laravel黄昏tearDown()必须与Illuminate \ Foundation \ Testing \ TestCase :: tearDown()兼容 [英] laravel dusk tearDown() must be compatible with Illuminate\Foundation\Testing\TestCase::tearDown()

问题描述

public function tearDown()
    {
        $this->browse(function (Browser $browser) {
            $browser->click('#navbarDropdown')
                    ->click('.dropdown-item');
        });


        parent::tearDown();
    }

在我的测试类上应用tearDown()方法时，出现一条错误消息，告诉我the tearDown() must be compatible with Illuminate\Foundation\Testing\TestCase::tearDown()我在做什么错了?

When I apply the tearDown() method to my test class I get an error telling me the tearDown() must be compatible with Illuminate\Foundation\Testing\TestCase::tearDown() What am I doing wrong?

每次运行测试时，我都需要登录.我想登录setUp()方法，然后再次在tearDown中注销，所以我可以独立执行测试.

Every time I run a test I need to login. I want to login in the setUp() method and the log out again in the tearDown, so I can execute my tests independently.

这是我的setUp()方法

This is my setUp() method

use databaseMigrations;
    public function setUp(): void
    {
        parent::setUp();

        $this->seed('DatabaseSeeder');

        $this->browse(function (Browser $browser) {
            $browser->visit('/admin')
                    ->type('email', '[e-mail]')
                    ->type('password', 'admin')
                    ->press('Login');
        });
    }

setUp()方法可以正常工作.即使我没有向parent::tearDown();以外的任何代码添加到tearDown()方法中，也会出现错误，那么我的tearDown()方法在做什么错了?

The setUp() method works just fine. Even when I don't add any code to the tearDown() method, except the parent::tearDown();, I get an error, so what am I doing wrong in my tearDown() method?

public function tearDown()
    {

        parent::tearDown();
    }

推荐答案

您缺少tearDown()上的: void:

public function tearDown(): void
{
  parent::tearDown();
}

您的setUp()正确，但是作为父类方法的这两种方法都需要兼容，而省略: void则不兼容.

You have setUp() correct, but both methods, as method of the parent class, need to be compatible and omitting the : void isn't.

每当您看到该错误时，最好检查一下您要扩展的类的来源.通过继承，即

Any time you see that error, it's best to check the source of the class you're extending. By inheritance, that is

Illuminate \ Foundation \ Testing \ TestCase.php

Illuminate\Foundation\Testing\TestCase.php

/**
 * Setup the test environment.
 *
 * @return void
 */
protected function setUp(): void
{
  ...
}
...
/**
 * Clean up the testing environment before the next test.
 *
 * @return void
 */
protected function tearDown(): void
{
  ...
}

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