materio-base-d7/sites/all/modules/contrib/seo/metatag/tests/metatag.core_tag_removal.test

<?php

/**
 * Tests for the Metatag module to ensure removal of core tags works correctly.
 */
class MetatagCoreTagRemovalTest extends MetatagTestHelper {

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

  /**
   * Test that the core meta tags work correctly.
   */
  function testCoreTagRemoval() {
    // The default generator string that both Metatag and Drupal core use.
    $generator_default = 'Drupal 7 (http://drupal.org)';

    // Load the front page.
    $this->drupalGet('<front>');
    $this->assertResponse(200);

    // Confirm that the Generator tag is the default.
    $xpath = $this->xpath("//meta[@name='generator']");
    $this->assertEqual(count($xpath), 1, 'Exactly one generator meta tag found.');
    $this->assertEqual($xpath[0]['content'], $generator_default);

    // Update the global config to remove the 'generator' value.
    $config = metatag_config_load('global');
    unset($config->config['generator']);
    metatag_config_save($config);
    // Dump out the current config, to aid with debugging.
    $this->verbose($config);

    // Load the front page.
    $this->drupalGet('<front>');
    $this->assertResponse(200);

    // Confirm that the Generator tag no longer exists.
    $xpath = $this->xpath("//meta[@name='generator']");
    $this->assertEqual(count($xpath), 0, 'No generator meta tag found.');

    // Tell Metatag to leave core's meta tags in place.
    variable_set('metatag_leave_core_tags', TRUE);

    // Clear the Metatag caches.
    metatag_flush_caches();

    // Clear the page caches.
    drupal_flush_all_caches();

    // Load the front page again.
    $this->drupalGet('<front>');
    $this->assertResponse(200);

    // Confirm that the Generator tag is the default again, i.e. core is
    // responsible for adding it. Also, core uses the meta tag name "Generator"
    // instead of 'generator' like Metatag uses.
    $xpath = $this->xpath("//meta[@name='Generator']");
    $this->assertEqual(count($xpath), 1, 'Exactly one generator meta tag found.');
    $this->assertEqual($xpath[0]['content'], $generator_default);
  }

}