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-rw-r--r--activerecord/test/cases/associations/has_many_associations_test.rb16
-rw-r--r--activerecord/test/cases/associations/has_one_associations_test.rb18
-rw-r--r--activerecord/test/models/drink_designer.rb6
-rw-r--r--activerecord/test/models/person.rb5
4 files changed, 45 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 5921193374..4b9b55f822 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -1815,6 +1815,22 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
assert_equal num_accounts, Account.count
end
+ def test_depends_and_nullify_on_polymorphic_assoc
+ author = PersonWithPolymorphicDependentNullifyComments.create!(first_name: "Laertis")
+ comment = posts(:welcome).comments.first
+ comment.author = author
+ comment.save!
+
+ assert_equal comment.author_id, author.id
+ assert_equal comment.author_type, author.class.name
+
+ author.destroy
+ comment.reload
+
+ assert_nil comment.author_id
+ assert_nil comment.author_type
+ end
+
def test_restrict_with_exception
firm = RestrictedWithExceptionFirm.create!(name: "restrict")
firm.companies.create(name: "child")
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb
index bf574f6637..3e5b5c1275 100644
--- a/activerecord/test/cases/associations/has_one_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_associations_test.rb
@@ -12,6 +12,9 @@ require "models/bulb"
require "models/author"
require "models/image"
require "models/post"
+require "models/drink_designer"
+require "models/chef"
+require "models/department"
class HasOneAssociationsTest < ActiveRecord::TestCase
self.use_transactional_tests = false unless supports_savepoints?
@@ -114,6 +117,21 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
assert_nil Account.find(old_account_id).firm_id
end
+ def test_nullify_on_polymorphic_association
+ department = Department.create!
+ designer = DrinkDesignerWithPolymorphicDependentNullifyChef.create!
+ chef = department.chefs.create!(employable: designer)
+
+ assert_equal chef.employable_id, designer.id
+ assert_equal chef.employable_type, designer.class.name
+
+ designer.destroy!
+ chef.reload
+
+ assert_nil chef.employable_id
+ assert_nil chef.employable_type
+ end
+
def test_nullification_on_destroyed_association
developer = Developer.create!(name: "Someone")
ship = Ship.create!(name: "Planet Caravan", developer: developer)
diff --git a/activerecord/test/models/drink_designer.rb b/activerecord/test/models/drink_designer.rb
index eb6701b84e..8258408f35 100644
--- a/activerecord/test/models/drink_designer.rb
+++ b/activerecord/test/models/drink_designer.rb
@@ -4,5 +4,11 @@ class DrinkDesigner < ActiveRecord::Base
has_one :chef, as: :employable
end
+class DrinkDesignerWithPolymorphicDependentNullifyChef < ActiveRecord::Base
+ self.table_name = "drink_designers"
+
+ has_one :chef, as: :employable, dependent: :nullify
+end
+
class MocktailDesigner < DrinkDesigner
end
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index 5cba1e440e..c3d15a571a 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -62,6 +62,11 @@ class PersonWithDependentNullifyJobs < ActiveRecord::Base
has_many :jobs, source: :job, through: :references, dependent: :nullify
end
+class PersonWithPolymorphicDependentNullifyComments < ActiveRecord::Base
+ self.table_name = "people"
+ has_many :comments, as: :author, dependent: :nullify
+end
+
class LoosePerson < ActiveRecord::Base
self.table_name = "people"
self.abstract_class = true