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<?php
namespace Drupal\system\Tests\Form;
use Drupal\Component\Serialization\Json;
use Drupal\Component\Utility\Html;
use Drupal\Component\Utility\SafeMarkup;
use Drupal\Core\Form\FormState;
use Drupal\Core\Render\Element;
use Drupal\Core\Url;
use Drupal\form_test\Form\FormTestDisabledElementsForm;
use Drupal\simpletest\WebTestBase;
use Drupal\user\RoleInterface;
use Drupal\filter\Entity\FilterFormat;
/**
* Tests various form element validation mechanisms.
*
* @group Form
*/
class FormTest extends WebTestBase {
/**
* Modules to enable.
*
* @var array
*/
public static $modules = ['filter', 'form_test', 'file', 'datetime'];
protected function setUp() {
parent::setUp();
$filtered_html_format = FilterFormat::create([
'format' => 'filtered_html',
'name' => 'Filtered HTML',
]);
$filtered_html_format->save();
$filtered_html_permission = $filtered_html_format->getPermissionName();
user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, [$filtered_html_permission]);
}
/**
* 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_state->getErrors() then the test pass.
*/
public function testRequiredFields() {
// Originates from https://www.drupal.org/node/117748.
// Sets of empty strings and arrays.
$empty_strings = ['""' => "", '"\n"' => "\n", '" "' => " ", '"\t"' => "\t", '" \n\t "' => " \n\t ", '"\n\n\n\n\n"' => "\n\n\n\n\n"];
$empty_arrays = ['array()' => []];
$empty_checkbox = [NULL];
$elements['textfield']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'textfield'];
$elements['textfield']['empty_values'] = $empty_strings;
$elements['telephone']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'tel'];
$elements['telephone']['empty_values'] = $empty_strings;
$elements['url']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'url'];
$elements['url']['empty_values'] = $empty_strings;
$elements['search']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'search'];
$elements['search']['empty_values'] = $empty_strings;
$elements['password']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'password'];
$elements['password']['empty_values'] = $empty_strings;
$elements['password_confirm']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'password_confirm'];
// Provide empty values for both password fields.
foreach ($empty_strings as $key => $value) {
$elements['password_confirm']['empty_values'][$key] = ['pass1' => $value, 'pass2' => $value];
}
$elements['textarea']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'textarea'];
$elements['textarea']['empty_values'] = $empty_strings;
$elements['radios']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'radios', '#options' => ['' => t('None'), $this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()]];
$elements['radios']['empty_values'] = $empty_arrays;
$elements['checkbox']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'checkbox', '#required' => TRUE];
$elements['checkbox']['empty_values'] = $empty_checkbox;
$elements['checkboxes']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'checkboxes', '#options' => [$this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()]];
$elements['checkboxes']['empty_values'] = $empty_arrays;
$elements['select']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'select', '#options' => ['' => t('None'), $this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()]];
$elements['select']['empty_values'] = $empty_strings;
$elements['file']['element'] = ['#title' => $this->randomMachineName(), '#type' => 'file'];
$elements['file']['empty_values'] = $empty_strings;
// Regular expression to find the expected marker on required elements.
$required_marker_preg = '@<.*?class=".*?js-form-required.*form-required.*?">@';
// Go through all the elements and all the empty values for them.
foreach ($elements as $type => $data) {
foreach ($data['empty_values'] as $key => $empty) {
foreach ([TRUE, FALSE] as $required) {
$form_id = $this->randomMachineName();
$form = [];
$form_state = new FormState();
$form['op'] = ['#type' => 'submit', '#value' => t('Submit')];
$element = $data['element']['#title'];
$form[$element] = $data['element'];
$form[$element]['#required'] = $required;
$user_input[$element] = $empty;
$user_input['form_id'] = $form_id;
$form_state->setUserInput($user_input);
$form_state->setFormObject(new StubForm($form_id, $form));
$form_state->setMethod('POST');
// The form token CSRF protection should not interfere with this test,
// so we bypass it by setting the token to FALSE.
