tweet_spec.rb

describe Tweet do
  describe "basic fetching of tweets" do
    it "should fetch new tweets from Twitter" do
      new_search = mock(Twitter::Search)
      search_containing = mock(Twitter::Search)
      search_not_retweeted = mock(Twitter::Search)
      search_since = mock(Twitter::Search)
      last_id_processed = Tweet.stub!(:last_id_processed => 123)
      search_since = mock(Twitter::Search)

      Twitter::Search.should_receive(:new).and_return(new_search)
      new_search.should_receive(:containing).with('protip:').and_return(search_containing)
      search_containing.should_receive(:not_retweeted).and_return(search_not_retweeted)
      search_not_retweeted.should_receive(:since).with(123).and_return(search_since)
      search_since.should_receive(:fetch)

      Tweet.fetch_new_tweets
    end

    it "should get the last tweet_id processed from the database" do
      last_tweet = mock(Tweet)

      Tweet.should_receive(:last).and_return(last_tweet)
      last_tweet.should_receive(:object_id)

      Tweet.last_id_processed
    end
  end
end