activerecord/test/cases/custom_locking_test.rb


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require "cases/helper"
require 'models/person'

module ActiveRecord
  class CustomLockingTest < ActiveRecord::TestCase
    fixtures :people

    def test_custom_lock
      if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
        assert_match 'SHARE MODE', Person.lock('LOCK IN SHARE MODE').to_sql
        assert_sql(/LOCK IN SHARE MODE/) do
          Person.all.merge!(:lock => 'LOCK IN SHARE MODE').find(1)
        end
      end
    end
  end
end