Sau*_*pos 6 phpunit unit-testing laravel
我曾经使用 PHPUnit 的方法设置来为我的测试方法创建一个实例。但是在 Laravel 5.8 中我做不到
我已经尝试了两种方法,它的工作原理是为每个方法创建一个实例,如下所示。
这有效:
<?php
namespace Tests\Unit;
use Tests\TestCase;
use Illuminate\Foundation\Testing\WithFaker;
use Illuminate\Foundation\Testing\RefreshDatabase;
use App\Service\MyService;
class MyServiceTest extends TestCase
{
/**
* A basic unit test example.
*
* @return void
*/
public function testInstanceOf()
{
$myService = new MyService;
$this->assertInstanceOf( 'App\Service\MyService' , $myService );
}
}
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这不起作用:
<?php
namespace Tests\Unit;
use Tests\TestCase;
use Illuminate\Foundation\Testing\WithFaker;
use Illuminate\Foundation\Testing\RefreshDatabase;
use App\Service\MyService;
class MyServiceTest extends TestCase
{
private $instance;
function setUp(){
$this->instance = new MyService;
}
/**
* A basic unit test example.
*
* @return void
*/
public function testInstanceOf()
{
$myService = $this->instance;
$this->assertInstanceOf( 'App\Service\MyService' , $myService );
}
}
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以下错误消息显示在控制台中:
PHP Fatal error: Declaration of Tests\Unit\MyServiceTest::setUp() must be compatible with Illuminate\Foundation\Testing\TestCase::setUp(): void in /home/myproject/tests/Unit/MyServiceTest.php on line 10
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mde*_*exp 10
Laravel 5.8 在setUp
方法的返回类型中添加了 void 类型提示。
所以你必须像这样声明:
public function setUp(): void
{
// you should also call parent::setUp() to properly boot
// the Laravel application in your tests
$this->instance = new MyService;
}
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需要注意的: void
函数参数后声明,函数的返回类型
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