diff options
Diffstat (limited to 'activerecord/test/cases')
-rw-r--r-- | activerecord/test/cases/finder_test.rb | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 3e31874455..692c6bf2d0 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -486,6 +486,66 @@ class FinderTest < ActiveRecord::TestCase end end + def test_second_to_last + assert_equal topics(:fourth).title, Topic.second_to_last.title + + # test with offset + assert_equal topics(:fourth), Topic.offset(1).second_to_last + assert_equal topics(:fourth), Topic.offset(2).second_to_last + assert_equal topics(:fourth), Topic.offset(3).second_to_last + assert_equal nil, Topic.offset(4).second_to_last + assert_equal nil, Topic.offset(5).second_to_last + + #test with limit + # assert_equal nil, Topic.limit(1).second # TODO: currently failing + assert_equal nil, Topic.limit(1).second_to_last + end + + def test_second_to_last_have_primary_key_order_by_default + expected = topics(:fourth) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.second_to_last + end + + def test_model_class_responds_to_second_to_last_bang + assert Topic.second_to_last! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.second_to_last! + end + end + + def test_third_to_last + assert_equal topics(:third).title, Topic.third_to_last.title + + # test with offset + assert_equal topics(:third), Topic.offset(1).third_to_last + assert_equal topics(:third), Topic.offset(2).third_to_last + assert_equal nil, Topic.offset(3).third_to_last + assert_equal nil, Topic.offset(4).third_to_last + assert_equal nil, Topic.offset(5).third_to_last + + # test with limit + # assert_equal nil, Topic.limit(1).third # TODO: currently failing + assert_equal nil, Topic.limit(1).third_to_last + # assert_equal nil, Topic.limit(2).third # TODO: currently failing + assert_equal nil, Topic.limit(2).third_to_last + end + + def test_third_to_last_have_primary_key_order_by_default + expected = topics(:third) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.third_to_last + end + + def test_model_class_responds_to_third_to_last_bang + assert Topic.third_to_last! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.third_to_last! + end + end + def test_last_bang_present assert_nothing_raised do assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").last! |