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Merge pull request #12443 from arthurnn/add_inverse_of_add_target

Add inverse of add target
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commit 7ed5bdc834479c39e3b0ad5a38bcffe27983c10d 2 parents 31c79e2 + fc59e99
@rafaelfranca rafaelfranca authored
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1  activerecord/lib/active_record/associations/collection_association.rb
@@ -350,6 +350,7 @@ def add_to_target(record)
end
callback(:after_add, record)
+ set_inverse_instance(record)
record
end
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13 activerecord/test/cases/associations/inverse_associations_test.rb
@@ -290,6 +290,19 @@ def test_parent_instance_should_be_shared_with_first_n_and_last_n_children
def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error
assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Man.find(:first).secret_interests }
end
+
+ def test_child_instance_should_point_to_parent_without_saving
+ man = Man.new
+ i = Interest.create(:topic => 'Industrial Revolution Re-enactment')
+
+ man.interests << i
+ assert_not_nil i.man
+
+ i.man.name = "Charles"
+ assert_equal i.man.name, man.name
+
+ assert !man.persisted?
+ end
end
class InverseBelongsToTests < ActiveRecord::TestCase
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