diff options
Diffstat (limited to 'activerecord/test/cases/associations/left_outer_join_association_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/left_outer_join_association_test.rb | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/activerecord/test/cases/associations/left_outer_join_association_test.rb b/activerecord/test/cases/associations/left_outer_join_association_test.rb index d814229f64..2cc6468827 100644 --- a/activerecord/test/cases/associations/left_outer_join_association_test.rb +++ b/activerecord/test/cases/associations/left_outer_join_association_test.rb @@ -25,23 +25,32 @@ class LeftOuterJoinAssociationTest < ActiveRecord::TestCase end end - def test_construct_finder_sql_executes_a_left_outer_join - assert_not_equal Author.count, Author.joins(:posts).count - assert_equal Author.count, Author.left_outer_joins(:posts).count + def test_left_outer_joins_count_is_same_as_size_of_loaded_results + assert_equal 17, Post.left_outer_joins(:comments).to_a.size + assert_equal 17, Post.left_outer_joins(:comments).count end - def test_left_outer_join_by_left_joins - assert_not_equal Author.count, Author.joins(:posts).count - assert_equal Author.count, Author.left_joins(:posts).count + def test_left_joins_aliases_left_outer_joins + assert_equal Post.left_outer_joins(:comments).to_sql, Post.left_joins(:comments).to_sql + end + + def test_left_outer_joins_return_has_value_for_every_comment + all_post_ids = Post.pluck(:id) + assert_equal all_post_ids, all_post_ids & Post.left_outer_joins(:comments).pluck(:id) + end + + def test_left_outer_joins_actually_does_a_left_outer_join + queries = capture_sql { Author.left_outer_joins(:posts).to_a } + assert queries.any? { |sql| /LEFT OUTER JOIN/i.match?(sql) } end def test_construct_finder_sql_ignores_empty_left_outer_joins_hash - queries = capture_sql { Author.left_outer_joins({}) } + queries = capture_sql { Author.left_outer_joins({}).to_a } assert queries.none? { |sql| /LEFT OUTER JOIN/i.match?(sql) } end def test_construct_finder_sql_ignores_empty_left_outer_joins_array - queries = capture_sql { Author.left_outer_joins([]) } + queries = capture_sql { Author.left_outer_joins([]).to_a } assert queries.none? { |sql| /LEFT OUTER JOIN/i.match?(sql) } end |