function FieldTranslationsTestCase::testFieldInvokeMultiple

7.x field.test FieldTranslationsTestCase::testFieldInvokeMultiple()

Test the multilanguage logic of _field_invoke_multiple().

File

drupal/modules/field/tests/field.test, line 3104
Tests for field.module.

Class

FieldTranslationsTestCase
Unit test class for the multilanguage fields logic.

Code

function testFieldInvokeMultiple() {
  // Enable field translations for the entity.
  field_test_entity_info_translatable('test_entity', TRUE);

  $values = array();
  $options = array();
  $entities = array();
  $entity_type = 'test_entity';
  $entity_count = 5;
  $available_languages = field_available_languages($this->entity_type, $this->field);

  for ($id = 1; $id <= $entity_count; ++$id) {
    $entity = field_test_create_stub_entity($id, $id, $this->instance['bundle']);
    $languages = $available_languages;

    // Populate some extra languages to check whether _field_invoke()
    // correctly uses the result of field_available_languages().
    $extra_languages = mt_rand(1, 4);
    for ($i = 0; $i < $extra_languages; ++$i) {
      $languages[] = $this->randomName(2);
    }

    // For each given language provide some random values.
    $language_count = count($languages);
    for ($i = 0; $i < $language_count; ++$i) {
      $langcode = $languages[$i];
      // Avoid to populate at least one field translation to check that
      // per-entity language suggestions work even when available field values
      // are different for each language.
      if ($i !== $id) {
        for ($delta = 0; $delta < $this->field['cardinality']; $delta++) {
          $values[$id][$langcode][$delta]['value'] = mt_rand(1, 127);
        }
      }
      // Ensure that a language for which there is no field translation is
      // used as display language to prepare per-entity language suggestions.
      elseif (!isset($display_language)) {
        $display_language = $langcode;
      }
    }

    $entity->{$this->field_name} = $values[$id];
    $entities[$id] = $entity;

    // Store per-entity language suggestions.
    $options['language'][$id] = field_language($entity_type, $entity, NULL, $display_language);
  }

  $grouped_results = _field_invoke_multiple('test_op_multiple', $entity_type, $entities);
  foreach ($grouped_results as $id => $results) {
    foreach ($results as $langcode => $result) {
      if (isset($values[$id][$langcode])) {
        $hash = hash('sha256', serialize(array($entity_type, $entities[$id], $this->field_name, $langcode, $values[$id][$langcode])));
        // Check whether the parameters passed to _field_invoke_multiple()
        // were correctly forwarded to the callback function.
        $this->assertEqual($hash, $result, format_string('The result for entity %id/%language is correctly stored.', array('%id' => $id, '%language' => $langcode)));
      }
    }
    $this->assertEqual(count($results), count($available_languages), format_string('No unavailable language has been processed for entity %id.', array('%id' => $id)));
  }

  $null = NULL;
  $grouped_results = _field_invoke_multiple('test_op_multiple', $entity_type, $entities, $null, $null, $options);
  foreach ($grouped_results as $id => $results) {
    foreach ($results as $langcode => $result) {
      $this->assertTrue(isset($options['language'][$id]), format_string('The result language %language for entity %id was correctly suggested (display language: %display_language).', array('%id' => $id, '%language' => $langcode, '%display_language' => $display_language)));
    }
  }
}