FieldTranslationsTestCase

  1. drupal
    1. 8
    2. 7

Unit test class for the multilanguage fields logic.

The following tests will check the multilanguage logic of _field_invoke() and that only the correct values are returned by field_available_languages().

Hierarchy

Properties

NameDescription
DrupalTestCase::$assertionsAssertions thrown in that test case.
DrupalTestCase::$databasePrefixThe database prefix of this test run.
DrupalTestCase::$originalFileDirectoryThe original file directory, before it was changed for testing purposes.
DrupalTestCase::$resultsCurrent results of this test case.
DrupalTestCase::$skipClassesThis class is skipped when looking for the source of an assertion.
DrupalTestCase::$testIdThe test run ID.
DrupalTestCase::$timeLimitTime limit for the test.
DrupalWebTestCase::$additionalCurlOptionsAdditional cURL options.
DrupalWebTestCase::$contentThe content of the page currently loaded in the internal browser.
DrupalWebTestCase::$cookieFileThe current cookie file used by cURL.
DrupalWebTestCase::$curlHandleThe handle of the current cURL connection.
DrupalWebTestCase::$drupalSettingsThe value of the Drupal.settings JavaScript variable for the page currently loaded in the internal browser.
DrupalWebTestCase::$elementsThe parsed version of the page.
DrupalWebTestCase::$generatedTestFilesWhether the files were copied to the test files directory.
DrupalWebTestCase::$headersThe headers of the page currently loaded in the internal browser.
DrupalWebTestCase::$httpauth_credentialsHTTP authentication credentials (<username>:<password>).
DrupalWebTestCase::$httpauth_methodHTTP authentication method
DrupalWebTestCase::$loggedInUserThe current user logged in using the internal browser.
DrupalWebTestCase::$originalShutdownCallbacksThe original shutdown handlers array, before it was cleaned for testing purposes.
DrupalWebTestCase::$originalUserThe original user, before it was changed to a clean uid = 1 for testing purposes.
DrupalWebTestCase::$plainTextContentThe content of the page currently loaded in the internal browser (plain text version).
DrupalWebTestCase::$profileThe profile to install as a basis for testing.
DrupalWebTestCase::$redirect_countThe number of redirects followed during the handling of a request.
DrupalWebTestCase::$session_idThe current session ID, if available.
DrupalWebTestCase::$session_nameThe current session name, if available.
DrupalWebTestCase::$urlThe URL currently loaded in the internal browser.

