JoshCheek/rack_test_example.rb

## rack_test_example.rb
require 'sinatra/base'
require 'minitest/autorun'
require 'minitest/spec'
require "rack/test"
require 'nokogiri'


class MyApp < Sinatra::Base
  enable :inline_templates
  get '/users/:id' do
    "User number #{params[:id]} is an uppity know-it-all"
  end

  get '/start' do
    redirect '/finish'
  end

  get '/finish' do
    "You are at /finish, you came from #{env['HTTP_REFERER']}"
  end

  get '/has_html' do
    <<-HTML
    <!DOCTYPE html>
    <html>
      <head>
        <meta http-equiv="Content-type" content="text/html; charset=utf-8">
        <title>Omg, hello!</title>
        <faketag>don't find me!</faketag>
      </head>
      <body>
        <h1>A few of my favourite numbers!</h1>
        <ul><li>1</li>
            <li>2</li>
            <li>9</li>
            <li>3</li>
        </ul>
        <faketag>Find me!</faketag>
      </body>
    </html>
    HTML
  end

  get '/get_request' do
    ''
  end

  post '/users' do
    params.inspect
  end
end


describe 'Examples' do
  include Rack::Test::Methods

  def app
    MyApp.new
  end

  # list of methods from: https://github.com/brynary/rack-test/blob/d798a3dafd1ae3c5a7156b5c2a8c88a704b07a2d/lib/rack/test/methods.rb#L59-77
  it "pulls out params" do
    get "/users/456"
    assert last_response.ok?
    assert_includes last_response.body, "User number 456"
  end

  it 'redirects' do
    get '/start'
    assert last_response.redirect?
    follow_redirect!
    assert_equal "http://example.org/finish", last_request.url
    assert_equal "You are at /finish, you came from http://example.org/start", last_response.body
  end

  it 'parses html' do
    get '/has_html'
    doc = Nokogiri::HTML(last_response.body)

    # find all nodes that match this css selector
    values = doc.css('li').map { |li| li.text }
    assert_equal %w[1 2 9 3], values

    # find first node that matches this css selector
    assert_equal "Omg, hello!", doc.at_css('title').text

    # get the attribute off a node
    assert_equal 'text/html; charset=utf-8', doc.at_css('meta')['content']

    # find the li for 9
    assert_equal '9', doc.css('li').find { |li| li.text == '9' }.text

    # find the faketag in the body with css selectors
    assert_equal 'Find me!', doc.at_css('body faketag').text

    # find the faketag in the body with a subquery selectors
    body = doc.at_css('body')
    assert_equal 'Find me!', body.at_css('faketag').text
  end

  it "knows success (200) and not found (404) can't find endpoint if the method doesn't match" do
    get '/get_request'
    assert last_response.ok?
    assert_equal 200, last_response.status

    post '/get_request'
    assert last_response.not_found?
    assert_equal 404, last_response.status
  end

  it "posts a form, and everything gets turned into keys when going through http" do
    post '/users', user: { name: 'Carla', age: '28' }
    assert_equal '{"user"=>{"name"=>"Carla", "age"=>"28"}}', last_response.body
  end
end
	require 'sinatra/base'
	require 'minitest/autorun'
	require 'minitest/spec'
	require "rack/test"
	require 'nokogiri'


	class MyApp < Sinatra::Base
	enable :inline_templates
	get '/users/:id' do
	"User number #{params[:id]} is an uppity know-it-all"
	end

	get '/start' do
	redirect '/finish'
	end

	get '/finish' do
	"You are at /finish, you came from #{env['HTTP_REFERER']}"
	end

	get '/has_html' do
	<<-HTML
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-type" content="text/html; charset=utf-8">
	<title>Omg, hello!</title>
	<faketag>don't find me!</faketag>
	</head>
	<body>
	<h1>A few of my favourite numbers!</h1>
	<ul><li>1</li>
	<li>2</li>
	<li>9</li>
	<li>3</li>
	</ul>
	<faketag>Find me!</faketag>
	</body>
	</html>
	HTML
	end

	get '/get_request' do
	''
	end

	post '/users' do
	params.inspect
	end
	end



	describe 'Examples' do
	include Rack::Test::Methods

	def app
	MyApp.new
	end

	# list of methods from: https://github.com/brynary/rack-test/blob/d798a3dafd1ae3c5a7156b5c2a8c88a704b07a2d/lib/rack/test/methods.rb#L59-77
	it "pulls out params" do
	get "/users/456"
	assert last_response.ok?
	assert_includes last_response.body, "User number 456"
	end

	it 'redirects' do
	get '/start'
	assert last_response.redirect?
	follow_redirect!
	assert_equal "http://example.org/finish", last_request.url
	assert_equal "You are at /finish, you came from http://example.org/start", last_response.body
	end

	it 'parses html' do
	get '/has_html'
	doc = Nokogiri::HTML(last_response.body)

	# find all nodes that match this css selector
	values = doc.css('li').map { \|li\| li.text }
	assert_equal %w[1 2 9 3], values

	# find first node that matches this css selector
	assert_equal "Omg, hello!", doc.at_css('title').text

	# get the attribute off a node
	assert_equal 'text/html; charset=utf-8', doc.at_css('meta')['content']

	# find the li for 9
	assert_equal '9', doc.css('li').find { \|li\| li.text == '9' }.text

	# find the faketag in the body with css selectors
	assert_equal 'Find me!', doc.at_css('body faketag').text

	# find the faketag in the body with a subquery selectors
	body = doc.at_css('body')
	assert_equal 'Find me!', body.at_css('faketag').text
	end

	it "knows success (200) and not found (404) can't find endpoint if the method doesn't match" do
	get '/get_request'
	assert last_response.ok?
	assert_equal 200, last_response.status

	post '/get_request'
	assert last_response.not_found?
	assert_equal 404, last_response.status
	end

	it "posts a form, and everything gets turned into keys when going through http" do
	post '/users', user: { name: 'Carla', age: '28' }
	assert_equal '{"user"=>{"name"=>"Carla", "age"=>"28"}}', last_response.body
	end
	end