function MultiFormTest::testMultiForm

Tests that pages with the 'node_page_form' included twice work correctly.

File

core/tests/Drupal/FunctionalJavascriptTests/Ajax/MultiFormTest.php, line 61

Class

MultiFormTest

Tests that AJAX-enabled forms work when multiple instances of the same form are on a page.

Namespace

Code

public function testMultiForm() {
    // HTML IDs for elements within the field are potentially modified with
    // each Ajax submission, but these variables are stable and help target the
    // desired elements.
    $field_name = 'field_ajax_test';
    $form_xpath = '//form[starts-with(@id, "node-page-form")]';
    $field_xpath = '//div[contains(@class, "field--name-field-ajax-test")]';
    $button_name = $field_name . '_add_more';
    $button_value = t('Add another item');
    $button_xpath_suffix = '//input[@name="' . $button_name . '"]';
    $field_items_xpath_suffix = '//input[@type="text"]';
    // Ensure the initial page contains both node forms and the correct number
    // of field items and "add more" button for the multi-valued field within
    // each form.
    $this->drupalGet('form-test/two-instances-of-same-form');
    // Wait for javascript on the page to prepare the form attributes.
    $this->assertSession()
        ->assertWaitOnAjaxRequest();
    $session = $this->getSession();
    $page = $session->getPage();
    $fields = $page->findAll('xpath', $form_xpath . $field_xpath);
    $this->assertCount(2, $fields);
    foreach ($fields as $field) {
        $this->assertCount(1, $field->findAll('xpath', '.' . $field_items_xpath_suffix), 'Found the correct number of field items on the initial page.');
        $this->assertFieldsByValue($field->find('xpath', '.' . $button_xpath_suffix), NULL, 'Found the "add more" button on the initial page.');
    }
    $this->assertNoDuplicateIds();
    // Submit the "add more" button of each form twice. After each corresponding
    // page update, ensure the same as above.
    for ($i = 0; $i < 2; $i++) {
        $forms = $page->find('xpath', $form_xpath);
        foreach ($forms as $offset => $form) {
            $button = $form->findButton($button_value);
            $this->assertNotNull($button, 'Add Another Item button exists');
            $button->press();
            // Wait for page update.
            $this->assertSession()
                ->assertWaitOnAjaxRequest();
            // After AJAX request and response page will update.
            $page_updated = $session->getPage();
            $field = $page_updated->findAll('xpath', '.' . $field_xpath);
            $this->assertCount($i + 2, $field[0]->find('xpath', '.' . $field_items_xpath_suffix), 'Found the correct number of field items after an AJAX submission.');
            $this->assertFieldsByValue($field[0]->find('xpath', '.' . $button_xpath_suffix), NULL, 'Found the "add more" button after an AJAX submission.');
            $this->assertNoDuplicateIds();
        }
    }
}