$form['#token'] = FALSE;
\Drupal::formBuilder()->prepareForm($form_id, $form, $form_state);
\Drupal::formBuilder()->processForm($form_id, $form, $form_state);
$errors = $form_state->getErrors();
// Form elements of type 'radios' throw all sorts of PHP notices
// when you try to render them like this, so we ignore those for
// testing the required marker.
// @todo Fix this work-around (https://www.drupal.org/node/588438).
$form_output = ($type == 'radios') ? '' : \Drupal::service('renderer')->renderRoot($form);
if ($required) {
// Make sure we have a form error for this element.
$this->assertTrue(isset($errors[$element]), "Check empty($key) '$type' field '$element'");
if (!empty($form_output)) {
// Make sure the form element is marked as required.
$this->assertTrue(preg_match($required_marker_preg, $form_output), "Required '$type' field is marked as required");
}
}
else {
if (!empty($form_output)) {
// Make sure the form element is *not* marked as required.
$this->assertFalse(preg_match($required_marker_preg, $form_output), "Optional '$type' field is not marked as required");
}
if ($type == 'select') {
// Select elements are going to have validation errors with empty
// input, since those are illegal choices. Just make sure the
// error is not "field is required".
$this->assertTrue((empty($errors[$element]) || strpos('field is required', (string) $errors[$element]) === FALSE), "Optional '$type' field '$element' is not treated as a required element");
}
else {
// Make sure there is *no* form error for this element.
$this->assertTrue(empty($errors[$element]), "Optional '$type' field '$element' has no errors with empty input");
}
}
}
}
}
// Clear the expected form error messages so they don't appear as exceptions.
drupal_get_messages();
}
/**
* Tests validation for required checkbox, select, and radio elements.
*
* Submits a test form containing several types of form elements. The form
* is submitted twice, first without values for required fields and then
* with values. Each submission is checked for relevant error messages.
*
* @see \Drupal\form_test\Form\FormTestValidateRequiredForm
*/
public function testRequiredCheckboxesRadio() {
$form = \Drupal::formBuilder()->getForm('\Drupal\form_test\Form\FormTestValidateRequiredForm');
// Attempt to submit the form with no required fields set.
$edit = [];
$this->drupalPostForm('form-test/validate-required', $edit, 'Submit');
// The only error messages that should appear are the relevant 'required'
// messages for each field.
$expected = [];
foreach (['textfield', 'checkboxes', 'select', 'radios'] as $key) {
if (isset($form[$key]['#required_error'])) {
$expected[] = $form[$key]['#required_error'];
}
elseif (isset($form[$key]['#form_test_required_error'])) {
$expected[] = $form[$key]['#form_test_required_error'];
}
else {
$expected[] = t('@name field is required.', ['@name' => $form[$key]['#title']]);
}
}
// Check the page for error messages.
$errors = $this->xpath('//div[contains(@class, "error")]//li');
foreach ($errors as $error) {
$expected_key = array_search($error[0], $expected);
// If the error message is not one of the expected messages, fail.
if ($expected_key === FALSE) {
$this->fail(format_string("Unexpected error message: @error", ['@error' => $error[0]]));
}
// Remove the expected message from the list once it is found.
else {
unset($expected[$expected_key]);
}
}
// Fail if any expected messages were not found.
foreach ($expected as $not_found) {
$this->fail(format_string("Found error message: @error", ['@error' => $not_found]));
}
// Verify that input elements are still empty.
