class ManageFieldsLifecycleTest

class ManageFieldsLifecycleTest extends ManageFieldsFunctionalTestBase {
    
    /**
     * Runs the field CRUD tests.
     *
     * In order to act on the same fields, and not create the fields over and over
     * again the following tests create, update and delete the same fields.
     */
    public function testCRUDFields() : void {
        $this->manageFieldsPage();
        $this->createField();
        $this->updateField();
        $this->addExistingField();
        $this->cardinalitySettings();
        $this->fieldListAdminPage();
        $this->deleteField();
        $this->addPersistentFieldStorage();
    }
    
    /**
     * Tests the manage fields page.
     *
     * @param string $type
     *   (optional) The name of a content type.
     */
    protected function manageFieldsPage($type = '') : void {
        $type = empty($type) ? $this->contentType : $type;
        $this->drupalGet('admin/structure/types/manage/' . $type . '/fields');
        // Check all table columns.
        $table_headers = [
            'Label',
            'Machine name',
            'Field type',
            'Operations',
        ];
        foreach ($table_headers as $table_header) {
            // We check that the label appear in the table headings.
            $this->assertSession()
                ->responseContains($table_header . '</th>');
        }
        // Test the "Create a new field" action link.
        $this->assertSession()
            ->linkExists('Create a new field');
        // Assert entity operations for all fields.
        $number_of_links = 2;
        $number_of_links_found = 0;
        $operation_links = $this->xpath('//ul[@class = "dropbutton"]/li/a');
        $url = base_path() . "admin/structure/types/manage/{$type}/fields/node.{$type}.body";
        foreach ($operation_links as $link) {
            switch ($link->getAttribute('title')) {
                case 'Edit field settings.':
                    $this->assertSame($url, $link->getAttribute('href'));
                    $number_of_links_found++;
                    break;
                case 'Delete field.':
                    $this->assertSame("{$url}/delete", $link->getAttribute('href'));
                    $number_of_links_found++;
                    break;
            }
        }
        $this->assertEquals($number_of_links, $number_of_links_found);
    }
    
    /**
     * Tests adding a new field.
     *
     * @todo Assert properties can be set in the form and read back in
     * $field_storage and $fields.
     */
    protected function createField() : void {
        // Create a test field.
        $this->fieldUIAddNewField('admin/structure/types/manage/' . $this->contentType, $this->fieldNameInput, $this->fieldLabel);
    }
    
    /**
     * Tests editing an existing field.
     */
    protected function updateField() : void {
        $field_id = 'node.' . $this->contentType . '.' . $this->fieldName;
        // Go to the field edit page.
        $this->drupalGet('admin/structure/types/manage/' . $this->contentType . '/fields/' . $field_id);
        $this->assertSession()
            ->assertEscaped($this->fieldLabel);
        // Populate the field settings with new settings.
        $string = 'updated dummy test string';
        $edit = [
            'settings[test_field_setting]' => $string,
            'field_storage[subform][settings][test_field_storage_setting]' => $string,
        ];
        $this->assertSession()
            ->pageTextContains('Default value');
        $this->submitForm($edit, 'Save settings');
        // Assert the field settings are correct.
        $this->assertFieldSettings($this->contentType, $this->fieldName, $string);
        // Assert redirection back to the "manage fields" page.
        $this->assertSession()
            ->addressEquals('admin/structure/types/manage/' . $this->contentType . '/fields');
    }
    
    /**
     * Tests adding an existing field in another content type.
     */
    protected function addExistingField() : void {
        // Check "Re-use existing field" appears.
        $this->drupalGet('admin/structure/types/manage/page/fields');
        $this->assertSession()
            ->pageTextContains('Re-use an existing field');
        $this->clickLink('Re-use an existing field');
        // Check that fields of other entity types (here, the 'comment_body' field)
        // do not show up in the "Re-use existing field" list.
        $this->assertSession()
            ->elementNotExists('css', '.js-reuse-table [data-field-id="comment_body"]');
        // Validate the FALSE assertion above by also testing a valid one.
        $this->assertSession()
            ->elementExists('css', ".js-reuse-table [data-field-id='{$this->fieldName}']");
        $new_label = $this->fieldLabel . '_2';
        // Add a new field based on an existing field.
        $this->fieldUIAddExistingField("admin/structure/types/manage/page", $this->fieldName, $new_label);
    }
    
