/** * @covers WPSEO_Sitemaps::canonical */ public function test_canonical() { $url = site_url(); $this->assertNotEmpty(self::$class_instance->canonical($url)); set_query_var('sitemap', 'sitemap_value'); $this->assertFalse(self::$class_instance->canonical($url)); set_query_var('xsl', 'xsl_value'); $this->assertFalse(self::$class_instance->canonical($url)); }