--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\Form;
+
+use Drupal\Core\Render\Element;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests form processing and alteration via form validation handlers.
+ *
+ * @group Form
+ */
+class ValidationTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['form_test'];
+
+ /**
+ * Tests #element_validate and #validate.
+ */
+ public function testValidate() {
+ $this->drupalGet('form-test/validate');
+ // Verify that #element_validate handlers can alter the form and submitted
+ // form values.
+ $edit = [
+ 'name' => 'element_validate',
+ ];
+ $this->drupalPostForm(NULL, $edit, 'Save');
+ $this->assertFieldByName('name', '#value changed by #element_validate', 'Form element #value was altered.');
+ $this->assertText('Name value: value changed by setValueForElement() in #element_validate', 'Form element value in $form_state was altered.');
+
+ // Verify that #validate handlers can alter the form and submitted
+ // form values.
+ $edit = [
+ 'name' => 'validate',
+ ];
+ $this->drupalPostForm(NULL, $edit, 'Save');
+ $this->assertFieldByName('name', '#value changed by #validate', 'Form element #value was altered.');
+ $this->assertText('Name value: value changed by setValueForElement() in #validate', 'Form element value in $form_state was altered.');
+
+ // Verify that #element_validate handlers can make form elements
+ // inaccessible, but values persist.
+ $edit = [
+ 'name' => 'element_validate_access',
+ ];
+ $this->drupalPostForm(NULL, $edit, 'Save');
+ $this->assertNoFieldByName('name', 'Form element was hidden.');
+ $this->assertText('Name value: element_validate_access', 'Value for inaccessible form element exists.');
+
+ // Verify that value for inaccessible form element persists.
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->assertNoFieldByName('name', 'Form element was hidden.');
+ $this->assertText('Name value: element_validate_access', 'Value for inaccessible form element exists.');
+
+ // Verify that #validate handlers don't run if the CSRF token is invalid.
+ $this->drupalLogin($this->drupalCreateUser());
+ $this->drupalGet('form-test/validate');
+ // $this->assertSession()->fieldExists() does not recognize hidden fields,
+ // which breaks $this->drupalPostForm() if we try to change the value of a
+ // hidden field such as form_token.
+ $this->assertSession()
+ ->elementExists('css', 'input[name="form_token"]')
+ ->setValue('invalid_token');
+ $this->drupalPostForm(NULL, ['name' => 'validate'], 'Save');
+ $this->assertNoFieldByName('name', '#value changed by #validate', 'Form element #value was not altered.');
+ $this->assertNoText('Name value: value changed by setValueForElement() in #validate', 'Form element value in $form_state was not altered.');
+ $this->assertText('The form has become outdated. Copy any unsaved work in the form below');
+ }
+
+ /**
+ * Tests that a form with a disabled CSRF token can be validated.
+ */
+ public function testDisabledToken() {
+ $this->drupalPostForm('form-test/validate-no-token', [], 'Save');
+ $this->assertText('The form_test_validate_no_token form has been submitted successfully.');
+ }
+
+ /**
+ * Tests partial form validation through #limit_validation_errors.
+ */
+ public function testValidateLimitErrors() {
+ $edit = [
+ 'test' => 'invalid',
+ 'test_numeric_index[0]' => 'invalid',
+ 'test_substring[foo]' => 'invalid',
+ ];
+ $path = 'form-test/limit-validation-errors';
+
+ // Render the form, and verify that the buttons with limited server-side
+ // validation have the proper 'formnovalidate' attribute (to prevent
+ // client-side validation by the browser).
+ $this->drupalGet($path);
+ $expected = 'formnovalidate';
+ foreach (['partial', 'partial-numeric-index', 'substring'] as $type) {
+ $element = $this->xpath('//input[@id=:id and @formnovalidate=:expected]', [
+ ':id' => 'edit-' . $type,
+ ':expected' => $expected,
+ ]);
+ $this->assertTrue(!empty($element), format_string('The @type button has the proper formnovalidate attribute.', ['@type' => $type]));
+ }
+ // The button with full server-side validation should not have the
+ // 'formnovalidate' attribute.
+ $element = $this->xpath('//input[@id=:id and not(@formnovalidate)]', [
+ ':id' => 'edit-full',
+ ]);
+ $this->assertTrue(!empty($element), 'The button with full server-side validation does not have the formnovalidate attribute.');
+
+ // Submit the form by pressing the 'Partial validate' button (uses
+ // #limit_validation_errors) and ensure that the title field is not
+ // validated, but the #element_validate handler for the 'test' field
+ // is triggered.
+ $this->drupalPostForm($path, $edit, t('Partial validate'));
+ $this->assertNoText(t('@name field is required.', ['@name' => 'Title']));
+ $this->assertText('Test element is invalid');
+
+ // Edge case of #limit_validation_errors containing numeric indexes: same
+ // thing with the 'Partial validate (numeric index)' button and the
+ // 'test_numeric_index' field.
