Version 1

[yaffs-website] / web / core / modules / system / src / Tests / Ajax / MultiFormTest.php

diff --git a/web/core/modules/system/src/Tests/Ajax/MultiFormTest.php b/web/core/modules/system/src/Tests/Ajax/MultiFormTest.php
new file mode 100644 (file)
index 0000000..9ca2a66
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+++ b/web/core/modules/system/src/Tests/Ajax/MultiFormTest.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace Drupal\system\Tests\Ajax;
+
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Tests that AJAX-enabled forms work when multiple instances of the same form
+ * are on a page.
+ *
+ * @group Ajax
+ */
+class MultiFormTest extends AjaxTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['form_test'];
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->drupalCreateContentType(['type' => 'page', 'name' => 'Page']);
+
+    // Create a multi-valued field for 'page' nodes to use for Ajax testing.
+    $field_name = 'field_ajax_test';
+    FieldStorageConfig::create([
+      'entity_type' => 'node',
+      'field_name' => $field_name,
+      'type' => 'text',
+      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
+    ])->save();
+    FieldConfig::create([
+      'field_name' => $field_name,
+      'entity_type' => 'node',
+      'bundle' => 'page',
+    ])->save();
+    entity_get_form_display('node', 'page', 'default')
+      ->setComponent($field_name, ['type' => 'text_textfield'])
+      ->save();
+
+    // Log in a user who can create 'page' nodes.
+    $this->drupalLogin ($this->drupalCreateUser(['create page content']));
+  }
+
+  /**
+   * Tests that pages with the 'node_page_form' included twice work correctly.
+   */
+  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');
+
+    $fields = $this->xpath($form_xpath . $field_xpath);
+    $this->assertEqual(count($fields), 2);
+    foreach ($fields as $field) {
+      $this->assertEqual(count($field->xpath('.' . $field_items_xpath_suffix)), 1, 'Found the correct number of field items on the initial page.');
+      $this->assertFieldsByValue($field->xpath('.' . $button_xpath_suffix), NULL, 'Found the "add more" button on the initial page.');
+    }
+
+    $this->assertNoDuplicateIds(t('Initial page contains unique IDs'), 'Other');
+
+    // Submit the "add more" button of each form twice. After each corresponding
+    // page update, ensure the same as above.
+
+    for ($i = 0; $i < 2; $i++) {
+      $forms = $this->xpath($form_xpath);
+      foreach ($forms as $offset => $form) {
+        $form_html_id = (string) $form['id'];
+        $this->drupalPostAjaxForm(NULL, [], [$button_name => $button_value], NULL, [], [], $form_html_id);
+        $form = $this->xpath($form_xpath)[$offset];
+        $field = $form->xpath('.' . $field_xpath);
+
+        $this->assertEqual(count($field[0]->xpath('.' . $field_items_xpath_suffix)), $i + 2, 'Found the correct number of field items after an AJAX submission.');
+        $this->assertFieldsByValue($field[0]->xpath('.' . $button_xpath_suffix), NULL, 'Found the "add more" button after an AJAX submission.');
+        $this->assertNoDuplicateIds(t('Updated page contains unique IDs'), 'Other');
+      }
+    }
+  }
+
+}