require File.dirname(__FILE__) + '/helper'
require 'stallion'
require 'stub_server'

describe EventMachine::HttpRequest do

  def failed(http=nil)
    EventMachine.stop
    http ? fail(http.error) : fail
  end

  it "should fail GET on DNS timeout" do
    EventMachine.run {
      EventMachine.heartbeat_interval = 0.1
      http = EventMachine::HttpRequest.new('http://127.1.1.1/').get :timeout => 1
      http.callback { failed(http) }
      http.errback {
        http.response_header.status.should == 0
        EventMachine.stop
      }
    }
  end

  it "should fail GET on invalid host" do
    EventMachine.run {
      EventMachine.heartbeat_interval = 0.1
      http = EventMachine::HttpRequest.new('http://somethinglocal/').get :timeout => 1
      http.callback { failed(http) }
      http.errback {
        http.response_header.status.should == 0
        http.error.should match(/unable to resolve server address/)
        http.uri.to_s.should match('http://somethinglocal:80/')
        EventMachine.stop
      }
    }
  end

  it "should raise error on invalid URL" do
    EventMachine.run {
      lambda {
        EventMachine::HttpRequest.new('random?text').get
      }.should raise_error

      EM.stop
    }
  end

  it "should succeed GET on missing path" do
    EventMachine.run {
      lambda {
        EventMachine::HttpRequest.new('http://127.0.0.1:8080').get
      }.should_not raise_error(ArgumentError)

      EventMachine.stop
    }
  end

  it "should perform successfull GET" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/Hello/)
        EventMachine.stop
      }
    }
  end

  context "host override" do

    it "should accept optional host" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://google.com:8080/').get :host => '127.0.0.1'

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response.should match(/Hello/)
          EventMachine.stop
        }
      }
    end

    it "should reset host on redirect" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect').get :redirects => 1, :host => '127.0.0.1'

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response_header["CONTENT_ENCODING"].should == "gzip"
          http.response.should == "compressed"
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/gzip'
          http.redirects.should == 1

          EM.stop
        }
      }
    end

    it "should redirect with missing content-length" do
      EventMachine.run {
        @s = StubServer.new("HTTP/1.0 301 MOVED PERMANENTLY\r\nlocation: http://127.0.0.1:8080/redirect\r\n\r\n")

        http = EventMachine::HttpRequest.new('http://127.0.0.1:8081/').get :redirects => 2
        http.errback { failed(http) }

        http.callback {
          http.response_header.status.should == 200
          http.response_header["CONTENT_ENCODING"].should == "gzip"
          http.response.should == "compressed"
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/gzip'
          http.redirects.should == 2

          @s.stop
          EM.stop
        }
      }
    end

    it "should follow redirects on HEAD method" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect/head').head :redirects => 1
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/'
          EM.stop
        }
      }
    end

    it "should follow redirects on HEAD method (external)" do

      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://www.google.com/').head :redirects => 1
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          EM.stop
        }
      }
    end

  end

  it "should perform successfull GET with a URI passed as argument" do
    EventMachine.run {
      uri = URI.parse('http://127.0.0.1:8080/')
      http = EventMachine::HttpRequest.new(uri).get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/Hello/)
        EventMachine.stop
      }
    }
  end

  it "should perform successfull HEAD with a URI passed as argument" do
    EventMachine.run {
      uri = URI.parse('http://127.0.0.1:8080/')
      http = EventMachine::HttpRequest.new(uri).head

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should == ""
        EventMachine.stop
      }
    }
  end

  # should be no different than a GET
  it "should perform successfull DELETE with a URI passed as argument" do
    EventMachine.run {
      uri = URI.parse('http://127.0.0.1:8080/')
      http = EventMachine::HttpRequest.new(uri).delete

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should == ""
        EventMachine.stop
      }
    }
  end

  it "should return 404 on invalid path" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/fail').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 404
        EventMachine.stop
      }
    }
  end

  it "should build query parameters from Hash" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get :query => {:q => 'test'}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/test/)
        EventMachine.stop
      }
    }
  end

  it "should pass query parameters string" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get :query => "q=test"

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/test/)
        EventMachine.stop
      }
    }
  end

  it "should encode an array of query parameters" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_query').get :query => {:hash => ['value1', 'value2']}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/hash\[\]=value1&hash\[\]=value2/)
        EventMachine.stop
      }
    }
  end

