<?php
// $Id: locale.test,v 1.69 2010/03/31 20:05:06 dries Exp $

/**
 * @file
 * Tests for Locale module.
 *
 * The test file includes:
 *  - a functional test for the language configuration forms;
 *  - functional tests for the translation functionalities, including searching;
 *  - a functional test for the PO files import feature, including validation;
 *  - functional tests for translations and templates export feature;
 *  - functional tests for the uninstall process;
 *  - a functional test for the language switching feature;
 *  - a functional test for a user's ability to change their default language;
 *  - a functional test for configuring a different path alias per language;
 *  - a functional test for configuring a different path alias per language;
 *  - a functional test for multilingual support by content type and on nodes.
 *  - a functional test for multilingual fields.
 */


/**
 * Functional tests for the language configuration forms.
 */
class LocaleConfigurationTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Language configuration',
      'description' => 'Adds a new locale and tests changing its status and the default language.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
  }

  /**
   * Functional tests for adding, editing and deleting languages.
   */
  function testLanguageConfiguration() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
    $this->drupalLogin($admin_user);

    // Add predefined language.
    $edit = array(
      'langcode' => 'fr',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));
    $this->assertText('fr', t('Language added successfully.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));

    // Add custom language.
    // Code for the language.
    $langcode = 'xx';
    // The English name for the language.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertText($langcode, t('Language code found.'));
    $this->assertText($name, t('Name found.'));
    $this->assertText($native, t('Native found.'));
    $this->assertText($native, t('Test language added.'));

    // Check if we can change the default language.
    $path = 'admin/config/regional/language';
    $this->drupalGet($path);
    $this->assertFieldChecked('edit-site-default-en', t('English is the default language.'));
    // Change the default language.
    $edit = array(
      'site_default' => $langcode,
    );
    $this->drupalPost(NULL, $edit, t('Save configuration'));
    $this->assertNoFieldChecked('edit-site-default-en', t('Default language updated.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));

    // Ensure we can't delete the default language.
    $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertText(t('The default language cannot be deleted.'), t('Failed to delete the default language.'));

    // Check if we can disable a language.
    $edit = array(
      'enabled[en]' => FALSE,
    );
    $this->drupalPost($path, $edit, t('Save configuration'));
    $this->assertNoFieldChecked('edit-enabled-en', t('Language disabled.'));

    // Set disabled language to be the default and ensure it is re-enabled.
    $edit = array(
      'site_default' => 'en',
    );
    $this->drupalPost(NULL, $edit, t('Save configuration'));
    $this->assertFieldChecked('edit-enabled-en', t('Default language re-enabled.'));

    // Ensure 'edit' link works.
    $this->clickLink(t('edit'));
    $this->assertTitle(t('Edit language | Drupal'), t('Page title is "Edit language".'));
    // Edit a language.
    $name = $this->randomName(16);
    $edit = array(
      'name' => $name,
    );
    $this->drupalPost('admin/config/regional/language/edit/' . $langcode, $edit, t('Save language'));
    $this->assertRaw($name, t('The language has been updated.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));

    // Ensure 'delete' link works.
    $this->drupalGet('admin/config/regional/language');
    $this->clickLink(t('delete'));
    $this->assertText(t('Are you sure you want to delete the language'), t('"delete" link is correct.'));
    // Delete the language.
    $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
    // First test the 'cancel' link.
    $this->clickLink(t('Cancel'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertRaw($name, t('The language was not deleted.'));
    // Delete the language for real. This a confirm form, we do not need any
    // fields changed.
    $this->drupalPost('admin/config/regional/language/delete/' . $langcode, array(), t('Delete'));
    // We need raw here because %locale will add HTML.
    $this->assertRaw(t('The language %locale has been removed.', array('%locale' => $name)), t('The test language has been removed.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));
    // Verify that language is no longer found.
    $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
    $this->assertResponse(404, t('Language no longer found.'));

    // Ensure we can't delete the English language.
    $this->drupalGet('admin/config/regional/language/delete/en');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertText(t('The English language cannot be deleted.'), t('Failed to delete English language.'));
  }

}

/**
 * Functional test for string translation and validation.
 */
class LocaleTranslationFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'String translate, search and validate',
      'description' => 'Adds a new locale and translates its name. Checks the validation of translation strings and search results.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
  }

  /**
   * Adds a language and tests string translation by users with the appropriate permissions.
   */
  function testStringTranslation() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
    // User to translate and delete string.
    $translate_user = $this->drupalCreateUser(array('translate interface', 'access administration pages'));
    // Code for the language.
    $langcode = 'xx';
    // The English name for the language. This will be translated.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    // This is the language indicator on the translation search screen for
    // untranslated strings. Copied straight from locale.inc.
    $language_indicator = "<em class=\"locale-untranslated\">$langcode</em> ";
    // This will be the translation of $name.
    $translation = $this->randomName(16);

    // Add custom language.
    $this->drupalLogin($admin_user);
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    // Add string.
    t($name, array(), array('langcode' => $langcode));
    // Reset locale cache.
    locale_reset();
    $this->assertText($langcode, t('Language code found.'));
    $this->assertText($name, t('Name found.'));
    $this->assertText($native, t('Native found.'));
    // No t() here, we do not want to add this string to the database and it's
    // surely not translated yet.
    $this->assertText($native, t('Test language added.'));
    $this->drupalLogout();

    // Search for the name and translate it.
    $this->drupalLogin($translate_user);
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // assertText() seems to remove the input field where $name always could be
    // found, so this is not a false assert. See how assertNoText succeeds
    // later.
    $this->assertText($name, t('Search found the name.'));
    $this->assertRaw($language_indicator, t('Name is untranslated.'));
    // Assume this is the only result, given the random name.
    $this->clickLink(t('edit'));
    // We save the lid from the path.
    $matches = array();
    preg_match('!admin/config/regional/translate/edit/(\d+)!', $this->getUrl(), $matches);
    $lid = $matches[1];
    // No t() here, it's surely not translated yet.
    $this->assertText($name, t('name found on edit screen.'));
    $edit = array(
      "translations[$langcode]" => $translation,
    );
    $this->drupalPost(NULL, $edit, t('Save translations'));
    $this->assertText(t('The string has been saved.'), t('The string has been saved.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertTrue($name != $translation && t($name, array(), array('langcode' => $langcode)) == $translation, t('t() works.'));
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // The indicator should not be here.
    $this->assertNoRaw($language_indicator, t('String is translated.'));

    // Try to edit a non-existent string and ensure we're redirected correctly.
    // Assuming we don't have 999,999 strings already.
    $random_lid = 999999;
    $this->drupalGet('admin/config/regional/translate/edit/' . $random_lid);
    $this->assertText(t('String not found'), t('String not found.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->drupalLogout();

    // Delete the language.
    $this->drupalLogin($admin_user);
    $path = 'admin/config/regional/language/delete/' . $langcode;
    // This a confirm form, we do not need any fields changed.
    $this->drupalPost($path, array(), t('Delete'));
    // We need raw here because %locale will add HTML.
    $this->assertRaw(t('The language %locale has been removed.', array('%locale' => $name)), t('The test language has been removed.'));
    // Reload to remove $name.
    $this->drupalGet($path);
    $this->assertNoText($langcode, t('Language code not found.'));
    $this->assertNoText($name, t('Name not found.'));
    $this->assertNoText($native, t('Native not found.'));
    $this->drupalLogout();

