public function test__args__placeholder()
 {
     $source = '<iframe src="https://example.com/video/132886713" width="500" height="281"></iframe>';
     $expected = '<amp-iframe src="https://example.com/video/132886713" width="500" height="281" sandbox="allow-scripts allow-same-origin" sizes="(min-width: 500px) 500px, 100vw" class="amp-wp-enforced-sizes"><div placeholder="" class="amp-wp-iframe-placeholder"></div></amp-iframe>';
     $dom = AMP_DOM_Utils::get_dom_from_content($source);
     $sanitizer = new AMP_Iframe_Sanitizer($dom, array('add_placeholder' => true));
     $sanitizer->sanitize();
     $content = AMP_DOM_Utils::get_content_from_dom($dom);
     $this->assertEquals($expected, $content);
 }
 public function test_get_scripts__did_convert()
 {
     $source = '<iframe src="https://player.vimeo.com/video/132886713" width="500" height="281"></iframe>';
     $expected = array('amp-iframe' => 'https://cdn.ampproject.org/v0/amp-iframe-0.1.js');
     $dom = AMP_DOM_Utils::get_dom_from_content($source);
     $sanitizer = new AMP_Iframe_Sanitizer($dom);
     $sanitizer->sanitize();
     $scripts = $sanitizer->get_scripts();
     $this->assertEquals($expected, $scripts);
 }