  # should be no different than a POST
  it "should perform successfull PUT" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').put :body => "data"

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/data/)
        EventMachine.stop
      }
    }
  end

  it "should perform successfull POST" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').post :body => "data"

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should match(/data/)
        EventMachine.stop
      }
    }
  end

  it "should escape body on POST" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').post :body => {:stuff => 'string&string'}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should == "stuff=string%26string"
        EventMachine.stop
      }
    }
  end

  it "should perform successfull POST with Ruby Hash/Array as params" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').post :body => {"key1" => 1, "key2" => [2,3]}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200

        http.response.should match(/key1=1&key2\[0\]=2&key2\[1\]=3/)
        EventMachine.stop
      }
    }
  end

  it "should perform successfull POST with Ruby Hash/Array as params and with the correct content length" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_length').post :body => {"key1" => "data1"}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200

        http.response.to_i.should == 10
        EventMachine.stop
      }
    }
  end

  it "should perform successfull GET with custom header" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get :head => {'if-none-match' => 'evar!'}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 304
        EventMachine.stop
      }
    }
  end

  it "should perform a streaming GET" do
    EventMachine.run {

      # digg.com uses chunked encoding
      http = EventMachine::HttpRequest.new('http://digg.com/news').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        EventMachine.stop
      }
    }
  end

  it "should perform basic auth" do
    EventMachine.run {

      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get :head => {'authorization' => ['user', 'pass']}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        EventMachine.stop
      }
    }
  end

  it "should send proper OAuth auth header" do
    EventMachine.run {
      oauth_header = 'OAuth oauth_nonce="oqwgSYFUD87MHmJJDv7bQqOF2EPnVus7Wkqj5duNByU", b=c, d=e'
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/oauth_auth').get :head => {'authorization' => oauth_header}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response.should == oauth_header
        EventMachine.stop
      }
    }
  end

  context "keepalive" do
    it "should default to non-keepalive" do
      EventMachine.run {
        headers = {'If-Modified-Since' => 'Thu, 05 Aug 2010 22:54:44 GMT'}
        http = EventMachine::HttpRequest.new('http://www.google.com/images/logos/ps_logo2.png').get :head => headers

        http.errback { fail }
        start = Time.now.to_i
        http.callback {
          (start - Time.now.to_i).should be_within(1).of(0)
          EventMachine.stop
        }
      }
    end

    it "should work with keep-alive servers" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://mexicodiario.com/touch.public.json.php').get :keepalive => true

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          EventMachine.stop
        }
      }
    end
  end

  it "should return ETag and Last-Modified headers" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_query').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response_header.etag.should match('abcdefg')
        http.response_header.last_modified.should match('Fri, 13 Aug 2010 17:31:21 GMT')
        EventMachine.stop
      }
    }
  end

  it "should detect deflate encoding" do
    EventMachine.run {

      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/deflate').get :head => {"accept-encoding" => "deflate"}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response_header["CONTENT_ENCODING"].should == "deflate"
        http.response.should == "compressed"

        EventMachine.stop
      }
    }
  end

  it "should detect gzip encoding" do
    EventMachine.run {

      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/gzip').get :head => {"accept-encoding" => "gzip, compressed"}

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response_header["CONTENT_ENCODING"].should == "gzip"
        http.response.should == "compressed"

        EventMachine.stop
      }
    }
  end

  it "should timeout after 1 second" do
    EventMachine.run {
      t = Time.now.to_i
      EventMachine.heartbeat_interval = 0.1
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/timeout').get :timeout => 1

      http.errback {
        (Time.now.to_i - t).should <= 5
        EventMachine.stop
      }
      http.callback { failed(http) }
    }
  end

  context "redirect" do
    it "should report last_effective_url" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/'

          EM.stop
        }
      }
    end

    it "should follow location redirects" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect').get :redirects => 1
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response_header["CONTENT_ENCODING"].should == "gzip"
          http.response.should == "compressed"
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/gzip'
          http.redirects.should == 1

          EM.stop
        }
      }
    end

    it "should default to 0 redirects" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect').get
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 301
          http.last_effective_url.to_s.should == 'http://127.0.0.1:8080/gzip'
          http.redirects.should == 0

