How to use Laravel Dusk for end-to-end testing in a vue js application



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Laravel Dusk is a browser automation and testing tool provided by the Laravel framework for end-to-end testing of web applications. When working with a Vue.js application in combination with Laravel, you can use Dusk to write end-to-end tests that cover both the backend (Laravel) and frontend (Vue.js) aspects of your application.

Here's a step-by-step guide on how to use Laravel Dusk for end-to-end testing in a Vue.js application:

  1. Install Laravel Dusk: First, make sure you have a Laravel application set up. If not, you can create one using the following command:

    bash
    composer create-project --prefer-dist laravel/laravel your-project-name

    Then, navigate to your project directory and install Dusk:

    bash
    composer require --dev laravel/dusk

    After installing Dusk, run the Dusk installation command:

    bash
    php artisan dusk:install

  2. Configure Dusk: Dusk requires a browser driver to run tests. By default, it uses ChromeDriver. You can configure your browser in the DuskTestCase located in the tests directory. Update the $driver property with the desired browser driver:

    php
    protected $driver = 'chrome'; // or 'firefox'

    Additionally, update the $baseUrl property to match your application's URL:

    php
    protected $baseUrl = 'http://your-app-url';

  3. Write Vue.js Component Tests: Laravel Dusk supports browser testing, but it doesn't directly interact with Vue.js components. For testing Vue.js components, you might want to use a library like Jest or Mocha. However, you can still use Dusk to test the interactions between Vue.js components and the backend.

  4. Write Dusk Tests: Create Dusk tests in the tests/Browser directory. You can generate a new test using the following command:

    bash
    php artisan dusk:make YourTestName

    Edit the generated test file (tests/Browser/YourTestName.php) to define your test scenario using Dusk API methods.

    Here's an example of a Dusk test that interacts with a Vue.js component:

    php
    <?php

namespace Tests\Browser;

use Laravel\Dusk\Browser;
use Tests\DuskTestCase;

class YourTestName extends DuskTestCase
{
    public function testExample()
    {
        $this->browse(function (Browser $browser) {
            $browser->visit('/your-vue-route')
                    ->waitForText('Vue Component Text')
                    ->click('@vue-component-button')
                    ->assertSee('Button Clicked');
        });
    }
}

    This example assumes you have a Vue.js component with a button (@vue-component-button) that, when clicked, changes the text to 'Button Clicked'.

  5. Run Dusk Tests: Execute your Dusk tests using the following command:

    bash
    php artisan dusk

    Dusk will launch a browser, perform the specified actions, and make assertions. Review the test results in the console.

Remember to update the test scenario based on your application's structure and Vue.js components. Additionally, keep your dependencies up-to-date, as Dusk and browser drivers may receive updates over time.

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