Peridot 是一个现代支持 PHP 5.4+ 的测试框架。它能够让测试变得有趣。它还能够轻松扩展通一个很棒的事件系统，让开发者可以创建插件，自定义测试报告等。

特性：

• Flexible testing interface
• Event driven plugin architecture
• Easily add user defined cli options
• Easily create custom test reporters
• Pass/fail based on exceptions
• Mix in functionality via child scopes
• Create your own testing DSLs

示例：

<?php //arrayobject.spec.php  describe('ArrayObject', function() {      beforeEach(function() {          $this->arrayObject = new ArrayObject(['one', 'two', 'three']);      });         describe('->count()', function() {          it("should return the number of items", function() {              $count = $this->arrayObject->count();              assert($count === 3, "expected 3");          });      });  });  ?>     $ peridot arrayobject.spec.php       ArrayObject      ->count()        ✓ should return the number of items          1 passing (19 ms)

项目主页：http://www.open-open.com/lib/view/home/1413852202934