$this->assertFieldByName('textfield', '');
$this->assertNoFieldChecked('edit-checkboxes-foo');
$this->assertNoFieldChecked('edit-checkboxes-bar');
$this->assertOptionSelected('edit-select', '');
$this->assertNoFieldChecked('edit-radios-foo');
$this->assertNoFieldChecked('edit-radios-bar');
$this->assertNoFieldChecked('edit-radios-optional-foo');
$this->assertNoFieldChecked('edit-radios-optional-bar');
$this->assertNoFieldChecked('edit-radios-optional-default-value-false-foo');
$this->assertNoFieldChecked('edit-radios-optional-default-value-false-bar');
// Submit again with required fields set and verify that there are no
// error messages.
$edit = [
'textfield' => $this->randomString(),
'checkboxes[foo]' => TRUE,
'select' => 'foo',
'radios' => 'bar',
];
$this->drupalPostForm(NULL, $edit, 'Submit');
$this->assertNoFieldByXpath('//div[contains(@class, "error")]', FALSE, 'No error message is displayed when all required fields are filled.');
$this->assertRaw("The form_test_validate_required_form form was submitted successfully.", 'Validation form submitted successfully.');
}
/**
* Tests that input is retained for safe elements even with an invalid token.
*
* Submits a test form containing several types of form elements.
*/
public function testInputWithInvalidToken() {
// We need to be logged in to have CSRF tokens.
$account = $this->createUser();
$this->drupalLogin($account);
// Submit again with required fields set but an invalid form token and
// verify that all the values are retained.
$edit = [
'textfield' => $this->randomString(),
'checkboxes[bar]' => TRUE,
'select' => 'bar',
'radios' => 'foo',
'form_token' => 'invalid token',
];
$this->drupalPostForm(Url::fromRoute('form_test.validate_required'), $edit, 'Submit');
$this->assertFieldByXpath('//div[contains(@class, "error")]', NULL, 'Error message is displayed with invalid token even when required fields are filled.');
$this->assertText('The form has become outdated. Copy any unsaved work in the form below');
// Verify that input elements retained the posted values.
$this->assertFieldByName('textfield', $edit['textfield']);
$this->assertNoFieldChecked('edit-checkboxes-foo');
$this->assertFieldChecked('edit-checkboxes-bar');
$this->assertOptionSelected('edit-select', 'bar');
$this->assertFieldChecked('edit-radios-foo');
// Check another form that has a textarea input.
$edit = [
'textfield' => $this->randomString(),
'textarea' => $this->randomString() . "\n",
'form_token' => 'invalid token',
];
$this->drupalPostForm(Url::fromRoute('form_test.required'), $edit, 'Submit');
$this->assertFieldByXpath('//div[contains(@class, "error")]', NULL, 'Error message is displayed with invalid token even when required fields are filled.');
$this->assertText('The form has become outdated. Copy any unsaved work in the form below');
$this->assertFieldByName('textfield', $edit['textfield']);
$this->assertFieldByName('textarea', $edit['textarea']);
// Check another form that has a number input.
$edit = [
'integer_step' => mt_rand(1, 100),
'form_token' => 'invalid token',
];
$this->drupalPostForm(Url::fromRoute('form_test.number'), $edit, 'Submit');
$this->assertFieldByXpath('//div[contains(@class, "error")]', NULL, 'Error message is displayed with invalid token even when required fields are filled.');
$this->assertText('The form has become outdated. Copy any unsaved work in the form below');
$this->assertFieldByName('integer_step', $edit['integer_step']);
// Check a form with a Url field
$edit = [
'url' => $this->randomString(),
'form_token' => 'invalid token',
];
$this->drupalPostForm(Url::fromRoute('form_test.url'), $edit, 'Submit');
$this->assertFieldByXpath('//div[contains(@class, "error")]', NULL, 'Error message is displayed with invalid token even when required fields are filled.');
$this->assertText('The form has become outdated. Copy any unsaved work in the form below');
$this->assertFieldByName('url', $edit['url']);
}
/**
* CSRF tokens for GET forms should not be added by default.
*/
public function testGetFormsCsrfToken() {
// We need to be logged in to have CSRF tokens.
