Varnish::Test syntax

varnishtest.rb

require 'test/unit'
require 'varnish/test'

class HelloWorldTest < Varnish::Test::TestCase
  def test_it_says_hello_world
    backend = Varnish::Test::Backend.new
    backend.expect :get, '/', do |env|
      [ 200, {}, "Hello World" ]                    
    end

    response = @varnish.get '/'
    assert response.ok?
    assert_equal 'Hello World', response.body
  end
end