MigrateDefaultLanguageTest.php

<?php

namespace Drupal\Tests\language\Kernel\Migrate\d7;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\migrate\Plugin\MigrationInterface;
use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;

/**
 * Tests the default language variable migration.
 *
 * @group migrate_drupal_7
 */
class MigrateDefaultLanguageTest extends MigrateDrupal7TestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
    ];
    
    /**
     * Tests language_default migration with a non-existing language.
     */
    public function testMigrationWithExistingLanguage() {
        $this->setDefaultLanguage('is');
        $this->startCollectingMessages();
        $this->executeMigrations([
            'language',
            'default_language',
        ]);
        // Tests the language is loaded and is the default language.
        $default_language = ConfigurableLanguage::load('is');
        $this->assertNotNull($default_language);
        $this->assertSame('is', $this->config('system.site')
            ->get('default_langcode'));
    }
    
    /**
     * Tests language_default migration with a non-existing language.
     */
    public function testMigrationWithNonExistentLanguage() {
        $this->setDefaultLanguage('tv');
        $this->startCollectingMessages();
        $this->executeMigrations([
            'language',
            'default_language',
        ]);
        // Tests the migration log contains an error message.
        $messages = $this->migration
            ->getIdMap()
            ->getMessages();
        $count = 0;
        foreach ($messages as $message) {
            $count++;
            $this->assertSame("The language 'tv' does not exist on this site.", $message->message);
            $this->assertSame(MigrationInterface::MESSAGE_ERROR, (int) $message->level);
        }
        $this->assertSame(1, $count);
    }
    
    /**
     * Tests language_default migration with unset default language variable.
     */
    public function testMigrationWithUnsetVariable() {
        // Delete the language_default variable.
        $this->sourceDatabase
            ->delete('variable')
            ->condition('name', 'language_default')
            ->execute();
        $this->startCollectingMessages();
        $this->executeMigrations([
            'language',
            'default_language',
        ]);
        $messages = $this->migration
            ->getIdMap()
            ->getMessages()
            ->fetchAll();
        // Make sure there's no migration exceptions.
        $this->assertEmpty($messages);
        // Make sure the default langcode is 'en', as it was the default on D6 & D7.
        $this->assertSame('en', $this->config('system.site')
            ->get('default_langcode'));
    }
    
    /**
     * Helper method to test the migration.
     *
     * @param string $langcode
     *   The langcode of the default language.
     */
    protected function setDefaultLanguage($langcode) {
        // The default language of the test fixture is English. Change it to
        // something else before migrating, to be sure that the source site
        // default language is migrated.
        $value = 'O:8:"stdClass":11:{s:8:"language";s:2:"' . $langcode . '";s:4:"name";s:6:"French";s:6:"native";s:6:"French";s:9:"direction";s:1:"0";s:7:"enabled";i:1;s:7:"plurals";s:1:"0";s:7:"formula";s:0:"";s:6:"domain";s:0:"";s:6:"prefix";s:0:"";s:6:"weight";s:1:"0";s:10:"javascript";s:0:"";}';
        $this->sourceDatabase
            ->update('variable')
            ->fields([
            'value' => $value,
        ])
            ->condition('name', 'language_default')
            ->execute();
    }

}