stevepm/http_response.rb

## http_response.rb
require 'fileutils'

class HttpResponse
  def initialize(text)
    @text = text
    @headers = @text.split("\n\n").first
    @body = @text.split("\n\n")[1]
  end

  def headers
    lines = @headers.split("\n")
    lines.shift
    new_lines = lines.map do |line|
      line.split(/[:\s]/, 2)
    end
    headers = new_lines.flatten.map do |line|
      line.strip
    end
    header_hash = {}
    Hash[*headers].each do |k, v|
     header_hash[k.downcase.gsub('-','_').to_sym] = v
    end
    header_hash
  end

  def body
    <<-BODY
    #{@body}
    BODY
  end

  def status_code
    status_line = @headers.split("\n").shift
    status_line.split(/[\s]/,2)[1].gsub(/[\D]/, '').to_i
  end

  def response_json
    if headers[:content_type].include?("json")
      JSON.parse(@body)
    else
      nil
    end
  end

  def save_html!
    path = File.join(File.dirname(__FILE__), '../tmp/')
    if headers[:content_type].include?("text/html")
      unless File.directory?(path)
        FileUtils.mkdir_p(path)
      end
      File.open "#{path}body.html", "w+" do |file|
        file.write(@body)
      end
      `open "#{path}body.html"`
    end
  end
end

## http_response_spec.rb
require 'json'

require 'spec_helper'
require_relative '../../lib/http_response'

describe "http_response" do
  let(:text) {
    <<-INPUT
HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Tue, 06 May 2014 02:17:16 GMT
Content-Type: text/html
Last-Modified: Sun, 27 Apr 2014 04:03:41 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Content-Encoding: gzip

<!DOCTYPE html>
<html lang="en">
<head><meta charset="utf-8" />
  <meta name="description" content="should i test private methods?" />
  <meta name="keywords" content="test,private,methods,oo,object,oriented,tdd" />
  <title>Should I Test Private Methods?</title>
</head>
<body>
  <div style='font-size: 96px; font-weight: bold; text-align: center; padding-top: 200px; font-family: Verdana, Helvetica, sans-serif'>NO</div>
  <!-- Every time you consider testing a private method, your code is telling you that you haven't allocated responsibilities well.  Are you listening to it? -->
</body>
</html>
    INPUT
  }
  let(:response) { HttpResponse.new(text) }

  let(:json) {
    <<-INPUT
    HTTP/1.1 200 OK
Server: nginx
Date: Tue, 06 May 2014 02:15:51 GMT
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Access-Control-Allow-Origin: *
Access-Control-Allow-Credentials: true
Access-Control-Allow-Methods: GET, POST

{"coord":{"lon":-0.13,"lat":51.51},"sys":{"message":0.0346,"country":"GB","sunrise":1399350122,"sunset":1399404728},"weather":[{"id":721,"main":"Haze","description":"haze","icon":"50n"},{"id":500,"main":"Rain","description":"light rain","icon":"10n"}],"base":"cmc stations","main":{"temp":286.24,"humidity":83,"pressure":995,"temp_min":284.82,"temp_max":287.59},"wind":{"speed":3.77,"deg":220.5},"clouds":{"all":88},"dt":1399339749,"id":2643743,"name":"London","cod":200}
INPUT
  }

  it 'returns the headers' do
    expect(response.headers).to eq({:server=>"nginx/1.4.6 (Ubuntu)", :date=>"Tue, 06 May 2014 02:17:16 GMT", :content_type=>"text/html", :last_modified=>"Sun, 27 Apr 2014 04:03:41 GMT", :transfer_encoding=>"chunked", :connection=>"keep-alive", :content_encoding=>"gzip"})
    expect(response.headers).to_not include({"HTTP/1.1" => "200 OK"})
  end
  it 'returns the body' do
    body = <<-INPUT
<!DOCTYPE html>
<html lang="en">
<head><meta charset="utf-8" />
  <meta name="description" content="should i test private methods?" />
  <meta name="keywords" content="test,private,methods,oo,object,oriented,tdd" />
  <title>Should I Test Private Methods?</title>
</head>
<body>
  <div style='font-size: 96px; font-weight: bold; text-align: center; padding-top: 200px; font-family: Verdana, Helvetica, sans-serif'>NO</div>
  <!-- Every time you consider testing a private method, your code is telling you that you haven't allocated responsibilities well.  Are you listening to it? -->
</body>
</html>
    INPUT
    expect(response.body.strip).to eq(body.strip)
  end

  it 'returns the status code' do
    expect(response.status_code).to eq(200)
  end

  it 'returns a ruby hash if it is json' do
    expect(response.response_json).to eq(nil)
    json_response = HttpResponse.new(json)
    expect(json_response.response_json).to eq(JSON.parse('{"coord":{"lon":-0.13,"lat":51.51},"sys":{"message":0.0346,"country":"GB","sunrise":1399350122,"sunset":1399404728},"weather":[{"id":721,"main":"Haze","description":"haze","icon":"50n"},{"id":500,"main":"Rain","description":"light rain","icon":"10n"}],"base":"cmc stations","main":{"temp":286.24,"humidity":83,"pressure":995,"temp_min":284.82,"temp_max":287.59},"wind":{"speed":3.77,"deg":220.5},"clouds":{"all":88},"dt":1399339749,"id":2643743,"name":"London","cod":200}'))
  end

  it 'writes the html to a file and opens it in a browser' do
    response.save_html!
    path = File.join(File.dirname(__FILE__), '../../tmp/')
    expect(File.exists?("#{path}body.html")).to eq(true)
  end
end
	require 'fileutils'

	class HttpResponse
	def initialize(text)
	@text = text
	@headers = @text.split("\n\n").first
	@body = @text.split("\n\n")[1]
	end

