor(app=app, url=url) as target_url:
response = requests.get(target_url)
assert response.status_code == 200
assert 'WSGI intercept successful!' in response.text
def test_requests_in_out():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with RequestsInterceptor(app=app, url=url) as target_url:
response = requests.get(target_url)
assert response.status_code == 200
assert 'WSGI intercept successful!' in response.text
# outside the context manager the intercept does not work
with pytest.raises(requests.ConnectionError):
requests.get(url)
# urllib3
def test_urllib3_interceptor_host():
hostname = str(uuid4())
port = 9999
with Urllib3Interceptor(app=app, host=hostname, port=port) as url:
response = httppool.request('GET', url)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
def test_urllib3_interceptor_url():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with Urllib3Interceptor(app=app, url=url) as target_url:
response = httppool.request('GET', target_url)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
def test_urllib3_in_out():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with Urllib3Interceptor(app=app, url=url) as target_url:
response = httppool.request('GET', target_url)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
# outside the context manager the intercept does not work
with pytest.raises(urllib3.exceptions.ProtocolError):
httppool.request('GET', url, retries=False)
# urllib
def test_urllib_interceptor_host():
hostname = str(uuid4())
port = 9999
with UrllibInterceptor(app=app, host=hostname, port=port) as url:
response = urlopen(url)
assert response.code == 200
assert 'WSGI intercept successful!' in response.read().decode('utf-8')
def test_urllib_interceptor_url():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with UrllibInterceptor(app=app, url=url) as target_url:
response = urlopen(target_url)
assert response.code == 200
assert 'WSGI intercept successful!' in response.read().decode('utf-8')
def test_urllib_in_out():
hostname = str(uuid4())
port = 9999
url = 'http://%s:%s/' % (hostname, port)
with UrllibInterceptor(app=app, url=url) as target_url:
response = urlopen(target_url)
assert response.code == 200
assert 'WSGI intercept successful!' in response.read().decode('utf-8')
# outside the context manager the intercept does not work
with pytest.raises(URLError):
urlopen(url)
def test_double_nested_context_interceptor():
hostname = str(uuid4())
url1 = 'http://%s:%s/' % (hostname, 9998)
url2 = 'http://%s:%s/' % (hostname, 9999)
with Urllib3Interceptor(app=app, url=url1):
with Urllib3Interceptor(app=app, url=url2):
response = httppool.request('GET', url1)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
response = httppool.request('GET', url2)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
response = httppool.request('GET', url1)
assert response.status == 200
assert 'WSGI intercept successful!' in str(response.data)
# outside the inner context manager url2 does not work
with pytest.raises(urllib3.exceptions.HTTPError):
httppool.request('GET', url2, retries=False)
# outside both context managers neither url works
with pytest.raises(urllib3.exceptions.HTTPError):
httppool.request('GET', url2, retries=False)
with pytest.raises(urllib3.exceptions.HTTPError):
httppool.request('GET', url1, retries=False)
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