function FormTest::testFieldFormUnlimited

File

core/modules/field/tests/src/Functional/FormTest.php, line 253

Class

FormTest

Tests field form handling.

Namespace

Code

public function testFieldFormUnlimited() : void {
  $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();
  // Verify that only one "Default value" field
  // exists on the Manage field display.
  $this->drupalGet("entity_test/structure/entity_test/fields/entity_test.entity_test.{$field_name}");
  $this->assertSession()
    ->elementsCount('xpath', "//table[@id='field-unlimited-values']/tbody/tr//input[contains(@class, 'form-text')]", 1);
  // Display creation form -> 1 widget.
  $this->drupalGet('entity_test/add');
  $this->assertSession()
    ->fieldValueEquals("{$field_name}[0][value]", '');
  // Verify that no extraneous widget is displayed.
  $this->assertSession()
    ->fieldNotExists("{$field_name}[1][value]");
  // Check if aria-describedby attribute is placed on multiple value widgets.
  $this->assertSession()
    ->elementAttributeContains('xpath', '//table[@id="field-unlimited-values"]', 'aria-describedby', 'edit-field-unlimited--description');
  // Press 'add more' button -> 2 widgets.
  $this->submitForm([], 'Add another item');
  $this->assertSession()
    ->fieldValueEquals("{$field_name}[0][value]", '');
  $this->assertSession()
    ->fieldValueEquals("{$field_name}[1][value]", '');
  // Verify that no extraneous widget is displayed.
  $this->assertSession()
    ->fieldNotExists("{$field_name}[2][value]");
  // @todo check that non-field inputs are preserved ('title'), etc.
  // Yet another time so that we can play with more values -> 3 widgets.
  $this->submitForm([], '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
  $this->submitForm($edit, 'Add another item');
  for ($delta = 0; $delta <= $delta_range; $delta++) {
    $this->assertSession()
      ->fieldValueEquals("{$field_name}[{$delta}][value]", $values[$delta]);
    $this->assertSession()
      ->fieldValueEquals("{$field_name}[{$delta}][_weight]", $weights[$delta]);
  }
  ksort($pattern);
  $pattern = implode('.*', array_values($pattern));
  // Verify that the widgets are displayed in the correct order.
  $this->assertSession()
    ->responseMatches("|{$pattern}|s");
  $this->assertSession()
    ->fieldValueEquals("{$field_name}[{$delta}][value]", '');
  $this->assertSession()
    ->fieldValueEquals("{$field_name}[{$delta}][_weight]", $delta);
  // Verify that no extraneous widget is displayed.
  $this->assertSession()
    ->fieldNotExists("{$field_name}[" . ($delta + 1) . '][value]');
  // Submit the form and create the entity.
  $this->submitForm($edit, 'Save');
  preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
  $id = $match[1];
  $this->assertSession()
    ->pageTextContains('entity_test ' . $id . ' has been created.');
  $entity = EntityTest::load($id);
  ksort($field_values);
  $field_values = array_values($field_values);
  $this->assertSame($field_values, $entity->{$field_name}
    ->getValue(), '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
}