LatestRevisionFilterTest.php

<?php

namespace Drupal\Tests\views\Kernel\Entity;

use Drupal\node\Entity\Node;
use Drupal\node\Entity\NodeType;
use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
use Drupal\views\ViewExecutable;
use Drupal\views\Views;

/**
 * Tests the 'Latest revision' filter.
 *
 * @group views
 */
class LatestRevisionFilterTest extends ViewsKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $testViews = [
        'test_latest_revision_filter',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
    ];
    
    /**
     * Tests the 'Latest revision' filter.
     */
    public function testLatestRevisionFilter() {
        $this->installEntitySchema('user');
        $this->installEntitySchema('node');
        $this->installSchema('node', [
            'node_access',
        ]);
        NodeType::create([
            'type' => 'article',
        ])->save();
        // Create a node that goes through various default/pending revision stages.
        $node = Node::create([
            'title' => 'First node - v1 - default',
            'type' => 'article',
        ]);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $node->setTitle('First node - v2 - pending');
        $node->setNewRevision(TRUE);
        $node->isDefaultRevision(FALSE);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $node->setTitle('First node - v3 - default');
        $node->setNewRevision(TRUE);
        $node->isDefaultRevision(TRUE);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $node->setTitle('First node - v4 - pending');
        $node->setNewRevision(TRUE);
        $node->isDefaultRevision(TRUE);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $latest_revisions[$node->getRevisionId()] = $node;
        // Create a node that has a default and a pending revision.
        $node = Node::create([
            'title' => 'Second node - v1 - default',
            'type' => 'article',
        ]);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $node->setTitle('Second node - v2 - pending');
        $node->setNewRevision(TRUE);
        $node->isDefaultRevision(FALSE);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $latest_revisions[$node->getRevisionId()] = $node;
        // Create a node that only has a default revision.
        $node = Node::create([
            'title' => 'Third node - v1 - default',
            'type' => 'article',
        ]);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $latest_revisions[$node->getRevisionId()] = $node;
        // Create a node that only has a pending revision.
        $node = Node::create([
            'title' => 'Fourth node - v1 - pending',
            'type' => 'article',
        ]);
        $node->isDefaultRevision(FALSE);
        $node->save();
        $all_revisions[$node->getRevisionId()] = $node;
        $latest_revisions[$node->getRevisionId()] = $node;
        $view = Views::getView('test_latest_revision_filter');
        $this->executeView($view);
        // Check that we have all the results.
        $this->assertSameSize($latest_revisions, $view->result);
        $expected = $not_expected = [];
        foreach ($all_revisions as $revision_id => $revision) {
            if (isset($latest_revisions[$revision_id])) {
                $expected[] = [
                    'vid' => $revision_id,
                    'title' => $revision->label(),
                ];
            }
            else {
                $not_expected[] = $revision_id;
            }
        }
        $this->assertIdenticalResultset($view, $expected, [
            'vid' => 'vid',
            'title' => 'title',
        ], 'The test view only shows the latest revisions.');
        $this->assertNotInResultSet($view, $not_expected);
        $view->destroy();
    }
    
    /**
     * Asserts that a list of revision IDs are not in the result.
     *
     * @param \Drupal\views\ViewExecutable $view
     *   An executed View.
     * @param array $not_expected_revision_ids
     *   An array of revision IDs which should not be part of the result set.
     *
     * @internal
     */
    protected function assertNotInResultSet(ViewExecutable $view, array $not_expected_revision_ids) : void {
        $found_revision_ids = array_filter($view->result, function ($row) use ($not_expected_revision_ids) {
            return in_array($row->vid, $not_expected_revision_ids);
        });
        $this->assertEmpty($found_revision_ids);
    }

}