require 'acts_as_votable'
require 'spec_helper'

describe ActsAsVotable::Votable do

  before(:each) do
    clean_database
  end

  it "should not be votable" do
    NotVotable.should_not be_votable
  end

  it "should be votable" do
    Votable.should be_votable
  end
 
  describe "voting on a votable object" do

    before(:each) do
      clean_database
      @voter = Voter.new(:name => 'i can vote!')
      @voter.save

      @voter2 = Voter.new(:name => 'a new person')
      @voter2.save
      
      @votable = Votable.new(:name => 'a voting model')
      @votable.save
    end

    it "should return false when a vote with no voter is saved" do
      @votable.vote.should be false
    end

    it "should have one vote when saved" do
      @votable.vote :voter => @voter, :vote => 'yes'
      @votable.votes.should == 1
    end
    
    it "should have one vote when voted on twice by the same person" do
      @votable.vote :voter => @voter, :vote => 'yes'
      @votable.vote :voter => @voter, :vote => 'no'
      @votable.votes.should == 1
    end

    it "should have 2 votes when voted on once by two different people" do
      @votable.vote :voter => @voter
      @votable.vote :voter => @voter2
      @votable.votes.should == 2
    end

    it "should have one true vote" do
      @votable.vote :voter => @voter
      @votable.vote :voter => @voter2, :vote => 'dislike'
      @votable.count_votes_true.should == 1
    end

    it "should have 2 false votes" do
      @votable.vote :voter => @voter, :vote => 'no'
      @votable.vote :voter => @voter2, :vote => 'dislike'
      @votable.count_votes_false.should == 2
    end

    it "should have been voted on by voter2" do
      @votable.vote :voter => @voter2, :vote => true
      @votable.find_votes.first.voter.id.should be @voter2.id
    end

    it "should count the vote as registered if this is the voters first vote" do
      @votable.vote :voter => @voter
      @votable.vote_registered?.should be true
    end

    it "should not count the vote as being registered if that voter has already voted and the vote has not changed" do
      @votable.vote :voter => @voter, :vote => true
      @votable.vote :voter => @voter, :vote => 'yes'
      @votable.vote_registered?.should be false
    end
    
    it "should count the vote as registered if the voter has voted and the vote has changed" do
      @votable.vote :voter => @voter, :vote => true
      @votable.vote :voter => @voter, :vote => 'dislike'
      @votable.vote_registered?.should be true
    end

    it "should be voted on by voter" do
      @votable.vote :voter => @voter
      @votable.voted_on_by?(@voter).should be true
    end

    it "should be thread safe" do
      votable2 = Votable.new(:name => '2nd votable')
      votable2.save
      
      @votable.vote :voter => @voter, :vote => false
      votable2.vote :voter => @voter, :vote => true
      votable2.vote :voter => @voter, :vote => true

      @votable.vote_registered?.should be true
      votable2.vote_registered?.should be false
    end


    describe "with cached votes" do

      before(:each) do
        clean_database
        @voter = Voter.new(:name => 'i can vote!')
        @voter.save

        @votable = Votable.new(:name => 'a voting model without a cache')
        @votable.save

        @votable_cache = VotableCache.new(:name => 'voting model with cache')
        @votable_cache.save
      end

      it "should not update cached votes if there are no columns" do
        @votable.vote :voter => @voter
      end

      it "should update cached total votes if there is a total column" do
        @votable_cache.cached_votes_total = 50
        @votable_cache.vote :voter => @voter
        @votable_cache.cached_votes_total.should == 1
      end

      it "should update cached up votes if there is an up vote column" do
        @votable_cache.cached_votes_up = 50
        @votable_cache.vote :voter => @voter
        @votable_cache.vote :voter => @voter
        @votable_cache.cached_votes_up.should == 1
      end

      it "should update cached down votes if there is a down vote column" do
        @votable_cache.cached_votes_down = 50
        @votable_cache.vote :voter => @voter, :vote => 'false'
        @votable_cache.cached_votes_down.should == 1
      end

      it "should select from cached total votes if there a total column" do
        @votable_cache.vote :voter => @voter
        @votable_cache.cached_votes_total = 50
        @votable_cache.votes.should == 50
      end

      it "should select from cached up votes if there is an up vote column" do
        @votable_cache.vote :voter => @voter
        @votable_cache.cached_votes_up = 50
        @votable_cache.count_votes_true.should == 50
      end

      it "should select from cached down votes if there is a down vote column" do
        @votable_cache.vote :voter => @voter, :vote => 'false'
        @votable_cache.cached_votes_down = 50
        @votable_cache.count_votes_false.should == 50
      end

    end

  end


end