public function FormTest::testFieldFormUnlimited in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/field/tests/src/Functional/FormTest.php \Drupal\Tests\field\Functional\FormTest::testFieldFormUnlimited()
2. 10 core/modules/field/tests/src/Functional/FormTest.php \Drupal\Tests\field\Functional\FormTest::testFieldFormUnlimited()

File

core/modules/field/tests/src/Functional/FormTest.php, line 254

Class

FormTest

Tests field form handling.

Namespace

Drupal\Tests\field\Functional

Code

public function testFieldFormUnlimited() {
  $field_storage = $this->fieldStorageUnlimited;
  $field_name = $field_storage['field_name'];
  $this->field['field_name'] = $field_name;
  FieldStorageConfig::create($field_storage)
    ->save();
  FieldConfig::create($this->field)
    ->save();
  \Drupal::service('entity_display.repository')
    ->getFormDisplay($this->field['entity_type'], $this->field['bundle'])
    ->setComponent($field_name)
    ->save();

  // Display creation form -> 1 widget.
  $this
    ->drupalGet('entity_test/add');
  $this
    ->assertFieldByName("{$field_name}[0][value]", '', 'Widget 1 is displayed');
  $this
    ->assertNoField("{$field_name}[1][value]", 'No extraneous widget is displayed');

  // Check if aria-describedby attribute is placed on multiple value widgets.
  $elements = $this
    ->xpath('//table[@id="field-unlimited-values" and @aria-describedby="edit-field-unlimited--description"]');
  $this
    ->assertTrue(isset($elements[0]), t('aria-describedby attribute is properly placed on multiple value widgets.'));

  // Press 'add more' button -> 2 widgets.
  $this
    ->drupalPostForm(NULL, [], t('Add another item'));
  $this
    ->assertFieldByName("{$field_name}[0][value]", '', 'Widget 1 is displayed');
  $this
    ->assertFieldByName("{$field_name}[1][value]", '', 'New widget is displayed');
  $this
    ->assertNoField("{$field_name}[2][value]", 'No extraneous widget is displayed');

  // TODO : check that non-field inputs are preserved ('title'), etc.
  // Yet another time so that we can play with more values -> 3 widgets.
  $this
    ->drupalPostForm(NULL, [], t('Add another item'));

  // Prepare values and weights.
  $count = 3;
  $delta_range = $count - 1;
  $values = $weights = $pattern = $expected_values = [];
  $edit = [];
  for ($delta = 0; $delta <= $delta_range; $delta++) {

    // Assign unique random values and weights.
    do {
      $value = mt_rand(1, 127);
    } while (in_array($value, $values));
    do {
      $weight = mt_rand(-$delta_range, $delta_range);
    } while (in_array($weight, $weights));
    $edit["{$field_name}[{$delta}][value]"] = $value;
    $edit["{$field_name}[{$delta}][_weight]"] = $weight;

    // We'll need three slightly different formats to check the values.
    $values[$delta] = $value;
    $weights[$delta] = $weight;
    $field_values[$weight]['value'] = (string) $value;
    $pattern[$weight] = "<input [^>]*value=\"{$value}\" [^>]*";
  }

  // Press 'add more' button -> 4 widgets
  $this
    ->drupalPostForm(NULL, $edit, t('Add another item'));
  for ($delta = 0; $delta <= $delta_range; $delta++) {
    $this
      ->assertFieldByName("{$field_name}[{$delta}][value]", $values[$delta], "Widget {$delta} is displayed and has the right value");
    $this
      ->assertFieldByName("{$field_name}[{$delta}][_weight]", $weights[$delta], "Widget {$delta} has the right weight");
  }
  ksort($pattern);
  $pattern = implode('.*', array_values($pattern));

  // Verify that the widgets are displayed in the correct order.
  $this
    ->assertPattern("|{$pattern}|s");
  $this
    ->assertFieldByName("{$field_name}[{$delta}][value]", '', "New widget is displayed");
  $this
    ->assertFieldByName("{$field_name}[{$delta}][_weight]", $delta, "New widget has the right weight");
  $this
    ->assertNoField("{$field_name}[" . ($delta + 1) . '][value]', 'No extraneous widget is displayed');

  // Submit the form and create the entity.
  $this
    ->drupalPostForm(NULL, $edit, t('Save'));
  preg_match('|entity_test/manage/(\\d+)|', $this
    ->getUrl(), $match);
  $id = $match[1];
  $this
    ->assertText(t('entity_test @id has been created.', [
    '@id' => $id,
  ]), 'Entity was created');
  $entity = EntityTest::load($id);
  ksort($field_values);
  $field_values = array_values($field_values);
  $this
    ->assertIdentical($entity->{$field_name}
    ->getValue(), $field_values, 'Field values were saved in the correct order');

  // Display edit form: check that the expected number of widgets is
  // displayed, with correct values change values, reorder, leave an empty
  // value in the middle.
  // Submit: check that the entity is updated with correct values
  // Re-submit: check that the field can be emptied.
  // Test with several multiple fields in a form
}