          EM.stop
        }
      }
    end

    it "should not invoke redirect logic on failed(http) connections" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8081/').get :timeout => 0.1, :redirects => 5
        http.callback { failed(http) }
        http.errback {
          http.redirects.should == 0
          EM.stop
        }
      }
    end

    it "should normalize redirect urls" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect/bad').get :redirects => 1
        http.errback { failed(http) }
        http.callback {
          http.last_effective_url.to_s.should match('http://127.0.0.1:8080/')
          http.response.should match('Hello, World!')
          EM.stop
        }
      }
    end

    it "should fail gracefully on a missing host in absolute Location header" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect/nohost').get :redirects => 1
        http.callback { failed(http) }
        http.errback {
          http.error.should == 'Location header format error'
          EM.stop
        }
      }
    end

    it "should fail gracefully on an invalid host in Location header" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/redirect/badhost').get :redirects => 1
        http.callback { failed(http) }
        http.errback {
          http.error.should == 'unable to resolve server address'
          EM.stop
        }
      }
    end
  end

  it "should optionally pass the response body progressively" do
    EventMachine.run {
      body = ''
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get

      http.errback { failed(http) }
      http.stream { |chunk| body += chunk }

      http.callback {
        http.response_header.status.should == 200
        http.response.should == ''
        body.should match(/Hello/)
        EventMachine.stop
      }
    }
  end

  context "optional header callback" do
    it "should optionally pass the response headers" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get

        http.errback { failed(http) }
        http.headers { |hash|
          hash.should be_an_kind_of Hash
          hash.should include 'CONNECTION'
          hash.should include 'CONTENT_LENGTH'
        }

        http.callback {
          http.response_header.status.should == 200
          http.response.should match(/Hello/)
          EventMachine.stop
        }
      }
    end

    it "should allow to terminate current connection from header callback" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get

        http.callback { failed(http) }
        http.headers { |hash|
          hash.should be_an_kind_of Hash
          hash.should include 'CONNECTION'
          hash.should include 'CONTENT_LENGTH'

          http.close('header callback terminated connection')
        }

        http.errback { |e|
          http.response_header.status.should == 200
          http.error.should == 'header callback terminated connection'
          http.response.should == ''
          EventMachine.stop
        }
      }
    end
  end

  it "should optionally pass the deflate-encoded response body progressively" do
    EventMachine.run {
      body = ''
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/deflate').get :head => {"accept-encoding" => "deflate, compressed"}

      http.errback { failed(http) }
      http.stream { |chunk| body += chunk }

      http.callback {
        http.response_header.status.should == 200
        http.response_header["CONTENT_ENCODING"].should == "deflate"
        http.response.should == ''
        body.should == "compressed"
        EventMachine.stop
      }
    }
  end

  it "should initiate SSL/TLS on HTTPS connections" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('https://mail.google.com:443/mail/').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 302
        EventMachine.stop
      }
    }
  end

  it "should accept & return cookie header to user" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/set_cookie').get

      http.errback { failed(http) }
      http.callback {
        http.response_header.status.should == 200
        http.response_header.cookie.should == "id=1; expires=Tue, 09-Aug-2011 17:53:39 GMT; path=/;"
        EventMachine.stop
      }
    }
  end

  it "should pass cookie header to server from string" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_cookie').get :head => {'cookie' => 'id=2;'}

      http.errback { failed(http) }
      http.callback {
        http.response.should == "id=2;"
        EventMachine.stop
      }
    }
  end

  it "should pass cookie header to server from Hash" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_cookie').get :head => {'cookie' => {'id' => 2}}

      http.errback { failed(http) }
      http.callback {
        http.response.should == "id=2;"
        EventMachine.stop
      }
    }
  end

  context "when talking to a stub HTTP/1.0 server" do
    it "should get the body without Content-Length" do
      EventMachine.run {
        @s = StubServer.new("HTTP/1.0 200 OK\r\nConnection: close\r\n\r\nFoo")

        http = EventMachine::HttpRequest.new('http://127.0.0.1:8081/').get
        http.errback { failed(http) }
        http.callback {
          http.response.should match(/Foo/)
          http.response_header['CONTENT_LENGTH'].should_not == 0

