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-rw-r--r--spec/arel/unit/relations/join_spec.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/spec/arel/unit/relations/join_spec.rb b/spec/arel/unit/relations/join_spec.rb
index d517da8c1f..a538c8af68 100644
--- a/spec/arel/unit/relations/join_spec.rb
+++ b/spec/arel/unit/relations/join_spec.rb
@@ -203,6 +203,23 @@ module Arel
end
end
end
+
+ describe 'something really really complex' do
+ it '' do
+ users = @relation1
+ photos = @relation2
+ users_2 = users.alias
+ photos_2 = photos.alias
+ r = users \
+ .join(photos) \
+ .on(photos[:user_id].eq users[:id]) \
+ .join(users_2) \
+ .on(users_2[:id].eq photos[:user_id]) \
+ .join(photos_2) \
+ .on(users_2[:id].eq photos_2[:user_id])
+ r.relation_for(photos[:user_id]).should == photos
+ end
+ end
describe '[]' do
describe 'when given an attribute belonging to both sub-relations' do