Functions & methods

NameDescription
DrupalTestCase::assertInternal helper: stores the assert.
DrupalTestCase::assertEqualCheck to see if two values are equal.
DrupalTestCase::assertFalseCheck to see if a value is false (an empty string, 0, NULL, or FALSE).
DrupalTestCase::assertIdenticalCheck to see if two values are identical.
DrupalTestCase::assertNotEqualCheck to see if two values are not equal.
DrupalTestCase::assertNotIdenticalCheck to see if two values are not identical.
DrupalTestCase::assertNotNullCheck to see if a value is not NULL.
DrupalTestCase::assertNullCheck to see if a value is NULL.
DrupalTestCase::assertTrueCheck to see if a value is not false (not an empty string, 0, NULL, or FALSE).
DrupalTestCase::deleteAssertDelete an assertion record by message ID.
DrupalTestCase::errorFire an error assertion.
DrupalTestCase::errorHandlerHandle errors during test runs.
DrupalTestCase::exceptionHandlerHandle exceptions.
DrupalTestCase::failFire an assertion that is always negative.
DrupalTestCase::generatePermutationsConverts a list of possible parameters into a stack of permutations.
DrupalTestCase::getAssertionCallCycles through backtrace until the first non-assertion method is found.
DrupalTestCase::insertAssertStore an assertion from outside the testing context.
DrupalTestCase::passFire an assertion that is always positive.
DrupalTestCase::randomNameGenerates a random string containing letters and numbers.
DrupalTestCase::randomStringGenerates a random string of ASCII characters of codes 32 to 126.
DrupalTestCase::runRun all tests in this class.
DrupalTestCase::verboseLogs verbose message in a text file.
DrupalWebTestCase::assertFieldAsserts that a field exists with the given name or id.
DrupalWebTestCase::assertFieldByIdAsserts that a field exists in the current page with the given id and value.
DrupalWebTestCase::assertFieldByNameAsserts that a field exists in the current page with the given name and value.
DrupalWebTestCase::assertFieldByXPathAsserts that a field exists in the current page by the given XPath.
DrupalWebTestCase::assertFieldCheckedAsserts that a checkbox field in the current page is checked.
DrupalWebTestCase::assertLinkPass if a link with the specified label is found, and optional with the specified index.
DrupalWebTestCase::assertLinkByHrefPass if a link containing a given href (part) is found.
DrupalWebTestCase::assertMailAsserts that the most recently sent e-mail message has the given value.
DrupalWebTestCase::assertMailPatternAsserts that the most recently sent e-mail message has the pattern in it.
DrupalWebTestCase::assertMailStringAsserts that the most recently sent e-mail message has the string in it.
DrupalWebTestCase::assertNoDuplicateIdsAsserts that each HTML ID is used for just a single element.
DrupalWebTestCase::assertNoFieldAsserts that a field does not exist with the given name or id.
DrupalWebTestCase::assertNoFieldByIdAsserts that a field does not exist with the given id and value.
DrupalWebTestCase::assertNoFieldByNameAsserts that a field does not exist with the given name and value.
DrupalWebTestCase::assertNoFieldByXPathAsserts that a field does not exist in the current page by the given XPath.
DrupalWebTestCase::assertNoFieldCheckedAsserts that a checkbox field in the current page is not checked.
DrupalWebTestCase::assertNoLinkPass if a link with the specified label is not found.
DrupalWebTestCase::assertNoLinkByHrefPass if a link containing a given href (part) is not found.
DrupalWebTestCase::assertNoOptionSelectedAsserts that a select option in the current page is not checked.
DrupalWebTestCase::assertNoPatternWill trigger a pass if the perl regex pattern is not present in raw content.
DrupalWebTestCase::assertNoRawPass if the raw text is NOT found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertNoResponseAsserts the page did not return the specified response code.
DrupalWebTestCase::assertNoTextPass if the text is NOT found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertNoTitlePass if the page title is not the given string.
DrupalWebTestCase::assertNoUniqueTextPass if the text is found MORE THAN ONCE on the text version of the page.
DrupalWebTestCase::assertOptionSelectedAsserts that a select option in the current page is checked.
DrupalWebTestCase::assertPatternWill trigger a pass if the Perl regex pattern is found in the raw content.
DrupalWebTestCase::assertRawPass if the raw text IS found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertResponseAsserts the page responds with the specified response code.
DrupalWebTestCase::assertTextPass if the text IS found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertTextHelperHelper for assertText and assertNoText.
DrupalWebTestCase::assertTitlePass if the page title is the given string.
DrupalWebTestCase::assertUniqueTextPass if the text is found ONLY ONCE on the text version of the page.
DrupalWebTestCase::assertUniqueTextHelperHelper for assertUniqueText and assertNoUniqueText.
DrupalWebTestCase::assertUrlPass if the internal browser's URL matches the given path.
DrupalWebTestCase::buildXPathQueryBuilds an XPath query.
DrupalWebTestCase::checkForMetaRefreshCheck for meta refresh tag and if found call drupalGet() recursively. This function looks for the http-equiv attribute to be set to "Refresh" and is case-sensitive.
DrupalWebTestCase::checkPermissionsCheck to make sure that the array of permissions are valid.
DrupalWebTestCase::clickLinkFollows a link by name.
