function ListFieldTestCase::testUpdateAllowedValues

Test that allowed values can be updated.

File

modules/field/modules/list/tests/list.test, line 52

Class

ListFieldTestCase

Tests for the 'List' field types.

Code

function testUpdateAllowedValues() {
    $langcode = LANGUAGE_NONE;
    // All three options appear.
    $entity = field_test_create_stub_entity();
    $form = drupal_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_stub_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_stub_entity();
    $form = drupal_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 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 = drupal_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($this->field_name);
    unset($this->field['id']);
    $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_stub_entity();
    $form = drupal_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');
}