First twitter client factory spec

twitter_client_factory_spec.rb

# spec/models/twitter_client_factory_spec.rb
require 'twitter'
require 'spec_helper'
require_relative '../../app/models/twitter_client_factory'

RSpec.describe TwitterClientFactory do
  describe '#call' do
    it 'builds a twitter client class with the passed config' do
      instance = TwitterClientFactory.new.call(
        'consumer_key' => 'ck',
        'consumer_secret' => 'cs',
        'access_token' => 'at',
        'access_token_secret' => 'ats'
      )

      expect(instance).to be_a Twitter::REST::Client
      expect(instance).to have_attributes(
        'consumer_key' => 'ck',
        'consumer_secret' => 'cs',
        'access_token' => 'at',
        'access_token_secret' => 'ats'
      )
    end
  end
end