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module Shoulda # :nodoc:
module ActionController # :nodoc:
module Matchers
# Ensures that requesting +path+ using +method+ routes to +options+.
#
# If you don't specify a controller, it will use the controller from the
# example group.
#
# +to_param+ is called on the +options+ given.
#
# Examples:
#
# it { should route(:get, "/posts").
# to(:controller => :posts, :action => :index) }
# it { should route(:get, "/posts/new").to(:action => :new) }
# it { should route(:post, "/posts").to(:action => :create) }
# it { should route(:get, "/posts/1").to(:action => :show, :id => 1) }
# it { should route(:edit, "/posts/1").to(:action => :show, :id => 1) }
# it { should route(:put, "/posts/1").to(:action => :update, :id => 1) }
# it { should route(:delete, "/posts/1").
# to(:action => :destroy, :id => 1) }
# it { should route(:get, "/users/1/posts/1").
# to(:action => :show, :id => 1, :user_id => 1) }
def route(method, path)
RouteMatcher.new(method, path, self)
end
class RouteMatcher # :nodoc:
def initialize(method, path, context)
@method = method
@path = path
@context = context
end
def to(params)
@params = params
self
end
def in_context(context)
@context = context
self
end
def matches?(controller)
@controller = controller
guess_controller!
stringify_params!
route_recognized?
end
attr_reader :failure_message, :negative_failure_message
def description
"route #{@method.to_s.upcase} #{@path} to/from #{@params.inspect}"
end
private
def guess_controller!
@params[:controller] ||= @controller.controller_path
end
def stringify_params!
@params.each do |key, value|
@params[key] = value.is_a?(Array) ? value.collect {|v| v.to_param } : value.to_param
end
end
def route_recognized?
begin
@context.send(:assert_routing,
{ :method => @method, :path => @path },
@params)
@negative_failure_message = "Didn't expect to #{description}"
true
rescue ::ActionController::RoutingError => error
@failure_message = error.message
false
rescue Test::Unit::AssertionFailedError => error
@failure_message = error.message
false
end
end
end
end
end
end
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