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import re
import os
from beaker.middleware import SessionMiddleware
from nose import SkipTest
try:
from webtest import TestApp
except ImportError:
raise SkipTest("webtest not installed")
def teardown():
import shutil
shutil.rmtree('./cache', True)
def no_save_app(environ, start_response):
session = environ['beaker.session']
sess_id = environ.get('SESSION_ID')
start_response('200 OK', [('Content-type', 'text/plain')])
return ['The current value is: %s, session id is %s' % (session.get('value'),
session.id)]
def simple_app(environ, start_response):
session = environ['beaker.session']
sess_id = environ.get('SESSION_ID')
if sess_id:
session = session.get_by_id(sess_id)
if not session:
start_response('200 OK', [('Content-type', 'text/plain')])
return ["No session id of %s found." % sess_id]
if not session.has_key('value'):
session['value'] = 0
session['value'] += 1
if not environ['PATH_INFO'].startswith('/nosave'):
session.save()
start_response('200 OK', [('Content-type', 'text/plain')])
return ['The current value is: %d, session id is %s' % (session['value'],
session.id)]
def simple_auto_app(environ, start_response):
"""Like the simple_app, but assume that sessions auto-save"""
session = environ['beaker.session']
sess_id = environ.get('SESSION_ID')
if sess_id:
session = session.get_by_id(sess_id)
if not session:
start_response('200 OK', [('Content-type', 'text/plain')])
return ["No session id of %s found." % sess_id]
if not session.has_key('value'):
session['value'] = 0
session['value'] += 1
if environ['PATH_INFO'].startswith('/nosave'):
session.revert()
start_response('200 OK', [('Content-type', 'text/plain')])
return ['The current value is: %d, session id is %s' % (session.get('value', 0),
session.id)]
def test_no_save():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(no_save_app, **options))
res = app.get('/')
assert 'current value is: None' in res
assert [] == res.headers.getall('Set-Cookie')
def test_increment():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_app, **options))
res = app.get('/')
assert 'current value is: 1' in res
res = app.get('/')
assert 'current value is: 2' in res
res = app.get('/')
assert 'current value is: 3' in res
def test_increment_auto():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_auto_app, auto=True, **options))
res = app.get('/')
assert 'current value is: 1' in res
res = app.get('/')
assert 'current value is: 2' in res
res = app.get('/')
assert 'current value is: 3' in res
def test_different_sessions():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_app, **options))
app2 = TestApp(SessionMiddleware(simple_app, **options))
res = app.get('/')
assert 'current value is: 1' in res
res = app2.get('/')
assert 'current value is: 1' in res
res = app2.get('/')
res = app2.get('/')
res = app2.get('/')
res2 = app.get('/')
assert 'current value is: 2' in res2
assert 'current value is: 4' in res
def test_different_sessions_auto():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_auto_app, auto=True, **options))
app2 = TestApp(SessionMiddleware(simple_auto_app, auto=True, **options))
res = app.get('/')
assert 'current value is: 1' in res
res = app2.get('/')
assert 'current value is: 1' in res
res = app2.get('/')
res = app2.get('/')
res = app2.get('/')
res2 = app.get('/')
assert 'current value is: 2' in res2
assert 'current value is: 4' in res
def test_nosave():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_app, **options))
res = app.get('/nosave')
assert 'current value is: 1' in res
res = app.get('/nosave')
assert 'current value is: 1' in res
res = app.get('/')
assert 'current value is: 1' in res
res = app.get('/')
assert 'current value is: 2' in res
def test_revert():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_auto_app, auto=True, **options))
res = app.get('/nosave')
assert 'current value is: 0' in res
res = app.get('/nosave')
assert 'current value is: 0' in res
res = app.get('/')
assert 'current value is: 1' in res
assert [] == res.headers.getall('Set-Cookie')
res = app.get('/')
assert [] == res.headers.getall('Set-Cookie')
assert 'current value is: 2' in res
# Finally, ensure that reverting shows the proper one
res = app.get('/nosave')
assert [] == res.headers.getall('Set-Cookie')
assert 'current value is: 2' in res
def test_load_session_by_id():
options = {'session.data_dir':'./cache', 'session.secret':'blah'}
app = TestApp(SessionMiddleware(simple_app, **options))
res = app.get('/')
assert 'current value is: 1' in res
res = app.get('/')
res = app.get('/')
assert 'current value is: 3' in res
old_id = re.sub(r'^.*?session id is (\S+)$', r'\1', res.body, re.M)
# Clear the cookies and do a new request
app = TestApp(SessionMiddleware(simple_app, **options))
res = app.get('/')
assert 'current value is: 1' in res
# Load a bogus session to see that its not there
res = app.get('/', extra_environ={'SESSION_ID':'jil2j34il2j34ilj23'})
assert 'No session id of' in res
# Saved session was at 3, now it'll be 4
res = app.get('/', extra_environ={'SESSION_ID':old_id})
assert 'current value is: 4' in res
# Prior request is now up to 2
res = app.get('/')
assert 'current value is: 2' in res
if __name__ == '__main__':
from paste import httpserver
wsgi_app = SessionMiddleware(simple_app, {})
httpserver.serve(wsgi_app, host='127.0.0.1', port=8080)
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