	def headers
	lines = @headers.split("\n")
	lines.shift
	new_lines = lines.map do \|line\|
	line.split(/[:\s]/, 2)
	end
	headers = new_lines.flatten.map do \|line\|
	line.strip
	end
	header_hash = {}
	Hash[*headers].each do \|k, v\|
	header_hash[k.downcase.gsub('-','_').to_sym] = v
	end
	header_hash
	end

	def body
	<<-BODY
	#{@body}
	BODY
	end

	def status_code
	status_line = @headers.split("\n").shift
	status_line.split(/[\s]/,2)[1].gsub(/[\D]/, '').to_i
	end

	def response_json
	if headers[:content_type].include?("json")
	JSON.parse(@body)
	else
	nil
	end
	end

	def save_html!
	path = File.join(File.dirname(__FILE__), '../tmp/')
	if headers[:content_type].include?("text/html")
	unless File.directory?(path)
	FileUtils.mkdir_p(path)
	end
	File.open "#{path}body.html", "w+" do \|file\|
	file.write(@body)
	end
	`open "#{path}body.html"`
	end
	end
	end
	require 'json'

	require 'spec_helper'
	require_relative '../../lib/http_response'

	describe "http_response" do
	let(:text) {
	<<-INPUT
	HTTP/1.1 200 OK
	Server: nginx/1.4.6 (Ubuntu)
	Date: Tue, 06 May 2014 02:17:16 GMT
	Content-Type: text/html
	Last-Modified: Sun, 27 Apr 2014 04:03:41 GMT
	Transfer-Encoding: chunked
	Connection: keep-alive
	Content-Encoding: gzip

	<!DOCTYPE html>
	<html lang="en">
	<head><meta charset="utf-8" />
	<meta name="description" content="should i test private methods?" />
	<meta name="keywords" content="test,private,methods,oo,object,oriented,tdd" />
	<title>Should I Test Private Methods?</title>
	</head>
	<body>
	<div style='font-size: 96px; font-weight: bold; text-align: center; padding-top: 200px; font-family: Verdana, Helvetica, sans-serif'>NO</div>
	<!-- Every time you consider testing a private method, your code is telling you that you haven't allocated responsibilities well. Are you listening to it? -->
	</body>
	</html>
	INPUT
	}
	let(:response) { HttpResponse.new(text) }

	let(:json) {
	<<-INPUT
	HTTP/1.1 200 OK
	Server: nginx
	Date: Tue, 06 May 2014 02:15:51 GMT
	Content-Type: application/json; charset=utf-8
	Transfer-Encoding: chunked
	Connection: keep-alive
	Access-Control-Allow-Origin: *
	Access-Control-Allow-Credentials: true
	Access-Control-Allow-Methods: GET, POST

	{"coord":{"lon":-0.13,"lat":51.51},"sys":{"message":0.0346,"country":"GB","sunrise":1399350122,"sunset":1399404728},"weather":[{"id":721,"main":"Haze","description":"haze","icon":"50n"},{"id":500,"main":"Rain","description":"light rain","icon":"10n"}],"base":"cmc stations","main":{"temp":286.24,"humidity":83,"pressure":995,"temp_min":284.82,"temp_max":287.59},"wind":{"speed":3.77,"deg":220.5},"clouds":{"all":88},"dt":1399339749,"id":2643743,"name":"London","cod":200}
	INPUT
	}

	it 'returns the headers' do
	expect(response.headers).to eq({:server=>"nginx/1.4.6 (Ubuntu)", :date=>"Tue, 06 May 2014 02:17:16 GMT", :content_type=>"text/html", :last_modified=>"Sun, 27 Apr 2014 04:03:41 GMT", :transfer_encoding=>"chunked", :connection=>"keep-alive", :content_encoding=>"gzip"})
	expect(response.headers).to_not include({"HTTP/1.1" => "200 OK"})
	end
	it 'returns the body' do
	body = <<-INPUT
	<!DOCTYPE html>
	<html lang="en">
	<head><meta charset="utf-8" />
	<meta name="description" content="should i test private methods?" />
	<meta name="keywords" content="test,private,methods,oo,object,oriented,tdd" />
	<title>Should I Test Private Methods?</title>
	</head>
	<body>
	<div style='font-size: 96px; font-weight: bold; text-align: center; padding-top: 200px; font-family: Verdana, Helvetica, sans-serif'>NO</div>
	<!-- Every time you consider testing a private method, your code is telling you that you haven't allocated responsibilities well. Are you listening to it? -->
	</body>
	</html>
	INPUT
	expect(response.body.strip).to eq(body.strip)
	end

	it 'returns the status code' do
	expect(response.status_code).to eq(200)
	end

	it 'returns a ruby hash if it is json' do
	expect(response.response_json).to eq(nil)
	json_response = HttpResponse.new(json)
	expect(json_response.response_json).to eq(JSON.parse('{"coord":{"lon":-0.13,"lat":51.51},"sys":{"message":0.0346,"country":"GB","sunrise":1399350122,"sunset":1399404728},"weather":[{"id":721,"main":"Haze","description":"haze","icon":"50n"},{"id":500,"main":"Rain","description":"light rain","icon":"10n"}],"base":"cmc stations","main":{"temp":286.24,"humidity":83,"pressure":995,"temp_min":284.82,"temp_max":287.59},"wind":{"speed":3.77,"deg":220.5},"clouds":{"all":88},"dt":1399339749,"id":2643743,"name":"London","cod":200}'))
	end

	it 'writes the html to a file and opens it in a browser' do
	response.save_html!
	path = File.join(File.dirname(__FILE__), '../../tmp/')
	expect(File.exists?("#{path}body.html")).to eq(true)
	end
	end