508 lines
14 KiB
Ruby
508 lines
14 KiB
Ruby
require File.dirname(__FILE__) + '/assertions'
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module ActionController #:nodoc:
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class Base
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# Process a test request called with a +TestRequest+ object.
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def self.process_test(request)
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new.process_test(request)
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end
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def process_test(request) #:nodoc:
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process(request, TestResponse.new)
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end
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def process_with_test(*args)
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returning process_without_test(*args) do
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add_variables_to_assigns
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end
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end
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alias_method_chain :process, :test
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end
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class TestRequest < AbstractRequest #:nodoc:
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attr_accessor :cookies, :session_options
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attr_accessor :query_parameters, :request_parameters, :path, :session, :env
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attr_accessor :host
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attr_reader :request_uri_overridden
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def initialize(query_parameters = nil, request_parameters = nil, session = nil)
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@query_parameters = query_parameters || {}
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@request_parameters = request_parameters || {}
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@session = session || TestSession.new
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initialize_containers
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initialize_default_values
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super()
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end
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def reset_session
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@session = TestSession.new
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end
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def raw_post
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if raw_post = env['RAW_POST_DATA']
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raw_post
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else
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params = self.request_parameters.dup
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%w(controller action only_path).each do |k|
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params.delete(k)
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params.delete(k.to_sym)
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end
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params.map { |k,v| [ CGI.escape(k.to_s), CGI.escape(v.to_s) ].join('=') }.sort.join('&')
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end
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end
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def port=(number)
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@env["SERVER_PORT"] = number.to_i
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@port_as_int = nil
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end
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def action=(action_name)
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@query_parameters.update({ "action" => action_name })
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@parameters = nil
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end
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# Used to check AbstractRequest's request_uri functionality.
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# Disables the use of @path and @request_uri so superclass can handle those.
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def set_REQUEST_URI(value)
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@request_uri_overridden = true
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@env["REQUEST_URI"] = value
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@request_uri = nil
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@path = nil
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end
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def request_uri=(uri)
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@env["REQUEST_URI"] = uri
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@request_uri = uri
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@path = uri.split("?").first
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end
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def accept=(mime_types)
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@env["HTTP_ACCEPT"] = Array(mime_types).collect { |mime_types| mime_types.to_s }.join(",")
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end
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def remote_addr=(addr)
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@env['REMOTE_ADDR'] = addr
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end
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def remote_addr
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@env['REMOTE_ADDR']
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end
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def request_uri
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@request_uri || super()
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end
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def path
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@path || super()
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end
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def assign_parameters(controller_path, action, parameters)
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parameters = parameters.symbolize_keys.merge(:controller => controller_path, :action => action)
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extra_keys = ActionController::Routing::Routes.extra_keys(parameters)
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non_path_parameters = get? ? query_parameters : request_parameters
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parameters.each do |key, value|
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if value.is_a? Fixnum
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value = value.to_s
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elsif value.is_a? Array
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value = ActionController::Routing::PathSegment::Result.new(value)
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end
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if extra_keys.include?(key.to_sym)
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non_path_parameters[key] = value
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else
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path_parameters[key.to_s] = value
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end
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end
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@parameters = nil # reset TestRequest#parameters to use the new path_parameters
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end
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def recycle!
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self.request_parameters = {}
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self.query_parameters = {}
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self.path_parameters = {}
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@request_method, @accepts, @content_type = nil, nil, nil
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end
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private
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def initialize_containers
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@env, @cookies = {}, {}
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end
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def initialize_default_values
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@host = "test.host"
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@request_uri = "/"
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self.remote_addr = "0.0.0.0"
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@env["SERVER_PORT"] = 80
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@env['REQUEST_METHOD'] = "GET"
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end
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end
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# A refactoring of TestResponse to allow the same behavior to be applied
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# to the "real" CgiResponse class in integration tests.
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module TestResponseBehavior #:nodoc:
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# the response code of the request
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def response_code
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headers['Status'][0,3].to_i rescue 0
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end
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# returns a String to ensure compatibility with Net::HTTPResponse
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def code
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headers['Status'].to_s.split(' ')[0]
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end
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def message
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headers['Status'].to_s.split(' ',2)[1]
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end
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# was the response successful?
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def success?
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response_code == 200
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end
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# was the URL not found?
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def missing?
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response_code == 404
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end
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# were we redirected?
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def redirect?
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(300..399).include?(response_code)
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end
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# was there a server-side error?
