getAutocompleteInput example

/** * {@inheritdoc} */
  public function validateForm(array &$form, FormStateInterface $form_state) {}

  /** * Tests valid entries in the EntityAutocomplete Form API element. */
  public function testValidEntityAutocompleteElement() {
    $form_state = (new FormState())
      ->setValues([
        'single' => $this->getAutocompleteInput($this->referencedEntities[0]),
        'single_autocreate' => 'single - autocreated entity label',
        'single_autocreate_specific_uid' => 'single - autocreated entity label with specific uid',
        'tags' => $this->getAutocompleteInput($this->referencedEntities[0]) . ', ' . $this->getAutocompleteInput($this->referencedEntities[1]),
        'tags_autocreate' => $this->getAutocompleteInput($this->referencedEntities[0]) . ', tags - autocreated entity label, ' . $this->getAutocompleteInput($this->referencedEntities[1]),
        'tags_autocreate_specific_uid' => $this->getAutocompleteInput($this->referencedEntities[0]) . ', tags - autocreated entity label with specific uid, ' . $this->getAutocompleteInput($this->referencedEntities[1]),
        'single_string_id' => $this->getAutocompleteInput($this->referencedEntities[2]),
        'tags_string_id' => $this->getAutocompleteInput($this->referencedEntities[2]) . ', ' . $this->getAutocompleteInput($this->referencedEntities[3]),
      ]);
    $form_builder = $this->container->get('form_builder');
    $form_builder->submitForm($this, $form_state);