DrupalWebTestCase::constructFieldXpathHelper function: construct an XPath for the given set of attributes and value.
DrupalWebTestCase::cronRunRuns cron in the Drupal installed by Simpletest.
DrupalWebTestCase::curlCloseClose the cURL handler and unset the handler.
DrupalWebTestCase::curlExecInitializes and executes a cURL request.
DrupalWebTestCase::curlHeaderCallbackReads headers and registers errors received from the tested site.
DrupalWebTestCase::curlInitializeInitializes the cURL connection.
DrupalWebTestCase::drupalCompareFilesCompare two files based on size and file name.
DrupalWebTestCase::drupalCreateContentTypeCreates a custom content type based on default settings.
DrupalWebTestCase::drupalCreateNodeCreates a node based on default settings.
DrupalWebTestCase::drupalCreateRoleInternal helper function; Create a role with specified permissions.
DrupalWebTestCase::drupalCreateUserCreate a user with a given set of permissions. The permissions correspond to the names given on the privileges page.
DrupalWebTestCase::drupalGetRetrieves a Drupal path or an absolute path.
DrupalWebTestCase::drupalGetAJAXRetrieve a Drupal path or an absolute path and JSON decode the result.
DrupalWebTestCase::drupalGetContentGets the current raw HTML of requested page.
DrupalWebTestCase::drupalGetHeaderGets the value of an HTTP response header. If multiple requests were required to retrieve the page, only the headers from the last request will be checked by default. However, if TRUE is passed as the second argument, all requests will be processed…
DrupalWebTestCase::drupalGetHeadersGets the HTTP response headers of the requested page. Normally we are only interested in the headers returned by the last request. However, if a page is redirected or HTTP authentication is in use, multiple requests will be required to retrieve the…
DrupalWebTestCase::drupalGetMailsGets an array containing all e-mails sent during this test case.
DrupalWebTestCase::drupalGetNodeByTitleGet a node from the database based on its title.
DrupalWebTestCase::drupalGetSettingsGets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::drupalGetTestFilesGet a list files that can be used in tests.
DrupalWebTestCase::drupalGetTokenGenerate a token for the currently logged in user.
DrupalWebTestCase::drupalHeadRetrieves only the headers for a Drupal path or an absolute path.
DrupalWebTestCase::drupalLoginLog in a user with the internal browser.
DrupalWebTestCase::drupalLogout
DrupalWebTestCase::drupalPostExecute a POST request on a Drupal page. It will be done as usual POST request with SimpleBrowser.
DrupalWebTestCase::drupalPostAJAXExecute an Ajax submission.
DrupalWebTestCase::drupalSetContentSets the raw HTML content. This can be useful when a page has been fetched outside of the internal browser and assertions need to be made on the returned page.
DrupalWebTestCase::drupalSetSettingsSets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::getAbsoluteUrlTakes a path and returns an absolute path.
DrupalWebTestCase::getAllOptionsGet all option elements, including nested options, in a select.
DrupalWebTestCase::getSelectedItemGet the selected value from a select field.
DrupalWebTestCase::getUrlGet the current url from the cURL handler.
DrupalWebTestCase::handleFormHandle form input related to drupalPost(). Ensure that the specified fields exist and attempt to create POST data in the correct manner for the particular field type.
DrupalWebTestCase::parseParse content returned from curlExec using DOM and SimpleXML.
DrupalWebTestCase::preloadRegistryPreload the registry from the testing site.
DrupalWebTestCase::refreshVariablesRefresh the in-memory set of variables. Useful after a page request is made that changes a variable in a different thread.
DrupalWebTestCase::resetAllReset all data structures after having enabled new modules.
DrupalWebTestCase::tearDownDelete created files and temporary files directory, delete the tables created by setUp(), and reset the database prefix.
DrupalWebTestCase::verboseEmailOutputs to verbose the most recent $count emails sent.
DrupalWebTestCase::xpathPerform an xpath search on the contents of the internal browser. The search is relative to the root element (HTML tag normally) of the page.
DrupalWebTestCase::__constructConstructor for DrupalWebTestCase. Overrides DrupalTestCase::__construct
FieldTestCase::assertFieldValuesAssert that a field has the expected values in an entity.
FieldTestCase::_generateTestFieldValuesGenerate random values for a field_test field.
FieldTranslationsTestCase::checkTranslationRevisionsCheck if the field translation attached to the entity revision identified by the passed arguments were correctly stored.
FieldTranslationsTestCase::getInfo
FieldTranslationsTestCase::setUpSet the default field storage backend for fields created during tests. Overrides FieldTestCase::setUp
FieldTranslationsTestCase::testFieldAvailableLanguagesEnsures that only valid values are returned by field_available_languages().
FieldTranslationsTestCase::testFieldDisplayLanguageTests display language logic for translatable fields.
FieldTranslationsTestCase::testFieldFormTranslationRevisionsTests field translations when creating a new revision.
FieldTranslationsTestCase::testFieldInvokeTest the multilanguage logic of _field_invoke().
FieldTranslationsTestCase::testFieldInvokeMultipleTest the multilanguage logic of _field_invoke_multiple().
FieldTranslationsTestCase::testTranslatableFieldSaveLoadTest translatable fields storage/retrieval.