    // Delete the string.
    $this->drupalLogin($translate_user);
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // Assume this is the only result, given the random name.
    $this->clickLink(t('delete'));
    $this->assertText(t('Are you sure you want to delete the string'), t('"delete" link is correct.'));
    // Delete the string.
    $path = 'admin/config/regional/translate/delete/' . $lid;
    $this->drupalGet($path);
    // First test the 'cancel' link.
    $this->clickLink(t('Cancel'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertRaw($name, t('The string was not deleted.'));
    // Delete the name string.
    $this->drupalPost('admin/config/regional/translate/delete/' . $lid, array(), t('Delete'));
    $this->assertText(t('The string has been removed.'), t('The string has been removed message.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText($name, t('Search now can not find the name.'));
  }

  /*
   * Adds a language and checks that the JavaScript translation files are
   * properly created and rebuilt on deletion.
   */
  function testJavaScriptTranslation() {
    $user = $this->drupalCreateUser(array('translate interface', 'administer languages', 'access administration pages'));
    $this->drupalLogin($user);

    $langcode = 'xx';
    // The English name for the language. This will be translated.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;

    // Add custom language.
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    drupal_static_reset('language_list');

    // Build the JavaScript translation file.
    $this->drupalGet('admin/config/regional/translate/translate');

    // Retrieve the id of the first string available in the {locales_source}
    // table and translate it.
    $query = db_select('locales_source', 'l');
    $query->addExpression('min(l.lid)', 'lid');
    $result = $query->condition('l.location', '%.js%', 'LIKE')
      ->condition('l.textgroup', 'default')
      ->execute();
    $url = 'admin/config/regional/translate/edit/' . $result->fetchObject()->lid;
    $edit = array('translations['. $langcode .']' => $this->randomName());
    $this->drupalPost($url, $edit, t('Save translations'));

    // Trigger JavaScript translation parsing and building.
    require_once DRUPAL_ROOT . '/includes/locale.inc';
    _locale_rebuild_js($langcode);

    // Retrieve the JavaScript translation hash code for the custom language to
    // check that the translation file has been properly built.
    $file = db_select('languages', 'l')
      ->fields('l', array('javascript'))
      ->condition('language', $langcode)
      ->execute()
      ->fetchObject();
    $js_file = 'public://' . variable_get('locale_js_directory', 'languages') . '/' . $langcode . '_' . $file->javascript . '.js';
    $this->assertTrue($result = file_exists($js_file), t('JavaScript file created: %file', array('%file' => $result ? $js_file : t('not found'))));

    // Test JavaScript translation rebuilding.
    file_unmanaged_delete($js_file);
    $this->assertTrue($result = !file_exists($js_file), t('JavaScript file deleted: %file', array('%file' => $result ? $js_file : t('found'))));
    cache_clear_all();
    _locale_rebuild_js($langcode);
    $this->assertTrue($result = file_exists($js_file), t('JavaScript file rebuilt: %file', array('%file' => $result ? $js_file : t('not found'))));
  }

  /**
   * Tests the validation of the translation input.
   */
  function testStringValidation() {
    global $base_url;

    // User to add language and strings.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages', 'translate interface'));
    $this->drupalLogin($admin_user);
    $langcode = 'xx';
    // The English name for the language. This will be translated.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    // This is the language indicator on the translation search screen for
    // untranslated strings. Copied straight from locale.inc.
    $language_indicator = "<em class=\"locale-untranslated\">$langcode</em> ";
    // These will be the invalid translations of $name.
    $key = $this->randomName(16);
    $bad_translations[$key] = "<script>alert('xss');</script>" . $key;
    $key = $this->randomName(16);
    $bad_translations[$key] = '<img SRC="javascript:alert(\'xss\');">' . $key;
    $key = $this->randomName(16);
    $bad_translations[$key] = '<<SCRIPT>alert("xss");//<</SCRIPT>' . $key;
    $key = $this->randomName(16);
    $bad_translations[$key] ="<BODY ONLOAD=alert('xss')>" . $key;

    // Add custom language.
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    // Add string.
    t($name, array(), array('langcode' => $langcode));
    // Reset locale cache.
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // Find the edit path.
    $content = $this->drupalGetContent();
    $this->assertTrue(preg_match('@(admin/config/regional/translate/edit/[0-9]+)@', $content, $matches), t('Found the edit path.'));
    $path = $matches[0];
    foreach ($bad_translations as $key => $translation) {
      $edit = array(
        "translations[$langcode]" => $translation,
      );
      $this->drupalPost($path, $edit, t('Save translations'));
      // Check for a form error on the textarea.
      $form_class = $this->xpath('//form[@id="locale-translate-edit-form"]//textarea/@class');
      $this->assertNotIdentical(FALSE, strpos($form_class[0], 'error'), t('The string was rejected as unsafe.'));
      $this->assertNoText(t('The string has been saved.'), t('The string was not saved.'));
    }
  }

  /**
   * Tests translation search form.
   */
  function testStringSearch() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
    // User to translate and delete string.
    $translate_user = $this->drupalCreateUser(array('translate interface', 'access administration pages'));

    // Code for the language.
    $langcode = 'xx';
    // The English name for the language. This will be translated.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    // This is the language indicator on the translation search screen for
    // untranslated strings. Copied straight from locale.inc.
    $language_indicator = "<em class=\"locale-untranslated\">$langcode</em> ";
    // This will be the translation of $name.
    $translation = $this->randomName(16);

    // Add custom language.
    $this->drupalLogin($admin_user);
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    // Add string.
    t($name, array(), array('langcode' => $langcode));
    // Reset locale cache.
    locale_reset();
    $this->drupalLogout();

    // Search for the name.
    $this->drupalLogin($translate_user);
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // assertText() seems to remove the input field where $name always could be
    // found, so this is not a false assert. See how assertNoText succeeds
    // later.
    $this->assertText($name, t('Search found the string.'));

    // Ensure untranslated string doesn't appear if searching on 'only
    // translated strings'.
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'translated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t("Search didn't find the string."));

    // Ensure untranslated string appears if searching on 'only untranslated
    // strings'.
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'untranslated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText(t('No strings available.'), t('Search found the string.'));

    // Add translation.
    // Assume this is the only result, given the random name.
    $this->clickLink(t('edit'));
    // We save the lid from the path.
    $matches = array();
    preg_match('!admin/config/regional/translate/edit/(\d)+!', $this->getUrl(), $matches);
    $lid = $matches[1];
    $edit = array(
      "translations[$langcode]" => $translation,
    );
    $this->drupalPost(NULL, $edit, t('Save translations'));

    // Ensure translated string does appear if searching on 'only
    // translated strings'.
    $search = array(
      'string' => $translation,
      'language' => 'all',
      'translation' => 'translated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText(t('No strings available.'), t('Search found the translation.'));

    // Ensure translated source string doesn't appear if searching on 'only
    // untranslated strings'.
    $search = array(
      'string' => $name,
      'language' => 'all',
      'translation' => 'untranslated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t("Search didn't find the source string."));

    // Ensure translated string doesn't appear if searching on 'only
    // untranslated strings'.
    $search = array(
      'string' => $translation,
      'language' => 'all',
      'translation' => 'untranslated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t("Search didn't find the translation."));

    // Ensure translated string does appear if searching on the custom language.
    $search = array(
      'string' => $translation,
      'language' => $langcode,
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText(t('No strings available.'), t('Search found the translation.'));

