EntityTranslationFormTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\Entity;

use Drupal\Core\Language\LanguageInterface;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\node\Entity\Node;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests entity translation form.
 *
 * @group Entity
 */
class EntityTranslationFormTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'entity_test',
        'language',
        'node',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The test language codes.
     */
    protected $langcodes;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Enable translations for the test entity type.
        \Drupal::state()->set('entity_test.translation', TRUE);
        // Create test languages.
        $this->langcodes = [];
        for ($i = 0; $i < 2; ++$i) {
            $language = ConfigurableLanguage::create([
                'id' => 'l' . $i,
                'label' => $this->randomString(),
            ]);
            $this->langcodes[$i] = $language->id();
            $language->save();
        }
    }
    
    /**
     * Tests entity form language.
     */
    public function testEntityFormLanguage() : void {
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $web_user = $this->drupalCreateUser([
            'create page content',
            'edit own page content',
            'administer content types',
        ]);
        $this->drupalLogin($web_user);
        // Create a node with language LanguageInterface::LANGCODE_NOT_SPECIFIED.
        $edit = [];
        $edit['title[0][value]'] = $this->randomMachineName(8);
        $edit['body[0][value]'] = $this->randomMachineName(16);
        $this->drupalGet('node/add/page');
        $form_langcode = \Drupal::state()->get('entity_test.form_langcode');
        $this->submitForm($edit, 'Save');
        $node = $this->drupalGetNodeByTitle($edit['title[0][value]']);
        $this->assertSame($form_langcode, $node->language()
            ->getId(), 'Form language is the same as the entity language.');
        // Edit the node and test the form language.
        $this->drupalGet($this->langcodes[0] . '/node/' . $node->id() . '/edit');
        $form_langcode = \Drupal::state()->get('entity_test.form_langcode');
        $this->assertSame($form_langcode, $node->language()
            ->getId(), 'Form language is the same as the entity language.');
        // Explicitly set form langcode.
        $langcode = $this->langcodes[0];
        $form_state_additions['langcode'] = $langcode;
        \Drupal::service('entity.form_builder')->getForm($node, 'default', $form_state_additions);
        $form_langcode = \Drupal::state()->get('entity_test.form_langcode');
        $this->assertSame($form_langcode, $langcode, 'Form language is the same as the language parameter.');
        // Enable language selector.
        $this->drupalGet('admin/structure/types/manage/page');
        $edit = [
            'language_configuration[language_alterable]' => TRUE,
            'language_configuration[langcode]' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ];
        $this->drupalGet('admin/structure/types/manage/page');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains("The content type Basic page has been updated.");
        // Create a node with language.
        $edit = [];
        $langcode = $this->langcodes[0];
        $edit['title[0][value]'] = $this->randomMachineName(8);
        $edit['body[0][value]'] = $this->randomMachineName(16);
        $edit['langcode[0][value]'] = $langcode;
        $this->drupalGet('node/add/page');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains('Basic page ' . $edit['title[0][value]'] . ' has been created.');
        // Verify that the creation message contains a link to a node.
        $this->assertSession()
            ->elementExists('xpath', '//div[@data-drupal-messages]//a[contains(@href, "node/")]');
        // Check to make sure the node was created.
        $node = $this->drupalGetNodeByTitle($edit['title[0][value]']);
        $this->assertInstanceOf(Node::class, $node);
        // Make body translatable.
        $field_storage = FieldStorageConfig::loadByName('node', 'body');
        $field_storage->setTranslatable(TRUE);
        $field_storage->save();
        $field_storage = FieldStorageConfig::loadByName('node', 'body');
        $this->assertTrue($field_storage->isTranslatable(), 'Field body is translatable.');
        // Create a body translation and check the form language.
        $langcode2 = $this->langcodes[1];
        $translation = $node->addTranslation($langcode2);
        $translation->title->value = $this->randomString();
        $translation->body->value = $this->randomMachineName(16);
        $translation->setOwnerId($web_user->id());
        $node->save();
        $this->drupalGet($langcode2 . '/node/' . $node->id() . '/edit');
        $form_langcode = \Drupal::state()->get('entity_test.form_langcode');
        $this->assertSame($form_langcode, $langcode2, "Node edit form language is {$langcode2}.");
    }

}