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CherryPy / cherrypy / test / test_wsgi_ns.py

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from cherrypy.test import test
test.prefer_parent_path()

import cherrypy


def setup_server():
    
    class WSGIResponse(object):
        
        def __init__(self, appresults):
            self.appresults = appresults
            self.iter = iter(appresults)
        
        def __iter__(self):
            return self
        
        def next(self):
            return self.iter.next()
        
        def close(self):
            if hasattr(self.appresults, "close"):
                self.appresults.close()
    
    
    class ChangeCase(object):
        
        def __init__(self, app, to=None):
            self.app = app
            self.to = to
        
        def __call__(self, environ, start_response):
            res = self.app(environ, start_response)
            class CaseResults(WSGIResponse):
                def next(this):
                    return getattr(this.iter.next(), self.to)()
            return CaseResults(res)
    
    class Replacer(object):
        
        def __init__(self, app, map={}):
            self.app = app
            self.map = map
        
        def __call__(self, environ, start_response):
            res = self.app(environ, start_response)
            class ReplaceResults(WSGIResponse):
                def next(this):
                    line = this.iter.next()
                    for k, v in self.map.iteritems():
                        line = line.replace(k, v)
                    return line
            return ReplaceResults(res)
    
    class Root(object):
        
        def index(self):
            return "HellO WoRlD!"
        index.exposed = True
    
    
    root_conf = {'wsgi.pipeline': [('replace', Replacer)],
                 'wsgi.replace.map': {'L': 'X', 'l': 'r'},
                 }
    
    cherrypy.config.update({'environment': 'test_suite'})
    
    app = cherrypy.Application(Root())
    app.wsgiapp.pipeline.append(('changecase', ChangeCase))
    app.wsgiapp.config['changecase'] = {'to': 'upper'}
    cherrypy.tree.mount(app, config={'/': root_conf})


from cherrypy.test import helper


class WSGI_Namespace_Test(helper.CPWebCase):
    
    def test_pipeline(self):
        if not cherrypy.server.httpserver:
            print "skipped ",
            return
        
        self.getPage("/")
        # If body is "HEXXO WORXD!", the middleware was applied out of order.
        self.assertBody("HERRO WORRD!")

if __name__ == '__main__':
    setup_server()
    helper.testmain()