gistfile1.txt

# posts_routes.rb
require 'sinatra/base'
require 'json'
require 'active_record'

class Post < ActiveRecord::Base
end

class PostsRoutes < Sinatra::Base
  enable :logging, :dump_errors, :raise_errors

  post '/posts' do
    request_body = JSON.parse request.body.read
    post = Post.create(body: request_body['body'])
    post.to_json
  end

  get '/post/:id' do
    Post.find(params['id']).to_json
  end

  delete '/post/:id' do
    Post.destroy(params['id'])
  end

  put '/post/:id' do
    request_body = JSON.parse request.body.read
    post = Post.find(params['id'])
    post.update(body: request_body['body'])
    post.to_json
  end
end

# server_test.rb
require 'minitest/autorun'
require 'rack/test'
require 'json'
require_relative '../lib/server'
require_relative './test_helper'

class ServerTest < MiniTest::Test
  include Rack::Test::Methods
  include TestHelper::Methods

  def app
    Server
  end

  def test_hello_world
    get '/'
    assert last_response.ok?
    assert_equal 'Hello, world!', last_response.body
  end

  def test_ping
    get '/ping'
    assert last_response.ok?
    assert_equal 'Pong', last_response.body
  end

  def test_reflection
    body = { greeting: 'Hello, world!' }

    response_body = _test_post_json '/reflection', body.to_json
    assert_equal body[:greeting], response_body['greeting']
  end

  def test_post_create
    body = { body: 'Hello, world!' }
    _create_post body
  end

  def test_post_get
    # creating the post
    body = { body: 'Hello, world!' }
    create_response_body = _create_post body

    # fetching it
    id = create_response_body['id']
    get "/post/#{id}"

    assert last_response.ok?

    get_response_body = JSON.parse last_response.body
    assert_equal create_response_body['body'], get_response_body['body']
  end

  def test_post_delete
    # creating the post
    body = { body: 'Hello, world!' }
    create_response_body = _create_post body

    # deleting it
    id = create_response_body['id']
    delete "/post/#{id}"

    assert last_response.ok?
  end

  def test_post_put
    # creating the post
    create_body = { body: 'Hello, world!' }
    create_response_body = _create_post create_body

    # updating it
    id = create_response_body['id']
    url = "/post/#{id}"
    put_body = { body: 'Jello, world!' }
    put url, put_body

    assert last_response.ok?, "PUT #{url} was not 200: #{last_response.status}"
  end
end