dom/datastore/tests/file_notify_system_message.html
author Sean Lin <selin@mozilla.com>
Fri, 27 Jun 2014 15:58:47 +0800
changeset 200262 721eb8e94100c8947b6c00e22ea69b4462d6050b
parent 198526 3200ed3305db4b7b46c722fe098ddb56e43e402a
permissions -rw-r--r--
Bug 1014023 - [Datastore] Notify apps of changes in datastore without being opened. r=baku, r=gene

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for DataStore - notify updates with system messages</title>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
  <script type="application/javascript;version=1.7">

  var gStore;
  var gChangeId = null;
  var gChangeOperation = null;
  var gIsSystemMessageFired = false;

  function is(a, b, msg) {
    alert((a === b ? 'OK' : 'KO') + ' ' + msg)
  }

  function ok(a, msg) {
    alert((a ? 'OK' : 'KO')+ ' ' + msg)
  }

  function cbError() {
    alert('KO error');
  }

  function finish() {
    alert('DONE');
  }

  function testGetDataStores() {
    navigator.getDataStores('foo').then(function(stores) {
      is(stores.length, 1, "getDataStores('foo') returns 1 element");
      is(stores[0].name, 'foo', 'The dataStore.name is foo');
      is(stores[0].readOnly, false, 'The dataStore foo is not in readonly');

      gStore = stores[0];
      runTest();
    }, cbError);
  }

  function testStoreAdd(value, expectedId) {
    gStore.add(value).then(function(id) {
      is(id, expectedId, "store.add() is called");
    }, cbError);
  }

  function eventListener(evt) {
    ok(evt instanceof DataStoreChangeEvent, "DataStoreChangeEvent has been received");
    ok(evt, "OnChangeListener is called with data");
    is(/[0-9a-zA-Z]{8}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{12}/.test(evt.revisionId), true, "event.revisionId returns something");
    is(evt.id, gChangeId, "OnChangeListener is called with the right ID: " + evt.id);
    is(evt.operation, gChangeOperation, "OnChangeListener is called with the right operation:" + evt.operation + " " + gChangeOperation);
    runTest();
  }

  function onDatastoreUpdateFoo(message) {
    gIsSystemMessageFired = true;
    ok(true, "System message 'datastore-update-foo' has been received");
    runTest();
  }

  var tests = [
    // Test for GetDataStore.
    testGetDataStores,

    // Add onchange = function.
    function() {
      gStore.onchange = eventListener;
      is(gStore.onchange, eventListener, "onChange is set");
      runTest();
    },

    // Set system message handler.
    function() {
      navigator.mozSetMessageHandler('datastore-update-foo', onDatastoreUpdateFoo);
      runTest();
    },

    // Add.
    function() { gChangeId = 1; gChangeOperation = 'added';
                 testStoreAdd({ number: 42 }, 1); },

    // Remove event listener.
    function() {
      gStore.removeEventListener('change', eventListener);
      runTest();
    },

    // Ensure the system message has fired and no more pending ones.
    function() {
      // Periodically check whether the system message has fired.
      var timer = setInterval(function() {
        if (gIsSystemMessageFired) {
          clearInterval(timer);
          ok(true, "The system message has fired");
          ok(!navigator.mozHasPendingMessage('datastore-update-foo'), "No more pending system message");
          finish();
        }
      }, 1000);
    }
  ];

  function runTest() {
    if (tests.length) {
      var test = tests.shift();
      test();
    }
  }

  runTest();
  </script>
</pre>
</body>
</html>