260 lines
6.8 KiB
Ruby
260 lines
6.8 KiB
Ruby
require 'spec_helper'
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require 'nokogiri'
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describe Rack::LiveReload do
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let(:middleware) { described_class.new(app, options) }
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let(:app) { stub }
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subject { middleware }
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its(:app) { should == app }
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let(:env) { {} }
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let(:options) { {} }
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describe described_class::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 '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 'not text/html' do
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let(:ret) { [ 200, { 'Content-Type' => 'image/png' }, [ '<head></head>' ] ] }
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before do
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app.stubs(:call).with(env).returns(ret)
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end
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it 'should pass through' do
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middleware.call(env).should == ret
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end
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end
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context 'text/event-stram' do
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let(:body) { [ '<head></head>' ] }
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let(:ret) { [ 200, { 'Content-Type' => 'text/event-stream' }, body ] }
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before do
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app.stubs(:call).with(env).returns(ret)
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body.expects(:close).never
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body.stubs(:respond_to?).with(:close).returns(true)
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end
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it 'should pass through' do
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middleware.call(env).should == ret
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end
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end
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context 'unknown Content-Type' do
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let(:ret) { [ 200, {}, [ 'hey ho' ] ] }
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before do
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app.stubs(:call).with(env).returns(ret)
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end
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it 'should not break' do
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middleware.call(env).should_not raise_error(NoMethodError, /You have a nil object/)
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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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app.stubs(:call).with(env).returns([ 200, { 'Content-Type' => 'text/html', 'Content-Length' => 0 }, [ page_html ] ])
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middleware.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(:ret) { middleware._call(env) }
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let(:body) { ret.last.join }
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let(:length) { ret[1]['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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body.should include("script")
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body.should include(described_class::LIVERELOAD_JS_PATH)
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length.should == body.length.to_s
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described_class::LIVERELOAD_JS_PATH.should_not include(host)
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body.should include('swfobject')
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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(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(4)")[: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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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(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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middleware.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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body.should include("script")
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body.should include(described_class::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(:middleware) { described_class.new(app, :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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body.should include("mindelay=#{min_delay}")
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body.should include("maxdelay=#{max_delay}")
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body.should include("port=#{port}")
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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(:middleware) { described_class.new(app, :force_swf => true) }
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it 'should not add the flash shim' do
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body.should include('WEB_SOCKET_FORCE_FLASH')
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body.should include('swfobject')
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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(:middleware) { described_class.new(app, :no_swf => true) }
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it 'should not add the flash shim' do
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body.should_not include('swfobject')
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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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body.should include('localhost')
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end
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end
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context 'ignored' do
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let(:options) { { :ignore => [ %r{file} ] } }
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context 'not root' do
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let(:env) { { 'PATH_INFO' => '/this/file' } }
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it 'should have no change' do
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body.should_not include('script')
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end
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end
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context 'root' do
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let(:env) { { 'PATH_INFO' => '/' } }
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it 'should have script' do
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body.should include('script')
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end
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end
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end
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end
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context '/__rack/livereload.js' do
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let(:env) { { 'PATH_INFO' => described_class::LIVERELOAD_JS_PATH } }
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before do
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middleware.expects(:deliver_file).returns(true)
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end
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it 'should return the js file' do
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middleware._call(env).should be_true
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end
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end
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describe '#ignored?' do
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let(:path_info) { 'path info' }
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context 'no ignore set' do
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it { should_not be_ignored(path_info) }
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end
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context 'ignore set' do
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let(:options) { { :ignore => [ %r{#{path_info}} ] } }
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it { should be_ignored(path_info) }
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end
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end
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describe '#bad_browser?' do
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let(:user_agent) { described_class::BAD_USER_AGENTS.first.source }
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it { should be_bad_browser(user_agent) }
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end
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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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regex.match("<header></header>").should be_false
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end
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end
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end
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