modules/field/tests/field.test, line 2612

View source
<?php
class FieldTranslationsTestCase extends FieldTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Field translations tests', 
      'description' => 'Test multilanguage fields logic.', 
      'group' => 'Field API',
    );
  }

  function setUp() {
    parent::setUp('locale', 'field_test');

    $this->field_name = drupal_strtolower($this->randomName() . '_field_name');

    $this->entity_type = 'test_entity';

    $field = array(
      'field_name' => $this->field_name, 
      'type' => 'test_field', 
      'cardinality' => 4, 
      'translatable' => TRUE,
    );
    field_create_field($field);
    $this->field = field_read_field($this->field_name);

    $instance = array(
      'field_name' => $this->field_name, 
      'entity_type' => $this->entity_type, 
      'bundle' => 'test_bundle',
    );
    field_create_instance($instance);
    $this->instance = field_read_instance('test_entity', $this->field_name, 'test_bundle');

    require_once DRUPAL_ROOT . '/includes/locale.inc';
    for ($i = 0; $i < 3; ++$i) {
      locale_add_language('l' . $i, $this->randomString(), $this->randomString());
    }
  }

  /**
   * Ensures that only valid values are returned by field_available_languages().
   */
  function testFieldAvailableLanguages() {
    // Test 'translatable' fieldable info.
    field_test_entity_info_translatable('test_entity', FALSE);
    $field = $this->field;
    $field['field_name'] .= '_untranslatable';

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

    // Test hook_field_languages() invocation on a translatable field.
    variable_set('field_test_field_available_languages_alter', TRUE);
    $enabled_languages = field_content_languages();
    $available_languages = field_available_languages($this->entity_type, $this->field);
    foreach ($available_languages as $delta => $langcode) {
      if ($langcode != 'xx' && $langcode != 'en') {
        $this->assertTrue(in_array($langcode, $enabled_languages), t('%language is an enabled language.', array('%language' => $langcode)));
      }
    }
    $this->assertTrue(in_array('xx', $available_languages), t('%language was made available.', array('%language' => 'xx')));
    $this->assertFalse(in_array('en', $available_languages), t('%language was made unavailable.', array('%language' => 'en')));

    // Test field_available_languages() behavior for untranslatable fields.
    $this->field['translatable'] = FALSE;
    $this->field_name = $this->field['field_name'] = $this->instance['field_name'] = drupal_strtolower($this->randomName() . '_field_name');
    $available_languages = field_available_languages($this->entity_type, $this->field);
    $this->assertTrue(count($available_languages) == 1 && $available_languages[0] === LANGUAGE_NONE, t('For untranslatable fields only LANGUAGE_NONE is available.'));
  }

  /**
   * Test the multilanguage logic of _field_invoke().
   */
  function testFieldInvoke() {
    // Enable field translations for the entity.
    field_test_entity_info_translatable('test_entity', TRUE);

    $entity_type = 'test_entity';
    $entity = field_test_create_stub_entity(0, 0, $this->instance['bundle']);

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

    // For each given language provide some random values.
    foreach ($languages as $langcode) {
      for ($delta = 0; $delta < $this->field['cardinality']; $delta++) {
        $values[$langcode][$delta]['value'] = mt_rand(1, 127);
      }
    }
    $entity->{$this->field_name} = $values;

