Class: Capybara::Driver::Envjs

Inherits:
Base
  • Object
show all
Defined in:
lib/capybara/driver/envjs_driver.rb

Defined Under Namespace

Classes: Headers, Node

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Envjs

Returns a new instance of Envjs.



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# File 'lib/capybara/driver/envjs_driver.rb', line 151

def initialize(app)

  if rack_test?
    require 'rack/test'
    class << self; self; end.instance_eval do
      include ::Rack::Test::Methods
      alias_method :response, :last_response
      alias_method :request, :last_request
      define_method :build_rack_mock_session do
        # p default_host
        Rack::MockSession.new(app, default_host)
      end
    end
  end

  @app = app

  master_load = browser.master["load"]

  if rack_test?
    browser.master["load"] = proc do |*args|
      if args.size == 2 and args[1].to_s != "[object split_global]"
        file, window = *args
        body = nil
        if file.index(app_host) == 0
          get(file, {}, env)
          body = response.body
        else
          body = Net::HTTP.get(URI.parse(file))
        end
        window["evaluate"].call body
      else
        master_load.call *args
      end
    end

    browser["window"]["$envx"]["connection"] =
    browser.master["connection"] = @connection = proc do |*args|
      xhr, responseHandler, data = *args
      url = xhr.url
      params = data || ""
      method = xhr["method"].downcase.to_sym
      e = env;
      if method == :post or method == :put
        e.merge! "CONTENT_TYPE" => xhr.headers["Content-Type"]
      end
      e.merge! "HTTP_ACCEPT" => xhr.headers["Accept"] if xhr.headers["Accept"]
      if e["CONTENT_TYPE"] =~ %r{^multipart/form-data;}
        e["CONTENT_LENGTH"] ||= params.length
      end
      times = 0
      begin
        # p url, app_host
        if url.index(app_host) == 0
          url.slice! 0..(app_host.length-1)
        end
        # p url
        # puts "send #{method} #{url} #{params} #{e}"
        send method, url, params, e
        # p "after" #, response
        while response.status == 302 || response.status == 301
          if (times += 1) > 5
            raise Capybara::InfiniteRedirectError, "redirected more than 5 times, check for infinite redirects."
          end
          params = {}
          method = :get
          url = response.location
          if url.index(app_host) == 0
            url.slice! 0..(app_host.length-1)
          end
          # puts "redirect #{method} #{url} #{params}"
          send method, url, params, env
        end
      rescue Exception => e
        # print "got #{e} #{response.inspect}\n"
        raise e
      end
      @source = response.body
      response.headers.each do |k,v|
        xhr.responseHeaders[k] = v
      end
      xhr.status = response.status
      xhr.responseText = response.body
      xhr.readyState = 4
      if url.index(app_host) == 0
        url.slice! 0..(app_host.length-1)
      end
      if url.slice(0..0) == "/"
        url = app_host+url
      end
      xhr.__url = url
      responseHandler.call
    end
  end
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/capybara/driver/envjs_driver.rb', line 132

def app
  @app
end

Instance Method Details

#app_host ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 147

def app_host
  (ENV["CAPYBARA_APP_HOST"] || Capybara.app_host || default_url)
end

#body ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 263

def body
  browser["window"].document.xml
end

#browser ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 317

def browser
  unless @_browser
    require 'johnson/tracemonkey'
    require 'envjs/runtime'
    @_browser = Johnson::Runtime.new :size => Integer(ENV["JOHNSON_HEAP_SIZE"] || 0x4000000)
    @_browser.extend Envjs::Runtime
  end

  @_browser
end

#current_url ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 255

def current_url
  browser["window"].location.href
end

#default_host ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 139

def default_host
  (Capybara.default_host || "www.example.com")
end

#default_url ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 143

def default_url
  "http://"+default_host
end

#evaluate_script(script) ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 313

def evaluate_script(script)
  browser["window"]["evaluate"].call(script)
end

#execute_script(script) ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 308

def execute_script(script)
  browser["window"]["evaluate"].call(script)
  nil
end

#find(selector) ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 289

def find(selector)
  window = browser["window"]
  null = browser["null"]
  type = window["XPathResult"]["ANY_TYPE"]
  result_set = window.document.evaluate selector, window.document, null, type, null
  nodes = []
  while n = result_set.iterateNext()
    nodes << Node.new(self, n)
  end
  nodes
end

#has_shortcircuit_timeout? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/driver/envjs_driver.rb', line 328

def has_shortcircuit_timeout?
  true
end

#rack_test? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/driver/envjs_driver.rb', line 134

def rack_test?
  # p "rt?", app_host, default_url, (app_host == default_url)
  app_host == default_url
end

#reset! ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 267

def reset!
  clear_cookies
end

#response_headers ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 281

def response_headers
  Headers.new(browser["window"]["document"]["__headers__"])
end

#source ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 259

def source
  browser["window"].document.__original_text__
end

#status_code ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 285

def status_code
  response.status
end

#visit(path) ⇒ Object 



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# File 'lib/capybara/driver/envjs_driver.rb', line 247

def visit(path)
  as_url = URI.parse path
  base = URI.parse app_host
  path = (base + as_url).to_s
  # p path
  browser["window"].location.href = path
end

#wait? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/driver/envjs_driver.rb', line 301

def wait?; true; end

#wait_until(max) ⇒ Object

Raises:

  • (Capybara::TimeoutError) 


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# File 'lib/capybara/driver/envjs_driver.rb', line 303

def wait_until max
  fired, wait = *browser["Envjs"].wait(-max*1000)
  raise Capybara::TimeoutError if !fired && wait.nil?
end