    // Ensure translated string doesn't appear if searching on English.
    $search = array(
      'string' => $translation,
      'language' => 'en',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t("Search didn't find the translation."));

    // Search for a string that isn't in the system.
    $unavailable_string = $this->randomName(16);
    $search = array(
      'string' => $unavailable_string,
      'language' => 'all',
      'translation' => 'all',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t("Search didn't find the invalid string."));
  }
}

/**
 * Functional tests for the import of translation files.
 */
class LocaleImportFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Translation import',
      'description' => 'Tests the importation of locale files.',
      'group' => 'Locale',
    );
  }

  /**
   * A user able to create languages and import translations.
   */
  protected $admin_user = NULL;

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

    $this->admin_user = $this->drupalCreateUser(array('administer languages', 'translate interface', 'access administration pages'));
    $this->drupalLogin($this->admin_user);
  }

  /**
   * Test importation of standalone .po files.
   */
  function testStandalonePoFile() {
    // Try importing a .po file.
    $this->importPoFile($this->getPoFile(), array(
      'langcode' => 'fr',
    ));

    // The import should automatically create the corresponding language.
    $this->assertRaw(t('The language %language has been created.', array('%language' => 'French')), t('The language has been automatically created.'));

    // The import should have created 7 strings.
    $this->assertRaw(t('The translation was successfully imported. There are %number newly created translated strings, %update strings were updated and %delete strings were removed.', array('%number' => 7, '%update' => 0, '%delete' => 0)), t('The translation file was successfully imported.'));

    // This import should have saved plural forms to have 2 variants.
    $this->assert(db_query("SELECT plurals FROM {languages} WHERE language = 'fr'")->fetchField() == 2, t('Plural number initialized.'));

    // Ensure we were redirected correctly.
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate', array('absolute' => TRUE)), t('Correct page redirection.'));


    // Try importing a .po file with invalid tags in the default text group.
    $this->importPoFile($this->getBadPoFile(), array(
      'langcode' => 'fr',
    ));

    // The import should have created 1 string and rejected 2.
    $this->assertRaw(t('The translation was successfully imported. There are %number newly created translated strings, %update strings were updated and %delete strings were removed.', array('%number' => 1, '%update' => 0, '%delete' => 0)), t('The translation file was successfully imported.'));
    $skip_message = format_plural(2, 'One translation string was skipped because it contains disallowed HTML.', '@count translation strings were skipped because they contain disallowed HTML.');
    $this->assertRaw($skip_message, t('Unsafe strings were skipped.'));


    // Try importing a .po file with invalid tags in a non default text group.
    $this->importPoFile($this->getBadPoFile(), array(
      'langcode' => 'fr',
      'group' => 'custom',
    ));

    // The import should have created 3 strings.
    $this->assertRaw(t('The translation was successfully imported. There are %number newly created translated strings, %update strings were updated and %delete strings were removed.', array('%number' => 3, '%update' => 0, '%delete' => 0)), t('The translation file was successfully imported.'));


    // Try importing a .po file which doesn't exist.
    $name = $this->randomName(16);
    $this->drupalPost('admin/config/regional/translate/import', array(
      'langcode' => 'fr',
      'files[file]' => $name,
      'group' => 'custom',
    ), t('Import'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/import', array('absolute' => TRUE)), t('Correct page redirection.'));
    $this->assertText(t('File to import not found.'), t('File to import not found message.'));


    // Try importing a .po file with overriding strings, and ensure existing
    // strings are kept.
    $this->importPoFile($this->getOverwritePoFile(), array(
      'langcode' => 'fr',
      'mode' => 1, // Existing strings are kept, only new strings are added.
    ));

    // The import should have created 1 string.
    $this->assertRaw(t('The translation was successfully imported. There are %number newly created translated strings, %update strings were updated and %delete strings were removed.', array('%number' => 1, '%update' => 0, '%delete' => 0)), t('The translation file was successfully imported.'));
    // Ensure string wasn't overwritten.
    $search = array(
      'string' => 'Montag',
      'language' => 'fr',
      'translation' => 'translated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertText(t('No strings available.'), t('String not overwritten by imported string.'));

    // This import should not have changed number of plural forms.
    $this->assert(db_query("SELECT plurals FROM {languages} WHERE language = 'fr'")->fetchField() == 2, t('Plural numbers untouched.'));

    // Try importing a .po file with overriding strings, and ensure existing
    // strings are overwritten.
    $this->importPoFile($this->getOverwritePoFile(), array(
      'langcode' => 'fr',
      'mode' => 0, // Strings in the uploaded file replace existing ones, new ones are added.
    ));

    // The import should have updated 2 strings.
    $this->assertRaw(t('The translation was successfully imported. There are %number newly created translated strings, %update strings were updated and %delete strings were removed.', array('%number' => 0, '%update' => 2, '%delete' => 0)), t('The translation file was successfully imported.'));
    // Ensure string was overwritten.
    $search = array(
      'string' => 'Montag',
      'language' => 'fr',
      'translation' => 'translated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText(t('No strings available.'), t('String overwritten by imported string.'));
    // This import should have changed number of plural forms.
    $this->assert(db_query("SELECT plurals FROM {languages} WHERE language = 'fr'")->fetchField() == 3, t('Plural numbers changed.'));
  }

  /**
   * Test automatic importation of a module's translation files when a language
   * is enabled.
   */
  function testAutomaticModuleTranslationImportLanguageEnable() {
    // Code for the language - manually set to match the test translation file.
    $langcode = 'xx';
    // The English name for the language.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;

    // Create a custom language.
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));

    // Ensure the translation file was automatically imported when language was
    // added.
    $this->assertText(t('One translation file imported for the enabled modules.'), t('Language file automatically imported.'));

    // Ensure strings were successfully imported.
    $search = array(
      'string' => 'lundi',
      'language' => $langcode,
      'translation' => 'translated',
      'group' => 'all',
    );
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText(t('No strings available.'), t('String successfully imported.'));
  }

  /**
   * Test automatic importation of a module's translation files when a language
   * is enabled.
   */
  function testLanguageContext() {
    // Try importing a .po file.
    $this->importPoFile($this->getPoFileWithContext(), array(
      'langcode' => 'hr',
    ));

    $this->assertIdentical(t('May', array(), array('langcode' => 'hr', 'context' => 'Long month name')), 'Svibanj', t('Long month name context is working.'));
    $this->assertIdentical(t('May', array(), array('langcode' => 'hr')), 'Svi.', t('Default context is working.'));
  }

  /**
   * Helper function: import a standalone .po file in a given language.
   *
   * @param $contents
   *   Contents of the .po file to import.
   * @param $options
   *   Additional options to pass to the translation import form.
   */
  function importPoFile($contents, array $options = array()) {
    $name = tempnam(file_directory_path('temporary'), "po_");
    file_put_contents($name, $contents);
    $options['files[file]'] = $name;
    $this->drupalPost('admin/config/regional/translate/import', $options, t('Import'));
    unlink($name);
  }