    $results = _field_invoke('test_op', $entity_type, $entity);
    foreach ($results as $langcode => $result) {
      $hash = hash('sha256', serialize(array($entity_type, $entity, $this->field_name, $langcode, $values[$langcode])));
      // Check whether the parameters passed to _field_invoke() were correctly
      // forwarded to the callback function.
      $this->assertEqual($hash, $result, t('The result for %language is correctly stored.', array('%language' => $langcode)));
    }

    $this->assertEqual(count($results), count($available_languages), t('No unavailable language has been processed.'));
  }

  /**
   * Test the multilanguage logic of _field_invoke_multiple().
   */
  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 = mt_rand(2, 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, t('The result for entity %id/%language is correctly stored.', array('%id' => $id, '%language' => $langcode)));
        }
      }
      $this->assertEqual(count($results), count($available_languages), t('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]), t('The result language %language for entity %id was correctly suggested (display language: %display_language).', array('%id' => $id, '%language' => $langcode, '%display_language' => $display_language)));
      }
    }
  }

  /**
   * Test translatable fields storage/retrieval.
   */
  function testTranslatableFieldSaveLoad() {
    // Enable field translations for nodes.
    field_test_entity_info_translatable('node', TRUE);
    $entity_info = entity_get_info('node');
    $this->assertTrue(count($entity_info['translation']), t('Nodes are translatable.'));

    // Prepare the field translations.
    field_test_entity_info_translatable('test_entity', TRUE);
    $eid = $evid = 1;
    $entity_type = 'test_entity';
    $entity = field_test_create_stub_entity($eid, $evid, $this->instance['bundle']);
    $field_translations = array();
    $available_languages = field_available_languages($entity_type, $this->field);
    $this->assertTrue(count($available_languages) > 1, t('Field is translatable.'));
    foreach ($available_languages as $langcode) {
      $field_translations[$langcode] = $this->_generateTestFieldValues($this->field['cardinality']);
    }

    // Save and reload the field translations.
    $entity->{$this->field_name} = $field_translations;
    field_attach_insert($entity_type, $entity);
    unset($entity->{$this->field_name});
    field_attach_load($entity_type, array($eid => $entity));

    // Check if the correct values were saved/loaded.
    foreach ($field_translations as $langcode => $items) {
      $result = TRUE;
      foreach ($items as $delta => $item) {
        $result = $result && $item['value'] == $entity->{$this->field_name}[$langcode][$delta]['value'];
      }
      $this->assertTrue($result, t('%language translation correctly handled.', array('%language' => $langcode)));
    }
  }

  /**
   * Tests display language logic for translatable fields.
   */
  function testFieldDisplayLanguage() {
    $field_name = drupal_strtolower($this->randomName() . '_field_name');
    $entity_type = 'test_entity';

    // We need an additional field here to properly test display language
    // suggestions.
    $field = array(
      'field_name' => $field_name, 
      'type' => 'test_field', 
      'cardinality' => 2, 
      'translatable' => TRUE,
    );
    field_create_field($field);

    $instance = array(
      'field_name' => $field['field_name'], 
      'entity_type' => $entity_type, 
      'bundle' => 'test_bundle',
    );
    field_create_instance($instance);

    $entity = field_test_create_stub_entity(1, 1, $this->instance['bundle']);
    $instances = field_info_instances($entity_type, $this->instance['bundle']);

    $enabled_languages = field_content_languages();
    $languages = array();

    // Generate field translations for languages different from the first
    // enabled.
    foreach ($instances as $instance) {
      $field_name = $instance['field_name'];
      $field = field_info_field($field_name);
      do {
        // Index 0 is reserved for the requested language, this way we ensure
        // that no field is actually populated with it.
        $langcode = $enabled_languages[mt_rand(1, count($enabled_languages) - 1)];
      } while (isset($languages[$langcode]));
      $languages[$langcode] = TRUE;
      $entity->{$field_name}[$langcode] = $this->_generateTestFieldValues($field['cardinality']);
    }

