require 'spec_helper'

describe Settings do

  describe 'Settings.defaults' do
    it 'not raises errors' do
      expect{ Settings.default {} }.to_not raise_error
    end
  end

  describe 'general' do
    it 'not raises error on create new instance of Settings' do
      expect{ Settings.new }.to_not raise_error
    end
    it 'not raises error on create new element' do
      expect{ Settings.hello = Faker::Lorem.word }.to_not raise_error
    end
    it 'returns same Fixnum' do
      word = Faker::Lorem.word
      Settings.number = 100
      expect( Settings.number ).to eq(100)
    end
    it 'returns same String' do
      word = Faker::Lorem.word
      Settings.hello = word
      expect( Settings.hello ).to eq(word)
    end
    it 'returns same value for complex key #1' do
      word = Faker::Lorem.word
      Settings.hello.hello = word
      expect( Settings.hello.hello ).to eq(word)
    end
    it 'returns same value for complex key #2' do
      word = Faker::Lorem.word
      Settings.i.hello = word
      expect( Settings.i.hello ).to eq(word)
    end
    it 'not destroys record with nil value #1' do
      word = Faker::Lorem.word
      Settings.some = word
      expect{ Settings.some = nil }.to change{ Settings.count }.by(0)
    end

    it 'not destroys record with nil value #2' do
      Settings.some.hello = Faker::Lorem.word
      expect{ Settings.some.hello = nil }.to change{ Settings.count }.by(0)
    end
  end

  describe 'with empty value' do
    it 'returns empty string' do
      expect( "#{Settings.not_found}" ).to eq("")
    end

    it 'returns value.nil? is true' do
      expect( Settings.not_found.nil? ).to be(true)
    end

    it 'returns value.empty? is true' do
      expect( Settings.not_found.empty? ).to be(true)
    end

    it 'returns value.blank? is true' do
      expect( Settings.not_found.blank? ).to be(true)
    end

    it 'returns value.present? is false' do
      expect( Settings.not_found.present? ).to be(false)
    end
  end

  describe 'caching' do
    it 'delete key before destroy' do
      Settings.some.hello = Faker::Lorem.word
      Settings.all.each{|e| e.destroy! }
      expect( Rails.cache.exist?('settingson_cache/some.hello') ).to be false
    end

    it 'returns empty value after destroy' do
      Settings.some.hello = Faker::Lorem.word
      Settings.all.each{|e| e.destroy! }
      expect( Settings.some.hello.to_s ).to be_empty
    end
  end

end