tie-rack/gist:90469

## gistfile1.rb
# A few assumptions are made here:
#
# 1. You want your javascript tests in test/javascript
# 2. Your jsunittest.js file is called that (you've stripped the version)
# 3. You've got a jsunittest.css file in the same place
# 4. You've set JSUNITTEST as the path to where the jsunittest files live
#
# Run it like this: thor jsunittest:test path/to/your/js.js

require 'pathname'

class Jsunittest < Thor

  TEST_FILE = 'jsunittest.js'
  CSS_FILE  = 'jsunittest.css'

  desc 'prepare', 'Create the javascript test directory and move files there'
  def prepare
    FileUtils.mkdir_p(test_path)
    copy_jsunittest_files_to_test
  end

  desc 'test FILE', 'Create a JsUnitTest test page for FILE'
  def test(filename)
    prepare
    File.open(test_filename_full_path(filename), 'w+') do |f|
      f.puts(test_contents(filename))
    end
  end

  private

  def copy_jsunittest_files_to_test
    [TEST_FILE, CSS_FILE].each do |file|
      unless File.exist?(File.join(test_path, file))
        FileUtils.cp(File.join(jsunittest_path, file), test_path)
      end
    end
  end

  def jsunittest_path
    File.expand_path(ENV['JSUNITTEST'])
  end

  def test_path
    File.join(File.expand_path(Dir.pwd), 'test', 'javascript')
  end

  def test_filename(javascript_filename)
    unless File.extname(javascript_filename) == '.js'
      raise(ArgumentError, 'JavaScript file required')
    end
    'test_' + File.basename(javascript_filename, '.js') + '.html'
  end

  def test_filename_full_path(javascript_filename)
    File.join(test_path, test_filename(javascript_filename))
  end

  def path_to_javascript_file(filename)
    test_dir = Pathname.new(test_path)
    file_dir = Pathname.new(File.expand_path(filename))
    file_dir.relative_path_from(test_dir).to_s
  end

  def test_contents(javascript_filename)
    <<EOF
<html>
  <head>
    <title>Test Page for #{File.basename(javascript_filename)}</title>
    <script language="javascript" src="#{TEST_FILE}"></script>
    <script language="javascript" src="#{path_to_javascript_file(javascript_filename)}"></script>
    <link rel="stylesheet" type="text/css" href="#{CSS_FILE}" />
  </head>
  <body>
    <div id="testlog"></div>
    <script type="text/javascript" language="javascript">
      new Test.Unit.Runner({
        testTruth: function() { with(this) {
          assert(true);
        }}
      });
    </script>
  </body>
</html>
EOF
  end

end
	# A few assumptions are made here:
	#
	# 1. You want your javascript tests in test/javascript
	# 2. Your jsunittest.js file is called that (you've stripped the version)
	# 3. You've got a jsunittest.css file in the same place
	# 4. You've set JSUNITTEST as the path to where the jsunittest files live
	#
	# Run it like this: thor jsunittest:test path/to/your/js.js

	require 'pathname'

	class Jsunittest < Thor

	TEST_FILE = 'jsunittest.js'
	CSS_FILE = 'jsunittest.css'

	desc 'prepare', 'Create the javascript test directory and move files there'
	def prepare
	FileUtils.mkdir_p(test_path)
	copy_jsunittest_files_to_test
	end

	desc 'test FILE', 'Create a JsUnitTest test page for FILE'
	def test(filename)
	prepare
	File.open(test_filename_full_path(filename), 'w+') do \|f\|
	f.puts(test_contents(filename))
	end
	end

	private

	def copy_jsunittest_files_to_test
	[TEST_FILE, CSS_FILE].each do \|file\|
	unless File.exist?(File.join(test_path, file))
	FileUtils.cp(File.join(jsunittest_path, file), test_path)
	end
	end
	end

	def jsunittest_path
	File.expand_path(ENV['JSUNITTEST'])
	end

	def test_path
	File.join(File.expand_path(Dir.pwd), 'test', 'javascript')
	end

	def test_filename(javascript_filename)
	unless File.extname(javascript_filename) == '.js'
	raise(ArgumentError, 'JavaScript file required')
	end
	'test_' + File.basename(javascript_filename, '.js') + '.html'
	end

	def test_filename_full_path(javascript_filename)
	File.join(test_path, test_filename(javascript_filename))
	end

	def path_to_javascript_file(filename)
	test_dir = Pathname.new(test_path)
	file_dir = Pathname.new(File.expand_path(filename))
	file_dir.relative_path_from(test_dir).to_s
	end

	def test_contents(javascript_filename)
	<<EOF
	<html>
	<head>
	<title>Test Page for #{File.basename(javascript_filename)}</title>
	<script language="javascript" src="#{TEST_FILE}"></script>
	<script language="javascript" src="#{path_to_javascript_file(javascript_filename)}"></script>
	<link rel="stylesheet" type="text/css" href="#{CSS_FILE}" />
	</head>
	<body>
	<div id="testlog"></div>
	<script type="text/javascript" language="javascript">
	new Test.Unit.Runner({
	testTruth: function() { with(this) {
	assert(true);
	}}
	});
	</script>
	</body>
	</html>
	EOF
	end

	end