    // Test multiple-fields display languages for untranslatable entities.
    field_test_entity_info_translatable($entity_type, FALSE);
    drupal_static_reset('field_language');
    $requested_language = $enabled_languages[0];
    $display_language = field_language($entity_type, $entity, NULL, $requested_language);
    foreach ($instances as $instance) {
      $field_name = $instance['field_name'];
      $this->assertTrue($display_language[$field_name] == LANGUAGE_NONE, t('The display language for field %field_name is %language.', array('%field_name' => $field_name, '%language' => LANGUAGE_NONE)));
    }

    // Test multiple-fields display languages for translatable entities.
    field_test_entity_info_translatable($entity_type, TRUE);
    drupal_static_reset('field_language');
    $display_language = field_language($entity_type, $entity, NULL, $requested_language);

    foreach ($instances as $instance) {
      $field_name = $instance['field_name'];
      $langcode = $display_language[$field_name];
      // As the requested language was not assinged to any field, if the
      // returned language is defined for the current field, core fallback rules
      // were successfully applied.
      $this->assertTrue(isset($entity->{$field_name}[$langcode]) && $langcode != $requested_language, t('The display language for the field %field_name is %language.', array('%field_name' => $field_name, '%language' => $langcode)));
    }

    // Test single-field display language.
    drupal_static_reset('field_language');
    $langcode = field_language($entity_type, $entity, $this->field_name, $requested_language);
    $this->assertTrue(isset($entity->{$this->field_name}[$langcode]) && $langcode != $requested_language, t('The display language for the (single) field %field_name is %language.', array('%field_name' => $field_name, '%language' => $langcode)));

    // Test field_language() basic behavior without language fallback.
    variable_set('field_test_language_fallback', FALSE);
    $entity->{$this->field_name}[$requested_language] = mt_rand(1, 127);
    drupal_static_reset('field_language');
    $display_language = field_language($entity_type, $entity, $this->field_name, $requested_language);
    $this->assertEqual($display_language, $requested_language, t('Display language behave correctly when language fallback is disabled'));
  }

  /**
   * Tests field translations when creating a new revision.
   */
  function testFieldFormTranslationRevisions() {
    $web_user = $this->drupalCreateUser(array('access field_test content', 'administer field_test content'));
    $this->drupalLogin($web_user);

    // Prepare the field translations.
    field_test_entity_info_translatable($this->entity_type, TRUE);
    $eid = 1;
    $entity = field_test_create_stub_entity($eid, $eid, $this->instance['bundle']);
    $available_languages = array_flip(field_available_languages($this->entity_type, $this->field));
    unset($available_languages[LANGUAGE_NONE]);
    $field_name = $this->field['field_name'];

    // Store the field translations.
    $entity->is_new = TRUE;
    foreach ($available_languages as $langcode => $value) {
      $entity->{$field_name}[$langcode][0]['value'] = $value + 1;
    }
    field_test_entity_save($entity);

    // Create a new revision.
    $langcode = field_valid_language(NULL);
    $edit = array(
      "{$field_name}[$langcode][0][value]" => $entity->{$field_name}[$langcode][0]['value'],
      'revision' => TRUE,
    );
    $this->drupalPost('test-entity/manage/' . $eid . '/edit', $edit, t('Save'));

    // Check translation revisions.
    $this->checkTranslationRevisions($eid, $eid, $available_languages);
    $this->checkTranslationRevisions($eid, $eid + 1, $available_languages);
  }

  /**
   * Check if the field translation attached to the entity revision identified
   * by the passed arguments were correctly stored.
   */
  private function checkTranslationRevisions($eid, $evid, $available_languages) {
    $field_name = $this->field['field_name'];
    $entity = field_test_entity_test_load($eid, $evid);
    foreach ($available_languages as $langcode => $value) {
      $passed = isset($entity->{$field_name}[$langcode]) && $entity->{$field_name}[$langcode][0]['value'] == $value + 1;
      $this->assertTrue($passed, t('The @language translation for revision @revision was correctly stored', array('@language' => $langcode, '@revision' => $entity->ftvid)));
    }
  }
}
?>