diff options
Diffstat (limited to 'activerecord/test/cases/finder_test.rb')
-rw-r--r-- | activerecord/test/cases/finder_test.rb | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 8369a10b5a..4769ffd64d 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -270,25 +270,27 @@ class FinderTest < ActiveRecord::TestCase end def test_exists_with_includes_limit_and_empty_result - assert_equal false, Topic.includes(:replies).limit(0).exists? - assert_equal false, Topic.includes(:replies).limit(1).where("0 = 1").exists? + assert_no_queries { assert_equal false, Topic.includes(:replies).limit(0).exists? } + assert_queries(1) { assert_equal false, Topic.includes(:replies).limit(1).where("0 = 1").exists? } end def test_exists_with_distinct_association_includes_and_limit author = Author.first - assert_equal false, author.unique_categorized_posts.includes(:special_comments).limit(0).exists? - assert_equal true, author.unique_categorized_posts.includes(:special_comments).limit(1).exists? + unique_categorized_posts = author.unique_categorized_posts.includes(:special_comments) + assert_no_queries { assert_equal false, unique_categorized_posts.limit(0).exists? } + assert_queries(1) { assert_equal true, unique_categorized_posts.limit(1).exists? } end def test_exists_with_distinct_association_includes_limit_and_order author = Author.first - assert_equal false, author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC").limit(0).exists? - assert_equal true, author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC").limit(1).exists? + unique_categorized_posts = author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC") + assert_no_queries { assert_equal false, unique_categorized_posts.limit(0).exists? } + assert_queries(1) { assert_equal true, unique_categorized_posts.limit(1).exists? } end def test_exists_should_reference_correct_aliases_while_joining_tables_of_has_many_through_association - developer = developers(:david) - assert_not_predicate developer.ratings.includes(comment: :post).where(posts: { id: 1 }), :exists? + ratings = developers(:david).ratings.includes(comment: :post).where(posts: { id: 1 }) + assert_queries(1) { assert_not_predicate ratings.limit(1), :exists? } end def test_exists_with_empty_table_and_no_args_given @@ -677,12 +679,34 @@ class FinderTest < ActiveRecord::TestCase assert_equal comments.limit(2).to_a.last(2), comments.limit(2).last(2) assert_equal comments.limit(2).to_a.last(3), comments.limit(2).last(3) + assert_equal comments.offset(2).to_a.last, comments.offset(2).last + assert_equal comments.offset(2).to_a.last(2), comments.offset(2).last(2) + assert_equal comments.offset(2).to_a.last(3), comments.offset(2).last(3) + comments = comments.offset(1) assert_equal comments.limit(2).to_a.last, comments.limit(2).last assert_equal comments.limit(2).to_a.last(2), comments.limit(2).last(2) assert_equal comments.limit(2).to_a.last(3), comments.limit(2).last(3) end + def test_first_on_relation_with_limit_and_offset + post = posts("sti_comments") + + comments = post.comments.order(id: :asc) + assert_equal comments.limit(2).to_a.first, comments.limit(2).first + assert_equal comments.limit(2).to_a.first(2), comments.limit(2).first(2) + assert_equal comments.limit(2).to_a.first(3), comments.limit(2).first(3) + + assert_equal comments.offset(2).to_a.first, comments.offset(2).first + assert_equal comments.offset(2).to_a.first(2), comments.offset(2).first(2) + assert_equal comments.offset(2).to_a.first(3), comments.offset(2).first(3) + + comments = comments.offset(1) + assert_equal comments.limit(2).to_a.first, comments.limit(2).first + assert_equal comments.limit(2).to_a.first(2), comments.limit(2).first(2) + assert_equal comments.limit(2).to_a.first(3), comments.limit(2).first(3) + end + def test_take_and_first_and_last_with_integer_should_return_an_array assert_kind_of Array, Topic.take(5) assert_kind_of Array, Topic.first(5) @@ -1049,14 +1073,6 @@ class FinderTest < ActiveRecord::TestCase assert_raise(ArgumentError) { Topic.find_by_title_and_author_name("The First Topic") } end - def test_find_last_with_offset - devs = Developer.order("id") - - assert_equal devs[2], Developer.offset(2).first - assert_equal devs[-3], Developer.offset(2).last - assert_equal devs[-3], Developer.offset(2).order("id DESC").first - end - def test_find_by_nil_attribute topic = Topic.find_by_last_read nil assert_not_nil topic @@ -1301,12 +1317,12 @@ class FinderTest < ActiveRecord::TestCase test "#skip_query_cache! for #exists? with a limited eager load" do Topic.cache do - assert_queries(2) do + assert_queries(1) do Topic.eager_load(:replies).limit(1).exists? Topic.eager_load(:replies).limit(1).exists? end - assert_queries(4) do + assert_queries(2) do Topic.eager_load(:replies).limit(1).skip_query_cache!.exists? Topic.eager_load(:replies).limit(1).skip_query_cache!.exists? end |