from paste.session import SessionMiddleware
from paste.fixture import TestApp
import six

info = []

def wsgi_app(environ, start_response):
    pi = environ.get('PATH_INFO', '')
    if pi in ('/get1', '/get2'):
        if pi == '/get1':
            sess = environ['paste.session.factory']()
        start_response('200 OK', [('content-type', 'text/plain')])
        if pi == '/get2':
            sess = environ['paste.session.factory']()
        if 'info' in sess:
            body = str(sess['info'])
            if six.PY3:
                body = body.encode('utf8')
            return [body]
        else:
            return [b'no-info']
    if pi in ('/put1', '/put2'):
        if pi == '/put1':
            sess = environ['paste.session.factory']()
            sess['info']  = info[0]
        start_response('200 OK', [('content-type', 'text/plain')])
        if pi == '/put2':
            sess = environ['paste.session.factory']()
            sess['info']  = info[0]
        return [b'foo']

wsgi_app = SessionMiddleware(wsgi_app)

def test_app1():
    app = TestApp(wsgi_app)
    res = app.get('/get1')
    assert res.body == b'no-info'
    res = app.get('/get2')
    assert res.body ==b'no-info'
    info[:] = ['test']
    res = app.get('/put1')
    res = app.get('/get1')
    assert res.body == b'test'
    res = app.get('/get2')
    assert res.body == b'test'

def test_app2():
    app = TestApp(wsgi_app)
    info[:] = ['fluff']
    res = app.get('/put2')
    res = app.get('/get1')
    assert res.body == b'fluff'
    res = app.get('/get2')
    assert res.body == b'fluff'