PHPUnit CodeIgniter library mock example

gistfile1.aw

<?php
		// inside the test class...
		// mock
		require_once(BASEPATH.'libraries/email.php');
		$this->_ci->email = $this->getMock('CI_Email');
		$this->_ci->email->expects($this->any())
			->method('send')  
			->will($this->returnValue(true));
		$this->assertTrue($this->_ci->email->send());