用抽象参数实例化对象

$a = $this->getMockForAbstractClass(\"aClass_Abstract\");
$b = $this->getMockForAbstractClass(\"bClass_Abstract\");
$class = new Sample($a, $b);

<?php

interface aInterface{
     public function __construct(aClass_Abstract $a, bClass_Abstract $b);
}
class Sample implements aInterface
{
     public function __construct(aClass_Abstract $a, bClass_Abstract $b){
         //implementation
         $this->a = $a;
     }
     public function init(){
         return $this->a->myMethod();
     }
}

abstract class aClass_Abstract {
    abstract public function myMethod();
}

abstract class bClass_Abstract {}

class SampleTest extends PHPUnit_Framework_TestCase {

    public function testSetup() {

        $a = $this->getMockForAbstractClass(\"aClass_Abstract\");
        $a->expects($this->once())->method(\"myMethod\")->will($this->returnValue(true));
        $b = $this->getMockForAbstractClass(\"bClass_Abstract\");
        $class = new Sample($a, $b);
        $this->assertTrue($class->init());

    }
}


/*
PHPUnit 3.5.12 by Sebastian Bergmann.

.

Time: 0 seconds, Memory: 3.25Mb
*/

Sample

class SampleTest extends PHPUnit_Framework_TestCase
{
    public function testSomething()
    {
        $stubA = $this->getMockForAbstractClass(\'aClass_Abstract\');
        $stubA->expects($this->any())
              ->method(\'abstractMethod\')
              ->will($this->returnValue(TRUE));

        // do the same for bClass_Abstract

        $sample = new Sample($stubA, $stubB);
        // add an assertion for sample
    }
}

getMockForAbstractClass()