RevisionLinkTest.php

<?php

namespace Drupal\Tests\node\Functional\Views;


/**
 * Tests the different revision link handlers.
 *
 * @group node
 *
 * @see \Drupal\node\Plugin\views\field\RevisionLink
 * @see \Drupal\node\Plugin\views\field\RevisionLinkDelete
 * @see \Drupal\node\Plugin\views\field\RevisionLinkRevert
 */
class RevisionLinkTest extends NodeTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_node_revision_links',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests revision links.
     */
    public function testRevisionLinks() {
        // Create one user which can view/revert and delete and one which can only
        // do one of them.
        $this->drupalCreateContentType([
            'name' => 'page',
            'type' => 'page',
        ]);
        $account = $this->drupalCreateUser([
            'revert all revisions',
            'view all revisions',
            'delete all revisions',
            'edit any page content',
            'delete any page content',
        ]);
        $this->drupalLogin($account);
        // Create two nodes, one without an additional revision and one with a
        // revision.
        $nodes = [
            $this->drupalCreateNode(),
            $this->drupalCreateNode(),
        ];
        $first_revision = $nodes[1]->getRevisionId();
        // Create revision of the node.
        $nodes[1]->setNewRevision();
        $nodes[1]->save();
        $second_revision = $nodes[1]->getRevisionId();
        $this->drupalGet('test-node-revision-links');
        $this->assertSession()
            ->statusCodeEquals(200);
        // The first node revision should link to the node directly as you get an
        // access denied if you link to the revision.
        $url = $nodes[0]->toUrl()
            ->toString();
        $this->assertSession()
            ->linkByHrefExists($url);
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $nodes[0]->getRevisionId() . '/view');
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $nodes[0]->getRevisionId() . '/delete');
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $nodes[0]->getRevisionId() . '/revert');
        // For the second node the current revision got set to the last revision, so
        // the first one should also link to the node page itself.
        $url = $nodes[1]->toUrl()
            ->toString();
        $this->assertSession()
            ->linkByHrefExists($url);
        $this->assertSession()
            ->linkByHrefExists($url . '/revisions/' . $first_revision . '/view');
        $this->assertSession()
            ->linkByHrefExists($url . '/revisions/' . $first_revision . '/delete');
        $this->assertSession()
            ->linkByHrefExists($url . '/revisions/' . $first_revision . '/revert');
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $second_revision . '/view');
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $second_revision . '/delete');
        $this->assertSession()
            ->linkByHrefNotExists($url . '/revisions/' . $second_revision . '/revert');
        $accounts = [
            'view' => $this->drupalCreateUser([
                'view all revisions',
            ]),
            'revert' => $this->drupalCreateUser([
                'revert all revisions',
                'edit any page content',
            ]),
            'delete' => $this->drupalCreateUser([
                'delete all revisions',
                'delete any page content',
            ]),
        ];
        $url = $nodes[1]->toUrl()
            ->toString();
        // Render the view with users which can only delete/revert revisions.
        foreach ($accounts as $allowed_operation => $account) {
            $this->drupalLogin($account);
            $this->drupalGet('test-node-revision-links');
            // Check expected links.
            foreach ([
                'revert',
                'delete',
            ] as $operation) {
                if ($operation == $allowed_operation) {
                    $this->assertSession()
                        ->linkByHrefExists($url . '/revisions/' . $first_revision . '/' . $operation);
                }
                else {
                    $this->assertSession()
                        ->linkByHrefNotExists($url . '/revisions/' . $first_revision . '/' . $operation);
                }
            }
        }
    }

}