require 'rack/handler' class Rack::Handler::Lobster; end class RockLobster; end describe Rack::Handler do it "has registered default handlers" do Rack::Handler.get('cgi').should.equal Rack::Handler::CGI Rack::Handler.get('webrick').should.equal Rack::Handler::WEBrick begin Rack::Handler.get('fastcgi').should.equal Rack::Handler::FastCGI rescue LoadError end begin Rack::Handler.get('mongrel').should.equal Rack::Handler::Mongrel rescue LoadError end end should "raise LoadError if handler doesn't exist" do lambda { Rack::Handler.get('boom') }.should.raise(LoadError) lambda { Rack::Handler.get('Object') }.should.raise(LoadError) end should "get unregistered, but already required, handler by name" do Rack::Handler.get('Lobster').should.equal Rack::Handler::Lobster end should "register custom handler" do Rack::Handler.register('rock_lobster', 'RockLobster') Rack::Handler.get('rock_lobster').should.equal RockLobster end should "not need registration for properly coded handlers even if not already required" do begin $LOAD_PATH.push File.expand_path('../unregistered_handler', __FILE__) Rack::Handler.get('Unregistered').should.equal Rack::Handler::Unregistered lambda { Rack::Handler.get('UnRegistered') }.should.raise LoadError Rack::Handler.get('UnregisteredLongOne').should.equal Rack::Handler::UnregisteredLongOne ensure $LOAD_PATH.delete File.expand_path('../unregistered_handler', __FILE__) end end should "allow autoloaded handlers to be registered properly while being loaded" do path = File.expand_path('../registering_handler', __FILE__) begin $LOAD_PATH.push path Rack::Handler.get('registering_myself').should.equal Rack::Handler::RegisteringMyself ensure $LOAD_PATH.delete path end end end