Club Drupal

  /**

   * Tests that submitted values are converted to scalar strings for textfields.

   */

  public function testTextfieldStringValue() {

    // Check multivalued submissions.

    $multivalue = array('evil' => 'multivalue', 'not so' => 'good');

    $this->checkFormValue('textfield', $multivalue, '');

    $this->checkFormValue('password', $multivalue, '');

    $this->checkFormValue('textarea', $multivalue, '');

    $this->checkFormValue('machine_name', $multivalue, '');

    $this->checkFormValue('password_confirm', $multivalue, array('pass1' => '', 'pass2' => ''));

    // Check integer submissions.

    $integer = 5;

    $string = '5';

    $this->checkFormValue('textfield', $integer, $string);

    $this->checkFormValue('password', $integer, $string);

    $this->checkFormValue('textarea', $integer, $string);

    $this->checkFormValue('machine_name', $integer, $string);

    $this->checkFormValue('password_confirm', array('pass1' => $integer, 'pass2' => $integer), array('pass1' => $string, 'pass2' => $string));

    // Check that invalid array keys are ignored for password confirm elements.

    $this->checkFormValue('password_confirm', array('pass1' => 'test', 'pass2' => 'test', 'extra' => 'invalid'), array('pass1' => 'test', 'pass2' => 'test'));

  }

  /**

   * Checks that a given form input value is sanitized to the expected result.

   *

   * @param string $element_type

   *   The form element type. Example: textfield.

   * @param mixed $input_value

   *   The submitted user input value for the form element.

   * @param mixed $expected_value

   *   The sanitized result value in the form state after calling

   *   form_builder().

   */

  protected function checkFormValue($element_type, $input_value, $expected_value) {

    $form_id = $this->randomName();

    $form = array();

    $form_state = form_state_defaults();

    $form['op'] = array('#type' => 'submit', '#value' => t('Submit'));

    $form[$element_type] = array(

      '#type' => $element_type,

      '#title' => 'test',

    );

    $form_state['input'][$element_type] = $input_value;

    $form_state['input']['form_id'] = $form_id;

    $form_state['method'] = 'post';

    $form_state['values'] = array();

    drupal_prepare_form($form_id, $form, $form_state);

    // This is the main function we want to test: it is responsible for

    // populating user supplied $form_state['input'] to sanitized

    // $form_state['values'].

    form_builder($form_id, $form, $form_state);

    $this->assertIdentical($form_state['values'][$element_type], $expected_value, format_string('Form submission for the "@element_type" element type has been correctly sanitized.', array('@element_type' => $element_type)));

  }