+ $this->drupalPostForm($path, $edit, t('Partial validate (numeric index)'));
+ $this->assertNoText(t('@name field is required.', ['@name' => 'Title']));
+ $this->assertText('Test (numeric index) element is invalid');
+
+ // Ensure something like 'foobar' isn't considered "inside" 'foo'.
+ $this->drupalPostForm($path, $edit, t('Partial validate (substring)'));
+ $this->assertNoText(t('@name field is required.', ['@name' => 'Title']));
+ $this->assertText('Test (substring) foo element is invalid');
+
+ // Ensure not validated values are not available to submit handlers.
+ $this->drupalPostForm($path, ['title' => '', 'test' => 'valid'], t('Partial validate'));
+ $this->assertText('Only validated values appear in the form values.');
+
+ // Now test full form validation and ensure that the #element_validate
+ // handler is still triggered.
+ $this->drupalPostForm($path, $edit, t('Full validate'));
+ $this->assertText(t('@name field is required.', ['@name' => 'Title']));
+ $this->assertText('Test element is invalid');
+ }
+
+ /**
+ * Tests #pattern validation.
+ */
+ public function testPatternValidation() {
+ $textfield_error = t('%name field is not in the right format.', ['%name' => 'One digit followed by lowercase letters']);
+ $tel_error = t('%name field is not in the right format.', ['%name' => 'Everything except numbers']);
+ $password_error = t('%name field is not in the right format.', ['%name' => 'Password']);
+
+ // Invalid textfield, valid tel.
+ $edit = [
+ 'textfield' => 'invalid',
+ 'tel' => 'valid',
+ ];
+ $this->drupalPostForm('form-test/pattern', $edit, 'Submit');
+ $this->assertRaw($textfield_error);
+ $this->assertNoRaw($tel_error);
+ $this->assertNoRaw($password_error);
+
+ // Valid textfield, invalid tel, valid password.
+ $edit = [
+ 'textfield' => '7seven',
+ 'tel' => '818937',
+ 'password' => '0100110',
+ ];
+ $this->drupalPostForm('form-test/pattern', $edit, 'Submit');
+ $this->assertNoRaw($textfield_error);
+ $this->assertRaw($tel_error);
+ $this->assertNoRaw($password_error);
+
+ // Non required fields are not validated if empty.
+ $edit = [
+ 'textfield' => '',
+ 'tel' => '',
+ ];
+ $this->drupalPostForm('form-test/pattern', $edit, 'Submit');
+ $this->assertNoRaw($textfield_error);
+ $this->assertNoRaw($tel_error);
+ $this->assertNoRaw($password_error);
+
+ // Invalid password.
+ $edit = [
+ 'password' => $this->randomMachineName(),
+ ];
+ $this->drupalPostForm('form-test/pattern', $edit, 'Submit');
+ $this->assertNoRaw($textfield_error);
+ $this->assertNoRaw($tel_error);
+ $this->assertRaw($password_error);
+
+ // The pattern attribute overrides #pattern and is not validated on the
+ // server side.
+ $edit = [
+ 'textfield' => '',
+ 'tel' => '',
+ 'url' => 'http://www.example.com/',
+ ];
+ $this->drupalPostForm('form-test/pattern', $edit, 'Submit');
+ $this->assertNoRaw(t('%name field is not in the right format.', ['%name' => 'Client side validation']));
+ }
+
+ /**
+ * Tests #required with custom validation errors.
+ *
+ * @see \Drupal\form_test\Form\FormTestValidateRequiredForm
+ */
+ public function testCustomRequiredError() {
+ $form = \Drupal::formBuilder()->getForm('\Drupal\form_test\Form\FormTestValidateRequiredForm');
+
+ // Verify that a custom #required error can be set.
+ $edit = [];
+ $this->drupalPostForm('form-test/validate-required', $edit, 'Submit');
+
+ foreach (Element::children($form) as $key) {
+ if (isset($form[$key]['#required_error'])) {
+ $this->assertNoText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
+ $this->assertText($form[$key]['#required_error']);
+ }
+ elseif (isset($form[$key]['#form_test_required_error'])) {
+ $this->assertNoText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
+ $this->assertText($form[$key]['#form_test_required_error']);
+ }
+ }
+ $this->assertNoText(t('An illegal choice has been detected. Please contact the site administrator.'));
+
+ // Verify that no custom validation error appears with valid values.
+ $edit = [
+ 'textfield' => $this->randomString(),
+ 'checkboxes[foo]' => TRUE,
+ 'select' => 'foo',
+ ];
+ $this->drupalPostForm('form-test/validate-required', $edit, 'Submit');
+
+ foreach (Element::children($form) as $key) {
+ if (isset($form[$key]['#required_error'])) {
+ $this->assertNoText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
+ $this->assertNoText($form[$key]['#required_error']);
+ }
+ elseif (isset($form[$key]['#form_test_required_error'])) {
+ $this->assertNoText(t('@name field is required.', ['@name' => $form[$key]['#title']]));
+ $this->assertNoText($form[$key]['#form_test_required_error']);
+ }
+ }
+ $this->assertNoText(t('An illegal choice has been detected. Please contact the site administrator.'));
+ }
+
+}
projects / yaffs-website / blobdiff