locale.test

<?php
// $Id$

/**
 * @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', 'Language added successfully.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), '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)), 'Correct page redirection.');
    $this->assertText($langcode, 'Language code found.');
    $this->assertText($name, 'Name found.');
    $this->assertText($native, 'Native found.');
    $this->assertText($native, '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', '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', 'Default language updated.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), '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)), 'Correct page redirection.');
    $this->assertText(t('The default language cannot be deleted.'), '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', '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', 'Default language re-enabled.');

    // Ensure 'edit' link works.
    $this->clickLink(t('edit'));
    $this->assertTitle(t('Edit language | Drupal'), '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, 'The language has been updated.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), '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'), '"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)), 'Correct page redirection.');
    $this->assertRaw($name, '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)), 'The test language has been removed.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/language', array('absolute' => TRUE)), 'Correct page redirection.');
    // Verify that language is no longer found.
    $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
    $this->assertResponse(404, '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)), 'Correct page redirection.');
    $this->assertText(t('The English language cannot be deleted.'), '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, 'Language code found.');
    $this->assertText($name, 'Name found.');
    $this->assertText($native, '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, '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, 'Search found the name.');
    $this->assertRaw($language_indicator, '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, '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.'), 'The string has been saved.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), 'Correct page redirection.');
    $this->assertTrue($name != $translation && t($name, array(), array('langcode' => $langcode)) == $translation, 't() works.');
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    // The indicator should not be here.
    $this->assertNoRaw($language_indicator, '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'), 'String not found.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), '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)), 'The test language has been removed.');
    // Reload to remove $name.
    $this->drupalGet($path);
    $this->assertNoText($langcode, 'Language code not found.');
    $this->assertNoText($name, 'Name not found.');
    $this->assertNoText($native, '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'), '"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)), 'Correct page redirection.');
    $this->assertRaw($name, '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.'), 'The string has been removed message.');
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate/translate', array('absolute' => TRUE)), 'Correct page redirection.');
    $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
    $this->assertNoText($name, '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), 'JavaScript file created: ' . $result ? $js_file : t('not found'));

    // Test JavaScript translation rebuilding.
    file_unmanaged_delete($js_file);
    $this->assertTrue($result = !file_exists($js_file), 'JavaScript file deleted: ' . $result ? $js_file : t('found'));
    cache_clear_all();
    _locale_rebuild_js($langcode);
    $this->assertTrue($result = file_exists($js_file), 'JavaScript file rebuilt: ' . $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), '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'), 'The string was rejected as unsafe.');
      $this->assertNoText(t('The string has been saved.'), '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, '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.'), "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.'), '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.'), '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.'), "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.'), "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.'), '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.'), "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.'), "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')), '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)), '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, 'Plural number initialized.');

    // Ensure we were redirected correctly.
    $this->assertEqual($this->getUrl(), url('admin/config/regional/translate', array('absolute' => TRUE)), '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)), '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, '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)), '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)), 'Correct page redirection.');
    $this->assertText(t('File to import not found.'), '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)), '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.'), '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, '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)), '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.'), '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, '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.'), '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.'), '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', 'Long month name context is working.');
    $this->assertIdentical(t('May', array(), array('langcode' => 'hr')), 'Svi.', '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()) {
    $name = tempnam(file_directory_path('temporary'), "po_") . '.po';
    file_put_contents($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.
    $name = tempnam(file_directory_path('temporary'), "po_") . '.po';
    file_put_contents($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', 'Exported French translation file.');
    // Ensure our imported translations exist in the file.
    $this->assertRaw('msgstr "lundi"', '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', '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;
  }

}

/**
 * Tests for the st() function.
 */
class LocaleInstallTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'String translation using st()',
      'description' => 'Tests that st() works like t().',
      'group' => 'Locale',
    );
  }

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

    // st() lives in install.inc, so ensure that it is loaded for all tests.
    require_once DRUPAL_ROOT . '/includes/install.inc';
  }

  /**
   * Verify that function signatures of t() and st() are equal.
   */
  function testFunctionSignatures() {
    $reflector_t = new ReflectionFunction('t');
    $reflector_st = new ReflectionFunction('st');
    $this->assertEqual($reflector_t->getParameters(), $reflector_st->getParameters(), 'Function signatures of t() and st() are equal.');
  }
}

/**
 * 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',
    );
  }