kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

tests for use of primary_key with limit

Browse source
This commit is contained in:
Brian Christian 2016-10-03 10:08:04 -07:00
parent 1a0bcc3b49
commit 83f755ff66
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
activerecord/test/cases/finder_test.rb
View file

@ -1265,6 +1265,21 @@ class FinderTest < ActiveRecord::TestCase
end
end
def test_first_and_last_with_limit_for_order_without_primary_key
# While Topic.first should impose an ordering by primary key,
# Topic.limit(n).first should not
Topic.first.touch # PostgreSQL changes the default order if no order clause is used
assert_equal Topic.limit(1).to_a.first, Topic.limit(1).first
assert_equal Topic.limit(2).to_a.first, Topic.limit(2).first
assert_equal Topic.limit(2).to_a.first(2), Topic.limit(2).first(2)
assert_equal Topic.limit(1).to_a.last, Topic.limit(1).last
assert_equal Topic.limit(2).to_a.last, Topic.limit(2).last
assert_equal Topic.limit(2).to_a.last(2), Topic.limit(2).last(2)
end
def test_finder_with_offset_string
assert_nothing_raised { Topic.offset("3").to_a }
end