          @s.stop
          EventMachine.stop
        }
      }
    end

    it "should work with \\n instead of \\r\\n" do
      EventMachine.run {
        @s = StubServer.new("HTTP/1.0 200 OK\nContent-Type: text/plain\nContent-Length: 3\nConnection: close\n\nFoo")

        http = EventMachine::HttpRequest.new('http://127.0.0.1:8081/').get
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response_header['CONTENT_TYPE'].should == 'text/plain'
          http.response.should match(/Foo/)

          @s.stop
          EventMachine.stop
        }
      }
    end
  end

  context "body content-type encoding" do
    it "should not set content type on string in body" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_type').post :body => "data"

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response.should be_empty
          EventMachine.stop
        }
      }
    end

    it "should set content-type automatically when passed a ruby hash/array for body" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_type').post :body => {:a => :b}

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.response.should match("application/x-www-form-urlencoded")
          EventMachine.stop
        }
      }
    end

    it "should not override content-type when passing in ruby hash/array for body" do
      EventMachine.run {
        ct = 'text; charset=utf-8'
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_type').post({
        :body => {:a => :b}, :head => {'content-type' => ct}})

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.content_charset.should == Encoding.find('utf-8')
          http.response_header["CONTENT_TYPE"].should == ct
          EventMachine.stop
        }
      }
    end

    it "should default to external encoding on invalid encoding" do
      EventMachine.run {
        ct = 'text/html; charset=utf-8lias'
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_type').post({
        :body => {:a => :b}, :head => {'content-type' => ct}})

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.content_charset.should == Encoding.find('utf-8')
          http.response_header["CONTENT_TYPE"].should == ct
          EventMachine.stop
        }
      }
    end

    it "should processed escaped content-type" do
      EventMachine.run {
        ct = "text/html; charset=\"ISO-8859-4\""
        http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/echo_content_type').post({
        :body => {:a => :b}, :head => {'content-type' => ct}})

        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 200
          http.content_charset.should == Encoding.find('ISO-8859-4')
          http.response_header["CONTENT_TYPE"].should == ct
          EventMachine.stop
        }
      }
    end

  end

  it "should complete a Location: with a relative path" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/relative-location').get

      http.errback { failed(http) }
      http.callback {
        http.response_header['LOCATION'].should == 'http://127.0.0.1:8080/forwarded'
        EventMachine.stop
      }
    }
  end

  it "should stream a file off disk" do
    EventMachine.run {
      http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').post :file => 'spec/fixtures/google.ca'

      http.errback { failed(http) }
      http.callback {
        http.response.should match('google')
        EventMachine.stop
      }
    }
  end

  it 'should let you pass a block to be called once the client is created' do
    client = nil
    EventMachine.run {
      request = EventMachine::HttpRequest.new('http://127.0.0.1:8080/')
      http = request.post { |c|
        c.options[:body] = {:callback_run => 'yes'}
        client = c
      }
      http.errback { failed(http) }
      http.callback {
        client.should be_kind_of(EventMachine::HttpClient)
        http.response_header.status.should == 200
        http.response.should match(/callback_run=yes/)
        EventMachine.stop
      }
    }
  end

  it "should retrieve multiple cookies" do
    EventMachine::MockHttpRequest.register_file('http://www.google.ca:80/', :get, {}, File.join(File.dirname(__FILE__), 'fixtures', 'google.ca'))
    EventMachine.run {

      http = EventMachine::MockHttpRequest.new('http://www.google.ca/').get
      http.errback { fail }
      http.callback {
        c1 = "PREF=ID=11955ae9690fd292:TM=1281823106:LM=1281823106:S=wHdloFqGQ_OLSE92; expires=Mon, 13-Aug-2012 21:58:26 GMT; path=/; domain=.google.ca"
        c2 = "NID=37=USTdOsxOSMbLjphkJ3S5Ueua3Yc23COXuK_pbztcHx7JoyhomwQySrvebCf3_u8eyrBiLWssVzaZcEOiKGEJbNdy8lRhnq_mfrdz693LaMjNPh__ccW4sgn1ZO6nQltE; expires=Sun, 13-Feb-2011 21:58:26 GMT; path=/; domain=.google.ca; HttpOnly"
        http.response_header.cookie.should == [c1, c2]

