From 8270e4a8ce8337fca98030953922e5992b06a3dd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juanjo=20Baza=CC=81n?= Date: Mon, 30 Jan 2012 21:36:47 +0100 Subject: Added `none` query method to return zero records. And added NullRelation class implementing the null object pattern for the `Relation` class. --- activerecord/test/cases/relations_test.rb | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'activerecord/test/cases') diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 5e19465253..0471d03f3b 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -215,6 +215,19 @@ class RelationTest < ActiveRecord::TestCase assert_equal [2, 4, 6, 8, 10], even_ids.sort end + def test_none + assert_no_queries do + assert_equal [], Developer.none + assert_equal [], Developer.scoped.none + end + end + + def test_none_chainable + assert_no_queries do + assert_equal [], Developer.none.where(:name => 'David') + end + end + def test_joins_with_nil_argument assert_nothing_raised { DependentFirm.joins(nil).first } end -- cgit v1.2.3