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#179932 by Damien Tournoud, jromine, kenorb, deviantintegral, sun: Fixed Required radios/checkboxes are not validated.

merge-requests/26/head
Angie Byron 2009-11-15 21:36:06 +00:00
parent d83a5ada3e
commit 7fb94bda0d
3 changed files with 143 additions and 41 deletions
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25
includes/form.inc
View File

@ -831,7 +831,9 @@ function _form_validate($elements, &$form_state, $form_id = NULL) {
// A simple call to empty() will not cut it here as some fields, like
// checkboxes, can return a valid value of '0'. Instead, check the
// length if it's a string, and the item count if it's an array.
if ($elements['#required'] && (!count($elements['#value']) || (is_string($elements['#value']) && strlen(trim($elements['#value'])) == 0))) {
// An unchecked checkbox has a #value of numeric 0, different than string
// '0', which could be a valid value.
if ($elements['#required'] && (!count($elements['#value']) || (is_string($elements['#value']) && strlen(trim($elements['#value'])) == 0) || $elements['#value'] === 0)) {
form_error($elements, $t('!name field is required.', array('!name' => $elements['#title'])));
}
@ -1408,9 +1410,15 @@ function form_type_image_button_value($form, $input, $form_state) {
function form_type_checkbox_value($element, $input = FALSE) {
if ($input !== FALSE) {
if (empty($element['#disabled'])) {
return !empty($input) ? $element['#return_value'] : 0;
// Successful (checked) checkboxes are present with a value (possibly '0').
// http://www.w3.org/TR/html401/interact/forms.html#successful-controls
// For an unchecked checkbox, we return numeric 0, so we can explicitly
// test for a value different than string '0'.
return isset($input) ? $element['#return_value'] : 0;
}
else {
// Disabled form controls are not submitted by the browser. Ignore any
// submitted value and always return default.
return $element['#default_value'];
}
}
@ -2098,17 +2106,22 @@ function theme_text_format_wrapper($variables) {
*/
function theme_checkbox($variables) {
$element = $variables['element'];
$t = get_t();
_form_set_class($element, array('form-checkbox'));
$checkbox = '<input ';
$checkbox .= 'type="checkbox" ';
$checkbox .= 'name="' . $element['#name'] . '" ';
$checkbox .= 'id="' . $element['#id'] . '" ' ;
$checkbox .= 'value="' . $element['#return_value'] . '" ';
$checkbox .= $element['#value'] ? ' checked="checked" ' : ' ';
// Unchecked checkbox has #value of numeric 0.
if ($element['#value'] !== 0 && $element['#value'] == $element['#return_value']) {
$checkbox .= 'checked="checked" ';
}
$checkbox .= drupal_attributes($element['#attributes']) . ' />';
if (!is_null($element['#title'])) {
$checkbox = '<label class="option" for="' . $element['#id'] . '">' . $checkbox . ' ' . $element['#title'] . '</label>';
$required = !empty($element['#required']) ? ' <span class="form-required" title="' . $t('This field is required.') . '">*</span>' : '';
$checkbox = '<label class="option" for="' . $element['#id'] . '">' . $checkbox . ' ' . $element['#title'] . $required . '</label>';
}
return $checkbox;
@ -2165,7 +2178,7 @@ function form_process_checkboxes($element) {
'#processed' => TRUE,
'#title' => $choice,
'#return_value' => $key,
'#default_value' => isset($value[$key]),
'#default_value' => isset($value[$key]) ? $key : NULL,
'#attributes' => $element['#attributes'],
'#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
);
@ -2319,7 +2332,7 @@ function form_process_tableselect($element) {
'#type' => 'checkbox',
'#title' => '',
'#return_value' => $key,
'#default_value' => isset($value[$key]),
'#default_value' => isset($value[$key]) ? $key : NULL,
'#attributes' => $element['#attributes'],
'#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
);

