function FormTest::testFieldFormHiddenWidget

Tests the Hidden widget.

File

drupal/core/modules/field/lib/Drupal/field/Tests/FormTest.php, line 617

Definition of Drupal\field\Tests\FormTest.

Class

FormTest

Namespace

Code

function testFieldFormHiddenWidget() {
  $this->field = $this->field_single;
  $this->field_name = $this->field['field_name'];
  $this->instance['field_name'] = $this->field_name;
  $this->instance['default_value'] = array(
    0 => array(
      'value' => 99,
    ),
  );
  field_create_field($this->field);
  field_create_instance($this->instance);
  entity_get_form_display($this->instance['entity_type'], $this->instance['bundle'], 'default')
    ->setComponent($this->instance['field_name'], array(
    'type' => 'hidden',
  ))
    ->save();
  $langcode = Language::LANGCODE_NOT_SPECIFIED;

  // Display the entity creation form.
  $this
    ->drupalGet('test-entity/add/test_bundle');

  // Create an entity and test that the default value is assigned correctly to
  // the field that uses the hidden widget.
  $this
    ->assertNoField("{$this->field_name}[{$langcode}][0][value]", 'The hidden widget is not displayed');
  $this
    ->drupalPost(NULL, array(), t('Save'));
  preg_match('|test-entity/manage/(\\d+)/edit|', $this->url, $match);
  $id = $match[1];
  $this
    ->assertRaw(t('test_entity @id has been created.', array(
    '@id' => $id,
  )), 'Entity was created');
  $entity = field_test_entity_test_load($id);
  $this
    ->assertEqual($entity->{$this->field_name}[$langcode][0]['value'], 99, 'Default value was saved');

  // Update the instance to remove the default value and switch to the
  // default widget.
  $this->instance['default_value'] = NULL;
  field_update_instance($this->instance);
  entity_get_form_display($this->instance['entity_type'], $this->instance['bundle'], 'default')
    ->setComponent($this->instance['field_name'], array(
    'type' => 'test_field_widget',
  ))
    ->save();

  // Display edit form.
  $this
    ->drupalGet('test-entity/manage/' . $id . '/edit');
  $this
    ->assertFieldByName("{$this->field_name}[{$langcode}][0][value]", 99, 'Widget is displayed with the correct default value');

  // Update the entity.
  $value = mt_rand(1, 127);
  $edit = array(
    "{$this->field_name}[{$langcode}][0][value]" => $value,
  );
  $this
    ->drupalPost(NULL, $edit, t('Save'));
  $this
    ->assertRaw(t('test_entity @id has been updated.', array(
    '@id' => $id,
  )), 'Entity was updated');
  entity_get_controller('test_entity')
    ->resetCache(array(
    $id,
  ));
  $entity = field_test_entity_test_load($id);
  $this
    ->assertEqual($entity->{$this->field_name}[$langcode][0]['value'], $value, 'Field value was updated');

  // Update the form display and switch to the Hidden widget again.
  entity_get_form_display($this->instance['entity_type'], $this->instance['bundle'], 'default')
    ->setComponent($this->instance['field_name'], array(
    'type' => 'hidden',
  ))
    ->save();

  // Create a new revision.
  $edit = array(
    'revision' => TRUE,
  );
  $this
    ->drupalPost('test-entity/manage/' . $id . '/edit', $edit, t('Save'));

  // Check that the expected value has been carried over to the new revision.
  entity_get_controller('test_entity')
    ->resetCache(array(
    $id,
  ));
  $entity = field_test_entity_test_load($id);
  $this
    ->assertEqual($entity->{$this->field_name}[$langcode][0]['value'], $value, 'New revision has the expected value for the field with the Hidden widget');
}