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Diffstat (limited to 'spec/arel/integration/joins/with_adjacency_spec.rb')
| -rw-r--r-- | spec/arel/integration/joins/with_adjacency_spec.rb | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/spec/arel/integration/joins/with_adjacency_spec.rb b/spec/arel/integration/joins/with_adjacency_spec.rb deleted file mode 100644 index 559b5bbe1a..0000000000 --- a/spec/arel/integration/joins/with_adjacency_spec.rb +++ /dev/null @@ -1,139 +0,0 @@ -require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper') - -module Arel - describe Join do - before do - @relation1 = Arel(:users) - @relation2 = @relation1.alias - @predicate = @relation1[:id].eq(@relation2[:id]) - end - - describe 'when joining a relation to itself' do - describe '#to_sql' do - it 'manufactures sql aliasing the table and attributes properly in the join predicate and the where clause' do - @relation1.join(@relation2).on(@predicate).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name` - FROM `users` - INNER JOIN `users` AS `users_2` - ON `users`.`id` = `users_2`.`id` - ") - end - - describe 'when joining with a where on the same relation' do - it 'manufactures sql aliasing the tables properly' do - @relation1 \ - .join(@relation2.where(@relation2[:id].eq(1))) \ - .on(@predicate) \ - .to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name` - FROM `users` - INNER JOIN `users` AS `users_2` - ON `users`.`id` = `users_2`.`id` AND `users_2`.`id` = 1 - ") - end - - describe 'when the where occurs before the alias' do - it 'manufactures sql aliasing the predicates properly' do - relation2 = @relation1.where(@relation1[:id].eq(1)).alias - @relation1 \ - .join(relation2) \ - .on(relation2[:id].eq(@relation1[:id])) \ - .to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name` - FROM `users` - INNER JOIN `users` AS `users_2` - ON `users_2`.`id` = `users`.`id` AND `users_2`.`id` = 1 - ") - end - end - end - - describe 'when joining the relation to itself multiple times' do - before do - @relation3 = @relation1.alias - end - - describe 'when joining left-associatively' do - it 'manufactures sql aliasing the tables properly' do - @relation1 \ - .join(@relation2 \ - .join(@relation3) \ - .on(@relation2[:id].eq(@relation3[:id]))) \ - .on(@relation1[:id].eq(@relation2[:id])) \ - .to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name`, `users_3`.`id`, `users_3`.`name` - FROM `users` - INNER JOIN `users` AS `users_2` - ON `users`.`id` = `users_2`.`id` - INNER JOIN `users` AS `users_3` - ON `users_2`.`id` = `users_3`.`id` - ") - end - end - - describe 'when joining right-associatively' do - it 'manufactures sql aliasing the tables properly' do - @relation1 \ - .join(@relation2).on(@relation1[:id].eq(@relation2[:id])) \ - .join(@relation3).on(@relation2[:id].eq(@relation3[:id])) \ - .to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name`, `users_3`.`id`, `users_3`.`name` - FROM `users` - INNER JOIN `users` AS `users_2` - ON `users`.`id` = `users_2`.`id` - INNER JOIN `users` AS `users_3` - ON `users_2`.`id` = `users_3`.`id` - ") - end - end - end - end - - describe '[]' do - describe 'when given an attribute belonging to both sub-relations' do - it 'disambiguates the relation that serves as the ancestor to the attribute' do - @relation1 \ - .join(@relation2) \ - .on(@predicate) \ - .should disambiguate_attributes(@relation1[:id], @relation2[:id]) - end - - describe 'when both relations are compound and only one is an alias' do - it 'disambiguates the relation that serves as the ancestor to the attribute' do - compound1 = @relation1.where(@predicate) - compound2 = compound1.alias - compound1 \ - .join(compound2) \ - .on(@predicate) \ - .should disambiguate_attributes(compound1[:id], compound2[:id]) - end - end - - describe 'when the left relation is extremely compound' do - it 'disambiguates the relation that serves as the ancestor to the attribute' do - @relation1 \ - .where(@predicate) \ - .where(@predicate) \ - .join(@relation2) \ - .on(@predicate) \ - .should disambiguate_attributes(@relation1[:id], @relation2[:id]) - end - end - - describe 'when the right relation is extremely compound' do - it 'disambiguates the relation that serves as the ancestor to the attribute' do - @relation1 \ - .join( \ - @relation2 \ - .where(@predicate) \ - .where(@predicate) \ - .where(@predicate)) \ - .on(@predicate) \ - .should disambiguate_attributes(@relation1[:id], @relation2[:id]) - end - end - end - end - end - end -end |