rack-livereload/spec/rack/livereload/body_processor_spec.rb
2015-07-03 12:20:54 -04:00

201 lines
5.6 KiB
Ruby

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