  /**
   * Helper function that returns a proper .po file.
   */
  function getPoFile() {
    return <<< EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 6\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\\n"

msgid "Monday"
msgstr "lundi"

msgid "Tuesday"
msgstr "mardi"

msgid "Wednesday"
msgstr "mercredi"

msgid "Thursday"
msgstr "jeudi"

msgid "Friday"
msgstr "vendredi"

msgid "Saturday"
msgstr "samedi"

msgid "Sunday"
msgstr "dimanche"
EOF;
  }

  /**
   * Helper function that returns a bad .po file.
   */
  function getBadPoFile() {
    return <<< EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 6\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\\n"

msgid "Save configuration"
msgstr "Enregistrer la configuration"

msgid "edit"
msgstr "modifier<img SRC="javascript:alert(\'xss\');">"

msgid "delete"
msgstr "supprimer<script>alert('xss');</script>"

EOF;
  }

  /**
   * Helper function that returns a proper .po file, for testing overwriting
   * existing translations.
   */
  function getOverwritePoFile() {
    return <<< EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 6\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\\n"

msgid "Monday"
msgstr "Montag"

msgid "Day"
msgstr "Jour"
EOF;
  }

  /**
   * Helper function that returns a .po file with context.
   */
  function getPoFileWithContext() {
    // Croatian (code hr) is one the the languages that have a different
    // form for the full name and the abbreviated name for the month May.
    return <<< EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 6\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\\n"

msgctxt "Long month name"
msgid "May"
msgstr "Svibanj"

msgid "May"
msgstr "Svi."
EOF;
  }


}

/**
 * Functional tests for the export of translation files.
 */
class LocaleExportFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Translation export',
      'description' => 'Tests the exportation of locale files.',
      'group' => 'Locale',
    );
  }

  /**
   * A user able to create languages and export translations.
   */
  protected $admin_user = NULL;

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

    $this->admin_user = $this->drupalCreateUser(array('administer languages', 'translate interface', 'access administration pages'));
    $this->drupalLogin($this->admin_user);
  }

  /**
   * Test exportation of translations.
   */
  function testExportTranslation() {
    // First import some known translations.
    // This will also automatically enable the 'fr' language.
    $name = tempnam(file_directory_path('temporary'), "po_");
    file_put_contents($name, $this->getPoFile());
    $this->drupalPost('admin/config/regional/translate/import', array(
      'langcode' => 'fr',
      'files[file]' => $name,
    ), t('Import'));
    unlink($name);

    // Get the French translations.
    $this->drupalPost('admin/config/regional/translate/export', array(
      'langcode' => 'fr',
    ), t('Export'));

    // Ensure we have a translation file.
    $this->assertRaw('# French translation of Drupal', t('Exported French translation file.'));
    // Ensure our imported translations exist in the file.
    $this->assertRaw('msgstr "lundi"', t('French translations present in exported file.'));
  }

  /**
   * Test exportation of translation template file.
   */
  function testExportTranslationTemplateFile() {
    // Get the translation template file.
    // There are two 'Export' buttons on this page, but it somehow works.  It'd
    // be better if we could use the submit button id like documented but that
    // doesn't work.
    $this->drupalPost('admin/config/regional/translate/export', array(), t('Export'));
    // Ensure we have a translation file.
    $this->assertRaw('# LANGUAGE translation of PROJECT', t('Exported translation template file.'));
  }

  /**
   * Helper function that returns a proper .po file.
   */
  function getPoFile() {
    return <<< EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 6\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\\n"

msgid "Monday"
msgstr "lundi"
EOF;
  }

}

/**
 * Locale uninstall with English UI functional test.
 */
class LocaleUninstallFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Locale uninstall (EN)',
      'description' => 'Tests the uninstall process using the built-in UI language.',
      'group' => 'Locale',
    );
  }

  /**
   * The default language set for the UI before uninstall.
   */
  protected $language;

  function setUp() {
    parent::setUp('locale');
    $this->language = 'en';
  }

  /**
   * Check if the values of the Locale variables are correct after uninstall.
   */
  function testUninstallProcess() {
    $locale_module = array('locale');

    // Add a new language and optionally set it as default.
    require_once DRUPAL_ROOT . '/includes/locale.inc';
    locale_add_language('fr', 'French', 'Français', LANGUAGE_LTR, '', '', TRUE, $this->language == 'fr');

    // Check the UI language.
    drupal_language_initialize();
    global $language;
    $this->assertEqual($language->language, $this->language, t('Current language: %lang', array('%lang' => $language->language)));

    // Enable multilingual workflow option for articles.
    variable_set('language_content_type_article', 1);

    // Change JavaScript translations directory.
    variable_set('locale_js_directory', 'js_translations');

    // Build the JavaScript translation file for French.
    $user = $this->drupalCreateUser(array('translate interface', 'access administration pages'));
    $this->drupalLogin($user);
    $this->drupalGet('admin/config/regional/translate/translate');
    $string = db_query('SELECT min(lid) AS lid FROM {locales_source} WHERE location LIKE :location AND textgroup = :textgroup', array(
      ':location' => '%.js%',
      ':textgroup' => 'default',
    ))->fetchObject();
    $edit = array('translations[fr]' => 'french translation');
    $this->drupalPost('admin/config/regional/translate/edit/' . $string->lid, $edit, t('Save translations'));
    _locale_rebuild_js('fr');
    $file = db_query('SELECT javascript FROM {languages} WHERE language = :language', array(':language' => 'fr'))->fetchObject();
    $js_file = 'public://' . variable_get('locale_js_directory', 'languages') . '/fr_' . $file->javascript . '.js';
    $this->assertTrue($result = file_exists($js_file), t('JavaScript file created: %file', array('%file' => $result ? $js_file : t('none'))));

    // Disable string caching.
    variable_set('locale_cache_strings', 0);

    // Change language negotiation options.
    drupal_load('module', 'locale');
    variable_set('language_types', drupal_language_types() + array('language_custom' => TRUE));
    variable_set('language_negotiation_' . LANGUAGE_TYPE_INTERFACE, locale_language_negotiation_info());
    variable_set('language_negotiation_' . LANGUAGE_TYPE_CONTENT, locale_language_negotiation_info());
    variable_set('language_negotiation_' . LANGUAGE_TYPE_URL, locale_language_negotiation_info());

    // Change language providers settings.
    variable_set('locale_language_negotiation_url_part', LOCALE_LANGUAGE_NEGOTIATION_URL_PREFIX);
    variable_set('locale_language_negotiation_session_param', TRUE);

    // Uninstall Locale.
    module_disable($locale_module);
    drupal_uninstall_modules($locale_module);

    // Visit the front page.
    $this->drupalGet('');

    // Check the init language logic.
    drupal_language_initialize();
    $this->assertEqual($language->language, 'en', t('Language after uninstall: %lang', array('%lang' => $language->language)));

    // Check JavaScript files deletion.
    $this->assertTrue($result = !file_exists($js_file), t('JavaScript file deleted: %file', array('%file' => $result ? $js_file : t('found'))));

    // Check language count.
    $language_count = variable_get('language_count', 1);
    $this->assertEqual($language_count, 1, t('Language count: %count', array('%count' => $language_count)));

