JezK
Edit File: spec_rack_session_memcache.rb
require 'test/spec' begin require 'rack/session/memcache' require 'rack/mock' require 'rack/response' require 'thread' context "Rack::Session::Memcache" do session_key = Rack::Session::Memcache::DEFAULT_OPTIONS[:key] session_match = /#{session_key}=[0-9a-fA-F]+;/ incrementor = lambda do |env| env["rack.session"]["counter"] ||= 0 env["rack.session"]["counter"] += 1 Rack::Response.new(env["rack.session"].inspect).to_a end drop_session = proc do |env| env['rack.session.options'][:drop] = true incrementor.call(env) end renew_session = proc do |env| env['rack.session.options'][:renew] = true incrementor.call(env) end defer_session = proc do |env| env['rack.session.options'][:defer] = true incrementor.call(env) end specify "MemCache can connect to existing server" do test_pool = MemCache.new :namespace => 'test:rack:session' end specify "faults on no connection" do lambda do Rack::Session::Memcache.new(incrementor, :memcache_server => '') end.should.raise end specify "creates a new cookie" do pool = Rack::Session::Memcache.new(incrementor) res = Rack::MockRequest.new(pool).get("/") res["Set-Cookie"].should.match("#{session_key}=") res.body.should.equal '{"counter"=>1}' end specify "determines session from a cookie" do pool = Rack::Session::Memcache.new(incrementor) req = Rack::MockRequest.new(pool) res = req.get("/") cookie = res["Set-Cookie"] req.get("/", "HTTP_COOKIE" => cookie). body.should.equal '{"counter"=>2}' req.get("/", "HTTP_COOKIE" => cookie). body.should.equal '{"counter"=>3}' end specify "survives nonexistant cookies" do bad_cookie = "rack.session=blarghfasel" pool = Rack::Session::Memcache.new(incrementor) res = Rack::MockRequest.new(pool). get("/", "HTTP_COOKIE" => bad_cookie) res.body.should.equal '{"counter"=>1}' cookie = res["Set-Cookie"][session_match] cookie.should.not.match(/#{bad_cookie}/) end specify "maintains freshness" do pool = Rack::Session::Memcache.new(incrementor, :expire_after => 3) res = Rack::MockRequest.new(pool).get('/') res.body.should.include '"counter"=>1' cookie = res["Set-Cookie"] res = Rack::MockRequest.new(pool).get('/', "HTTP_COOKIE" => cookie) res["Set-Cookie"].should.equal cookie res.body.should.include '"counter"=>2' puts 'Sleeping to expire session' if $DEBUG sleep 4 res = Rack::MockRequest.new(pool).get('/', "HTTP_COOKIE" => cookie) res["Set-Cookie"].should.not.equal cookie res.body.should.include '"counter"=>1' end specify "deletes cookies with :drop option" do pool = Rack::Session::Memcache.new(incrementor) req = Rack::MockRequest.new(pool) drop = Rack::Utils::Context.new(pool, drop_session) dreq = Rack::MockRequest.new(drop) res0 = req.get("/") session = (cookie = res0["Set-Cookie"])[session_match] res0.body.should.equal '{"counter"=>1}' res1 = req.get("/", "HTTP_COOKIE" => cookie) res1["Set-Cookie"][session_match].should.equal session res1.body.should.equal '{"counter"=>2}' res2 = dreq.get("/", "HTTP_COOKIE" => cookie) res2["Set-Cookie"].should.equal nil res2.body.should.equal '{"counter"=>3}' res3 = req.get("/", "HTTP_COOKIE" => cookie) res3["Set-Cookie"][session_match].should.not.equal session res3.body.should.equal '{"counter"=>1}' end specify "provides new session id with :renew option" do pool = Rack::Session::Memcache.new(incrementor) req = Rack::MockRequest.new(pool) renew = Rack::Utils::Context.new(pool, renew_session) rreq = Rack::MockRequest.new(renew) res0 = req.get("/") session = (cookie = res0["Set-Cookie"])[session_match] res0.body.should.equal '{"counter"=>1}' res1 = req.get("/", "HTTP_COOKIE" => cookie) res1["Set-Cookie"][session_match].should.equal session