require 'spec_helper'

module Bullet
  module Detector
    describe CounterCache do
      before :all do
        @post1 = Post.first
        @post2 = Post.last
      end

      context '.add_counter_cache' do
        it 'should create notification if conditions met' do
          expect(CounterCache).to receive(:conditions_met?).with(@post1, [:comments]).and_return(true)
          expect(CounterCache).to receive(:create_notification).with('Post', [:comments])
          CounterCache.add_counter_cache(@post1, [:comments])
        end

        it 'should not create notification if conditions not met' do
          expect(CounterCache).to receive(:conditions_met?).with(@post1, [:comments]).and_return(false)
          expect(CounterCache).to receive(:create_notification).never
          CounterCache.add_counter_cache(@post1, [:comments])
        end
      end

      context '.add_possible_objects' do
        it 'should add possible objects' do
          CounterCache.add_possible_objects([@post1, @post2])
          expect(CounterCache.possible_objects).to be_include(@post1.bullet_key)
          expect(CounterCache.possible_objects).to be_include(@post2.bullet_key)
        end

        it 'should add impossible object' do
          CounterCache.add_impossible_object(@post1)
          expect(CounterCache.impossible_objects).to be_include(@post1.bullet_key)
        end
      end

      context '.conditions_met?' do
        it 'should be true when object is possible, not impossible' do
          CounterCache.add_possible_objects(@post1)
          expect(CounterCache.conditions_met?(@post1, :associations)).to eq true
        end

        it 'should be false when object is not possible' do
          expect(CounterCache.conditions_met?(@post1, :associations)).to eq false
        end

        it 'should be true when object is possible, and impossible' do
          CounterCache.add_possible_objects(@post1)
          CounterCache.add_impossible_object(@post1)
          expect(CounterCache.conditions_met?(@post1, :associations)).to eq false
        end
      end
    end
  end
end