    // Check language negotiation.
    require_once DRUPAL_ROOT . '/includes/language.inc';
    $this->assertTrue(count(language_types()) == count(drupal_language_types()), t('Language types reset'));
    $language_negotiation = language_negotiation_get(LANGUAGE_TYPE_INTERFACE) == LANGUAGE_NEGOTIATION_DEFAULT;
    $this->assertTrue($language_negotiation, t('Interface language negotiation: %setting', array('%setting' => t($language_negotiation ? 'none' : 'set'))));
    $language_negotiation = language_negotiation_get(LANGUAGE_TYPE_CONTENT) == LANGUAGE_NEGOTIATION_DEFAULT;
    $this->assertTrue($language_negotiation, t('Content language negotiation: %setting', array('%setting' => t($language_negotiation ? 'none' : 'set'))));
    $language_negotiation = language_negotiation_get(LANGUAGE_TYPE_URL) == LANGUAGE_NEGOTIATION_DEFAULT;
    $this->assertTrue($language_negotiation, t('URL language negotiation: %setting', array('%setting' => t($language_negotiation ? 'none' : 'set'))));

    // Check language providers settings.
    $this->assertFalse(variable_get('locale_language_negotiation_url_part', FALSE), t('URL language provider indicator settings cleared.'));
    $this->assertFalse(variable_get('locale_language_negotiation_session_param', FALSE), t('Visit language provider settings cleared.'));

    // Check JavaScript parsed.
    $javascript_parsed_count = count(variable_get('javascript_parsed', array()));
    $this->assertEqual($javascript_parsed_count, 0, t('JavaScript parsed count: %count', array('%count' => $javascript_parsed_count)));

    // Check multilingual workflow option for articles.
    $multilingual = variable_get('language_content_type_article', 0);
    $this->assertEqual($multilingual, 0, t('Multilingual workflow option: %status', array('%status' => t($multilingual ? 'enabled': 'disabled'))));

    // Check JavaScript translations directory.
    $locale_js_directory = variable_get('locale_js_directory', 'languages');
    $this->assertEqual($locale_js_directory, 'languages', t('JavaScript translations directory: %dir', array('%dir' => $locale_js_directory)));

    // Check string caching.
    $locale_cache_strings = variable_get('locale_cache_strings', 1);
    $this->assertEqual($locale_cache_strings, 1, t('String caching: %status', array('%status' => t($locale_cache_strings ? 'enabled': 'disabled'))));
  }
}

/**
 * Locale uninstall with French UI functional test.
 *
 * Because this class extends LocaleUninstallFunctionalTest, it doesn't require a new
 * test of its own. Rather, it switches the default UI language in setUp and then
 * runs the testUninstallProcess (which it inherits from LocaleUninstallFunctionalTest)
 * to test with this new language.
 */
class LocaleUninstallFrenchFunctionalTest extends LocaleUninstallFunctionalTest {
  public static function getInfo() {
    return array(
      'name' => 'Locale uninstall (FR)',
      'description' => 'Tests the uninstall process using French as interface language.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp();
    $this->language = 'fr';
  }
}


/**
 * Functional tests for the language switching feature.
 */
class LanguageSwitchingFunctionalTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Language switching',
      'description' => 'Tests for the language switching feature.',
      'group' => 'Locale',
    );
  }

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

    // Create and login user.
    $admin_user = $this->drupalCreateUser(array('administer blocks', 'administer languages', 'translate interface', 'access administration pages'));
    $this->drupalLogin($admin_user);
  }

  /**
   * Functional tests for the language switcher block.
   */
  function testLanguageBlock() {
    // Enable the language switching block.
    $language_type = LANGUAGE_TYPE_INTERFACE;
    $edit = array(
      "locale_{$language_type}[region]" => 'sidebar_first',
    );
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));

    // Add language.
    $edit = array(
      'langcode' => 'fr',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));

    // Set language negotiation.
    drupal_load('module', 'locale');
    include_once DRUPAL_ROOT . '/includes/language.inc';
    language_negotiation_set($language_type, locale_language_negotiation_info());

    // Assert that the language switching block is displayed on the frontpage.
    $this->drupalGet('');
    $this->assertText(t('Languages'), t('Language switcher block found.'));

    // Assert that only the current language is marked as active.
    list($language_switcher) = $this->xpath('//div[@id=:id]/div[@class="content"]', array(':id' => 'block-locale-' . $language_type));
    $links = array(
      'active' => array(),
      'inactive' => array(),
    );
    $anchors = array(
      'active' => array(),
      'inactive' => array(),
    );
    foreach ($language_switcher->ul->li as $link) {
      $classes = explode(" ", (string) $link['class']);
      list($language) = array_intersect($classes, array('en', 'fr'));
      if (in_array('active', $classes)) {
        $links['active'][] = $language;
      }
      else {
        $links['inactive'][] = $language;
      }
      $anchor_classes = explode(" ", (string) $link->a['class']);
      if (in_array('active', $anchor_classes)) {
        $anchors['active'][] = $language;
      }
      else {
        $anchors['inactive'][] = $language;
      }
    }
    $this->assertIdentical($links, array('active' => array('en'), 'inactive' => array('fr')), t('Only the current language list item is marked as active on the language switcher block.'));
    $this->assertIdentical($anchors, array('active' => array('en'), 'inactive' => array('fr')), t('Only the current language anchor is marked as active on the language switcher block.'));
  }
}

/**
 * Functional tests for a user's ability to change their default language.
 */
class LocaleUserLanguageFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'User language settings',
      'description' => "Tests user's ability to change their default language.",
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
  }

  /**
   * Test if user can change their default language.
   */
  function testUserLanguageConfiguration() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
    // User to change their default language.
    $web_user = $this->drupalCreateUser();

    // Add custom language.
    $this->drupalLogin($admin_user);
    // Code for the language.
    $langcode = 'xx';
    // The English name for the language.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = 'xx';
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));

    // Add custom language and disable it.
    // Code for the language.
    $langcode_disabled = 'xx-yy';
    // The English name for the language. This will be translated.
    $name_disabled = $this->randomName(16);
    // The native name for the language.
    $native_disabled = $this->randomName(16);
    // The domain prefix.
    $prefix_disabled = $langcode_disabled;
    $edit = array(
      'langcode' => $langcode_disabled,
      'name' => $name_disabled,
      'native' => $native_disabled,
      'prefix' => $prefix_disabled,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    // Disable the language.
    $edit = array(
      'enabled[' . $langcode_disabled . ']' => FALSE,
    );
    $this->drupalPost('admin/config/regional/language', $edit, t('Save configuration'));
    $this->drupalLogout();

    // Login as normal user and edit account settings.
    $this->drupalLogin($web_user);
    $path = 'user/' . $web_user->uid . '/edit';
    $this->drupalGet($path);
    // Ensure language settings fieldset is available.
    $this->assertText(t('Language settings'), t('Language settings available.'));
    // Ensure custom language is present.
    $this->assertText($name, t('Language present on form.'));
    // Ensure disabled language isn't present.
    $this->assertNoText($name_disabled, t('Disabled language not present on form.'));
    // Switch to our custom language.
    $edit = array(
      'language' => $langcode,
    );
    $this->drupalPost($path, $edit, t('Save'));
    // Ensure form was submitted successfully.
    $this->assertText(t('The changes have been saved.'), t('Changes were saved.'));
    // Check if language was changed.
    $elements = $this->xpath('//input[@id=:id]', array(':id' => 'edit-language-' . $langcode));
    $this->assertTrue(isset($elements[0]) && !empty($elements[0]['checked']), t('Default language successfully updated.'));

    $this->drupalLogout();
  }
}

/**
 * Functional test for language handling during user creation.
 */
class LocalUserCreationTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'User creation',
      'description' => 'Tests whether proper language is stored for new users and access to language selector.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
  }

