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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6470 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
99 lines
No EOL
5.2 KiB
Ruby
99 lines
No EOL
5.2 KiB
Ruby
module ActionController
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module Assertions
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module RoutingAssertions
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# Asserts that the routing of the given path was handled correctly and that the parsed options match.
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#
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# assert_recognizes({:controller => 'items', :action => 'index'}, 'items') # check the default action
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# assert_recognizes({:controller => 'items', :action => 'list'}, 'items/list') # check a specific action
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# assert_recognizes({:controller => 'items', :action => 'list', :id => '1'}, 'items/list/1') # check an action with a parameter
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#
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# Pass a hash in the second argument to specify the request method. This is useful for routes
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# requiring a specific HTTP method. The hash should contain a :path with the incoming request path
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# and a :method containing the required HTTP verb.
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#
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# # assert that POSTing to /items will call the create action on ItemsController
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# assert_recognizes({:controller => 'items', :action => 'create'}, {:path => 'items', :method => :post})
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#
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# You can also pass in "extras" with a hash containing URL parameters that would normally be in the query string. This can be used
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# to assert that values in the query string string will end up in the params hash correctly. To test query strings you must use the
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# extras argument, appending the query string on the path directly will not work. For example:
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#
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# # assert that a path of '/items/list/1?view=print' returns the correct options
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# assert_recognizes({:controller => 'items', :action => 'list', :id => '1', :view => 'print'}, 'items/list/1', { :view => "print" })
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def assert_recognizes(expected_options, path, extras={}, message=nil)
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if path.is_a? Hash
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request_method = path[:method]
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path = path[:path]
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else
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request_method = nil
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end
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clean_backtrace do
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ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty?
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request = recognized_request_for(path, request_method)
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expected_options = expected_options.clone
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extras.each_key { |key| expected_options.delete key } unless extras.nil?
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expected_options.stringify_keys!
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routing_diff = expected_options.diff(request.path_parameters)
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msg = build_message(message, "The recognized options <?> did not match <?>, difference: <?>",
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request.path_parameters, expected_options, expected_options.diff(request.path_parameters))
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assert_block(msg) { request.path_parameters == expected_options }
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end
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end
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# Asserts that the provided options can be used to generate the provided path. This is the inverse of assert_recognizes.
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# For example:
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#
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# assert_generates("/items", :controller => "items", :action => "index")
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# assert_generates("/items/list", :controller => "items", :action => "list")
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# assert_generates("/items/list/1", { :controller => "items", :action => "list", :id => "1" })
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def assert_generates(expected_path, options, defaults={}, extras = {}, message=nil)
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clean_backtrace do
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expected_path = "/#{expected_path}" unless expected_path[0] == ?/
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# Load routes.rb if it hasn't been loaded.
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ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty?
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generated_path, extra_keys = ActionController::Routing::Routes.generate_extras(options, defaults)
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found_extras = options.reject {|k, v| ! extra_keys.include? k}
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msg = build_message(message, "found extras <?>, not <?>", found_extras, extras)
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assert_block(msg) { found_extras == extras }
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msg = build_message(message, "The generated path <?> did not match <?>", generated_path,
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expected_path)
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assert_block(msg) { expected_path == generated_path }
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end
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end
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# Asserts that path and options match both ways; in other words, the URL generated from
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# options is the same as path, and also that the options recognized from path are the same as options. This
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# essentially combines assert_recognizes and assert_generates into one step.
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def assert_routing(path, options, defaults={}, extras={}, message=nil)
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assert_recognizes(options, path, extras, message)
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controller, default_controller = options[:controller], defaults[:controller]
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if controller && controller.include?(?/) && default_controller && default_controller.include?(?/)
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options[:controller] = "/#{controller}"
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end
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assert_generates(path, options, defaults, extras, message)
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end
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private
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# Recognizes the route for a given path.
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def recognized_request_for(path, request_method = nil)
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path = "/#{path}" unless path.first == '/'
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# Assume given controller
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request = ActionController::TestRequest.new({}, {}, nil)
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request.env["REQUEST_METHOD"] = request_method.to_s.upcase if request_method
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request.path = path
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ActionController::Routing::Routes.recognize(request)
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request
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end
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end
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end
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end |