/**
  * @covers WPSEO_Frontend::robots_for_single_post
  */
 public function test_robots_for_single_post()
 {
     // create and go to post
     $post_id = $this->factory->post->create();
     $this->go_to(get_permalink($post_id));
     $robots = array('index' => 'index', 'follow' => 'follow', 'other' => array());
     $expected = $robots;
     // test noindex
     WPSEO_Meta::set_value('meta-robots-noindex', '1', $post_id);
     $expected['index'] = 'noindex';
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
     // test nofollow
     WPSEO_Meta::set_value('meta-robots-nofollow', 1, $post_id);
     $expected['follow'] = 'nofollow';
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
     // test noodp with default meta-robots-adv
     self::$class_instance->options['noodp'] = true;
     $expected['other'] = array('noodp');
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
     // test noydir with default meta-robots-adv
     self::$class_instance->options['noydir'] = true;
     $expected['other'] = array('noodp', 'noydir');
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
     // test meta-robots adv noodp and nosnippet
     WPSEO_Meta::set_value('meta-robots-adv', 'noodp,nosnippet', $post_id);
     $expected['other'] = array('noodp', 'nosnippet');
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
     WPSEO_Meta::set_value('meta-robots-noindex', '2', $post_id);
     $expected['index'] = 'index';
     $this->assertEquals($expected, self::$class_instance->robots_for_single_post($robots, $post_id));
 }