function FieldInfoTestCase::testFieldInfo

Test that field types and field definitions are correcly cached.

File

drupal/modules/field/tests/field.test, line 1254

Tests for field.module.

Class

FieldInfoTestCase

Code

function testFieldInfo() {

  // Test that field_test module's fields, widgets, and formatters show up.
  $field_test_info = field_test_field_info();

  // We need to account for the existence of user_field_info_alter().
  foreach (array_keys($field_test_info) as $name) {
    $field_test_info[$name]['instance_settings']['user_register_form'] = FALSE;
  }
  $info = field_info_field_types();
  foreach ($field_test_info as $t_key => $field_type) {
    foreach ($field_type as $key => $val) {
      $this
        ->assertEqual($info[$t_key][$key], $val, format_string('Field type %t_key key %key is %value', array(
        '%t_key' => $t_key,
        '%key' => $key,
        '%value' => print_r($val, TRUE),
      )));
    }
    $this
      ->assertEqual($info[$t_key]['module'], 'field_test', "Field type field_test module appears");
  }
  $formatter_info = field_test_field_formatter_info();
  $info = field_info_formatter_types();
  foreach ($formatter_info as $f_key => $formatter) {
    foreach ($formatter as $key => $val) {
      $this
        ->assertEqual($info[$f_key][$key], $val, format_string('Formatter type %f_key key %key is %value', array(
        '%f_key' => $f_key,
        '%key' => $key,
        '%value' => print_r($val, TRUE),
      )));
    }
    $this
      ->assertEqual($info[$f_key]['module'], 'field_test', "Formatter type field_test module appears");
  }
  $widget_info = field_test_field_widget_info();
  $info = field_info_widget_types();
  foreach ($widget_info as $w_key => $widget) {
    foreach ($widget as $key => $val) {
      $this
        ->assertEqual($info[$w_key][$key], $val, format_string('Widget type %w_key key %key is %value', array(
        '%w_key' => $w_key,
        '%key' => $key,
        '%value' => print_r($val, TRUE),
      )));
    }
    $this
      ->assertEqual($info[$w_key]['module'], 'field_test', "Widget type field_test module appears");
  }
  $storage_info = field_test_field_storage_info();
  $info = field_info_storage_types();
  foreach ($storage_info as $s_key => $storage) {
    foreach ($storage as $key => $val) {
      $this
        ->assertEqual($info[$s_key][$key], $val, format_string('Storage type %s_key key %key is %value', array(
        '%s_key' => $s_key,
        '%key' => $key,
        '%value' => print_r($val, TRUE),
      )));
    }
    $this
      ->assertEqual($info[$s_key]['module'], 'field_test', "Storage type field_test module appears");
  }

  // Verify that no unexpected instances exist.
  $instances = field_info_instances('test_entity');
  $expected = array(
    'test_bundle' => array(),
  );
  $this
    ->assertIdentical($instances, $expected, format_string("field_info_instances('test_entity') returns %expected.", array(
    '%expected' => var_export($expected, TRUE),
  )));
  $instances = field_info_instances('test_entity', 'test_bundle');
  $this
    ->assertIdentical($instances, array(), "field_info_instances('test_entity', 'test_bundle') returns an empty array.");

  // Create a field, verify it shows up.
  $core_fields = field_info_fields();
  $field = array(
    'field_name' => drupal_strtolower($this
      ->randomName()),
    'type' => 'test_field',
  );
  field_create_field($field);
  $fields = field_info_fields();
  $this
    ->assertEqual(count($fields), count($core_fields) + 1, 'One new field exists');
  $this
    ->assertEqual($fields[$field['field_name']]['field_name'], $field['field_name'], 'info fields contains field name');
  $this
    ->assertEqual($fields[$field['field_name']]['type'], $field['type'], 'info fields contains field type');
  $this
    ->assertEqual($fields[$field['field_name']]['module'], 'field_test', 'info fields contains field module');
  $settings = array(
    'test_field_setting' => 'dummy test string',
  );
  foreach ($settings as $key => $val) {
    $this
      ->assertEqual($fields[$field['field_name']]['settings'][$key], $val, format_string('Field setting %key has correct default value %value', array(
      '%key' => $key,
      '%value' => $val,
    )));
  }
  $this
    ->assertEqual($fields[$field['field_name']]['cardinality'], 1, 'info fields contains cardinality 1');
  $this
    ->assertEqual($fields[$field['field_name']]['active'], 1, 'info fields contains active 1');

  // Create an instance, verify that it shows up
  $instance = array(
    'field_name' => $field['field_name'],
    'entity_type' => 'test_entity',
    'bundle' => 'test_bundle',
    'label' => $this
      ->randomName(),
    'description' => $this
      ->randomName(),
    'weight' => mt_rand(0, 127),
    // test_field has no instance settings
    'widget' => array(
      'type' => 'test_field_widget',
      'settings' => array(
        'test_setting' => 999,
      ),
    ),
  );
  field_create_instance($instance);
  $info = entity_get_info('test_entity');
  $instances = field_info_instances('test_entity', $instance['bundle']);
  $this
    ->assertEqual(count($instances), 1, format_string('One instance shows up in info when attached to a bundle on a @label.', array(
    '@label' => $info['label'],
  )));
  $this
    ->assertTrue($instance < $instances[$instance['field_name']], 'Instance appears in info correctly');

  // Test a valid entity type but an invalid bundle.
  $instances = field_info_instances('test_entity', 'invalid_bundle');
  $this
    ->assertIdentical($instances, array(), "field_info_instances('test_entity', 'invalid_bundle') returns an empty array.");

  // Test invalid entity type and bundle.
  $instances = field_info_instances('invalid_entity', $instance['bundle']);
  $this
    ->assertIdentical($instances, array(), "field_info_instances('invalid_entity', 'test_bundle') returns an empty array.");

  // Test invalid entity type, no bundle provided.
  $instances = field_info_instances('invalid_entity');
  $this
    ->assertIdentical($instances, array(), "field_info_instances('invalid_entity') returns an empty array.");

  // Test with an entity type that has no bundles.
  $instances = field_info_instances('user');
  $expected = array(
    'user' => array(),
  );
  $this
    ->assertIdentical($instances, $expected, format_string("field_info_instances('user') returns %expected.", array(
    '%expected' => var_export($expected, TRUE),
  )));
  $instances = field_info_instances('user', 'user');
  $this
    ->assertIdentical($instances, array(), "field_info_instances('user', 'user') returns an empty array.");

  // Test that querying for invalid entity types does not add entries in the
  // list returned by field_info_instances().
  field_info_cache_clear();
  field_info_instances('invalid_entity', 'invalid_bundle');

  // Simulate new request by clearing static caches.
  drupal_static_reset();
  field_info_instances('invalid_entity', 'invalid_bundle');
  $instances = field_info_instances();
  $this
    ->assertFalse(isset($instances['invalid_entity']), 'field_info_instances() does not contain entries for the invalid entity type that was queried before');
}