  /**
   * Functional test for language handling during user creation.
   */
  function testLocalUserCreation() {
    // User to add and remove language and create new users.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages', 'administer users'));
    $this->drupalLogin($admin_user);

    // Add predefined language.
    $langcode = 'fr';
    $edit = array(
      'langcode' => 'fr',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));
    $this->assertText($langcode, t('Language added successfully.'));
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), t('Correct page redirection.'));

    // Set language negotiation.
    $edit = array(
      'language[enabled][locale-url]' => TRUE,
    );
    $this->drupalPost('admin/config/regional/language/configure', $edit, t('Save settings'));
    $this->assertText(t('Language negotiation configuration saved.'), t('Set language negotiation.'));

    // Check if the language selector is available on admin/people/create and
    // set to the currently active language.
    $this->drupalGet($langcode . '/admin/people/create');
    $this->assertFieldChecked("edit-language-$langcode", t('Global language set in the language selector.'));

    // Create a user with the admin/people/create form and check if the correct
    // language is set.
    $username = $this->randomName(10);
    $edit = array(
      'name' => $username,
      'mail' => $this->randomName(4) . '@example.com',
      'pass[pass1]' => $username,
      'pass[pass2]' => $username,
    );

    $this->drupalPost($langcode . '/admin/people/create', $edit, t('Create new account'));

    $user = user_load_by_name($username);
    $this->assertEqual($user->language, $langcode, t('New user has correct language set.'));

    // Register a new user and check if the language selector is hidden.
    $this->drupalLogout();

    $this->drupalGet($langcode . '/user/register');
    $this->assertNoFieldByName('language[fr]', t('Language selector is not accessible.'));

    $username = $this->randomName(10);
    $edit = array(
      'name' => $username,
      'mail' => $this->randomName(4) . '@example.com',
    );

    $this->drupalPost($langcode . '/user/register', $edit, t('Create new account'));

    $user = user_load_by_name($username);
    $this->assertEqual($user->language, $langcode, t('New user has correct language set.'));

    // Test if the admin can use the language selector and if the
    // correct language is was saved.
    $user_edit = $langcode . '/user/' . $user->uid . '/edit';

    $this->drupalLogin($admin_user);
    $this->drupalGet($user_edit);
    $this->assertFieldChecked("edit-language-$langcode", t('Language selector is accessible and correct language is selected.'));

    // Set pass_raw so we can login the new user.
    $user->pass_raw = $this->randomName(10);
    $edit = array(
      'pass[pass1]' => $user->pass_raw,
      'pass[pass2]' => $user->pass_raw,
    );

    $this->drupalPost($user_edit, $edit, t('Save'));

    $this->drupalLogin($user);
    $this->drupalGet($user_edit);
    $this->assertFieldChecked("edit-language-$langcode", t('Language selector is accessible and correct language is selected.'));
  }
}

/**
 * Functional tests for configuring a different path alias per language.
 */
class LocalePathFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Path language settings',
      'description' => 'Checks you can configure a language for individual url aliases.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale', 'path');
  }

  /**
   * Test if a language can be associated with a path alias.
   */
  function testPathLanguageConfiguration() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'create page content', 'administer url aliases', 'create url aliases', 'access administration pages'));

    // Add custom language.
    $this->drupalLogin($admin_user);
    // Code for the language.
    $langcode = 'xx';
    // The English name for the language.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));

    // Set language negotiation.
    drupal_load('module', 'locale');
    variable_set('language_negotiation_' . LANGUAGE_TYPE_CONTENT, locale_language_negotiation_info());

    // Create a node.
    $node = $this->drupalCreateNode(array('type' => 'page'));

    // Create a path alias in default language (English).
    $path = 'admin/config/search/path/add';
    $english_path = $this->randomName(8);
    $edit = array(
      'source'   => 'node/' . $node->nid,
      'alias'    => $english_path,
      'language' => 'en',
    );
    $this->drupalPost($path, $edit, t('Save'));

    // Create a path alias in new custom language.
    $custom_language_path = $this->randomName(8);
    $edit = array(
      'source'   => 'node/' . $node->nid,
      'alias'    => $custom_language_path,
      'language' => $langcode,
    );
    $this->drupalPost($path, $edit, t('Save'));

    // Confirm English language path alias works.
    $this->drupalGet($english_path);
    $this->assertText($node->title, t('English alias works.'));

    // Confirm custom language path alias works.
    $this->drupalGet($prefix . '/' . $custom_language_path);
    $this->assertText($node->title, t('Custom language alias works.'));

    $this->drupalLogout();
  }
}

/**
 * Functional tests for multilingual support on nodes.
 */
class LocaleContentFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Content language settings',
      'description' => 'Checks you can enable multilingual support on content types and configure a language for a node.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
  }

  /**
   * Test if a content type can be set to multilingual and language setting is
   * present on node add and edit forms.
   */
  function testContentTypeLanguageConfiguration() {
    global $base_url;

    // User to add and remove language.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'administer content types', 'access administration pages'));
    // User to create a node.
    $web_user = $this->drupalCreateUser(array('create article content', 'create page content', 'edit any page content'));

    // Add custom language.
    $this->drupalLogin($admin_user);
    // Code for the language.
    $langcode = 'xx';
    // The English name for the language.
    $name = $this->randomName(16);
    // The native name for the language.
    $native = $this->randomName(16);
    // The domain prefix.
    $prefix = $langcode;
    $edit = array(
      'langcode' => $langcode,
      'name' => $name,
      'native' => $native,
      'prefix' => $prefix,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));

    // Add disabled custom language.
    // Code for the language.
    $langcode_disabled = 'xx-yy';
    // The English name for the language.
    $name_disabled = $this->randomName(16);
    // The native name for the language.
    $native_disabled = $this->randomName(16);
    // The domain prefix.
    $prefix_disabled = $langcode_disabled;
    $edit = array(
      'langcode' => $langcode_disabled,
      'name' => $name_disabled,
      'native' => $native_disabled,
      'prefix' => $prefix_disabled,
      'direction' => '0',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add custom language'));
    // Disable second custom language.
    $path = 'admin/config/regional/language';
    $edit = array(
      'enabled[' . $langcode_disabled . ']' => FALSE,
    );
    $this->drupalPost($path, $edit, t('Save configuration'));

    // Set "Basic page" content type to use multilingual support.
    $this->drupalGet('admin/structure/types/manage/page');
    $this->assertText(t('Multilingual support'), t('Multilingual support fieldset present on content type configuration form.'));
    $edit = array(
      'language_content_type' => 1,
    );
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
    $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Basic page')), t('Basic page content type has been updated.'));
    $this->drupalLogout();

    // Verify language selection is not present on add article form.
    $this->drupalLogin($web_user);
    $this->drupalGet('node/add/article');
    // Verify language select list is not present.
    $this->assertNoFieldByName('language', '', t('Language select not present on add article form.'));

    // Verify language selection appears on add "Basic page" form.
    $this->drupalGet('node/add/page');
    // Verify language select list is present.
    $this->assertFieldByName('language', '', t('Language select present on add Basic page form.'));
    // Ensure enabled language appears.
    $this->assertText($name, t('Enabled language present.'));
    // Ensure disabled language doesn't appear.
    $this->assertNoText($name_disabled, t('Disabled language not present.'));

