class MigrateNodeRevisionTest

class MigrateNodeRevisionTest extends MigrateDrupal7TestBase {
    use FileMigrationSetupTrait;
    
    /**
     * The entity storage for node.
     *
     * @var \Drupal\Core\Entity\RevisionableStorageInterface
     */
    protected $nodeStorage;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'content_translation',
        'comment',
        'datetime',
        'datetime_range',
        'file',
        'filter',
        'image',
        'language',
        'link',
        'menu_ui',
        'node',
        'taxonomy',
        'telephone',
        'text',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->fileMigrationSetup();
        $this->installEntitySchema('node');
        $this->installEntitySchema('comment');
        $this->installEntitySchema('taxonomy_term');
        $this->installSchema('comment', [
            'comment_entity_statistics',
        ]);
        $this->installSchema('node', [
            'node_access',
        ]);
        $this->migrateUsers();
        $this->migrateFields();
        $this->executeMigrations([
            'language',
            'd7_language_content_settings',
            'd7_comment_field',
            'd7_comment_field_instance',
            'd7_node',
            'd7_node_translation',
            'd7_node_revision',
        ]);
        $this->nodeStorage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getFileMigrationInfo() : array {
        return [
            'path' => 'public://sites/default/files/cube.jpeg',
            'size' => 3620,
            'base_path' => 'public://',
            'plugin_id' => 'd7_file',
        ];
    }
    
    /**
     * Asserts various aspects of a node revision.
     *
     * @param int $id
     *   The revision ID.
     * @param string $langcode
     *   The revision language.
     * @param string $title
     *   The expected title.
     * @param string|null $log
     *   The revision log message.
     * @param int $timestamp
     *   The revision's time stamp.
     *
     * @internal
     */
    protected function assertRevision(int $id, string $langcode, string $title, ?string $log, int $timestamp) : void {
        $revision = $this->nodeStorage
            ->loadRevision($id);
        $this->assertInstanceOf(NodeInterface::class, $revision);
        $this->assertSame($title, $revision->getTitle());
        $this->assertSame($langcode, $revision->language()
            ->getId());
        $this->assertSame($log, $revision->revision_log->value);
        $this->assertSame($timestamp, (int) $revision->getRevisionCreationTime());
    }
    
    /**
     * Tests the migration of node revisions with translated nodes.
     */
    public function testNodeRevisions() : void {
        $this->assertRevision(1, 'en', 'An English Node', NULL, 1441032132);
        $this->assertRevision(2, 'en', 'The thing about Deep Space 9 (1st rev)', 'DS9 1st rev', 1564543588);
        $this->assertRevision(4, 'is', 'is - The thing about Firefly (1st rev)', 'is - Firefly 1st rev', 1478755274);
        $this->assertRevision(6, 'en', 'Comments are closed :-(', NULL, 1504715414);
        $this->assertRevision(7, 'en', 'Comments are open :-)', NULL, 1504715432);
        $this->assertRevision(8, 'en', 'The number 47', NULL, 1552126363);
        // Test that the revision translation are not migrated and there should not
        // be a revision with id of 9.
        $ids = [
            3,
            5,
            9,
        ];
        foreach ($ids as $id) {
            $this->assertNull($this->nodeStorage
                ->loadRevision($id));
        }
        // Test the migration of node and user reference fields.
        $revision = $this->nodeStorage
            ->loadRevision(2);
        $this->assertCount(1, $revision->field_node_reference);
        $this->assertSame('5', $revision->field_node_reference->target_id);
        $this->assertCount(1, $revision->field_user_reference);
        $this->assertSame('Bob', $revision->field_user_reference[0]->entity
            ->getAccountName());
    }

}