NodeTypeInitialLanguageTest.php

<?php

namespace Drupal\Tests\node\Functional;

use Drupal\Core\Language\LanguageInterface;

/**
 * Tests node type initial language settings.
 *
 * @group node
 */
class NodeTypeInitialLanguageTest extends NodeTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'language',
        'field_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $web_user = $this->drupalCreateUser([
            'bypass node access',
            'administer content types',
            'administer node fields',
            'administer node form display',
            'administer node display',
            'administer languages',
        ]);
        $this->drupalLogin($web_user);
    }
    
    /**
     * Tests the node type initial language defaults, and modifies them.
     *
     * The default initial language must be the site's default, and the language
     * locked option must be on.
     */
    public function testNodeTypeInitialLanguageDefaults() {
        $this->drupalGet('admin/structure/types/manage/article');
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-language-configuration-langcode', LanguageInterface::LANGCODE_SITE_DEFAULT)
            ->isSelected());
        $this->assertSession()
            ->checkboxNotChecked('edit-language-configuration-language-alterable');
        // Tests if the language field cannot be rearranged on the manage fields tab.
        $this->drupalGet('admin/structure/types/manage/article/fields');
        $this->assertSession()
            ->elementNotExists('xpath', '//*[@id="field-overview"]/*[@id="language"]');
        // Verify that language is not selectable on node add page by default.
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->fieldNotExists('langcode');
        // Adds a new language and set it as default.
        $edit = [
            'predefined_langcode' => 'hu',
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add language');
        $edit = [
            'site_default_language' => 'hu',
        ];
        $this->drupalGet('admin/config/regional/language');
        $this->submitForm($edit, 'Save configuration');
        // Tests the initial language after changing the site default language.
        // First unhide the language selector.
        $edit = [
            'language_configuration[language_alterable]' => TRUE,
        ];
        $this->drupalGet('admin/structure/types/manage/article');
        $this->submitForm($edit, 'Save content type');
        $this->drupalGet('node/add/article');
        // Ensure that the language is selectable on node add page when language
        // not hidden.
        $this->assertSession()
            ->fieldExists('langcode[0][value]');
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-langcode-0-value', 'hu')
            ->isSelected());
        // Tests if the language field can be rearranged on the manage form display
        // tab.
        $this->drupalGet('admin/structure/types/manage/article/form-display');
        $this->assertSession()
            ->elementExists('xpath', '//*[@id="langcode"]');
        // Tests if the language field can be rearranged on the manage display tab.
        $this->drupalGet('admin/structure/types/manage/article/display');
        $this->assertSession()
            ->elementExists('xpath', '//*[@id="langcode"]');
        // Tests if the language field is hidden by default.
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-fields-langcode-region', 'hidden')
            ->isSelected());
        // Changes the initial language settings.
        $edit = [
            'language_configuration[langcode]' => 'en',
        ];
        $this->drupalGet('admin/structure/types/manage/article');
        $this->submitForm($edit, 'Save content type');
        $this->drupalGet('node/add/article');
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-langcode-0-value', 'en')
            ->isSelected());
    }
    
    /**
     * Tests language field visibility features.
     */
    public function testLanguageFieldVisibility() {
        // Creates a node to test Language field visibility feature.
        $edit = [
            'title[0][value]' => $this->randomMachineName(8),
            'body[0][value]' => $this->randomMachineName(16),
        ];
        $this->drupalGet('node/add/article');
        $this->submitForm($edit, 'Save');
        $node = $this->drupalGetNodeByTitle($edit['title[0][value]']);
        $this->assertNotEmpty($node, 'Node found in database.');
        // Loads node page and check if Language field is hidden by default.
        $this->drupalGet('node/' . $node->id());
        $this->assertSession()
            ->elementNotExists('xpath', '//div[@id="field-language-display"]/div');
        // Configures Language field formatter and check if it is saved.
        $edit = [
            'fields[langcode][type]' => 'language',
            'fields[langcode][region]' => 'content',
        ];
        $this->drupalGet('admin/structure/types/manage/article/display');
        $this->submitForm($edit, 'Save');
        $this->drupalGet('admin/structure/types/manage/article/display');
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-fields-langcode-type', 'language')
            ->isSelected());
        // Loads node page and check if Language field is shown.
        $this->drupalGet('node/' . $node->id());
        $this->assertSession()
            ->elementExists('xpath', '//div[@id="field-language-display"]/div');
    }

}