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require 'thread' require 'rack/lint' require 'rack/mock' require 'rack/session/pool' describe Rack::Session::Pool do session_key = Rack::Session::Pool::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 session_id = Rack::Lint.new(lambda do |env| Rack::Response.new(env["rack.session"].inspect).to_a end) nothing = Rack::Lint.new(lambda do |env| Rack::Response.new("Nothing").to_a end) drop_session = Rack::Lint.new(lambda do |env| env['rack.session.options'][:drop] = true incrementor.call(env) end) renew_session = Rack::Lint.new(lambda do |env| env['rack.session.options'][:renew] = true incrementor.call(env) end) defer_session = Rack::Lint.new(lambda do |env| env['rack.session.options'][:defer] = true incrementor.call(env) end) incrementor = Rack::Lint.new(incrementor) it "creates a new cookie" do pool = Rack::Session::Pool.new(incrementor) res = Rack::MockRequest.new(pool).get("/") res["Set-Cookie"].should.match session_match res.body.should.equal '{"counter"=>1}' end it "determines session from a cookie" do pool = Rack::Session::Pool.new(incrementor) req = Rack::MockRequest.new(pool) cookie = req.get("/")["Set-Cookie"] req.get("/", "HTTP_COOKIE" => cookie). body.should.equal '{"counter"=>2}' req.get("/", "HTTP_COOKIE" => cookie). body.should.equal '{"counter"=>3}' end it "survives nonexistant cookies" do pool = Rack::Session::Pool.new(incrementor) res = Rack::MockRequest.new(pool). get("/", "HTTP_COOKIE" => "#{session_key}=blarghfasel") res.body.should.equal '{"counter"=>1}' end it "does not send the same session id if it did not change" do pool = Rack::Session::Pool.new(incrementor) req = Rack::MockRequest.new(pool) res0 = req.get("/") cookie = res0["Set-Cookie"][session_match] res0.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 1 res1 = req.get("/", "HTTP_COOKIE" => cookie) res1["Set-Cookie"].should.be.nil res1.body.should.equal '{"counter"=>2}' pool.pool.size.should.equal 1 res2 = req.get("/", "HTTP_COOKIE" => cookie) res2["Set-Cookie"].should.be.nil res2.body.should.equal '{"counter"=>3}' pool.pool.size.should.equal 1 end it "deletes cookies with :drop option" do pool = Rack::Session::Pool.new(incrementor) req = Rack::MockRequest.new(pool) drop = Rack::Utils::Context.new(pool, drop_session) dreq = Rack::MockRequest.new(drop) res1 = req.get("/") session = (cookie = res1["Set-Cookie"])[session_match] res1.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 1 res2 = dreq.get("/", "HTTP_COOKIE" => cookie) res2["Set-Cookie"].should.be.nil res2.body.should.equal '{"counter"=>2}' pool.pool.size.should.equal 0 res3 = req.get("/", "HTTP_COOKIE" => cookie) res3["Set-Cookie"][session_match].should.not.equal session res3.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 1 end it "provides new session id with :renew option" do pool = Rack::Session::Pool.new(incrementor) req = Rack::MockRequest.new(pool) renew = Rack::Utils::Context.new(pool, renew_session) rreq = Rack::MockRequest.new(renew) res1 = req.get("/") session = (cookie = res1["Set-Cookie"])[session_match] res1.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 1 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"=>2}' pool.pool.size.should.equal 1 res3 = req.get("/", "HTTP_COOKIE" => new_cookie) res3.body.should.equal '{"counter"=>3}' pool.pool.size.should.equal 1 res4 = req.get("/", "HTTP_COOKIE" => cookie) res4.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 2 end it "omits cookie with :defer option" do pool = Rack::Session::Pool.new(incrementor) defer = Rack::Utils::Context.new(pool, defer_session) dreq = Rack::MockRequest.new(defer) res1 = dreq.get("/") res1["Set-Cookie"].should.equal nil res1.body.should.equal '{"counter"=>1}' pool.pool.size.should.equal 1 end # anyone know how to do this better? it "should merge sessions when multithreaded" do unless $DEBUG 1.should.equal 1 next end warn 'Running multithread tests for Session::Pool' pool = Rack::Session::Pool.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 |resp| resp['Set-Cookie'].should.equal cookie resp.body.should.include '"counter"=>2' end session = pool.pool[sess_id] session.size.should.equal tnum+1 # counter session['counter'].should.equal 2 # meeeh end it "does not return a cookie if cookie was not read/written" do app = Rack::Session::Pool.new(nothing) res = Rack::MockRequest.new(app).get("/") res["Set-Cookie"].should.be.nil end it "does not return a cookie if cookie was not written (only read)" do app = Rack::Session::Pool.new(session_id) res = Rack::MockRequest.new(app).get("/") res["Set-Cookie"].should.be.nil end it "returns even if not read/written if :expire_after is set" do app = Rack::Session::Pool.new(nothing, :expire_after => 3600) res = Rack::MockRequest.new(app).get("/", 'rack.session' => {'not' => 'empty'}) res["Set-Cookie"].should.not.be.nil end it "returns no cookie if no data was written and no session was created previously, even if :expire_after is set" do app = Rack::Session::Pool.new(nothing, :expire_after => 3600) res = Rack::MockRequest.new(app).get("/") res["Set-Cookie"].should.be.nil end end