From 66762b81f45a4499a749378bbf14eb64bc097d3a Mon Sep 17 00:00:00 2001 From: Quan Chau Date: Thu, 27 Dec 2018 10:59:18 -0800 Subject: Wrap Mysql count of deleted rows in lock block to avoid conflict in test --- .../mysql2/count_deleted_rows_with_lock_test.rb | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 activerecord/test/cases/adapters/mysql2/count_deleted_rows_with_lock_test.rb (limited to 'activerecord/test') diff --git a/activerecord/test/cases/adapters/mysql2/count_deleted_rows_with_lock_test.rb b/activerecord/test/cases/adapters/mysql2/count_deleted_rows_with_lock_test.rb new file mode 100644 index 0000000000..4d361e405c --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/count_deleted_rows_with_lock_test.rb @@ -0,0 +1,28 @@ +# frozen_string_literal: true + +require "cases/helper" +require "support/connection_helper" +require "models/author" +require "models/bulb" + +module ActiveRecord + class CountDeletedRowsWithLockTest < ActiveRecord::Mysql2TestCase + test "delete and create in different threads synchronize correctly" do + Bulb.unscoped.delete_all + Bulb.create!(name: "Jimmy", color: "blue") + + delete_thread = Thread.new do + Bulb.unscoped.delete_all + end + + create_thread = Thread.new do + Author.create!(name: "Tommy") + end + + delete_thread.join + create_thread.join + + assert_equal 1, delete_thread.value + end + end +end -- cgit v1.2.3