2013-04-23 20:28:23 +00:00
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require 'spec_helper'
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require 'nokogiri'
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describe Rack::LiveReload::BodyProcessor do
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describe 'head tag regex' do
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let(:regex) { described_class::HEAD_TAG_REGEX }
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subject { regex }
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it { should be_kind_of(Regexp) }
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it 'only picks a valid <head> tag' do
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regex.match("<head></head>").to_s.should eq('<head>')
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regex.match("<head><title></title></head>").to_s.should eq('<head>')
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regex.match("<head attribute='something'><title></title></head>").to_s.should eq("<head attribute='something'>")
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end
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it 'responds false when no head tag' do
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2015-07-03 16:20:54 +00:00
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regex.match("<header></header>").should be_falsey
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2013-04-23 20:28:23 +00:00
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end
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end
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let(:processor) { described_class.new(body, options) }
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let(:body) { [ page_html ] }
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let(:options) { {} }
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let(:page_html) { '<head></head>' }
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let(:processor_result) do
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if !processor.processed?
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processor.process!(env)
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end
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processor
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end
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subject { processor }
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describe "livereload local uri" do
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context 'does not exist' do
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before do
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stub_request(:any, 'localhost:35729/livereload.js').to_timeout
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end
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it { should use_vendored }
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end
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context 'exists' do
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before do
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stub_request(:any, 'localhost:35729/livereload.js')
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end
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it { should_not use_vendored }
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end
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context 'with custom port' do
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let(:options) { {:live_reload_port => '12348'}}
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context 'exists' do
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before do
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stub_request(:any, 'localhost:12348/livereload.js')
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end
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it { should_not use_vendored }
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end
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end
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context 'specify vendored' do
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let(:options) { { :source => :vendored } }
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it { should use_vendored }
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end
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context 'specify LR' do
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let(:options) { { :source => :livereload } }
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it { should_not use_vendored }
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end
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end
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context 'text/html' do
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before do
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processor.stubs(:use_vendored?).returns(true)
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end
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let(:host) { 'host' }
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let(:env) { { 'HTTP_HOST' => host } }
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let(:processed_body) { processor_result.new_body.join('') }
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let(:length) { processor_result.content_length }
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let(:page_html) { '<head></head>' }
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context 'vendored' do
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it 'should add the vendored livereload js script tag' do
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processed_body.should include("script")
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processed_body.should include(described_class::LIVERELOAD_JS_PATH)
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length.to_s.should == processed_body.length.to_s
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described_class::LIVERELOAD_JS_PATH.should_not include(host)
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processed_body.should include('swfobject')
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processed_body.should include('web_socket')
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end
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end
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context 'at the top of the head tag' do
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let(:page_html) { '<head attribute="attribute"><script type="text/javascript" insert="first"></script><script type="text/javascript" insert="before"></script></head>' }
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let(:body_dom) { Nokogiri::XML(processed_body) }
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it 'should add the livereload js script tag before all other script tags' do
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body_dom.at_css("head")[:attribute].should == 'attribute'
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body_dom.at_css("script:eq(5)")[:src].should include(described_class::LIVERELOAD_JS_PATH)
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body_dom.at_css("script:last-child")[:insert].should == "before"
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end
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context 'when a relative URL root is specified' do
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before do
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ENV['RAILS_RELATIVE_URL_ROOT'] = '/a_relative_path'
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end
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it 'should prepend the relative path to the script src' do
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body_dom.at_css("script:eq(5)")[:src].should match(%r{^/a_relative_path/})
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end
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end
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end
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describe "LIVERELOAD_PORT value" do
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let(:options) { { :live_reload_port => 12345 }}
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it "sets the variable at the top of the file" do
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processed_body.should include 'RACK_LIVERELOAD_PORT = 12345'
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end
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end
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context 'in header tags' do
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let(:page_html) { "<header class='hero'><h1>Just a normal header tag</h1></header>" }
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let(:body_dom) { Nokogiri::XML(processed_body) }
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it 'should not add the livereload js' do
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body_dom.at_css("header")[:class].should == 'hero'
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body_dom.css('script').should be_empty
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end
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end
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context 'not vendored' do
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before do
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processor.stubs(:use_vendored?).returns(false)
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end
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it 'should add the LR livereload js script tag' do
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processed_body.should include("script")
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processed_body.should include(processor.livereload_local_uri.gsub('localhost', 'host'))
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end
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end
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context 'set options' do
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let(:options) { { :host => new_host, :port => port, :min_delay => min_delay, :max_delay => max_delay } }
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let(:min_delay) { 5 }
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let(:max_delay) { 10 }
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let(:port) { 23 }
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let(:new_host) { 'myhost' }
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it 'should add the livereload.js script tag' do
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processed_body.should include("mindelay=#{min_delay}")
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processed_body.should include("maxdelay=#{max_delay}")
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processed_body.should include("port=#{port}")
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processed_body.should include("host=#{new_host}")
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end
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end
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context 'force flash' do
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let(:options) { { :force_swf => true } }
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it 'should not add the flash shim' do
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processed_body.should include('WEB_SOCKET_FORCE_FLASH')
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processed_body.should include('swfobject')
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processed_body.should include('web_socket')
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end
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end
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context 'no flash' do
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let(:options) { { :no_swf => true } }
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it 'should not add the flash shim' do
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processed_body.should_not include('swfobject')
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processed_body.should_not include('web_socket')
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end
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end
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context 'no host at all' do
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let(:env) { {} }
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it 'should use localhost' do
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processed_body.should include('localhost')
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end
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end
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end
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end
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