class ManageFieldsTest

class ManageFieldsTest extends BrowserTestBase {
    use FieldUiTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'field_test',
        'field_ui',
        'field_ui_test',
        'node',
        'text',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with permission to administer node fields, etc.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->adminUser = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $this->drupalLogin($this->adminUser);
        $this->config('system.logging')
            ->set('error_level', ERROR_REPORTING_DISPLAY_ALL)
            ->save();
    }
    
    /**
     * Tests drop button operations on the manage fields page.
     */
    public function testFieldDropButtonOperations() : void {
        $assert_session = $this->assertSession();
        $node_type = $this->drupalCreateContentType();
        $bundle = $node_type->id();
        
        /** @var \Drupal\field\FieldStorageConfigInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('field_storage_config')
            ->create([
            'type' => 'string',
            'field_name' => 'highlander',
            'entity_type' => 'node',
        ]);
        $storage->save();
        $this->container
            ->get('entity_type.manager')
            ->getStorage('field_config')
            ->create([
            'field_storage' => $storage,
            'bundle' => $bundle,
        ])
            ->save();
        $this->drupalGet("/admin/structure/types/manage/{$bundle}/fields");
        // Check that the summary element for the string field type exists and has
        // the correct text (which comes from the FieldItemBase class).
        $element = $assert_session->elementExists('css', '#highlander');
        $summary = $assert_session->elementExists('css', '.field-settings-summary-cell > ul > li', $element);
        $field_label = $this->container
            ->get('plugin.manager.field.field_type')
            ->getDefinitions()['string']['label'];
        $this->assertEquals($field_label, $summary->getText());
        // Add an entity reference field, and check that its summary is custom.
        
        /** @var \Drupal\field\FieldStorageConfigInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('field_storage_config')
            ->create([
            'type' => 'entity_reference',
            'field_name' => 'downlander',
            'entity_type' => 'node',
            'settings' => [
                'target_type' => 'node',
            ],
        ]);
        $storage->save();
        $this->container
            ->get('entity_type.manager')
            ->getStorage('field_config')
            ->create([
            'field_storage' => $storage,
            'bundle' => $bundle,
            'entity_type' => 'node',
            'settings' => [
                'handler_settings' => [
                    'target_bundles' => [
                        $bundle => $bundle,
                    ],
                ],
            ],
        ])
            ->save();
        $this->drupalGet("/admin/structure/types/manage/{$bundle}/fields");
        $element = $assert_session->elementExists('css', '#downlander');
        $custom_summary_text = 'Reference type: Content';
        $allowed_bundles_text = "Content type: {$bundle}";
        $this->assertStringContainsString($custom_summary_text, $element->getText());
        $this->assertStringContainsString($allowed_bundles_text, $element->getText());
    }
    
    /**
     * Tests adding a field.
     */
    public function testAddField() : void {
        $page = $this->getSession()
            ->getPage();
        $type = $this->drupalCreateContentType([
            'name' => 'Article',
            'type' => 'article',
        ]);
        // Make sure field descriptions appear, both 1 line and multiple lines.
        $this->drupalGet('/admin/structure/types/manage/' . $type->id() . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'field_test_descriptions',
        ];
        $this->submitForm($edit, 'Continue');
        $this->assertSession()
            ->pageTextContains('This one-line field description is important for testing');
        $this->assertSession()
            ->pageTextContains('This multiple line description needs to use an array');
        $this->assertSession()
            ->pageTextContains('This second line contains important information');
        // Create a new field without actually saving it.
        $this->fieldUIAddNewField('admin/structure/types/manage/' . $type->id(), 'test_field', 'Test field', 'test_field', [], [], FALSE);
        // Assert that the field was not created.
        $this->assertNull(FieldStorageConfig::loadByName('node', "field_test_field"));
        $this->drupalGet('/admin/structure/types/manage/' . $type->id() . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $edit = [
            'label' => 'Test field',
            'field_name' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $this->assertSession()
            ->statusMessageNotContains('Saved');
        // Change the storage form values.
        $edit = [
            'field_storage[subform][cardinality_number]' => 5,
        ];
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->statusMessageNotContains('Saved');
        // Assert that the form values persist.
        $this->assertEquals(5, $page->findField('field_storage[subform][cardinality_number]')
            ->getValue());
        // Try creating a field with the same machine name.
        $this->drupalGet('/admin/structure/types/manage/' . $type->id() . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $edit = [
            'label' => 'Test field',
            'field_name' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        // Assert that the values in the field storage form are reset.
        $this->assertEquals(1, $page->findField('field_storage[subform][cardinality_number]')
            ->getValue());
        // Assert that the field is created with the new settings.
        $this->submitForm([], 'Update settings');
        $this->assertSession()
            ->statusMessageNotContains('Saved');
        $this->submitForm([], 'Save settings');
        $this->assertSession()
            ->statusMessageContains('Saved');
        $this->assertEquals(1, FieldStorageConfig::loadByName('node', 'field_test_field')->getCardinality());
    }
    