$account = $this->createUser();
$this->drupalLogin($account);
$this->drupalGet(Url::fromRoute('form_test.get_form'));
$this->assertNoRaw('form_token');
}
/**
* Tests validation for required textfield element without title.
*
* Submits a test form containing a textfield form element without title.
* The form is submitted twice, first without value for the required field
* and then with value. Each submission is checked for relevant error
* messages.
*
* @see \Drupal\form_test\Form\FormTestValidateRequiredNoTitleForm
*/
public function testRequiredTextfieldNoTitle() {
// Attempt to submit the form with no required field set.
$edit = [];
$this->drupalPostForm('form-test/validate-required-no-title', $edit, 'Submit');
$this->assertNoRaw("The form_test_validate_required_form_no_title form was submitted successfully.", 'Validation form submitted successfully.');
// Check the page for the error class on the textfield.
$this->assertFieldByXPath('//input[contains(@class, "error")]', FALSE, 'Error input form element class found.');
// Check the page for the aria-invalid attribute on the textfield.
$this->assertFieldByXPath('//input[contains(@aria-invalid, "true")]', FALSE, 'Aria invalid attribute found.');
// Submit again with required fields set and verify that there are no
// error messages.
$edit = [
'textfield' => $this->randomString(),
];
$this->drupalPostForm(NULL, $edit, 'Submit');
$this->assertNoFieldByXpath('//input[contains(@class, "error")]', FALSE, 'No error input form element class found.');
$this->assertRaw("The form_test_validate_required_form_no_title form was submitted successfully.", 'Validation form submitted successfully.');
}
/**
* Test default value handling for checkboxes.
*
* @see _form_test_checkbox()
*/
public function testCheckboxProcessing() {
// First, try to submit without the required checkbox.
$edit = [];
$this->drupalPostForm('form-test/checkbox', $edit, t('Submit'));
$this->assertRaw(t('@name field is required.', ['@name' => 'required_checkbox']), 'A required checkbox is actually mandatory');
// Now try to submit the form correctly.
$values = Json::decode($this->drupalPostForm(NULL, ['required_checkbox' => 1], t('Submit')));
$expected_values = [
'disabled_checkbox_on' => 'disabled_checkbox_on',
'disabled_checkbox_off' => '',
'checkbox_on' => 'checkbox_on',
'checkbox_off' => '',
'zero_checkbox_on' => '0',
'zero_checkbox_off' => '',
];
foreach ($expected_values as $widget => $expected_value) {
$this->assertEqual($values[$widget], $expected_value, format_string('Checkbox %widget returns expected value (expected: %expected, got: %value)', [
'%widget' => var_export($widget, TRUE),
'%expected' => var_export($expected_value, TRUE),
'%value' => var_export($values[$widget], TRUE),
]));
}
}
/**
* Tests validation of #type 'select' elements.
*/
public function testSelect() {
$form = \Drupal::formBuilder()->getForm('Drupal\form_test\Form\FormTestSelectForm');
$this->drupalGet('form-test/select');
// Verify that the options are escaped as expected.
$this->assertEscaped('<strong>four</strong>');
$this->assertNoRaw('<strong>four</strong>');
// Posting without any values should throw validation errors.
$this->drupalPostForm(NULL, [], 'Submit');
$no_errors = [
'select',
'select_required',
'select_optional',
'empty_value',
'empty_value_one',
'no_default_optional',
'no_default_empty_option_optional',
'no_default_empty_value_optional',
'multiple',
'multiple_no_default',
];
foreach ($no_errors as $key) {
$this->assertNoText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
}
$expected_errors = [
'no_default',
'no_default_empty_option',
'no_default_empty_value',
'no_default_empty_value_one',
'multiple_no_default_required',
];
foreach ($expected_errors as $key) {
$this->assertText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
}
// Post values for required fields.
