function FormTest::testDisabledElements
Same name in other branches
- 8.9.x core/modules/system/tests/src/Functional/Form/FormTest.php \Drupal\Tests\system\Functional\Form\FormTest::testDisabledElements()
- 10 core/modules/system/tests/src/Functional/Form/FormTest.php \Drupal\Tests\system\Functional\Form\FormTest::testDisabledElements()
- 11.x core/modules/system/tests/src/Functional/Form/FormTest.php \Drupal\Tests\system\Functional\Form\FormTest::testDisabledElements()
Tests handling of disabled elements.
See also
_form_test_disabled_elements()
File
-
core/
modules/ system/ tests/ src/ Functional/ Form/ FormTest.php, line 737
Class
- FormTest
- Tests various form element validation mechanisms.
Namespace
Drupal\Tests\system\Functional\FormCode
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->drupalGet('form-test/disabled-elements');
$this->submitForm([], 'Submit');
$returned_values['normal'] = Json::decode($this->getSession()
->getPage()
->getContent());
// Do the same with input, as could happen if JavaScript un-disables an
// element. submitForm() 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->getAttribute('name');
}
// All the elements should be marked as disabled, including the ones below
// the disabled container.
$actual_count = count($disabled_elements);
$expected_count = 44;
$this->assertEquals($expected_count, $actual_count, new FormattableMarkup('Found @actual elements with disabled property (expected @expected).', [
'@actual' => count($disabled_elements),
'@expected' => $expected_count,
]));
// Mink does not "see" hidden elements, so we need to set the value of the
// hidden element directly.
$this->assertSession()
->elementExists('css', 'input[name="hidden"]')
->setValue($edit['hidden']);
unset($edit['hidden']);
$this->submitForm($edit, 'Submit');
$returned_values['hijacked'] = Json::decode($this->getSession()
->getPage()
->getContent());
// Ensure that the returned values match the form's default values in both
// cases.
foreach ($returned_values as $values) {
$this->assertFormValuesDefault($values, $form);
}
}
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