function ViewExecutableTest::testSerialization

Tests serialization of the ViewExecutable object.

File

core/modules/views/tests/src/Kernel/ViewExecutableTest.php, line 485

Class

ViewExecutableTest

Tests the ViewExecutable class.

Namespace

Code

public function testSerialization() {
    $view = Views::getView('test_executable_displays');
    $view->setDisplay('page_1');
    $view->setArguments([
        'test',
    ]);
    $view->setCurrentPage(2);
    $serialized = serialize($view);
    // Test the view storage object is not present in the actual serialized
    // string.
    $this->assertStringNotContainsString('"Drupal\\views\\Entity\\View"', $serialized, 'The Drupal\\views\\Entity\\View class was not found in the serialized string.');
    
    /** @var \Drupal\views\ViewExecutable $unserialized */
    $unserialized = unserialize($serialized);
    $this->assertInstanceOf(ViewExecutable::class, $unserialized);
    $this->assertIdentical($view->storage
        ->id(), $unserialized->storage
        ->id(), 'The expected storage entity was loaded on the unserialized view.');
    $this->assertIdentical($unserialized->current_display, 'page_1', 'The expected display was set on the unserialized view.');
    $this->assertIdentical($unserialized->args, [
        'test',
    ], 'The expected argument was set on the unserialized view.');
    $this->assertIdentical($unserialized->getCurrentPage(), 2, 'The expected current page was set on the unserialized view.');
    // Get the definition of node's nid field, for example. Only get it not from
    // the field manager directly, but from the item data definition. It should
    // be the same base field definition object (the field and item definitions
    // refer to each other).
    // See https://bugs.php.net/bug.php?id=66052
    $field_manager = $this->container
        ->get('entity_field.manager');
    $nid_definition_before = $field_manager->getBaseFieldDefinitions('node')['nid']
        ->getItemDefinition()
        ->getFieldDefinition();
    // Load and execute a view.
    $view_entity = View::load('content');
    $view_executable = $view_entity->getExecutable();
    $view_executable->execute('page_1');
    // Reset the static cache. Don't use clearCachedFieldDefinitions() since
    // that clears the persistent cache and we need to get the serialized cache
    // data.
    $field_manager->useCaches(FALSE);
    $field_manager->useCaches(TRUE);
    // Serialize the ViewExecutable as part of other data.
    unserialize(serialize([
        'SOMETHING UNEXPECTED',
        $view_executable,
    ]));
    // Make sure the serialization of the ViewExecutable didn't influence the
    // field definitions.
    $nid_definition_after = $field_manager->getBaseFieldDefinitions('node')['nid']
        ->getItemDefinition()
        ->getFieldDefinition();
    $this->assertEquals($nid_definition_before->getPropertyDefinitions(), $nid_definition_after->getPropertyDefinitions());
}