PHPUnit是zend官方大力支持的测试框架,高质量的单元测试时保证项目质量的基础,能够有效的减少BUG,改善程序。
安装PHPUnit:
在php的目录下:
pear channel-discover pear;
pear install phpunit/PHPUnit
windows下将php的环境变量加入到PATH环境变量中。
简单使用:
class StackTest extends PHPUnit_Framework_TestCase
{
public function testArray()
{
$stack = array();
$this->assertEquals(0, count($stack));
array_push($stack, 'foo');
$this->assertEquals('foo', $stack[count($stack)-1]);
$this->assertEquals(1, count($stack));
$this->assertEquals('foo', array_pop($stack));
$this->assertEquals(0, count($stack));
}
/**
* @test
*/
public function Stringlen()
{
$str = 'abc';
$this->assertEquals(3, strlen($str));
}
}
从上可以看到编写PHPUnit的基本规律:
(1)类Class的测试写在ClassTest中
(2)ClassTest继承PHPUnit_Framework_TestCase
(3)测试方法都是test*格式,也可以通过@test将其标注为测试方法。
(4)通过断言方法assertEquals来对实际值和预期值进行断言。
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