$edit = [
'no_default' => 'three',
'no_default_empty_option' => 'three',
'no_default_empty_value' => 'three',
'no_default_empty_value_one' => 'three',
'multiple_no_default_required[]' => 'three',
];
$this->drupalPostForm(NULL, $edit, 'Submit');
$values = Json::decode($this->getRawContent());
// Verify expected values.
$expected = [
'select' => 'one',
'empty_value' => 'one',
'empty_value_one' => 'one',
'no_default' => 'three',
'no_default_optional' => 'one',
'no_default_optional_empty_value' => '',
'no_default_empty_option' => 'three',
'no_default_empty_option_optional' => '',
'no_default_empty_value' => 'three',
'no_default_empty_value_one' => 'three',
'no_default_empty_value_optional' => 0,
'multiple' => ['two' => 'two'],
'multiple_no_default' => [],
'multiple_no_default_required' => ['three' => 'three'],
];
foreach ($expected as $key => $value) {
$this->assertIdentical($values[$key], $value, format_string('@name: @actual is equal to @expected.', [
'@name' => $key,
'@actual' => var_export($values[$key], TRUE),
'@expected' => var_export($value, TRUE),
]));
}
}
/**
* Tests a select element when #options is not set.
*/
public function testEmptySelect() {
$this->drupalGet('form-test/empty-select');
$this->assertFieldByXPath("//select[1]", NULL, 'Select element found.');
$this->assertNoFieldByXPath("//select[1]/option", NULL, 'No option element found.');
}
/**
* Tests validation of #type 'number' and 'range' elements.
*/
public function testNumber() {
$form = \Drupal::formBuilder()->getForm('\Drupal\form_test\Form\FormTestNumberForm');
// Array with all the error messages to be checked.
$error_messages = [
'no_number' => '%name must be a number.',
'too_low' => '%name must be higher than or equal to %min.',
'too_high' => '%name must be lower than or equal to %max.',
'step_mismatch' => '%name is not a valid number.',
];
// The expected errors.
$expected = [
'integer_no_number' => 'no_number',
'integer_no_step' => 0,
'integer_no_step_step_error' => 'step_mismatch',
'integer_step' => 0,
'integer_step_error' => 'step_mismatch',
'integer_step_min' => 0,
'integer_step_min_error' => 'too_low',
'integer_step_max' => 0,
'integer_step_max_error' => 'too_high',
'integer_step_min_border' => 0,
'integer_step_max_border' => 0,
'integer_step_based_on_min' => 0,
'integer_step_based_on_min_error' => 'step_mismatch',
'float_small_step' => 0,
'float_step_no_error' => 0,
'float_step_error' => 'step_mismatch',
'float_step_hard_no_error' => 0,
'float_step_hard_error' => 'step_mismatch',
'float_step_any_no_error' => 0,
];
// First test the number element type, then range.
foreach (['form-test/number', 'form-test/number/range'] as $path) {
// Post form and show errors.
$this->drupalPostForm($path, [], 'Submit');
foreach ($expected as $element => $error) {
// Create placeholder array.
$placeholders = [
'%name' => $form[$element]['#title'],
'%min' => isset($form[$element]['#min']) ? $form[$element]['#min'] : '0',
'%max' => isset($form[$element]['#max']) ? $form[$element]['#max'] : '0',
];
foreach ($error_messages as $id => $message) {
// Check if the error exists on the page, if the current message ID is
// expected. Otherwise ensure that the error message is not present.
if ($id === $error) {
$this->assertRaw(format_string($message, $placeholders));
}
else {
$this->assertNoRaw(format_string($message, $placeholders));
}
}
}
}
}
/**
* Tests default value handling of #type 'range' elements.