    // Create "Basic page" content.
    $node_title = $this->randomName();
    $node_body =  $this->randomName();
    $edit = array(
      'type' => 'page',
      'title' => $node_title,
      'body' => array($langcode => array(array('value' => $node_body))),
      'language' => $langcode,
    );
    $node = $this->drupalCreateNode($edit);
    // Edit the content and ensure correct language is selected.
    $path = 'node/' . $node->nid . '/edit';
    $this->drupalGet($path);
    $this->assertRaw('<option value="' . $langcode . '" selected="selected">' .  $name . '</option>', t('Correct language selected.'));
    // Ensure we can change the node language.
    $edit = array(
      'language' => 'en',
    );
    $this->drupalPost($path, $edit, t('Save'));
    $this->assertRaw(t('%title has been updated.', array('%title' => $node_title)), t('Basic page content updated.'));

    $this->drupalLogout();
  }
}

/**
 * Test UI language negotiation
 * 1. URL (PATH) > DEFAULT
 *    UI Language base on URL prefix, browser language preference has no
 *    influence:
 *      admin/config
 *        UI in site default language
 *      zh-hans/admin/config
 *        UI in Chinese
 *      blah-blah/admin/config
 *        404
 * 2. URL (PATH) > BROWSER > DEFAULT
 *        admin/config
 *          UI in user's browser language preference if the site has that
 *          language enabled, if not, the default language
 *        zh-hans/admin/config
 *          UI in Chinese
 *        blah-blah/admin/config
 *          404
 * 3. URL (DOMAIN) > DEFAULT
 *        http://example.com/admin/config
 *          UI language in site default
 *        http://example.cn/admin/config
 *          UI language in Chinese
 */
class UILanguageNegotiationTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'UI language negotiation',
      'description' => 'Test UI language switching by url path prefix and domain.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale', 'locale_test');
    require_once DRUPAL_ROOT . '/includes/language.inc';
    drupal_load('module', 'locale');
  }

  /**
   * Tests for language switching by URL path.
   */
  function testUILanguageNegotiation() {
    $admin_user = $this->drupalCreateUser(array('administer languages', 'translate interface', 'access administration pages'));
    $this->drupalLogin($admin_user);

    // A few languages to switch to.
    // This one is unknown, should get the default lang version.
    $language_unknown = 'blah-blah';
    // For testing browser lang preference.
    $language_browser_fallback = 'vi';
    // For testing path prefix.
    $language = 'zh-hans';
    // For setting browser language preference to 'vi'.
    $http_header_browser_fallback = array("Accept-Language: $language_browser_fallback;q=1");
    // For setting browser language preference to some unknown.
    $http_header_blah = array("Accept-Language: blah;q=1");

    // This domain should switch the UI to Chinese.
    $language_domain = 'example.cn';

    // Setup the site languages by installing two languages.
    require_once DRUPAL_ROOT . '/includes/locale.inc';
    locale_add_language($language_browser_fallback);
    locale_add_language($language);

    // We will look for this string in the admin/config screen to see if the
    // corresponding translated string is shown.
    $default_string = 'Configure languages for content and the user interface';

    // Set the default language in order for the translated string to be registered
    // into database when seen by t(). Without doing this, our target string
    // is for some reason not found when doing translate search. This might
    // be some bug.
    drupal_static_reset('language_list');
    $languages = language_list('enabled');
    variable_set('language_default', $languages[1]['vi']);
    // First visit this page to make sure our target string is searchable.
    $this->drupalGet('admin/config');
    // Now the t()'ed string is in db so switch the language back to default.
    variable_del('language_default');

    // Translate the string.
    $language_browser_fallback_string = "In $language_browser_fallback In $language_browser_fallback In $language_browser_fallback";
    $language_string = "In $language In $language In $language";
    // Do a translate search of our target string.
    $edit = array( 'string' => $default_string);
    $this->drupalPost('admin/config/regional/translate/translate', $edit, t('Filter'));
    // Should find the string and now click edit to post translated string.
    $this->clickLink('edit');
    $edit = array(
      "translations[$language_browser_fallback]" => $language_browser_fallback_string,
      "translations[$language]" => $language_string,
    );
    $this->drupalPost(NULL, $edit, t('Save translations'));

    // Configure URL language rewrite.
    variable_set('locale_language_negotiation_url_type', LANGUAGE_TYPE_INTERFACE);

    $tests = array(
      // Default, browser preference should have no influence.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LANGUAGE_NEGOTIATION_DEFAULT),
        'path' => 'admin/config',
        'expect' => $default_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > DEFAULT: no language prefix, UI language is default and the browser language preference setting is not used.',
      ),
      // Language prefix.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LANGUAGE_NEGOTIATION_DEFAULT),
        'path' => "$language/admin/config",
        'expect' => $language_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > DEFAULT: with language prefix, UI language is switched based on path prefix',
      ),
      // Default, go by browser preference.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LOCALE_LANGUAGE_NEGOTIATION_BROWSER),
        'path' => 'admin/config',
        'expect' => $language_browser_fallback_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > BROWSER: no language prefix, UI language is determined by browser language preference',
      ),
      // Prefix, switch to the language.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LOCALE_LANGUAGE_NEGOTIATION_BROWSER),
        'path' => "$language/admin/config",
        'expect' => $language_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > BROWSER: with langage prefix, UI language is based on path prefix',
      ),
      // Default, browser language preference is not one of site's lang.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LOCALE_LANGUAGE_NEGOTIATION_BROWSER, LANGUAGE_NEGOTIATION_DEFAULT),
        'path' => 'admin/config',
        'expect' => $default_string,
        'http_header' => $http_header_blah,
        'message' => 'URL (PATH) > BROWSER > DEFAULT: no language prefix and browser language preference set to unknown language should use default language',
      ),
    );

    foreach ($tests as $test) {
      $this->runTest($test);
    }

    // Unknown language prefix should return 404.
    variable_set('language_negotiation_' . LANGUAGE_TYPE_INTERFACE, locale_language_negotiation_info());
    $this->drupalGet("$language_unknown/admin/config", array(), $http_header_browser_fallback);
    $this->assertResponse(404, "Unknown language path prefix should return 404");

    // Setup for domain negotiation, first configure the language to have domain
    // URL.
    $edit = array('prefix' => '', 'domain' => "http://$language_domain");
    $this->drupalPost("admin/config/regional/language/edit/$language", $edit, t('Save language'));
    // Set the site to use domain language negotiation.

    $tests = array(
      // Default domain, browser preference should have no influence.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LANGUAGE_NEGOTIATION_DEFAULT),
        'locale_language_negotiation_url_part' => LOCALE_LANGUAGE_NEGOTIATION_URL_DOMAIN,
        'path' => 'admin/config',
        'expect' => $default_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (DOMAIN) > DEFAULT: default domain should get default language',
      ),
      // Language domain specific URL, we set the $_SERVER['HTTP_HOST'] in
      // locale_test.module hook_boot() to simulate this.
      array(
        'language_negotiation' => array(LOCALE_LANGUAGE_NEGOTIATION_URL, LANGUAGE_NEGOTIATION_DEFAULT),
        'locale_language_negotiation_url_part' => LOCALE_LANGUAGE_NEGOTIATION_URL_DOMAIN,
        'locale_test_domain' => $language_domain,
        'path' => 'admin/config',
        'expect' => $language_string,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (DOMAIN) > DEFAULT: domain example.cn should switch to Chinese',
      ),
    );

    foreach ($tests as $test) {
      $this->runTest($test);
    }
  }

  private function runTest($test) {
    if (!empty($test['language_negotiation'])) {
      $negotiation = array_flip($test['language_negotiation']);
      language_negotiation_set(LANGUAGE_TYPE_INTERFACE, $negotiation);
    }
    if (!empty($test['locale_language_negotiation_url_part'])) {
      variable_set('locale_language_negotiation_url_part', $test['locale_language_negotiation_url_part']);
    }
    if (!empty($test['locale_test_domain'])) {
      variable_set('locale_test_domain', $test['locale_test_domain']);
    }
    $this->drupalGet($test['path'], array(), $test['http_header']);
    $this->assertText($test['expect'], $test['message']);
  }
}