res1.body.should.equal '{"counter"=>2}' res2 = rreq.get("/", "HTTP_COOKIE" => cookie) new_cookie = res2["Set-Cookie"] new_session = new_cookie[session_match] new_session.should.not.equal session res2.body.should.equal '{"counter"=>3}' res3 = req.get("/", "HTTP_COOKIE" => new_cookie) res3["Set-Cookie"][session_match].should.equal new_session res3.body.should.equal '{"counter"=>4}' end specify "omits cookie with :defer option" do pool = Rack::Session::Memcache.new(incrementor) req = Rack::MockRequest.new(pool) defer = Rack::Utils::Context.new(pool, defer_session) dreq = Rack::MockRequest.new(defer) res0 = req.get("/") session = (cookie = res0["Set-Cookie"])[session_match] res0.body.should.equal '{"counter"=>1}' res1 = req.get("/", "HTTP_COOKIE" => cookie) res1["Set-Cookie"][session_match].should.equal session res1.body.should.equal '{"counter"=>2}' res2 = dreq.get("/", "HTTP_COOKIE" => cookie) res2["Set-Cookie"].should.equal nil res2.body.should.equal '{"counter"=>3}' res3 = req.get("/", "HTTP_COOKIE" => cookie) res3["Set-Cookie"][session_match].should.equal session res3.body.should.equal '{"counter"=>4}' end # anyone know how to do this better? specify "multithread: should cleanly merge sessions" do next unless $DEBUG warn 'Running multithread test for Session::Memcache' pool = Rack::Session::Memcache.new(incrementor) req = Rack::MockRequest.new(pool) res = req.get('/') res.body.should.equal '{"counter"=>1}' cookie = res["Set-Cookie"] sess_id = cookie[/#{pool.key}=([^,;]+)/,1] delta_incrementor = lambda do |env| # emulate disconjoinment of threading env['rack.session'] = env['rack.session'].dup Thread.stop env['rack.session'][(Time.now.usec*rand).to_i] = true incrementor.call(env) end tses = Rack::Utils::Context.new pool, delta_incrementor treq = Rack::MockRequest.new(tses) tnum = rand(7).to_i+5 r = Array.new(tnum) do Thread.new(treq) do |run| run.get('/', "HTTP_COOKIE" => cookie, 'rack.multithread' => true) end end.reverse.map{|t| t.run.join.value } r.each do |res| res['Set-Cookie'].should.equal cookie res.body.should.include '"counter"=>2' end session = pool.pool.get(sess_id) session.size.should.be tnum+1 # counter session['counter'].should.be 2 # meeeh tnum = rand(7).to_i+5 r = Array.new(tnum) do |i| delta_time = proc do |env| env['rack.session'][i] = Time.now Thread.stop env['rack.session'] = env['rack.session'].dup env['rack.session'][i] -= Time.now incrementor.call(env) end app = Rack::Utils::Context.new pool, time_delta req = Rack::MockRequest.new app Thread.new(req) do |run| run.get('/', "HTTP_COOKIE" => cookie, 'rack.multithread' => true) end end.reverse.map{|t| t.run.join.value } r.each do |res| res['Set-Cookie'].should.equal cookie res.body.should.include '"counter"=>3' end session = pool.pool.get(sess_id) session.size.should.be tnum+1 session['counter'].should.be 3 drop_counter = proc do |env| env['rack.session'].delete 'counter' env['rack.session']['foo'] = 'bar' [200, {'Content-Type'=>'text/plain'}, env['rack.session'].inspect] end tses = Rack::Utils::Context.new pool, drop_counter treq = Rack::MockRequest.new(tses) tnum = rand(7).to_i+5 r = Array.new(tnum) do Thread.new(treq) do |run| run.get('/', "HTTP_COOKIE" => cookie, 'rack.multithread' => true) end end.reverse.map{|t| t.run.join.value } r.each do |res| res['Set-Cookie'].should.equal cookie res.body.should.include '"foo"=>"bar"' end session = pool.pool.get(sess_id) session.size.should.be r.size+1 session['counter'].should.be.nil? session['foo'].should.equal 'bar' end end rescue LoadError $stderr.puts "Skipping Rack::Session::Memcache tests (Memcache is required). `gem install memcache-client` and try again." end