From 7aeca5066ada5077cb6aaf7fb331a146afc76cfd Mon Sep 17 00:00:00 2001 From: Kassio Borges Date: Mon, 18 Aug 2014 18:18:34 -0300 Subject: Fixes the `Relation#exists?` to work with polymorphic associations. Fixes #15821. --- activerecord/test/cases/finder_test.rb | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'activerecord/test/cases') diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 95d006279d..b42a60fea5 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -4,6 +4,7 @@ require 'models/author' require 'models/categorization' require 'models/comment' require 'models/company' +require 'models/tagging' require 'models/topic' require 'models/reply' require 'models/entrant' @@ -78,6 +79,19 @@ class FinderTest < ActiveRecord::TestCase assert_raise(NoMethodError) { Topic.exists?([1,2]) } end + def test_exists_with_polymorphic_relation + post = Post.create!(title: 'Post', body: 'default', taggings: [Tagging.new(comment: 'tagging comment')]) + relation = Post.tagged_with_comment('tagging comment') + + assert_equal true, relation.exists?(title: ['Post']) + assert_equal true, relation.exists?(['title LIKE ?', 'Post%']) + assert_equal true, relation.exists? + assert_equal true, relation.exists?(post.id) + assert_equal true, relation.exists?(post.id.to_s) + + assert_equal false, relation.exists?(false) + end + def test_exists_passing_active_record_object_is_deprecated assert_deprecated do Topic.exists?(Topic.new) -- cgit v1.2.3