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def error?
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(500..599).include?(response_code)
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end
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alias_method :server_error?, :error?
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# returns the redirection location or nil
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def redirect_url
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headers['Location']
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end
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# does the redirect location match this regexp pattern?
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def redirect_url_match?( pattern )
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return false if redirect_url.nil?
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p = Regexp.new(pattern) if pattern.class == String
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p = pattern if pattern.class == Regexp
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return false if p.nil?
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p.match(redirect_url) != nil
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end
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# returns the template path of the file which was used to
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# render this response (or nil)
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def rendered_file(with_controller=false)
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unless template.first_render.nil?
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unless with_controller
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template.first_render
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else
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template.first_render.split('/').last || template.first_render
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end
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end
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end
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# was this template rendered by a file?
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def rendered_with_file?
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!rendered_file.nil?
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end
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# a shortcut to the flash (or an empty hash if no flash.. hey! that rhymes!)
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def flash
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session['flash'] || {}
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end
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# do we have a flash?
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def has_flash?
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!session['flash'].empty?
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end
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# do we have a flash that has contents?
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def has_flash_with_contents?
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!flash.empty?
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end
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# does the specified flash object exist?
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def has_flash_object?(name=nil)
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!flash[name].nil?
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end
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# does the specified object exist in the session?
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def has_session_object?(name=nil)
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!session[name].nil?
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end
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# a shortcut to the template.assigns
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def template_objects
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template.assigns || {}
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end
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# does the specified template object exist?
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def has_template_object?(name=nil)
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!template_objects[name].nil?
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end
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# Returns the response cookies, converted to a Hash of (name => CGI::Cookie) pairs
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# Example:
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#
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# assert_equal ['AuthorOfNewPage'], r.cookies['author'].value
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def cookies
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headers['cookie'].inject({}) { |hash, cookie| hash[cookie.name] = cookie; hash }
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end
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# Returns binary content (downloadable file), converted to a String
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def binary_content
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raise "Response body is not a Proc: #{body.inspect}" unless body.kind_of?(Proc)
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require 'stringio'
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sio = StringIO.new
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begin
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$stdout = sio
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body.call
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ensure
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$stdout = STDOUT
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end
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sio.rewind
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sio.read
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end
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end
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class TestResponse < AbstractResponse #:nodoc:
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include TestResponseBehavior
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end
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class TestSession #:nodoc:
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attr_accessor :session_id
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def initialize(attributes = nil)
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@session_id = ''
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@attributes = attributes
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@saved_attributes = nil
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end
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def data
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@attributes ||= @saved_attributes || {}
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end
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def [](key)
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data[key]
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end
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def []=(key, value)
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data[key] = value
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end
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def update
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@saved_attributes = @attributes
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end
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def delete
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@attributes = nil
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end
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def close
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update
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delete
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end
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end
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# Essentially generates a modified Tempfile object similar to the object
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# you'd get from the standard library CGI module in a multipart
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# request. This means you can use an ActionController::TestUploadedFile
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# object in the params of a test request in order to simulate
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# a file upload.
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#
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# Usage example, within a functional test:
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# post :change_avatar, :avatar => ActionController::TestUploadedFile.new(Test::Unit::TestCase.fixture_path + '/files/spongebob.png', 'image/png')
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require 'tempfile'
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class TestUploadedFile
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# The filename, *not* including the path, of the "uploaded" file
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attr_reader :original_filename
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# The content type of the "uploaded" file
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attr_reader :content_type
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def initialize(path, content_type = 'text/plain')
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raise "#{path} file does not exist" unless File.exist?(path)
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@content_type = content_type
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@original_filename = path.sub(/^.*#{File::SEPARATOR}([^#{File::SEPARATOR}]+)$/) { $1 }
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@tempfile = Tempfile.new(@original_filename)
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FileUtils.copy_file(path, @tempfile.path)
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end
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def path #:nodoc:
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@tempfile.path
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end
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alias local_path path
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def method_missing(method_name, *args, &block) #:nodoc:
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@tempfile.send(method_name, *args, &block)
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end
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end
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module TestProcess
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def self.included(base)
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# execute the request simulating a specific http method and set/volley the response
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%w( get post put delete head ).each do |method|
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base.class_eval <<-EOV, __FILE__, __LINE__
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def #{method}(action, parameters = nil, session = nil, flash = nil)
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@request.env['REQUEST_METHOD'] = "#{method.upcase}" if defined?(@request)
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process(action, parameters, session, flash)
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end
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EOV
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end
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end
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# execute the request and set/volley the response
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def process(action, parameters = nil, session = nil, flash = nil)
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# Sanity check for required instance variables so we can give an
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# understandable error message.