*/
public function testRange() {
$values = json_decode($this->drupalPostForm('form-test/range', [], 'Submit'));
$this->assertEqual($values->with_default_value, 18);
$this->assertEqual($values->float, 10.5);
$this->assertEqual($values->integer, 6);
$this->assertEqual($values->offset, 6.9);
$this->drupalPostForm('form-test/range/invalid', [], 'Submit');
$this->assertFieldByXPath('//input[@type="range" and contains(@class, "error")]', NULL, 'Range element has the error class.');
}
/**
* Tests validation of #type 'color' elements.
*/
public function testColorValidation() {
// Keys are inputs, values are expected results.
$values = [
'' => '#000000',
'#000' => '#000000',
'AAA' => '#aaaaaa',
'#af0DEE' => '#af0dee',
'#99ccBc' => '#99ccbc',
'#aabbcc' => '#aabbcc',
'123456' => '#123456',
];
// Tests that valid values are properly normalized.
foreach ($values as $input => $expected) {
$edit = [
'color' => $input,
];
$result = json_decode($this->drupalPostForm('form-test/color', $edit, 'Submit'));
$this->assertEqual($result->color, $expected);
}
// Tests invalid values are rejected.
$values = ['#0008', '#1234', '#fffffg', '#abcdef22', '17', '#uaa'];
foreach ($values as $input) {
$edit = [
'color' => $input,
];
$this->drupalPostForm('form-test/color', $edit, 'Submit');
$this->assertRaw(t('%name must be a valid color.', ['%name' => 'Color']));
}
}
/**
* Test handling of disabled elements.
*
* @see _form_test_disabled_elements()
*/
public function testDisabledElements() {
// Get the raw form in its original state.
$form_state = new FormState();
$form = (new FormTestDisabledElementsForm())->buildForm([], $form_state);
// Build a submission that tries to hijack the form by submitting input for
// elements that are disabled.
$edit = [];
foreach (Element::children($form) as $key) {
if (isset($form[$key]['#test_hijack_value'])) {
if (is_array($form[$key]['#test_hijack_value'])) {
foreach ($form[$key]['#test_hijack_value'] as $subkey => $value) {
$edit[$key . '[' . $subkey . ']'] = $value;
}
}
else {
$edit[$key] = $form[$key]['#test_hijack_value'];
}
}
}
// Submit the form with no input, as the browser does for disabled elements,
// and fetch the $form_state->getValues() that is passed to the submit handler.
$this->drupalPostForm('form-test/disabled-elements', [], t('Submit'));
$returned_values['normal'] = Json::decode($this->content);
// Do the same with input, as could happen if JavaScript un-disables an
// element. drupalPostForm() emulates a browser by not submitting input for
// disabled elements, so we need to un-disable those elements first.
$this->drupalGet('form-test/disabled-elements');
$disabled_elements = [];
foreach ($this->xpath('//*[@disabled]') as $element) {
$disabled_elements[] = (string) $element['name'];
unset($element['disabled']);
}
// All the elements should be marked as disabled, including the ones below
// the disabled container.
$actual_count = count($disabled_elements);
$expected_count = 42;
$this->assertEqual($actual_count, $expected_count, SafeMarkup::format('Found @actual elements with disabled property (expected @expected).', [
'@actual' => count($disabled_elements),
'@expected' => $expected_count,
]));
$this->drupalPostForm(NULL, $edit, t('Submit'));
$returned_values['hijacked'] = Json::decode($this->content);
// Ensure that the returned values match the form's default values in both
// cases.
foreach ($returned_values as $values) {
$this->assertFormValuesDefault($values, $form);
}
}
/**
* Assert that the values submitted to a form matches the default values of the elements.
*/
public function assertFormValuesDefault($values, $form) {
foreach (Element::children($form) as $key) {
if (isset($form[$key]['#default_value'])) {
if (isset($form[$key]['#expected_value'])) {
$expected_value = $form[$key]['#expected_value'];
}
else {
$expected_value = $form[$key]['#default_value'];
}
if ($key == 'checkboxes_multiple') {
// Checkboxes values are not filtered out.
