Contents

# -*- encoding : utf-8 -*-
require 'active_record/test_helper'

class ActiveRecord::PreloaderTest < Minitest::Test
  def setup
    DatabaseCleaner[:active_record].start
    @topic1 = Topic.create :title => "title1", :body => "body1"
    @topic2 = Topic.create :title => "title2", :body => "body2"
    @topic3 = Topic.create :title => "title3", :body => "body3"
    @post1 = @topic1.posts.create :body => "post1"
    @post2 = @topic2.posts.create :body => "post2"
    @post3 = @topic3.posts.create :body => "post3"
  end

  def test_preload_work_properly
    results = Post.includes(:topic).order("id ASC").to_a
    assert_equal results.size, 3
    assert_equal results.first.topic, @topic1
  end

  def test_when_read_multi_missed_from_cache_AR_will_fetch_missed_records_from_db
    @topic1.expire_second_level_cache
    results = Post.includes(:topic).order("id ASC").to_a
    assert_equal results.size, 3
    assert_equal results.first.topic, @topic1
    assert_match /IN\s+\(#{@topic1.id}\)/m, $sql_logger
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
second_level_cache-2.1.0.rc2	test/active_record/preloader_test.rb
second_level_cache-2.1.0.rc1	test/active_record/preloader_test.rb