class MigrateNodeRevisionTest

class MigrateNodeRevisionTest extends MigrateNodeTestBase {
    
    /**
     * The entity storage for node.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $nodeStorage;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'content_translation',
        'menu_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->executeMigrations([
            'd6_node',
            'd6_node_revision',
        ]);
        $this->nodeStorage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
    }
    
    /**
     * 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 {
        
        /** @var  \Drupal\node\NodeInterface $revision */
        $revision = $this->nodeStorage
            ->loadRevision($id)
            ->getTranslation($langcode);
        $this->assertInstanceOf(NodeInterface::class, $revision);
        $this->assertSame($title, $revision->getTitle());
        $this->assertSame($log, $revision->revision_log->value);
        $this->assertSame($timestamp, (int) $revision->getRevisionCreationTime());
    }
    
    /**
     * Tests node revisions migration from Drupal 6 to 8.
     */
    public function testNodeRevision() {
        $node = \Drupal::entityTypeManager()->getStorage('node')
            ->loadRevision(2001);
        
        /** @var \Drupal\node\NodeInterface $node */
        $this->assertSame('1', $node->id());
        $this->assertSame('2001', $node->getRevisionId());
        $this->assertSame('und', $node->langcode->value);
        $this->assertSame('Test title rev 3', $node->getTitle());
        $this->assertSame('body test rev 3', $node->body->value);
        $this->assertSame('teaser test rev 3', $node->body->summary);
        $this->assertSame('2', $node->getRevisionUser()
            ->id());
        $this->assertSame('modified rev 3', $node->revision_log->value);
        $this->assertSame('1420861423', $node->getRevisionCreationTime());
        $this->assertRevision(1, 'und', 'Test title', NULL, 1390095702);
        $this->assertRevision(3, 'und', 'Test title rev 3', NULL, 1420718386);
        $this->assertRevision(4, 'und', 'Test page title rev 4', NULL, 1390095701);
        $this->assertRevision(5, 'und', 'Test title rev 2', 'modified rev 2', 1390095703);
        $this->assertRevision(6, 'und', 'Node 4', NULL, 1390095701);
        $this->assertRevision(7, 'und', 'Node 5', NULL, 1390095701);
        $this->assertRevision(8, 'und', 'Node 6', NULL, 1390095701);
        $this->assertRevision(9, 'und', 'Node 7', NULL, 1390095701);
        $this->assertRevision(10, 'und', 'Node 8', NULL, 1390095701);
        $this->assertRevision(11, 'und', 'Node 9', NULL, 1390095701);
        $this->assertRevision(12, 'und', 'Once upon a time', NULL, 1444671588);
        $this->assertRevision(13, 'en', 'The Real McCoy', NULL, 1444238808);
        $this->assertRevision(15, 'zu', 'Abantu zulu', NULL, 1444238808);
        $this->assertRevision(17, 'und', 'United Federation of Planets', NULL, 1493066668);
        $this->assertRevision(18, 'und', 'Klingon Empire', NULL, 1493066677);
        $this->assertRevision(19, 'und', 'Romulan Empire', NULL, 1493066684);
        $this->assertRevision(20, 'und', 'Ferengi Commerce Authority', NULL, 1493066693);
        $this->assertRevision(21, 'und', 'Ambassador Sarek', NULL, 1494966544);
        $this->assertRevision(22, 'und', 'New Forum Topic', NULL, 1501955771);
        $this->assertRevision(2001, 'und', 'Test title rev 3', 'modified rev 3', 1420861423);
        $this->assertRevision(2002, 'en', 'John Smith - EN', NULL, 1534014650);
        // Test that the revision translations are not migrated and there should not
        // be a revision with id of 2003.
        $ids = [
            2,
            14,
            16,
            23,
            2003,
        ];
        foreach ($ids as $id) {
            $this->assertNull($this->nodeStorage
                ->loadRevision($id));
        }
    }

}