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require "cases/helper"

class MysqlConnectionTest < ActiveRecord::TestCase
  def setup
    super
    @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!
    assert @connection.active?
 end

  private

  def run_without_connection
    original_connection = ActiveRecord::Base.remove_connection
    begin
      yield original_connection
    ensure
      ActiveRecord::Base.establish_connection(original_connection)
    end
  end
end
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