activerecord/test/cases/connection_test_mysql.rb


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require "cases/helper"

class MysqlConnectionTest < ActiveRecord::TestCase
  def setup
    @connection = ActiveRecord::Base.connection
  end

  def test_no_automatic_reconnection_after_timeout
    assert @connection.active?
    @connection.update('set @@wait_timeout=1')
    sleep 2
    assert !@connection.active?
  end

  def test_successful_reconnection_after_timeout_with_manual_reconnect
    assert @connection.active?
    @connection.update('set @@wait_timeout=1')
    sleep 2
    @connection.reconnect!
    assert @connection.active?
  end

  def test_successful_reconnection_after_timeout_with_verify
    assert @connection.active?
    @connection.update('set @@wait_timeout=1')
    sleep 2
    @connection.verify!(0)
    assert @connection.active?
  end
end