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Diffstat (limited to 'test/test_select_manager.rb')
-rw-r--r-- | test/test_select_manager.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/test_select_manager.rb b/test/test_select_manager.rb index 611bba10c2..09608ea71e 100644 --- a/test/test_select_manager.rb +++ b/test/test_select_manager.rb @@ -579,6 +579,28 @@ module Arel end end + describe 'outer join' do + it 'responds to join' do + left = Table.new :users + right = left.alias + predicate = left[:id].eq(right[:id]) + manager = Arel::SelectManager.new Table.engine + + manager.from left + manager.outer_join(right).on(predicate) + manager.to_sql.must_be_like %{ + SELECT FROM "users" + LEFT OUTER JOIN "users" "users_2" + ON "users"."id" = "users_2"."id" + } + end + + it 'noops on nil' do + manager = Arel::SelectManager.new Table.engine + manager.outer_join(nil).must_equal manager + end + end + describe 'joins' do it 'returns join sql' do table = Table.new :users |