/**
 * Functional test for multilingual fields.
 */
class LocaleMultilingualFieldsFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Multilingual fields',
      'description' => 'Test multilingual support for fields.',
      'group' => 'Locale',
    );
  }

  function setUp() {
    parent::setUp('locale');
    // Setup users.
    $admin_user = $this->drupalCreateUser(array('administer languages', 'administer content types', 'access administration pages', 'create page content', 'edit own page content'));
    $this->drupalLogin($admin_user);

    // Add a new language.
    require_once DRUPAL_ROOT . '/includes/locale.inc';
    locale_add_language('it', 'Italian', 'Italiano', LANGUAGE_LTR, '', '', TRUE, FALSE);

    // Set "Basic page" content type to use multilingual support.
    $edit = array(
      'language_content_type' => 1,
    );
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
    $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Basic page')), t('Basic page content type has been updated.'));
  }

  /**
   * Test if field languages are correctly set through the node form.
   */
  function testMultilingualNodeForm() {
    // Create "Basic page" content.
    $langcode = LANGUAGE_NONE;
    $title_key = "title";
    $title_value = $this->randomName(8);
    $body_key = "body[$langcode][0][value]";
    $body_value = $this->randomName(16);

    // Create node to edit.
    $edit = array();
    $edit[$title_key] = $title_value;
    $edit[$body_key] = $body_value;
    $edit['language'] = 'en';
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the node exists in the database.
    $node = $this->drupalGetNodeByTitle($edit[$title_key]);
    $this->assertTrue($node, t('Node found in database.'));

    $assert = isset($node->body['en']) && !isset($node->body[LANGUAGE_NONE]) && $node->body['en'][0]['value'] == $body_value;
    $this->assertTrue($assert, t('Field language correctly set.'));

    // Change node language.
    $this->drupalGet("node/$node->nid/edit");
    $edit = array(
      $title_key => $this->randomName(8),
      'language' => 'it'
    );
    $this->drupalPost(NULL, $edit, t('Save'));
    $node = $this->drupalGetNodeByTitle($edit[$title_key]);
    $this->assertTrue($node, t('Node found in database.'));

    $assert = isset($node->body['it']) && !isset($node->body['en']) && $node->body['it'][0]['value'] == $body_value;
    $this->assertTrue($assert, t('Field language correctly changed.'));

    // Enable content language URL detection.
    language_negotiation_set(LANGUAGE_TYPE_CONTENT, array(LOCALE_LANGUAGE_NEGOTIATION_URL => 0));

    // Test multilingual field language fallback logic.
    $this->drupalGet("it/node/$node->nid");
    $this->assertRaw($body_value, t('Body correctly displayed using Italian as requested language'));

    $this->drupalGet("node/$node->nid");
    $this->assertRaw($body_value, t('Body correctly displayed using English as requested language'));
  }

  /*
   * Test multilingual field display settings.
   */
  function testMultilingualDisplaySettings() {
    // Create "Basic page" content.
    $langcode = LANGUAGE_NONE;
    $title_key = "title";
    $title_value = $this->randomName(8);
    $body_key = "body[$langcode][0][value]";
    $body_value = $this->randomName(16);

    // Create node to edit.
    $edit = array();
    $edit[$title_key] = $title_value;
    $edit[$body_key] = $body_value;
    $edit['language'] = 'en';
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the node exists in the database.
    $node = $this->drupalGetNodeByTitle($edit[$title_key]);
    $this->assertTrue($node, t('Node found in database.'));

    // Check if node body is showed.
    $this->drupalGet("node/$node->nid");
    $body = $this->xpath('//div[@id=:id]//div[@property="content:encoded"]/p', array(':id' => 'node-' . $node->nid));
    $this->assertEqual(current($body), $node->body['en'][0]['value'], 'Node body is correctly showed.');

    $settings['body[full][type]'] = 'hidden';
    $this->drupalPost('admin/structure/types/manage/page/display', $settings, t('Save'));
    $select = $this->xpath('//select[@id="edit-body-full-type"]/option[@selected="selected"]');
    // Check if body display is actually "hidden" for the "full" view mode.
    $this->assertEqual(current($select), '<Hidden>', 'Body display is actually "hidden" for the "full" view mode');
    $this->drupalGet("node/$node->nid");
    // Check if node body is not showed.
    $body = $this->xpath('//div[@id=:id]//div[@property="content:encoded"]/p', array(':id' => 'node-' . $node->nid));
    $this->assertFalse(is_array($body), 'Body correctly not showed.');
  }
}

/**
 * Functional tests for localizing date formats.
 */
class LocalizeDateFormatsFunctionalTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Localize date formats',
      'description' => 'Tests for the localization of date formats.',
      'group' => 'Locale',
    );
  }

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

    // Create and login user.
    $admin_user = $this->drupalCreateUser(array('administer site configuration', 'administer languages', 'access administration pages', 'create article content'));
    $this->drupalLogin($admin_user);
  }

  /**
   * Functional tests for localizing date formats.
   */
  function testLocalizeDateFormats() {
    // Add language.
    $edit = array(
      'langcode' => 'fr',
    );
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));

    // Set language negotiation.
    $language_type = LANGUAGE_TYPE_INTERFACE;
    $edit = array(
      "{$language_type}[enabled][locale-url]" => TRUE,
    );
    $this->drupalPost('admin/config/regional/language/configure', $edit, t('Save settings'));

    // Configure date formats.
    $this->drupalGet('admin/config/regional/date-time/locale');
    $this->assertText('Français', 'Configured languages appear.');
    $edit = array(
      'date_format_long' => 'd.m.Y - H:i',
      'date_format_medium' => 'd.m.Y - H:i',
      'date_format_short' => 'd.m.Y - H:i',
    );
    $this->drupalPost('admin/config/regional/date-time/locale/fr/edit', $edit, t('Save configuration'));
    $this->assertText(t('Configuration saved.'), 'French date formats updated.');
    $edit = array(
      'date_format_long' => 'j M Y - g:ia',
      'date_format_medium' => 'j M Y - g:ia',
      'date_format_short' => 'j M Y - g:ia',
    );
    $this->drupalPost('admin/config/regional/date-time/locale/en/edit', $edit, t('Save configuration'));
    $this->assertText(t('Configuration saved.'), 'English date formats updated.');

    // Create node content.
    $node = $this->drupalCreateNode(array('type' => 'article'));

    // Configure format for the node posted date changes with the language.
    $this->drupalGet('node/' . $node->nid);
    $english_date = format_date($node->created, 'custom', 'j M Y');
    $this->assertText($english_date, t('English date format appears'));
    $this->drupalGet('fr/node/' . $node->nid);
    $french_date = format_date($node->created, 'custom', 'd.m.Y');
    $this->assertText($french_date, t('French date format appears'));
  }
}
