function ListFieldTestCase::testUpdateAllowedValues

Test that allowed values can be updated.

File

core/modules/field/modules/list/tests/list.test, line 57

Tests for list.module.

Class

ListFieldTestCase

Tests for the 'List' field types.

Code

function testUpdateAllowedValues() {
  $langcode = LANGUAGE_NONE;

  // All three options appear.
  $entity = field_test_create_entity();
  $form = backdrop_get_form('field_test_entity_form', $entity);
  $this->assertTrue(!empty($form[$this->field_name][$langcode][1]), 'Option 1 exists');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][2]), 'Option 2 exists');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][3]), 'Option 3 exists');

  // Use one of the values in an actual entity, and check that this value
  // cannot be removed from the list.
  $entity = field_test_create_entity();
  $entity->{$this->field_name}[$langcode][0] = array('value' => 1);
  field_test_entity_save($entity);
  $this->field['settings']['allowed_values'] = array(2 => 'Two');
  try {
    field_update_field($this->field);
    $this->fail(t('Cannot update a list field to not include keys with existing data.'));
  }
  catch (FieldException $e) {
    $this->pass(t('Cannot update a list field to not include keys with existing data.'));
  }
  // Empty the value, so that we can actually remove the option.
  $entity->{$this->field_name}[$langcode] = array();
  field_test_entity_save($entity);

  // Removed options do not appear.
  $this->field['settings']['allowed_values'] = array(2 => 'Two');
  field_update_field($this->field);
  $entity = field_test_create_entity();
  $form = backdrop_get_form('field_test_entity_form', $entity);
  $this->assertTrue(empty($form[$this->field_name][$langcode][1]), t('Option 1 does not exist'));
  $this->assertTrue(!empty($form[$this->field_name][$langcode][2]), 'Option 2 exists');
  $this->assertTrue(empty($form[$this->field_name][$langcode][3]), 'Option 3 does not exist');

  // Completely new options appear.
  $this->field['settings']['allowed_values'] = array(10 => 'Update', 20 => 'Twenty');
  field_update_field($this->field);
  $form = backdrop_get_form('field_test_entity_form', $entity);
  $this->assertTrue(empty($form[$this->field_name][$langcode][1]), 'Option 1 does not exist');
  $this->assertTrue(empty($form[$this->field_name][$langcode][2]), 'Option 2 does not exist');
  $this->assertTrue(empty($form[$this->field_name][$langcode][3]), 'Option 3 does not exist');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][10]), 'Option 10 exists');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][20]), 'Option 20 exists');

  // Options are reset when a new field with the same name is created.
  field_delete_field($this->field_name);

  $this->field['settings']['allowed_values'] = array(1 => 'One', 2 => 'Two', 3 => 'Three');
  $this->field = field_create_field($this->field);
  $this->instance = array(
    'field_name' => $this->field_name,
    'entity_type' => 'test_entity',
    'bundle' => 'test_bundle',
    'widget' => array(
      'type' => 'options_buttons',
    ),
  );
  $this->instance = field_create_instance($this->instance);
  $entity = field_test_create_entity();
  $form = backdrop_get_form('field_test_entity_form', $entity);
  $this->assertTrue(!empty($form[$this->field_name][$langcode][1]), 'Option 1 exists');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][2]), 'Option 2 exists');
  $this->assertTrue(!empty($form[$this->field_name][$langcode][3]), 'Option 3 exists');
}