76
modules/simpletest/tests/form.test
View File

@ -10,22 +10,30 @@ class FormsTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Required field validation',
'description' => 'Carriage returns, tabs, and spaces are not valid content for a required field.',
'name' => 'Form element validation',
'description' => 'Tests various form element validation mechanisms.',
'group' => 'Form API',
);
}
function setUp() {
parent::setUp('form_test');
}
/**
* Check several empty values for required forms elements.
*
* Carriage returns, tabs, spaces, and unchecked checkbox elements are not
* valid content for a required field.
*
* If the form field is found in form_get_errors() then the test pass.
*/
function testRequiredFields() {
// Originates from http://drupal.org/node/117748
// Sets of empty strings and arrays
// Sets of empty strings and arrays.
$empty_strings = array('""' => "", '"\n"' => "\n", '" "' => " ", '"\t"' => "\t", '" \n\t "' => " \n\t ", '"\n\n\n\n\n"' => "\n\n\n\n\n");
$empty_arrays = array('array()' => array());
$empty_checkbox = array(NULL);
$elements['textfield']['element'] = array('#title' => $this->randomName(), '#type' => 'textfield');
$elements['textfield']['empty_values'] = $empty_strings;
@ -42,6 +50,9 @@ class FormsTestCase extends DrupalWebTestCase {
$elements['radios']['element'] = array('#title' => $this->randomName(), '#type' => 'radios', '#options' => array($this->randomName(), $this->randomName(), $this->randomName()));
$elements['radios']['empty_values'] = $empty_arrays;
$elements['checkbox']['element'] = array('#title' => $this->randomName(), '#type' => 'checkbox', '#required' => TRUE, '#title' => $this->randomName());
$elements['checkbox']['empty_values'] = $empty_checkbox;
$elements['checkboxes']['element'] = array('#title' => $this->randomName(), '#type' => 'checkboxes', '#options' => array($this->randomName(), $this->randomName(), $this->randomName()));
$elements['checkboxes']['empty_values'] = $empty_arrays;
@ -54,7 +65,7 @@ class FormsTestCase extends DrupalWebTestCase {
// Regular expression to find the expected marker on required elements.
$required_marker_preg = '@<label.*<span class="form-required" title="This field is required\.">\*</span></label>@';
// Go through all the elements and all the empty values for them
// Go through all the elements and all the empty values for them.
foreach ($elements as $type => $data) {
foreach ($data['empty_values'] as $key => $empty) {
foreach (array(TRUE, FALSE) as $required) {
@ -107,42 +118,37 @@ class FormsTestCase extends DrupalWebTestCase {
// Clear the expected form error messages so they don't appear as exceptions.
drupal_get_messages();
}
}
/**
* Test form type functions for expected behavior.
*/
class FormsTestTypeCase extends DrupalUnitTestCase {
public static function getInfo() {
return array(
'name' => 'Form type-specific tests',
'description' => 'Test form type functions for expected behavior.',
'group' => 'Form API',
);
}
/**
* Test form_type_checkbox_value() function for expected behavior.
* Test default value handling for checkboxes.
*
* @see _form_test_checkbox().
*/
function testFormCheckboxValue() {
$form['#return_value'] = $return_value = $this->randomName();
$form['#default_value'] = $default_value = $this->randomName();
// Element is disabled , and $edit is not empty.
$form['#disabled'] = TRUE;
$edit = array(1);
$this->assertEqual(form_type_checkbox_value($form, $edit), $default_value, t('form_type_checkbox_value() returns the default value when #disabled is set.'));
// Element is not disabled, $edit is not empty.
unset($form['#disabled']);
$this->assertEqual(form_type_checkbox_value($form, $edit), $return_value, t('form_type_checkbox_value() returns the return value when #disabled is not set.'));
// Element is not disabled, $edit is empty.
function testCheckboxProcessing() {
// First, try to submit without the required checkbox.
$edit = array();
$this->assertIdentical(form_type_checkbox_value($form, $edit), 0, t('form_type_checkbox_value() returns 0 when #disabled is not set, and $edit is empty.'));
$this->drupalPost('form-test/checkbox', $edit, t('Submit'));
$this->assertRaw(t('!name field is required.', array('!name' => 'required_checkbox')), t('A required checkbox is actually mandatory'));
// $edit is FALSE.
$edit = FALSE;
$this->assertNull(form_type_checkbox_value($form, $edit), t('form_type_checkbox_value() returns NULL when $edit is FALSE'));
// Now try to submit the form correctly.
$this->drupalPost(NULL, array('required_checkbox' => 1), t('Submit'));
$values = json_decode($this->drupalGetContent(), TRUE);
$expected_values = array(
'disabled_checkbox_on' => 'disabled_checkbox_on',
'disabled_checkbox_off' => '',
'checkbox_on' => 'checkbox_on',
'checkbox_off' => '',
'zero_checkbox_on' => '0',
'zero_checkbox_off' => '',
);
foreach ($expected_values as $widget => $expected_value) {
$this->assertEqual($values[$widget], $expected_value, t('Checkbox %widget returns expected value (expected: %expected, got: %value)', array(
'%widget' => var_export($widget, TRUE),
'%expected' => var_export($expected_value, TRUE),
'%value' => var_export($values[$widget], TRUE),
)));
}
}
}

