kozy4324/connect-qunit.coffee

## connect-qunit.coffee
module.exports = (grunt) ->
  grunt.registerTask 'connect_qunit', 'QUnit実行HTML配信サーバーを起動（CoffeeScriptコンパイル含む）', ->
    options = @options
      port: 0xBEEF
      hostname: 'localhost'
      base: '.'
      urlNameSpace: 'qunit'
      testDir: 'js_test'
      srcDir: 'js'
      includeLibs: []

    options.includeLibs.unshift(
      'https://code.jquery.com/jquery-2.1.1.min.js'
      '/___resources/sinon-1.7.3.js'
      '/___resources/sinon-qunit-1.0.0.js'
    )

    coffee = require "#{process.cwd()}/node_modules/coffee-script"

    # (R)eg(E)
    re = (pattern) -> new RegExp(pattern)
    # (R)eg(E)xp(T)est
    ret = (pattern, value) -> new RegExp(pattern).test value

    readScriptFile = (path) ->
      path = path.replace /js$/, 'coffee'
      try
        coffee.compile grunt.file.read(path).toString("utf8")
      catch err
        try
          grunt.file.read(path.replace(/coffee$/, 'js')).toString("utf8")
        catch err
          null

    proc = (req, res, next) ->
      {srcDir, testDir, urlNameSpace} = options
      {pathname} = req._parsedUrl
      switch
        when ret "^(/|/#{urlNameSpace}/)$", pathname
          res.setHeader 'Content-Type', 'text/html'
          res.end grunt.file.expand("#{testDir}/**/*.{js,coffee}").sort().map((name) ->
            url = name.replace re("^#{testDir}"), "/#{urlNameSpace}"
            """<a href="#{url}">#{url}</a><br/>"""
          ).join('')
        when ret "^/#{urlNameSpace}/", pathname
          path = pathname.replace re("^/#{urlNameSpace}/"), ""
          res.setHeader 'Content-Type', 'text/html'
          res.end tmpl
            libs: options.includeLibs.map (url) -> if ret "^(https?://|/)", url then url else "/#{url}"
            title: path
            target_test: "/#{testDir}/#{path}".replace re("/./"), "/"
            target_js: "/#{srcDir}/#{path}".replace re("/./"), "/"
        when ret "^/___resources/", pathname
          switch
            when ret 'css$', pathname
              res.setHeader 'Content-Type', 'text/css'
            when ret 'js$', pathname
              res.setHeader 'Content-Type', 'text/javascript'
          res.end grunt.file.read "#{__dirname}/qunit_resources/#{pathname.replace(re("^/___resources/"), '')}"
        when ret "\\.(js|coffee)$", pathname
          res.setHeader 'Content-Type', 'text/javascript'
          content = readScriptFile ".#{pathname}"
          content = """alert("Can\'t load #{pathname}");""" unless content?
          buf = []
          (content.match(/@requires.*/g) || []).forEach (matched) ->
            dep_path = matched.replace(/@requires\s+/, '').replace(/(\.js|\.coffee)?\s*$/, '.js')
            dep_content = readScriptFile "./#{srcDir}/#{dep_path}"
            dep_content = """alert("Can\'t load @requires #{dep_path}");""" unless dep_content?
            buf.push dep_content
          res.end buf.concat(content).join("\n")
        else
          next()

    options.middleware = (connect, options) -> [proc, connect.static(options.base)]

    grunt.config.merge connect:
      connect_qunit:
        options: options

    grunt.loadNpmTasks 'grunt-contrib-connect'
    if this.flags.keepalive
      grunt.task.run 'connect:connect_qunit:keepalive'
    else
      grunt.task.run 'connect:connect_qunit'

tmpl = (data) -> """
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>#{data.title}</title>
  <link rel="stylesheet" href="/___resources/qunit.css" media="screen">
  <script src="/___resources/qunit.js"></script>
  #{("<script src=\"#{path}\"></script>" for path in data.libs or []).join("\n")}
  <script src="#{data.target_js}"></script>
  <script src="#{data.target_test}"></script>
</head>
<body>
  <h1 id="qunit-header">#{data.title}</h1>
  <h2 id="qunit-banner"></h2>
  <div id="qunit-testrunner-toolbar"></div>
  <h2 id="qunit-userAgent"></h2>
  <ol id="qunit-tests"></ol>
  <div id="qunit-fixture">this had better work.</div>
</body>
</html>
"""
	module.exports = (grunt) ->
	grunt.registerTask 'connect_qunit', 'QUnit実行HTML配信サーバーを起動（CoffeeScriptコンパイル含む）', ->
	options = @options
	port: 0xBEEF
	hostname: 'localhost'
	base: '.'
	urlNameSpace: 'qunit'
	testDir: 'js_test'
	srcDir: 'js'
	includeLibs: []

