basic_twitter_bot.feature

Feature: Basic communication
  Background:
    Given mimibot logs into Twitter as "mickey24_bot"

  Scenario: No reaction if no mention
    Given there's no mention to mimibot on Twitter
    When mimibot runs
    Then mimibot gets mentions from Twitter
    And mimibot does nothing

  Scenario: Reply "hi." to the mention "hi."
    Given there's a mention "hi." to mimibot on Twitter
    When mimibot runs
    Then mimibot gets mentions from Twitter
    And mimibot replies "hi." to the mention

basic_twitter_bot_steps.rb

require 'cgi'

module FakeTwitterService
  def set_mentions_to_twitter(mentions)
    stub_request(:get, "https://api.twitter.com/1.1/statuses/mentions_timeline.json").
      to_return(status: 200, body: mentions)
  end

  def mentions_request_should_have_been_made
    get_request_should_have_been_made("https://api.twitter.com/1.1/statuses/mentions_timeline.json")
  end

  def update_request_should_have_been_made(status, in_reply_to_status_id)
    status = CGI.escape(status)
    post_request_should_have_been_made(
      "https://api.twitter.com/1.1/statuses/update.json",
      "in_reply_to_status_id=#{in_reply_to_status_id}&status=#{status}")
  end

  private

  def stub_request(method, uri)
    WebMock.stub_request(method, uri).
      with {|request| validate_oauth_header(request.headers["Authorization"])}
  end

  def get_request_should_have_been_made(uri)
    WebMock.a_request(:get, uri).
      with {|request| validate_oauth_header(request.headers["Authorization"])}.
      should have_been_made
  end

  def post_request_should_have_been_made(uri, body)
    WebMock.a_request(:post, uri).
      with {|request| validate_oauth_header(request.headers["Authorization"])}.
      with {|request| request.body == body}.
      should have_been_made
  end
  
  def validate_oauth_header(str)
    # See: https://dev.twitter.com/docs/auth/authorizing-request
    str =~ /\AOAuth\s/ &&
    str =~ /\boauth_consumer_key="CK"/ &&
    str =~ /\boauth_nonce="[^"]+"/ &&
    str =~ /\boauth_signature="[^"]+"/ &&
    str =~ /\boauth_signature_method="HMAC-SHA1"/ &&
    str =~ /\boauth_timestamp="\d+"/ &&
    str =~ /\boauth_token="OT"/ &&
    str =~ /\boauth_version="1.0"/
  end
end

module BasicSteps
  include FakeTwitterService

  step "mimibot logs into Twitter as :screen_name" do |screen_name|
    @mimi = MimibotMain.new(screen_name)
  end

  step "there's no mention to mimibot on Twitter" do
    set_mentions_to_twitter("[]")
  end

  step "there's a mention :mention to mimibot on Twitter" do |mention|
    set_mentions_to_twitter(<<EOM)
[
  {
    "created_at": "Thu Dec 26 17:32:17 +0900 2013",
    "id": 123,
    "text": "@mickey24_bot #{mention}",
    "user": {
      "screen_name": "mickey24"
    }
  }
]
EOM
  end

  step "mimibot runs" do
    # Forbid disallowed http requests.
    WebMock.disable_net_connect!
    @mimi.run
  end

  step "mimibot gets mentions from Twitter" do
    mentions_request_should_have_been_made
  end

  step "mimibot does nothing" do
  end

  step "mimibot replies :reply to the mention" do |reply|
    update_request_should_have_been_made("@mickey24 #{reply}", 123)
  end
end

RSpec.configure {|c| c.include BasicSteps}

spec_helper.rb

require 'bundler/setup'
require 'webmock/rspec'

require 'mimibot'

Dir.glob("spec/steps/**/*steps.rb") {|f| load f, true}

turnip output

.F

Failures:

  1) Basic communication Reply "hi." to the mention "hi." there's a mention "hi." to mimibot on Twitter -> mimibot runs -> mimibot gets mentions from Twitter -> mimibot replies "hi." to the mention
     Failure/Error: Unable to find matching line from backtrace
     WebMock::NetConnectNotAllowedError:
       Real HTTP connections are disabled. Unregistered request: POST https://api.twitter.com/1.1/statuses/update.json with body 'in_reply_to_status_id=123&status=%40mickey24+hi.' with headers {'Accept'=>'application/json', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Authorization'=>'OAuth oauth_consumer_key="CK", oauth_nonce="86eb3bb1329e4ca821b2620797e3b399", oauth_signature="XMb43ClLUiLSns5ad6dJn%2Bh3%2Be8%3D", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1388052147", oauth_token="OT", oauth_version="1.0"', 'Content-Type'=>'application/x-www-form-urlencoded', 'User-Agent'=>'Twitter Ruby Gem 5.4.1'}
       
       You can stub this request with the following snippet:
       
       stub_request(:post, "https://api.twitter.com/1.1/statuses/update.json").
         with(:body => {"in_reply_to_status_id"=>"123", "status"=>"@mickey24 hi."},
              :headers => {'Accept'=>'application/json', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Authorization'=>'OAuth oauth_consumer_key="CK", oauth_nonce="86eb3bb1329e4ca821b2620797e3b399", oauth_signature="XMb43ClLUiLSns5ad6dJn%2Bh3%2Be8%3D", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1388052147", oauth_token="OT", oauth_version="1.0"', 'Content-Type'=>'application/x-www-form-urlencoded', 'User-Agent'=>'Twitter Ruby Gem 5.4.1'}).
         to_return(:status => 200, :body => "", :headers => {})
       
       registered request stubs:
       
       stub_request(:get, "https://api.twitter.com/1.1/statuses/mentions_timeline.json")
       
       ============================================================
     # ./lib/mimibot/mimibot_main.rb:17:in `run'
     # spec/steps/basic_steps.rb:100:in `block in <module:BasicSteps>'

Finished in 0.03332 seconds
2 examples, 1 failure