tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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state.https.html (2731B)

      1 <!DOCTYPE html>
      2 <script src="/resources/testharness.js"></script>
      3 <script src="/resources/testharnessreport.js"></script>
      4 <script src="resources/test-helpers.sub.js"></script>
      5 <body>
      6 <script>
      7 promise_test(function (t) {
      8    var currentState = 'test-is-starting';
      9    var scope = 'resources/state/';
     10 
     11    return service_worker_unregister_and_register(
     12        t, 'resources/empty-worker.js', scope)
     13      .then(function(registration) {
     14          t.add_cleanup(function() {
     15              return service_worker_unregister(t, scope);
     16            });
     17 
     18          var sw = registration.installing;
     19 
     20          assert_equals(sw.state, 'installing',
     21                        'the service worker should be in "installing" state.');
     22          checkStateTransition(sw.state);
     23          return onStateChange(sw);
     24        });
     25 
     26    function checkStateTransition(newState) {
     27        switch (currentState) {
     28        case 'test-is-starting':
     29            break; // anything goes
     30        case 'installing':
     31            assert_in_array(newState, ['installed', 'redundant']);
     32            break;
     33        case 'installed':
     34            assert_in_array(newState, ['activating', 'redundant']);
     35            break;
     36        case 'activating':
     37            assert_in_array(newState, ['activated', 'redundant']);
     38            break;
     39        case 'activated':
     40            assert_equals(newState, 'redundant');
     41            break;
     42        case 'redundant':
     43            assert_unreached('a ServiceWorker should not transition out of ' +
     44                             'the "redundant" state');
     45            break;
     46        default:
     47            assert_unreached('should not transition into unknown state "' +
     48                             newState + '"');
     49            break;
     50        }
     51        currentState = newState;
     52    }
     53 
     54    function onStateChange(expectedTarget) {
     55      return new Promise(function(resolve) {
     56            expectedTarget.addEventListener('statechange', resolve);
     57          }).then(function(event) {
     58            assert_true(event.target instanceof ServiceWorker,
     59                        'the target of the statechange event should be a ' +
     60                        'ServiceWorker.');
     61            assert_equals(event.target, expectedTarget,
     62                          'the target of the statechange event should be ' +
     63                          'the installing ServiceWorker');
     64            assert_equals(event.type, 'statechange',
     65                          'the type of the event should be "statechange".');
     66 
     67            checkStateTransition(event.target.state);
     68 
     69            if (event.target.state != 'activated')
     70                return onStateChange(expectedTarget);
     71          });
     72    }
     73 }, 'Service Worker state property and "statechange" event');
     74 </script>