$values[$key] = array_filter($values[$key]);
}
$this->assertIdentical($expected_value, $values[$key], format_string('Default value for %type: expected %expected, returned %returned.', ['%type' => $key, '%expected' => var_export($expected_value, TRUE), '%returned' => var_export($values[$key], TRUE)]));
}
// Recurse children.
$this->assertFormValuesDefault($values, $form[$key]);
}
}
/**
* Verify markup for disabled form elements.
*
* @see _form_test_disabled_elements()
*/
public function testDisabledMarkup() {
$this->drupalGet('form-test/disabled-elements');
$form = \Drupal::formBuilder()->getForm('\Drupal\form_test\Form\FormTestDisabledElementsForm');
$type_map = [
'textarea' => 'textarea',
'select' => 'select',
'weight' => 'select',
'datetime' => 'datetime',
];
foreach ($form as $name => $item) {
// Skip special #types.
if (!isset($item['#type']) || in_array($item['#type'], ['hidden', 'text_format'])) {
continue;
}
// Setup XPath and CSS class depending on #type.
if (in_array($item['#type'], ['button', 'submit'])) {
$path = "//!type[contains(@class, :div-class) and @value=:value]";
$class = 'is-disabled';
}
elseif (in_array($item['#type'], ['image_button'])) {
$path = "//!type[contains(@class, :div-class) and @value=:value]";
$class = 'is-disabled';
}
else {
// starts-with() required for checkboxes.
$path = "//div[contains(@class, :div-class)]/descendant::!type[starts-with(@name, :name)]";
$class = 'form-disabled';
}
// Replace DOM element name in $path according to #type.
$type = 'input';
if (isset($type_map[$item['#type']])) {
$type = $type_map[$item['#type']];
}
$path = strtr($path, ['!type' => $type]);
// Verify that the element exists.
$element = $this->xpath($path, [
':name' => Html::escape($name),
':div-class' => $class,
':value' => isset($item['#value']) ? $item['#value'] : '',
]);
$this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', ['%type' => $item['#type']]));
}
// Verify special element #type text-format.
$element = $this->xpath('//div[contains(@class, :div-class)]/descendant::textarea[@name=:name]', [
':name' => 'text_format[value]',
':div-class' => 'form-disabled',
]);
$this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', ['%type' => 'text_format[value]']));
$element = $this->xpath('//div[contains(@class, :div-class)]/descendant::select[@name=:name]', [
':name' => 'text_format[format]',
':div-class' => 'form-disabled',
]);
$this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', ['%type' => 'text_format[format]']));
}
/**
* Test Form API protections against input forgery.
*
* @see _form_test_input_forgery()
*/
public function testInputForgery() {
$this->drupalGet('form-test/input-forgery');
$checkbox = $this->xpath('//input[@name="checkboxes[two]"]');
$checkbox[0]['value'] = 'FORGERY';
$this->drupalPostForm(NULL, ['checkboxes[one]' => TRUE, 'checkboxes[two]' => TRUE], t('Submit'));
$this->assertText('An illegal choice has been detected.', 'Input forgery was detected.');
}
/**
* Tests required attribute.
*/
public function testRequiredAttribute() {
$this->drupalGet('form-test/required-attribute');
$expected = 'required';
// Test to make sure the elements have the proper required attribute.
foreach (['textfield', 'password'] as $type) {
$element = $this->xpath('//input[@id=:id and @required=:expected]', [
':id' => 'edit-' . $type,
':expected' => $expected,
]);
$this->assertTrue(!empty($element), format_string('The @type has the proper required attribute.', ['@type' => $type]));
}
// Test to make sure textarea has the proper required attribute.
$element = $this->xpath('//textarea[@id=:id and @required=:expected]', [
':id' => 'edit-textarea',
':expected' => $expected,
]);
$this->assertTrue(!empty($element), 'The textarea has the proper required attribute.');
}
}