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Diffstat (limited to 'test/test_select_manager.rb')
-rw-r--r-- | test/test_select_manager.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/test_select_manager.rb b/test/test_select_manager.rb index 9a225edeec..e88f0e8e11 100644 --- a/test/test_select_manager.rb +++ b/test/test_select_manager.rb @@ -618,6 +618,16 @@ module Arel manager = Arel::SelectManager.new manager.join(nil).must_equal manager end + + it 'raises EmptyJoinError on empty' do + left = Table.new :users + manager = Arel::SelectManager.new + + manager.from left + assert_raises(EmptyJoinError) do + manager.join("") + end + end end describe 'outer join' do |