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module WebMock
class RackResponse < Response
def initialize(app)
@app = app
end
def evaluate(request)
env = build_rack_env(request)
status, headers, response = @app.call(env)
Response.new(
:body => body_from_rack_response(response),
:headers => headers,
:status => status
)
end
def body_from_rack_response(response)
body = ""
response.each { |line| body << line }
response.close if response.respond_to?(:close)
return body
end
def build_rack_env(request)
uri = request.uri
headers = request.headers || {}
body = request.body || ''
env = {
# CGI variables specified by Rack
'REQUEST_METHOD' => request.method.to_s.upcase,
'CONTENT_TYPE' => headers.delete('Content-Type'),
'CONTENT_LENGTH' => body.size,
'PATH_INFO' => uri.path,
'QUERY_STRING' => uri.query || '',
'SERVER_NAME' => uri.host
}
env['HTTP_AUTHORIZATION'] = 'Basic ' + [uri.userinfo].pack('m').delete("\r\n") if uri.userinfo
# Rack-specific variables
env['rack.input'] = StringIO.new(body)
env['rack.version'] = Rack::VERSION
env['rack.url_scheme'] = uri.scheme
env['rack.run_once'] = true
env['rack.session'] = session
headers.each do |k, v|
env["HTTP_#{k.tr('-','_').upcase}"] = v
end
env
end
def session
@session ||= {}
end
end
end
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