class TextFieldTest

class TextFieldTest extends StringFieldTest {
    use TestFileCreationTrait {
        getTestFiles as drupalGetTestFiles;
    }
    
    /**
     * A user with relevant administrative privileges.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $this->adminUser = $this->drupalCreateUser([
            'administer filters',
        ]);
    }
    // Test fields.
    
    /**
     * Test text field validation.
     */
    public function testTextFieldValidation() {
        // Create a field with settings to validate.
        $max_length = 3;
        $field_name = mb_strtolower($this->randomMachineName());
        $field_storage = FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'text',
            'settings' => [
                'max_length' => $max_length,
            ],
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'entity_test',
        ])->save();
        // Test validation with valid and invalid values.
        $entity = EntityTest::create();
        for ($i = 0; $i <= $max_length + 2; $i++) {
            $entity->{$field_name}->value = str_repeat('x', $i);
            $violations = $entity->{$field_name}
                ->validate();
            if ($i <= $max_length) {
                $this->assertCount(0, $violations, "Length {$i} does not cause validation error when max_length is {$max_length}");
            }
            else {
                $this->assertCount(1, $violations, "Length {$i} causes validation error when max_length is {$max_length}");
            }
        }
    }
    
    /**
     * Test required long text with file upload.
     */
    public function testRequiredLongTextWithFileUpload() {
        // Create a text field.
        $text_field_name = 'text_long';
        $field_storage = FieldStorageConfig::create([
            'field_name' => $text_field_name,
            'entity_type' => 'entity_test',
            'type' => 'text_with_summary',
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'entity_test',
            'label' => $this->randomMachineName() . '_label',
            'required' => TRUE,
        ])
            ->save();
        // Create a file field.
        $file_field_name = 'file_field';
        $field_storage = FieldStorageConfig::create([
            'field_name' => $file_field_name,
            'entity_type' => 'entity_test',
            'type' => 'file',
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'entity_test',
            'label' => $this->randomMachineName() . '_label',
        ])
            ->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('entity_test', 'entity_test')
            ->setComponent($text_field_name, [
            'type' => 'text_textarea_with_summary',
        ])
            ->setComponent($file_field_name, [
            'type' => 'file_generic',
        ])
            ->save();
        $display_repository->getViewDisplay('entity_test', 'entity_test', 'full')
            ->setComponent($text_field_name)
            ->setComponent($file_field_name)
            ->save();
        $test_file = current($this->drupalGetTestFiles('text'));
        $edit['files[file_field_0]'] = \Drupal::service('file_system')->realpath($test_file->uri);
        $this->drupalPostForm('entity_test/add', $edit, 'Upload');
        $this->assertSession()
            ->statusCodeEquals(200);
        $edit = [
            'text_long[0][value]' => 'Long text',
        ];
        $this->drupalPostForm(NULL, $edit, 'Save');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet('entity_test/1');
        $this->assertText('Long text');
    }
    
    /**
     * Test widgets.
     */
    public function testTextfieldWidgets() {
        $this->_testTextfieldWidgets('text', 'text_textfield');
        $this->_testTextfieldWidgets('text_long', 'text_textarea');
    }
    
    /**
     * Test widgets + 'formatted_text' setting.
     */
    public function testTextfieldWidgetsFormatted() {
        $this->_testTextfieldWidgetsFormatted('text', 'text_textfield');
        $this->_testTextfieldWidgetsFormatted('text_long', 'text_textarea');
    }
    
    /**
     * Helper function for testTextfieldWidgetsFormatted().
     */
    public function _testTextfieldWidgetsFormatted($field_type, $widget_type) {
        
        /** @var \Drupal\Core\Render\RendererInterface $renderer */
        $renderer = $this->container
            ->get('renderer');
        // Create a field.
        $field_name = mb_strtolower($this->randomMachineName());
        $field_storage = FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => $field_type,
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'entity_test',
            'label' => $this->randomMachineName() . '_label',
        ])
            ->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => $widget_type,
        ])
            ->save();
        $display_repository->getViewDisplay('entity_test', 'entity_test', 'full')
            ->setComponent($field_name)
            ->save();
        // Disable all text formats besides the plain text fallback format.
        $this->drupalLogin($this->adminUser);
        foreach (filter_formats() as $format) {
            if (!$format->isFallbackFormat()) {
                $this->drupalPostForm('admin/config/content/formats/manage/' . $format->id() . '/disable', [], t('Disable'));
            }
        }
        $this->drupalLogin($this->webUser);
        // Display the creation form. Since the user only has access to one format,
        // no format selector will be displayed.
        $this->drupalGet('entity_test/add');
        $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
        $this->assertNoFieldByName("{$field_name}[0][format]", '', 'Format selector is not displayed');
        // Submit with data that should be filtered.
        $value = '<em>' . $this->randomMachineName() . '</em>';
        $edit = [
            "{$field_name}[0][value]" => $value,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
        $id = $match[1];
        $this->assertText(t('entity_test @id has been created.', [
            '@id' => $id,
        ]), 'Entity was created');
        // Display the entity.
        $entity = EntityTest::load($id);
        $display = $display_repository->getViewDisplay($entity->getEntityTypeId(), $entity->bundle(), 'full');
        $content = $display->build($entity);
        $rendered_entity = \Drupal::service('renderer')->renderRoot($content);
        $this->assertStringNotContainsString($value, (string) $rendered_entity);
        $this->assertStringContainsString(Html::escape($value), (string) $rendered_entity);
        // Create a new text format that does not escape HTML, and grant the user
        // access to it.
        $this->drupalLogin($this->adminUser);
        $edit = [
            'format' => mb_strtolower($this->randomMachineName()),
            'name' => $this->randomMachineName(),
        ];
        $this->drupalPostForm('admin/config/content/formats/add', $edit, t('Save configuration'));
        filter_formats_reset();
        $format = FilterFormat::load($edit['format']);
        $format_id = $format->id();
        $permission = $format->getPermissionName();
        $roles = $this->webUser
            ->getRoles();
        $rid = $roles[0];
        user_role_grant_permissions($rid, [
            $permission,
        ]);
        $this->drupalLogin($this->webUser);
        // Display edition form.
        // We should now have a 'text format' selector.
        $this->drupalGet('entity_test/manage/' . $id . '/edit');
        $this->assertFieldByName("{$field_name}[0][value]", NULL, 'Widget is displayed');
        $this->assertFieldByName("{$field_name}[0][format]", NULL, 'Format selector is displayed');
        // Edit and change the text format to the new one that was created.
        $edit = [
            "{$field_name}[0][format]" => $format_id,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertText(t('entity_test @id has been updated.', [
            '@id' => $id,
        ]), 'Entity was updated');
        // Display the entity.
        $this->container
            ->get('entity_type.manager')
            ->getStorage('entity_test')
            ->resetCache([
            $id,
        ]);
        $entity = EntityTest::load($id);
        $display = $display_repository->getViewDisplay($entity->getEntityTypeId(), $entity->bundle(), 'full');
        $content = $display->build($entity);
        $rendered_entity = \Drupal::service('renderer')->renderRoot($content);
        $this->assertStringContainsString($value, (string) $rendered_entity);
    }

}