Teste module em ruby

rules.rb

module Twitter
  module Rules

    def sort_relevants_followers_retweet_favourites(comments)
      comments.sort_by do |t|
        [  -t["followers_count"].to_i, -t["retweet_count"].to_i, -t["favourites_count"].to_i]
      end
    end

    def sort_mentions_followers_retweet_favourites(comments)
      comments.sort_by do |t|
        [  -t[t.first.first][0]["followers_count"].to_i, -t[t.first.first][0]["retweet_count"].to_i, -t[t.first.first][0]["favourites_count"].to_i]
      end
    end

    def remove_reply_tweet(comments)
      comments.reject{ |c| c["in_reply_to_user_id"].to_i == 42 }
    end

  end
end

rules_spec.rb

require 'rails_helper'

RSpec.describe Twitter::Rules do

  let(:twitter) { Twitter::WrapperService.new }

  it "Check sort_followers_retweet_favourites" do

    default_order = [
      {
        "followers_count" => 196,
        "screen_name" => "aaaaa",
        "retweet_count" => 8,
        "favorite_count" => 18,
        "twitter_reply" => false
      },
      {
        "followers_count" => 311,
        "screen_name" => "bbbbb",
        "retweet_count" => 10,
        "favorite_count" => 29,
        "twitter_reply" => false
      },
      {
        "followers_count" => 857,
        "screen_name" => "ccccc",
        "retweet_count" => 18,
        "favorite_count" => 40,
        "twitter_reply" => false
      }
    ]

    right_order = [
      {
        "followers_count" => 857,
        "screen_name" => "ccccc",
        "retweet_count" => 18,
        "favorite_count" => 40,
        "twitter_reply" => false
      },
      {
        "followers_count" => 311,
        "screen_name" => "bbbbb",
        "retweet_count" => 10,
        "favorite_count" => 29,
        "twitter_reply" => false
      },
      {
        "followers_count" => 196,
        "screen_name" => "aaaaa",
        "retweet_count" => 8,
        "favorite_count" => 18,
        "twitter_reply" => false
      },

    ]

    expect(right_order).to eq(twitter.sort_relevants_followers_retweet_favourites(default_order))
  end

  it "Check sort_mentions_followers_retweet_favourites" do

    default_order = [
      {
        "aaaaaaa" => [
          {
            "followers_count" => 405,
            "screen_name" => "aaaaaaa",
            "retweet_count" => 7,
            "favorite_count" => 12,
            "twitter_reply" => false
          }
        ]
      },
      {
        "bbbbbbb" => [
          {
            "followers_count" => 581,
            "screen_name" => "bbbbbbb",
            "retweet_count" => 0,
            "favorite_count" => 47,
            "twitter_reply" => true
          }
        ]
      },
      {
        "ccccccc" => [
          {
            "followers_count" => 584,
            "screen_name" => "ccccccc",
            "retweet_count" => 0,
            "favorite_count" => 34,
            "twitter_reply" => false
          }
        ]
      }
    ]

    right_order = [
      {
        "ccccccc" => [
          {
            "followers_count" => 584,
            "screen_name" => "ccccccc",
            "retweet_count" => 0,
            "favorite_count" => 34,
            "twitter_reply" => false
          }
        ]
      },
      {
        "bbbbbbb" => [
          {
            "followers_count" => 581,
            "screen_name" => "bbbbbbb",
            "retweet_count" => 0,
            "favorite_count" => 47,
            "twitter_reply" => true
          }
        ]
      },
      {
        "aaaaaaa" => [
          {
            "followers_count" => 405,
            "screen_name" => "aaaaaaa",
            "retweet_count" => 7,
            "favorite_count" => 12,
            "twitter_reply" => false
          }
        ]
      }
    ]

    expect(twitter.sort_mentions_followers_retweet_favourites(default_order)).to eq(right_order)
  end


  it "check remove_reply_tweet with in_reply_to_user_id == 42" do

    default_comments = [
      {
        "id_str" => "729391",
        "in_reply_to_user_id_str" => "",
        "text" => "Try to connect the IB panel, maybe it will c @lalalala ",
        "retweet_count" => 7,
        "in_reply_to_status_id_str" => "",
        "id" => 729391,
        "retweeted" => true,
        "in_reply_to_user_id" => "",
        "favorite_count" => 0,
        "in_reply_to_status_id" => ""
      },
      {
        "id_str" => "242420",
        "in_reply_to_user_id_str" => "",
        "text" => "You can't @lalalala  without quantifying the mobile!",
        "retweet_count" => 8,
        "in_reply_to_status_id_str" => "",
        "id" => 242420,
        "geo" => "",
        "retweeted" => true,
        "in_reply_to_user_id" => "42",
        "place" => "",
        "favorite_count" => 0,
        "in_reply_to_screen_name" => "",
        "source" => "web",
        "in_reply_to_status_id" => ""
      },
    ]
    expect(twitter.remove_reply_tweet(default_comments).size).to eq(1)
  end

end