require 'spec_helper' require 'nokogiri' describe Rack::LiveReload do let(:middleware) { described_class.new(app, options) } let(:app) { stub } subject { middleware } its(:app) { should == app } let(:env) { {} } let(:options) { {} } describe described_class::LIVERELOAD_LOCAL_URI do context 'does not exist' do before do stub_request(:any, 'localhost:35729/livereload.js').to_timeout end it { should use_vendored } end context 'exists' do before do stub_request(:any, 'localhost:35729/livereload.js') end it { should_not use_vendored } end context 'specify vendored' do let(:options) { { :source => :vendored } } it { should use_vendored } end context 'specify LR' do let(:options) { { :source => :livereload } } it { should_not use_vendored } end end context 'not text/html' do let(:ret) { [ 200, { 'Content-Type' => 'image/png' }, [ '' ] ] } before do app.stubs(:call).with(env).returns(ret) end it 'should pass through' do middleware.call(env).should == ret end end context 'unknown Content-Type' do let(:ret) { [ 200, {}, [ 'hey ho' ] ] } before do app.stubs(:call).with(env).returns(ret) end it 'should not break' do middleware.call(env).should_not raise_error(NoMethodError, /You have a nil object/) end end context 'text/html' do before do app.stubs(:call).with(env).returns([ 200, { 'Content-Type' => 'text/html', 'Content-Length' => 0 }, [ page_html ] ]) middleware.stubs(:use_vendored?).returns(true) end let(:host) { 'host' } let(:env) { { 'HTTP_HOST' => host } } let(:ret) { middleware._call(env) } let(:body) { ret.last.join } let(:length) { ret[1]['Content-Length'] } let(:page_html) { '' } context 'vendored' do it 'should add the vendored livereload js script tag' do body.should include("script") body.should include(described_class::LIVERELOAD_JS_PATH) length.should == body.length.to_s described_class::LIVERELOAD_JS_PATH.should_not include(host) body.should include('swfobject') body.should include('web_socket') end end context 'before script tags' do let(:page_html) { '' } let(:body_dom) { Nokogiri::XML(body) } it 'should add the livereload js script tag before all other script tags' do body_dom.at_css("script:eq(4)")[:src].should include(described_class::LIVERELOAD_JS_PATH) body_dom.at_css("script:last-child")[:insert].should == "before" end end context 'not vendored' do before do middleware.stubs(:use_vendored?).returns(false) end it 'should add the LR livereload js script tag' do body.should include("script") body.should include(described_class::LIVERELOAD_LOCAL_URI.gsub('localhost', 'host')) end end context 'set options' do let(:middleware) { described_class.new(app, :host => new_host, :port => port, :min_delay => min_delay, :max_delay => max_delay) } let(:min_delay) { 5 } let(:max_delay) { 10 } let(:port) { 23 } let(:new_host) { 'myhost' } it 'should add the livereload.js script tag' do body.should include("mindelay=#{min_delay}") body.should include("maxdelay=#{max_delay}") body.should include("port=#{port}") body.should include("host=#{new_host}") end end context 'force flash' do let(:middleware) { described_class.new(app, :force_swf => true) } it 'should not add the flash shim' do body.should include('WEB_SOCKET_FORCE_FLASH') body.should include('swfobject') body.should include('web_socket') end end context 'no flash' do let(:middleware) { described_class.new(app, :no_swf => true) } it 'should not add the flash shim' do body.should_not include('swfobject') body.should_not include('web_socket') end end context 'no host at all' do let(:env) { {} } it 'should use localhost' do body.should include('localhost') end end context 'ignored' do let(:options) { { :ignore => [ %r{file} ] } } context 'not root' do let(:env) { { 'PATH_INFO' => '/this/file' } } it 'should have no change' do body.should_not include('script') end end context 'root' do let(:env) { { 'PATH_INFO' => '/' } } it 'should have script' do body.should include('script') end end end end context '/__rack/livereload.js' do let(:env) { { 'PATH_INFO' => described_class::LIVERELOAD_JS_PATH } } before do middleware.expects(:deliver_file).returns(true) end it 'should return the js file' do middleware._call(env).should be_true end end describe '#ignored?' do let(:path_info) { 'path info' } context 'no ignore set' do it { should_not be_ignored(path_info) } end context 'ignore set' do let(:options) { { :ignore => [ %r{#{path_info}} ] } } it { should be_ignored(path_info) } end end describe '#bad_browser?' do let(:user_agent) { described_class::BAD_USER_AGENTS.first.source } it { should be_bad_browser(user_agent) } end end