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copied!<p>UPDATE : </p> <p>After investigating the rails testing source code I came up with the following :</p> <pre><code>def process_with_query(action, query_string="", parameters = nil, session = nil, flash = nil, http_method = 'GET') # Sanity check for required instance variables so we can give an # understandable error message. %w(@routes @controller @request @response).each do |iv_name| if !(instance_variable_names.include?(iv_name) || instance_variable_names.include?(iv_name.to_sym)) || instance_variable_get(iv_name).nil? raise "#{iv_name} is nil: make sure you set it in your test's setup method." end end @request.recycle! @response.recycle! @controller.response_body = nil @controller.formats = nil @controller.params = nil @html_document = nil @request.env['REQUEST_METHOD'] = http_method parameters ||= {} @request.assign_parameters(@routes, @controller.class.name.underscore.sub(/_controller$/, ''), action.to_s, parameters) @request.session = ActionController::TestSession.new(session) unless session.nil? @request.session["flash"] = @request.flash.update(flash || {}) @request.session["flash"].sweep @controller.request = @request @controller.params.merge!(parameters) build_request_uri(action, parameters) @request.env["QUERY_STRING"] = query_string.kind_of?(Hash) ? query_string.to_param : query_string @request.env["action_dispatch.request.query_parameters"] = Rack::Utils.parse_query(@request.env["QUERY_STRING"]) ActionController::Base.class_eval { include ActionController::Testing } @controller.process_with_new_base_test(@request, @response) @request.session.delete('flash') if @request.session['flash'].blank? @response end def put_with_query(action, query_string="", parameters=nil, session=nil, flash=nil) process_with_query(action, query_string, parameters, session, flash, 'PUT') end def post_with_query(action, query_string="", parameters=nil, session=nil, flash=nil) process_with_query(action, query_string, parameters, session, flash, 'POST') end </code></pre> <p>Any comments?</p>

Querying!

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