如何使用ZF版本1.12.11配置PHPUnit

I am using zend framework 1.12.11 and now I want to use PHPunit with it.Pear has stopped it's stopped support for phpunit.Now it's working with composer. I have install composer and phpunit via composer.But Where I have to put composer json setting file and my project and what should include in my project which automatically take phpunit of composerI am using zend framework 1.12.11 and now I wan