	options.includeLibs.unshift(
	'https://code.jquery.com/jquery-2.1.1.min.js'
	'/___resources/sinon-1.7.3.js'
	'/___resources/sinon-qunit-1.0.0.js'
	)

	coffee = require "#{process.cwd()}/node_modules/coffee-script"

	# (R)eg(E)
	re = (pattern) -> new RegExp(pattern)
	# (R)eg(E)xp(T)est
	ret = (pattern, value) -> new RegExp(pattern).test value

	readScriptFile = (path) ->
	path = path.replace /js$/, 'coffee'
	try
	coffee.compile grunt.file.read(path).toString("utf8")
	catch err
	try
	grunt.file.read(path.replace(/coffee$/, 'js')).toString("utf8")
	catch err
	null

	proc = (req, res, next) ->
	{srcDir, testDir, urlNameSpace} = options
	{pathname} = req._parsedUrl
	switch
	when ret "^(/\|/#{urlNameSpace}/)$", pathname
	res.setHeader 'Content-Type', 'text/html'
	res.end grunt.file.expand("#{testDir}/*/.{js,coffee}").sort().map((name) ->
	url = name.replace re("^#{testDir}"), "/#{urlNameSpace}"
	"""<a href="#{url}">#{url}</a><br/>"""
	).join('')
	when ret "^/#{urlNameSpace}/", pathname
	path = pathname.replace re("^/#{urlNameSpace}/"), ""
	res.setHeader 'Content-Type', 'text/html'
	res.end tmpl
	libs: options.includeLibs.map (url) -> if ret "^(https?://\|/)", url then url else "/#{url}"
	title: path
	target_test: "/#{testDir}/#{path}".replace re("/./"), "/"
	target_js: "/#{srcDir}/#{path}".replace re("/./"), "/"
	when ret "^/___resources/", pathname
	switch
	when ret 'css$', pathname
	res.setHeader 'Content-Type', 'text/css'
	when ret 'js$', pathname
	res.setHeader 'Content-Type', 'text/javascript'
	res.end grunt.file.read "#{__dirname}/qunit_resources/#{pathname.replace(re("^/___resources/"), '')}"
	when ret "\\.(js\|coffee)$", pathname
	res.setHeader 'Content-Type', 'text/javascript'
	content = readScriptFile ".#{pathname}"
	content = """alert("Can\'t load #{pathname}");""" unless content?
	buf = []
	(content.match(/@requires.*/g) \|\| []).forEach (matched) ->
	dep_path = matched.replace(/@requires\s+/, '').replace(/(\.js\|\.coffee)?\s*$/, '.js')
	dep_content = readScriptFile "./#{srcDir}/#{dep_path}"
	dep_content = """alert("Can\'t load @requires #{dep_path}");""" unless dep_content?
	buf.push dep_content
	res.end buf.concat(content).join("\n")
	else
	next()

	options.middleware = (connect, options) -> [proc, connect.static(options.base)]

	grunt.config.merge connect:
	connect_qunit:
	options: options

	grunt.loadNpmTasks 'grunt-contrib-connect'
	if this.flags.keepalive
	grunt.task.run 'connect:connect_qunit:keepalive'
	else
	grunt.task.run 'connect:connect_qunit'

	tmpl = (data) -> """
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>#{data.title}</title>
	<link rel="stylesheet" href="/___resources/qunit.css" media="screen">
	<script src="/___resources/qunit.js"></script>
	#{("<script src=\"#{path}\"></script>" for path in data.libs or []).join("\n")}
	<script src="#{data.target_js}"></script>
	<script src="#{data.target_test}"></script>
	</head>
	<body>
	<h1 id="qunit-header">#{data.title}</h1>
	<h2 id="qunit-banner"></h2>
	<div id="qunit-testrunner-toolbar"></div>
	<h2 id="qunit-userAgent"></h2>
	<ol id="qunit-tests"></ol>
	<div id="qunit-fixture">this had better work.</div>
	</body>
	</html>
	"""