From 87d1aba3cba0d9b02490784b3090b0e5c94f56df Mon Sep 17 00:00:00 2001
From: Ivan Antropov <antropov.ivan@gmail.com>
Date: Sat, 26 Oct 2013 12:35:59 +0700
Subject: Fix bug, when ':dependent => :destroy' option violates foreign key
 constraints, issue #12380

---
 .../associations/belongs_to_associations_test.rb   | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'activerecord/test/cases')

diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb
index a79f145e31..19a8ae75ea 100644
--- a/activerecord/test/cases/associations/belongs_to_associations_test.rb
+++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb
@@ -831,3 +831,39 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase
     assert_equal post.author_id, author2.id
   end
 end
+
+class BelongsToWithForeignKeyTest < ActiveRecord::TestCase
+  def setup
+    ActiveRecord::Schema.define do
+      drop_table :authors, if_exists: true
+      drop_table :author_addresses, if_exists: true
+
+      create_table :author_addresses do |t|
+      end
+
+      exec_query  <<-eos
+        create table authors(
+          id int,
+          author_address_id int,
+          name varchar(255),
+          PRIMARY KEY (id),
+          FOREIGN KEY (author_address_id) REFERENCES author_addresses(id)
+        );
+      eos
+    end
+  end
+
+  def teardown
+    ActiveRecord::Schema.define do
+      drop_table :authors, if_exists: true
+      drop_table :author_addresses, if_exists: true
+    end
+  end
+
+  def test_destroy_linked_models
+    address = AuthorAddress.create!
+    author = Author.create! id: 1, name: "Author", author_address_id: address.id
+
+    author.destroy!
+  end
+end
-- 
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