        EventMachine.stop
      }
    }

    EventMachine::MockHttpRequest.count('http://www.google.ca:80/', :get, {}).should == 1
  end

  context "connections via" do
    context "direct proxy" do
      it "should default to skip CONNECT" do
        EventMachine.run {

          http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/?q=test').get :proxy => {
            :host => '127.0.0.1', :port => 8083
          }

          http.errback { failed(http) }
          http.callback {
            http.response_header.status.should == 200
            http.response.should match('test')
            EventMachine.stop
          }
        }
      end

      it "should send absolute URIs to the proxy server" do
        EventMachine.run {

          http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/?q=test').get :proxy => {
            :host => '127.0.0.1', :port => 8083
          }

          http.errback { failed(http) }
          http.callback {
            http.response_header.status.should == 200
            # The test proxy server gives the requested uri back in this header
            http.response_header['X_THE_REQUESTED_URI'].should == 'http://127.0.0.1:8080/?q=test'
            http.response_header['X_THE_REQUESTED_URI'].should_not == '/?q=test'
            http.response.should match('test')
            EventMachine.stop
          }
        }
      end

      it "should include query parameters specified in the options" do
        EventMachine.run {

          http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get(
            :proxy => { :host => '127.0.0.1', :port => 8083 },
            :query => { 'q' => 'test' }
          )

          http.errback { failed(http) }
          http.callback {
            http.response_header.status.should == 200
            http.response.should match('test')
            EventMachine.stop
          }
        }
      end
    end

    context "CONNECT proxy" do
      it "should work with CONNECT proxy servers" do
        EventMachine.run {

          http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').get({
                                                                               :proxy => {:host => '127.0.0.1', :port => 8082, :use_connect => true}
          })

          http.errback { failed(http) }
          http.callback {
            http.response_header.status.should == 200
            http.response.should == 'Hello, World!'
            EventMachine.stop
          }
        }
      end

      it "should proxy POST data" do
        EventMachine.run {

          http = EventMachine::HttpRequest.new('http://127.0.0.1:8080/').post({
                                                                                :body => "data", :proxy => {:host => '127.0.0.1', :port => 8082, :use_connect => true}
          })

          http.errback { failed(http) }
          http.callback {
            http.response_header.status.should == 200
            http.response.should match(/data/)
            EventMachine.stop
          }
        }
      end
    end
  end

  context "websocket connection" do
    # Spec: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol-55
    #
    # ws.onopen     = http.callback
    # ws.onmessage  = http.stream { |msg| }
    # ws.errback    = no connection
    #

    it "should invoke errback on failed upgrade" do
      EventMachine.run {
        http = EventMachine::HttpRequest.new('ws://127.0.0.1:8080/').get :timeout => 0

        http.callback { failed(http) }
        http.errback {
          http.response_header.status.should == 200
          EventMachine.stop
        }
      }
    end

    it "should complete websocket handshake and transfer data from client to server and back" do
      EventMachine.run {
        MSG = "hello bi-directional data exchange"

        EventMachine::WebSocket.start(:host => "0.0.0.0", :port => 8085) do |ws|
          ws.onmessage {|msg| ws.send msg}
        end

        http = EventMachine::HttpRequest.new('ws://127.0.0.1:8085/').get :timeout => 1
        http.errback { failed(http) }
        http.callback {
          http.response_header.status.should == 101
          http.response_header['CONNECTION'].should match(/Upgrade/)
          http.response_header['UPGRADE'].should match(/WebSocket/)

          # push should only be invoked after handshake is complete
          http.send(MSG)
        }

        http.stream { |chunk|
          chunk.should == MSG
          EventMachine.stop
        }
      }
    end

    it "should split multiple messages from websocket server into separate stream callbacks" do
      EM.run do
        messages = %w[1 2]
        recieved = []

        EventMachine::WebSocket.start(:host => "0.0.0.0", :port => 8085) do |ws|
          ws.onopen {
            ws.send messages[0]
            ws.send messages[1]
          }
        end

        EventMachine.add_timer(0.1) do
          http = EventMachine::HttpRequest.new('ws://127.0.0.1:8085/').get :timeout => 0
          http.errback { failed(http) }
          http.callback { http.response_header.status.should == 101 }
          http.stream {|msg|
            msg.should == messages[recieved.size]
            recieved.push msg

            EventMachine.stop if recieved.size == messages.size
          }
        end
      end
    end
  end
end