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%w(@controller @request @response).each do |iv_name|
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if !instance_variables.include?(iv_name) || instance_variable_get(iv_name).nil?
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raise "#{iv_name} is nil: make sure you set it in your test's setup method."
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end
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end
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@request.recycle!
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@html_document = nil
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@request.env['REQUEST_METHOD'] ||= "GET"
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@request.action = action.to_s
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parameters ||= {}
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@request.assign_parameters(@controller.class.controller_path, action.to_s, parameters)
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@request.session = ActionController::TestSession.new(session) unless session.nil?
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@request.session["flash"] = ActionController::Flash::FlashHash.new.update(flash) if flash
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build_request_uri(action, parameters)
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@controller.process(@request, @response)
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end
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def xml_http_request(request_method, action, parameters = nil, session = nil, flash = nil)
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@request.env['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest'
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@request.env['HTTP_ACCEPT'] = 'text/javascript, text/html, application/xml, text/xml, */*'
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returning self.send(request_method, action, parameters, session, flash) do
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@request.env.delete 'HTTP_X_REQUESTED_WITH'
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@request.env.delete 'HTTP_ACCEPT'
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end
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end
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alias xhr :xml_http_request
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def follow_redirect
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redirected_controller = @response.redirected_to[:controller]
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if redirected_controller && redirected_controller != @controller.controller_name
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raise "Can't follow redirects outside of current controller (from #{@controller.controller_name} to #{redirected_controller})"
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end
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get(@response.redirected_to.delete(:action), @response.redirected_to.stringify_keys)
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end
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def assigns(key = nil)
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if key.nil?
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@response.template.assigns
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else
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@response.template.assigns[key.to_s]
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end
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end
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def session
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@response.session
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end
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def flash
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@response.flash
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end
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def cookies
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@response.cookies
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end
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def redirect_to_url
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@response.redirect_url
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end
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def build_request_uri(action, parameters)
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unless @request.request_uri_overridden
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options = @controller.send(:rewrite_options, parameters)
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options.update(:only_path => true, :action => action)
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url = ActionController::UrlRewriter.new(@request, parameters)
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@request.request_uri = url.rewrite(options)
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end
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end
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def html_document
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@html_document ||= HTML::Document.new(@response.body)
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end
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def find_tag(conditions)
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html_document.find(conditions)
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end
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def find_all_tag(conditions)
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html_document.find_all(conditions)
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end
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def method_missing(selector, *args)
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return @controller.send(selector, *args) if ActionController::Routing::Routes.named_routes.helpers.include?(selector)
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return super
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end
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# Shortcut for ActionController::TestUploadedFile.new(Test::Unit::TestCase.fixture_path + path, type). Example:
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# post :change_avatar, :avatar => fixture_file_upload('/files/spongebob.png', 'image/png')
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def fixture_file_upload(path, mime_type = nil)
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ActionController::TestUploadedFile.new(
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Test::Unit::TestCase.respond_to?(:fixture_path) ? Test::Unit::TestCase.fixture_path + path : path,
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mime_type
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)
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end
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# A helper to make it easier to test different route configurations.
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# This method temporarily replaces ActionController::Routing::Routes
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# with a new RouteSet instance.
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#
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# The new instance is yielded to the passed block. Typically the block
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# will create some routes using map.draw { map.connect ... }:
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#
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# with_routing do |set|
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# set.draw do |map|
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# map.connect ':controller/:action/:id'
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# assert_equal(
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# ['/content/10/show', {}],
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# map.generate(:controller => 'content', :id => 10, :action => 'show')
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# end
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# end
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# end
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#
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def with_routing
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real_routes = ActionController::Routing::Routes
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ActionController::Routing.send :remove_const, :Routes
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temporary_routes = ActionController::Routing::RouteSet.new
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ActionController::Routing.send :const_set, :Routes, temporary_routes
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yield temporary_routes
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ensure
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if ActionController::Routing.const_defined? :Routes
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ActionController::Routing.send(:remove_const, :Routes)
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end
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ActionController::Routing.const_set(:Routes, real_routes) if real_routes
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end
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end
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end
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module Test
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module Unit
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class TestCase #:nodoc:
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include ActionController::TestProcess
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end
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end
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end
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