dom/serviceworkers/test/browser_cached_force_refresh.html

   1 <!--
   2   Any copyright is dedicated to the Public Domain.
   3   http://creativecommons.org/publicdomain/zero/1.0/
   4 -->
   5 <!DOCTYPE HTML>
   6 <html>
   7 <head>
   8 </head>
   9 <body>
  10 <script type="text/javascript">
  11 function ok(exp, msg) {
  12   if (!exp) {
  13     throw(msg);
  14   }
  15 }
  16
  17 function is(actual, expected, msg) {
  18   if (actual !== expected) {
  19     throw('got "' + actual + '", but expected "' + expected + '" - ' + msg);
  20   }
  21 }
  22
  23 function fail(err) {
  24   window.dispatchEvent(new Event("cached-failure", { bubbles: true, detail: err }));
  25 }
  26
  27 function getUncontrolledClients(sw) {
  28   return new Promise(function(resolve, reject) {
  29     navigator.serviceWorker.addEventListener('message', function onMsg(evt) {
  30       if (evt.data.type === 'CLIENTS') {
  31         navigator.serviceWorker.removeEventListener('message', onMsg);
  32         resolve(evt.data.detail);
  33       }
  34     });
  35     sw.postMessage({ type: 'GET_UNCONTROLLED_CLIENTS' })
  36   });
  37 }
  38
  39 addEventListener('load', function(event) {
  40   if (!navigator.serviceWorker.controller) {
  41     fail(window.location.href + ' is not controlled!');
  42     return;
  43   }
  44
  45   getUncontrolledClients(navigator.serviceWorker.controller)
  46     .then(function(clientList) {
  47       is(clientList.length, 1, 'should only have one client');
  48       is(clientList[0].url, window.location.href,
  49          'client url should match current window');
  50       is(clientList[0].frameType, 'top-level',
  51          'client should be a top-level window');
  52       window.dispatchEvent(new Event('cached-load', { bubbles: true }));
  53     })
  54     .catch(function(err) {
  55       fail(err);
  56     });
  57 });
  58 </script>
  59 </body>
  60 </html>