    /**
     * Tests the cardinality settings of a field.
     *
     * We do not test if the number can be submitted with anything else than a
     * numeric value. That is tested already in FormTest::testNumber().
     */
    protected function cardinalitySettings() : void {
        $field_edit_path = 'admin/structure/types/manage/article/fields/node.article.body';
        // Assert the cardinality other field cannot be empty when cardinality is
        // set to 'number'.
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => '',
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->pageTextContains('Number of values is required.');
        // Submit a custom number.
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 6,
        ];
        $this->submitForm($edit, 'Update settings');
        $this->submitForm([], 'Save settings');
        $this->drupalGet($field_edit_path);
        $this->assertSession()
            ->fieldValueEquals('field_storage[subform][cardinality]', 'number');
        $this->assertSession()
            ->fieldValueEquals('field_storage[subform][cardinality_number]', 6);
        // Add two entries in the body.
        $edit = [
            'title[0][value]' => 'Cardinality',
            'body[0][value]' => 'Body 1',
            'body[1][value]' => 'Body 2',
        ];
        $this->drupalGet('node/add/article');
        $this->submitForm($edit, 'Save');
        // Assert that you can't set the cardinality to a lower number than the
        // highest delta of this field.
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 1,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->pageTextContains("There is 1 entity with 2 or more values in this field");
        // Create a second entity with three values.
        $edit = [
            'title[0][value]' => 'Cardinality 3',
            'body[0][value]' => 'Body 1',
            'body[1][value]' => 'Body 2',
            'body[2][value]' => 'Body 3',
        ];
        $this->drupalGet('node/add/article');
        $this->submitForm($edit, 'Save');
        // Set to unlimited.
        $edit = [
            'field_storage[subform][cardinality]' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->submitForm([], 'Save settings');
        $this->drupalGet($field_edit_path);
        $this->assertSession()
            ->fieldValueEquals('field_storage[subform][cardinality]', FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        $this->assertSession()
            ->fieldValueEquals('field_storage[subform][cardinality_number]', 1);
        // Assert that you can't set the cardinality to a lower number then the
        // highest delta of this field but can set it to the same.
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 1,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->submitForm([], 'Save settings');
        $this->assertSession()
            ->pageTextContains("There are 2 entities with 2 or more values in this field");
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 2,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->pageTextContains("There is 1 entity with 3 or more values in this field");
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 3,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        // Test the cardinality validation is not access sensitive.
        // Remove the cardinality limit 4 so we can add a node the user doesn't have access to.
        $edit = [
            'field_storage[subform][cardinality]' => (string) FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $node = $this->drupalCreateNode([
            'private' => TRUE,
            'uid' => 0,
            'type' => 'article',
        ]);
        $node->body
            ->appendItem('body 1');
        $node->body
            ->appendItem('body 2');
        $node->body
            ->appendItem('body 3');
        $node->body
            ->appendItem('body 4');
        $node->save();
        // Assert that you can't set the cardinality to a lower number then the
        // highest delta of this field (including inaccessible entities) but can
        // set it to the same.
        $this->drupalGet($field_edit_path);
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 2,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->pageTextContains("There are 2 entities with 3 or more values in this field");
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 3,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->assertSession()
            ->pageTextContains("There is 1 entity with 4 or more values in this field");
        $edit = [
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => 4,
        ];
        $this->drupalGet($field_edit_path);
        $this->submitForm($edit, 'Update settings');
        $this->submitForm([], 'Save settings');
    }
    
    /**
     * Tests deleting a field from the field edit form.
     */
    protected function deleteField() : void {
        // Delete the field.
        $field_id = 'node.' . $this->contentType . '.' . $this->fieldName;
        $this->drupalGet('admin/structure/types/manage/' . $this->contentType . '/fields/' . $field_id);
        $this->clickLink('Delete');
        $this->assertSession()
            ->statusCodeEquals(200);
    }
    
    /**
     * Tests that persistent field storage appears in the field UI.
     */
    protected function addPersistentFieldStorage() : void {
        $field_storage = FieldStorageConfig::loadByName('node', $this->fieldName);
        // Persist the field storage even if there are no fields.
        $field_storage->set('persist_with_no_fields', TRUE)
            ->save();
        // Delete all instances of the field.
        foreach ($field_storage->getBundles() as $node_type) {
            // Delete all the body field instances.
            $this->drupalGet('admin/structure/types/manage/' . $node_type . '/fields/node.' . $node_type . '.' . $this->fieldName);
            $this->clickLink('Delete');
            $this->submitForm([], 'Delete');
        }
        // Check "Re-use existing field" appears.
        $this->drupalGet('admin/structure/types/manage/page/fields');
        $this->assertSession()
            ->pageTextContains('Re-use an existing field');
        // Ensure that we test with a label that contains HTML.
        $label = $this->randomString(4) . '<br/>' . $this->randomString(4);
        // Add a new field for the orphaned storage.
        $this->fieldUIAddExistingField("admin/structure/types/manage/page", $this->fieldName, $label);
    }
    
    /**
     * Asserts field settings are as expected.
     *
     * @param string $bundle
     *   The bundle name for the field.
     * @param string $field_name
     *   The field name for the field.
     * @param string $string
     *   The settings text.
     * @param string $entity_type
     *   The entity type for the field.
     *
     * @internal
     */
    protected function assertFieldSettings(string $bundle, string $field_name, string $string = 'dummy test string', string $entity_type = 'node') : void {
        // Assert field storage settings.
        $field_storage = FieldStorageConfig::loadByName($entity_type, $field_name);
        $this->assertSame($string, $field_storage->getSetting('test_field_storage_setting'), 'Field storage settings were found.');
        // Assert field settings.
        $field = FieldConfig::loadByName($entity_type, $bundle, $field_name);
        $this->assertSame($string, $field->getSetting('test_field_setting'), 'Field settings were found.');
    }
    
    /**
     * Tests that the field list administration page operates correctly.
     */
    protected function fieldListAdminPage() : void {
        $this->drupalGet('admin/reports/fields');
        $this->assertSession()
            ->pageTextContains($this->fieldName);
        $this->assertSession()
            ->linkByHrefExists('admin/structure/types/manage/' . $this->contentType . '/fields');
    }

}