NodeAccessTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\node\Kernel;


/**
 * Tests basic node_access functionality.
 *
 * @group node
 */
class NodeAccessTest extends NodeAccessTestBase {
    
    /**
     * Runs basic tests for node_access function.
     */
    public function testNodeAccess() : void {
        // Ensures user without 'access content' permission can do nothing.
        $web_user1 = $this->drupalCreateUser([
            'create page content',
            'edit any page content',
            'delete any page content',
        ]);
        $node1 = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $this->assertNodeCreateAccess($node1->bundle(), FALSE, $web_user1);
        $this->assertNodeAccess([
            'view' => FALSE,
            'update' => FALSE,
            'delete' => FALSE,
        ], $node1, $web_user1);
        // Ensures user with 'bypass node access' permission can do everything.
        $web_user2 = $this->drupalCreateUser([
            'bypass node access',
        ]);
        $node2 = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $this->assertNodeCreateAccess($node2->bundle(), TRUE, $web_user2);
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => TRUE,
            'delete' => TRUE,
        ], $node2, $web_user2);
        // User cannot 'view own unpublished content'.
        $web_user3 = $this->drupalCreateUser([
            'access content',
        ]);
        $node3 = $this->drupalCreateNode([
            'status' => 0,
            'uid' => $web_user3->id(),
        ]);
        $this->assertNodeAccess([
            'view' => FALSE,
        ], $node3, $web_user3);
        // User cannot create content without permission.
        $this->assertNodeCreateAccess($node3->bundle(), FALSE, $web_user3);
        // User can 'view own unpublished content', but another user cannot.
        $web_user4 = $this->drupalCreateUser([
            'access content',
            'view own unpublished content',
        ]);
        $web_user5 = $this->drupalCreateUser([
            'access content',
            'view own unpublished content',
        ]);
        $node4 = $this->drupalCreateNode([
            'status' => 0,
            'uid' => $web_user4->id(),
        ]);
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => FALSE,
        ], $node4, $web_user4);
        $this->assertNodeAccess([
            'view' => FALSE,
        ], $node4, $web_user5);
        // Tests the default access provided for a published node.
        $node5 = $this->drupalCreateNode();
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => FALSE,
            'delete' => FALSE,
        ], $node5, $web_user3);
        // Tests the "edit any BUNDLE" and "delete any BUNDLE" permissions.
        $web_user6 = $this->drupalCreateUser([
            'access content',
            'edit any page content',
            'delete any page content',
        ]);
        $node6 = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => TRUE,
            'delete' => TRUE,
        ], $node6, $web_user6);
        // Tests the "edit own BUNDLE" and "delete own BUNDLE" permission.
        $web_user7 = $this->drupalCreateUser([
            'access content',
            'edit own page content',
            'delete own page content',
        ]);
        // User should not be able to edit or delete nodes they do not own.
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => FALSE,
            'delete' => FALSE,
        ], $node6, $web_user7);
        // User should be able to edit or delete nodes they own.
        $node7 = $this->drupalCreateNode([
            'type' => 'page',
            'uid' => $web_user7->id(),
        ]);
        $this->assertNodeAccess([
            'view' => TRUE,
            'update' => TRUE,
            'delete' => TRUE,
        ], $node7, $web_user7);
    }
    
    /**
     * Tests operations not supported by node grants.
     */
    public function testUnsupportedOperation() : void {
        $this->enableModules([
            'node_access_test_empty',
        ]);
        $web_user = $this->drupalCreateUser([
            'access content',
        ]);
        $node = $this->drupalCreateNode();
        $this->assertNodeAccess([
            'random_operation' => FALSE,
        ], $node, $web_user);
    }
    
    /**
     * Tests node grants for queries with node access checks and base table join.
     */
    public function testQueryWithBaseTableJoin() : void {
        $this->enableModules([
            'node_access_test_empty',
        ]);
        $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $this->drupalCreateNode([
            'type' => 'page',
        ]);
        $container = \Drupal::getContainer();
        $container->get('current_user')
            ->setAccount($this->drupalCreateUser());
        $query = \Drupal::database()->select('node_field_data', 'n');
        // Intentionally add a left join of the base table on the base table with a
        // failing condition. This can, for example, happen in views with non
        // required relations.
        $query->leftJoin('node_field_data', 'nc', 'n.changed = nc.nid');
        $query->addTag('node_access');
        $this->assertEquals(2, $query->countQuery()
            ->execute()
            ->fetchField());
        $query = \Drupal::database()->select('node_field_data', 'n');
        // Use a Condition object to do the left join to test that this is handled
        // correctly.
        $join_cond = \Drupal::database()->condition('AND')
            ->where('[n].[changed] = [n].[changed]');
        $join_cond->compile(\Drupal::database(), $query);
        $query->leftJoin('node_field_data', 'nc', (string) $join_cond);
        $query->addTag('node_access');
        $this->assertEquals(4, $query->countQuery()
            ->execute()
            ->fetchField());
    }

}