<?php

/**
 * Tests for the Metatag module to ensure Locale integration doesn't break.
 */
class MetatagCoreLocaleTest extends MetatagTestHelper {

  /**
   * {@inheritdoc}
   */
  public static function getInfo() {
    return array(
      'name' => 'Metatag core tests for Locale',
      'description' => 'Test Metatag integration with the locale module.',
      'group' => 'Metatag',
      'dependencies' => array('ctools', 'token'),
    );
  }

  /**
   * {@inheritdoc}
   */
  function setUp(array $modules = array()) {
    // Need Locale for the multiple languages.
    $modules[] = 'locale';

    parent::setUp($modules);
  }

  /**
   * Test that the node form meta tag fields are translated correctly.
   */
  function testNodeFormTranslations() {
    $content_type = 'metatag_test';
    $content_type_path = str_replace('_', '-', $content_type);
    $label = 'Test';

    // Create a content type.
    $this->createContentType($content_type, $label);

    // Add more locales.
    $this->setupLocales();

    // Create an admin user and log them in.
    $perms = array(
      // Needed for the content type.
      'create ' . $content_type . ' content',
      'delete any ' . $content_type . ' content',
      'edit any ' . $content_type . ' content',

      // Locale items.
      'administer languages',
      'translate interface',
    );
    $this->adminUser = $this->createAdminUser($perms);

    // Log in the admin user.
    $this->drupalLogin($this->adminUser);

    // Load the node form in each locale, confirm it has the fields. This also
    // preloads the field labels into the locale system.
    foreach (array('French' => 'fr', 'English' => '') as $lang => $langcode) {
      $path = 'node/add/' . $content_type_path;
      if (!empty($langcode)) {
        $path = $langcode . '/' . $path;
      }

      // Load the node form in French to prep the translation strings.
      $this->drupalGet($path);
      $this->assertResponse(200);

      // Verify the page loaded correctly.
      // @todo Update this to extract the page title.
      $this->assertText(strip_tags(t('Create @name', array('@name' => $label))));

      // Confirm the Metatag fields are present.
      $this->assertField('edit-metatags-und-title-value', 'Found the page title meta tag');
      $xpath = $this->xpath("//label[@for='edit-metatags-und-title-value']");
      $this->assertEqual(count($xpath), 1, 'Exactly one page title field found.');
      // Need to trim() the xpath results because Field API adds a space after
      // every field's label.
      $this->assertEqual(trim((string)$xpath[0]), 'Page title');

      $this->assertField('edit-metatags-und-description-value', 'Found the description meta tag');
      $xpath = $this->xpath("//label[@for='edit-metatags-und-description-value']");
      $this->assertEqual(count($xpath), 1, 'Exactly one description field found.');
      // Need to trim() the xpath results because Field API adds a space after
      // every field's label.
      $this->assertEqual(trim((string)$xpath[0]), 'Description');
    }

    // Translate the page title and description fields.
    $textgroup = 'default';
    $context = '';
    $langcode = 'fr';
    $title_source = 'Page title';
    $title_target = 'Le page title';
    $lid = $this->getTranslationLidBySource($title_source, $textgroup);
    $this->assertNotEqual($lid, 0, 'Found the locales_source string for the page title tag.');
    $this->saveTranslationString($lid, $context, $langcode, $title_source, $title_target);
    $desc_source= 'Description';
    $desc_target = 'Le description';
    $lid = $this->getTranslationLidBySource($desc_source, $textgroup);
    $this->assertNotEqual($lid, 0, 'Found the locales_source string for the description tag.');
    $this->saveTranslationString($lid, $context, $langcode, $desc_source, $desc_target);

    // Clear the metatag_get_info() cache since translated strings have changed.
    metatag_config_cache_clear();

    // Load the French node form again.
    $this->drupalGet('fr/node/add/' . $content_type_path);
    $this->assertResponse(200);

    // Verify the title field's label was translated.
    $xpath = $this->xpath("//label[@for='edit-metatags-und-title-value']");
    $this->assertEqual(count($xpath), 1, 'Exactly one page title field found.');
    // Need to trim() the xpath results because Field API adds a space after
    // every field's label.
    $this->assertEqual(trim((string)$xpath[0]), $title_target);

    // Verify the description field's label was translated.
    $xpath = $this->xpath("//label[@for='edit-metatags-und-description-value']");
    $this->assertEqual(count($xpath), 1, 'Exactly one description field found.');
    // Need to trim() the xpath results because Field API adds a space after
    // every field's label.
    $this->assertEqual(trim((string)$xpath[0]), $desc_target);
  }

  /**
   * Verify language meta tags don't output LANGUAGE_NONE / 'und'.
   */
  function testLanguageNone() {
    // Set the global node defaults to set "content-language" to the node's
    // language.
    $config = metatag_config_load('node');
    $config->config['content-language']['value'] = '[node:language]';
    metatag_config_save($config);

    // Create a test node.
    $node = $this->drupalCreateNode();
    $this->assertEqual($node->language, LANGUAGE_NONE);

    // Load the node page, confirm that the "content-language" meta tag is not
    // output.
    $this->drupalGet('node/' . $node->nid);
    $xpath = $this->xpath("//meta[@http-equiv='content-language']");
    $this->assertEqual(count($xpath), 0, 'The content-language meta tag was not found.');
  }

  // @todo Make sure the meta tag fields are displayed in the correct locale.
  // @todo Make sure the node records are stored with the correct language.
}