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author | Lisa Ugray <lisa.ugray@shopify.com> | 2017-07-19 14:56:35 -0400 |
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committer | Lisa Ugray <lisa.ugray@shopify.com> | 2017-07-21 13:58:10 -0400 |
commit | cb8d8909910e3c6d3b62574e8ce41a024323a00d (patch) | |
tree | 0e492534e5001beab6f7d2f717352388438d2e59 /activerecord/test | |
parent | 1f7f872ac6c8b57af6e0117bde5f6c38d0bae923 (diff) | |
download | rails-cb8d8909910e3c6d3b62574e8ce41a024323a00d.tar.gz rails-cb8d8909910e3c6d3b62574e8ce41a024323a00d.tar.bz2 rails-cb8d8909910e3c6d3b62574e8ce41a024323a00d.zip |
Match destroyed_by_association for has_one to has_many
When a has_many association is destroyed by `dependent: destroy`,
destroyed_by_association is set to the reflection, and this can be
checked in callbacks. This matches that behaviour for has_one
associations.
Diffstat (limited to 'activerecord/test')
-rw-r--r-- | activerecord/test/cases/associations/has_one_associations_test.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb index bf3b8dcd63..6c2b39edc2 100644 --- a/activerecord/test/cases/associations/has_one_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_associations_test.rb @@ -688,4 +688,38 @@ class HasOneAssociationsTest < ActiveRecord::TestCase SpecialAuthor.joins(book: :subscription).where.not(where_clause) end end + + class DestroyByParentBook < ActiveRecord::Base + self.table_name = "books" + belongs_to :author, class_name: "DestroyByParentAuthor" + before_destroy :dont, unless: :destroyed_by_association + + def dont + throw(:abort) + end + end + + class DestroyByParentAuthor < ActiveRecord::Base + self.table_name = "authors" + has_one :book, class_name: "DestroyByParentBook", foreign_key: "author_id", dependent: :destroy + end + + test "destroyed_by_association set in child destroy callback on parent destroy" do + author = DestroyByParentAuthor.create!(name: "Test") + book = DestroyByParentBook.create!(author: author) + + author.destroy + + assert_not DestroyByParentBook.exists?(book.id) + end + + test "destroyed_by_association set in child destroy callback on replace" do + author = DestroyByParentAuthor.create!(name: "Test") + book = DestroyByParentBook.create!(author: author) + + author.book = DestroyByParentBook.create! + author.save! + + assert_not DestroyByParentBook.exists?(book.id) + end end |