    /**
     * Tests multiple users adding a field with the same name.
     */
    public function testAddFieldWithMultipleUsers() : void {
        $page = $this->getSession()
            ->getPage();
        // Create two users.
        $user1 = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $user2 = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $node_type = $this->drupalCreateContentType();
        $bundle_path = '/admin/structure/types/manage/' . $node_type->id();
        // Start adding a field as user 1, stop prior to saving, but keep the URL.
        $this->drupalLogin($user1);
        $this->drupalGet($bundle_path . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $edit = [
            'label' => 'Test field',
            'field_name' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        // Make changes to the storage form.
        $edit = [
            'field_storage[subform][cardinality_number]' => 5,
        ];
        $storage_form_url = $this->getUrl();
        $this->submitForm($edit, 'Update settings');
        $this->drupalLogout();
        // Actually add a field as user 2.
        $this->drupalLogin($user2);
        $this->drupalGet($bundle_path . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $edit = [
            'label' => 'Test field',
            'field_name' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $allowed_no_of_values = $page->findField('field_storage[subform][cardinality_number]')
            ->getValue();
        // Assert that the changes made by any user do not affect other users until
        // the field is saved.
        $this->assertEquals(1, $allowed_no_of_values);
        $this->submitForm([
            'field_storage[subform][cardinality_number]' => 2,
        ], 'Update settings');
        $this->submitForm([], 'Save settings');
        $this->assertSession()
            ->pageTextContains("Saved Test field configuration.");
        $this->drupalLogout();
        // Continue adding a field as user 1, using the URL saved previously.
        $this->drupalLogin($user1);
        $this->drupalGet($storage_form_url);
        // Assert that the user can go on with configuring a field with a machine
        // that is already taken.
        $this->assertSession()
            ->pageTextNotContains('error');
        $this->submitForm([], 'Save settings');
        // An error is thrown only after the final 'Save'.
        $this->assertSession()
            ->statusMessageContains("An error occurred while saving the field: 'field_storage_config' entity with ID 'node.field_test_field' already exists.");
    }
    
    /**
     * Tests editing field when the field exists in temp store.
     */
    public function testEditFieldWithLeftOverFieldInTempStore() : void {
        $user = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $node_type = $this->drupalCreateContentType();
        $bundle_path = '/admin/structure/types/manage/' . $node_type->id();
        // Start adding a field but stop prior to saving.
        $this->drupalLogin($user);
        $this->drupalGet($bundle_path . '/fields/add-field');
        $edit = [
            'new_storage_type' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        $edit = [
            'label' => 'Test field',
            'field_name' => 'test_field',
        ];
        $this->submitForm($edit, 'Continue');
        
        /** @var \Drupal\field\FieldStorageConfigInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('field_storage_config')
            ->create([
            'type' => 'test_field',
            'field_name' => 'test_field',
            'entity_type' => 'node',
        ]);
        $storage->save();
        $this->container
            ->get('entity_type.manager')
            ->getStorage('field_config')
            ->create([
            'field_storage' => $storage,
            'bundle' => $node_type->id(),
            'entity_type' => 'node',
        ])
            ->save();
        $this->drupalGet("{$bundle_path}/fields/node.{$node_type->id()}.test_field");
        $this->submitForm([], 'Save settings');
        $this->assertSession()
            ->statusMessageContains('Saved test_field configuration.', 'status');
    }
    
    /**
     * Tests creating entity reference field to non-bundleable entity type.
     */
    public function testEntityReferenceToNonBundleableEntity() : void {
        $type = $this->drupalCreateContentType([
            'name' => 'kittens',
            'type' => 'kittens',
        ]);
        $bundle_path = 'admin/structure/types/manage/' . $type->id();
        $field_name = 'field_user_reference';
        $field_edit = [
            'set_default_value' => '1',
            "default_value_input[{$field_name}][0][target_id]" => $this->adminUser
                ->label() . ' (' . $this->adminUser
                ->id() . ')',
        ];
        $this->fieldUIAddNewField($bundle_path, 'user_reference', NULL, 'field_ui:entity_reference:user', [], $field_edit);
        $field = FieldConfig::loadByName('node', 'kittens', $field_name);
        $this->assertEquals([
            [
                'target_id' => $this->adminUser
                    ->id(),
            ],
        ], $field->getDefaultValue(User::create([
            'name' => '1337',
        ])));
    }
    
    /**
     * Tests hook_form_field_storage_config_form_edit_alter().
     *
     * @group legacy
     */
    public function testFieldTypeCardinalityAlter() : void {
        $node_type = $this->drupalCreateContentType();
        $bundle = $node_type->id();
        
        /** @var \Drupal\field\FieldStorageConfigInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('field_storage_config')
            ->create([
            'type' => 'test_field',
            'field_name' => 'field_test_field',
            'entity_type' => 'node',
        ]);
        $storage->save();
        $this->container
            ->get('entity_type.manager')
            ->getStorage('field_config')
            ->create([
            'field_storage' => $storage,
            'bundle' => $bundle,
            'entity_type' => 'node',
        ])
            ->save();
        $this->drupalGet("/admin/structure/types/manage/{$bundle}/fields/node.{$bundle}.field_test_field");
        $this->assertSession()
            ->elementTextContains('css', '#edit-field-storage', 'Greetings from Drupal\\field_test\\Plugin\\Field\\FieldType\\TestItem::storageSettingsForm');
    }
    
    /**
     * Tests hook_field_info_entity_type_ui_definitions_alter().
     */
    public function testFieldUiDefinitionsAlter() : void {
        $user = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $node_type = $this->drupalCreateContentType();
        $this->drupalLogin($user);
        $this->drupalGet('/admin/structure/types/manage/' . $node_type->id() . '/fields/add-field');
        $this->assertSession()
            ->pageTextContains('Boolean (overridden by alter)');
    }
    
    /**
     * Ensure field category fallback works for field types without a description.
     */
    public function testFieldCategoryFallbackWithoutDescription() : void {
        $user = $this->drupalCreateUser([
            'administer node fields',
        ]);
        $node_type = $this->drupalCreateContentType();
        $this->drupalLogin($user);
        $this->drupalGet('/admin/structure/types/manage/' . $node_type->id() . '/fields/add-field');
        $field_type = $this->assertSession()
            ->elementExists('xpath', '//label[text()="Test field"]');
        $description_container = $field_type->getParent()
            ->find('css', '.field-option__description');
        $this->assertNotNull($description_container);
        $this->assertEquals('', $description_container->getText());
    }

}