JSInteractionTest.php

<?php

declare (strict_types=1);
namespace Drupal\FunctionalJavascriptTests\Tests;

use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
use WebDriver\Exception;

/**
 * Tests fault tolerant interactions.
 *
 * @group javascript
 */
class JSInteractionTest extends WebDriverTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'js_interaction_test',
    ];
    
    /**
     * Assert an exception is thrown when the blocker element is never removed.
     */
    public function testNotClickable() : void {
        $this->expectException(Exception::class);
        $this->drupalGet('/js_interaction_test');
        $this->assertSession()
            ->elementExists('named', [
            'link',
            'Target link',
        ])
            ->click();
    }
    
    /**
     * Assert an exception is thrown when the field is never enabled.
     */
    public function testFieldValueNotSettable() : void {
        $this->expectException(Exception::class);
        $this->drupalGet('/js_interaction_test');
        $this->assertSession()
            ->fieldExists('target_field')
            ->setValue('Test');
    }
    
    /**
     * Assert no exception is thrown when elements become interactive.
     */
    public function testElementsInteraction() : void {
        $this->drupalGet('/js_interaction_test');
        // Remove blocking element after 100 ms.
        $this->clickLink('Remove Blocker Trigger');
        $this->clickLink('Target link');
        // Enable field after 100 ms.
        $this->clickLink('Enable Field Trigger');
        $this->assertSession()
            ->fieldExists('target_field')
            ->setValue('Test');
        $this->assertSession()
            ->fieldValueEquals('target_field', 'Test');
    }

}