FieldAccessTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\field\Functional;

use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Tests Field access.
 *
 * @group field
 */
class FieldAccessTest extends FieldTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'field_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Node entity to use in this test.
     *
     * @var \Drupal\node\Entity\Node
     */
    protected $node;
    
    /**
     * Field value to test display on nodes.
     *
     * @var string
     */
    protected $testViewFieldValue;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $web_user = $this->drupalCreateUser([
            'view test_view_field content',
        ]);
        $this->drupalLogin($web_user);
        // Create content type.
        $content_type_info = $this->drupalCreateContentType();
        $content_type = $content_type_info->id();
        $field_storage = [
            'field_name' => 'test_view_field',
            'entity_type' => 'node',
            'type' => 'text',
        ];
        FieldStorageConfig::create($field_storage)->save();
        $field = [
            'field_name' => $field_storage['field_name'],
            'entity_type' => 'node',
            'bundle' => $content_type,
        ];
        FieldConfig::create($field)->save();
        // Assign display properties for the 'default' and 'teaser' view modes.
        foreach ([
            'default',
            'teaser',
        ] as $view_mode) {
            \Drupal::service('entity_display.repository')->getViewDisplay('node', $content_type, $view_mode)
                ->setComponent($field_storage['field_name'])
                ->save();
        }
        // Create test node.
        $this->testViewFieldValue = 'This is some text';
        $settings = [];
        $settings['type'] = $content_type;
        $settings['title'] = 'Field view access test';
        $settings['test_view_field'] = [
            [
                'value' => $this->testViewFieldValue,
            ],
        ];
        $this->node = $this->drupalCreateNode($settings);
    }
    
    /**
     * Tests that hook_entity_field_access() is called.
     */
    public function testFieldAccess() : void {
        // Assert the text is visible.
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->assertSession()
            ->pageTextContains($this->testViewFieldValue);
        // Assert the text is not visible for anonymous users.
        // The field_test module implements hook_entity_field_access() which will
        // specifically target the 'test_view_field' field.
        $this->drupalLogout();
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->assertSession()
            ->pageTextNotContains($this->testViewFieldValue);
    }

}