83
modules/simpletest/tests/form_test.module
View File

@ -70,6 +70,14 @@ function form_test_menu() {
'type' => MENU_CALLBACK,
);
$items['form-test/checkbox'] = array(
'title' => t('Form test'),
'page callback' => 'drupal_get_form',
'page arguments' => array('_form_test_checkbox'),
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
return $items;
}
@ -393,3 +401,78 @@ function form_test_form_state_values_clean_form_submit($form, &$form_state) {
drupal_json_output($form_state['values']);
exit;
}
/**
* Build a form to test a checkbox.
*/
function _form_test_checkbox($form, &$form_state) {
// A required checkbox.
$form['required_checkbox'] = array(
'#type' => 'checkbox',
'#required' => TRUE,
'#title' => 'required_checkbox',
);
// A disabled checkbox should get its default value back.
$form['disabled_checkbox_on'] = array(
'#type' => 'checkbox',
'#disabled' => TRUE,
'#return_value' => 'disabled_checkbox_on',
'#default_value' => 'disabled_checkbox_on',
'#title' => 'disabled_checkbox_on',
);
$form['disabled_checkbox_off'] = array(
'#type' => 'checkbox',
'#disabled' => TRUE,
'#return_value' => 'disabled_checkbox_off',
'#default_value' => NULL,
'#title' => 'disabled_checkbox_off',
);
// A checkbox is active when #default_value == #return_value.
$form['checkbox_on'] = array(
'#type' => 'checkbox',
'#return_value' => 'checkbox_on',
'#default_value' => 'checkbox_on',
'#title' => 'checkbox_on',
);
// But inactive in any other case.
$form['checkbox_off'] = array(
'#type' => 'checkbox',
'#return_value' => 'checkbox_off',
'#default_value' => 'checkbox_on',
'#title' => 'checkbox_off',
);
// Checkboxes with a #return_value of '0' are supported.
$form['zero_checkbox_on'] = array(
'#type' => 'checkbox',
'#return_value' => '0',
'#default_value' => '0',
'#title' => 'zero_checkbox_on',
);
// In that case, passing a #default_value != '0' means that the checkbox is off.
$form['zero_checkbox_off'] = array(
'#type' => 'checkbox',
'#return_value' => '0',
'#default_value' => '1',
'#title' => 'zero_checkbox_off',
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Submit')
);
return $form;
}
/**
* Return the form values via JSON.
*/
function _form_test_checkbox_submit($form, &$form_state) {
drupal_json_output($form_state['values']);
exit();
}