dom/settings/tests/test_settings_blobs.html
author Ed Morley <emorley@mozilla.com>
Tue, 19 Aug 2014 09:17:06 +0100
changeset 200206 a3f9b8f4010b334e7627454c84c2630d7e8ead80
parent 200201 b01c7abafbdf9005f8d57cf5623f39189eae93fc
child 200414 9d38e890184789602fec6f25726a46cc77d2ab93
permissions -rw-r--r--
Backed out changeset b01c7abafbdf (bug 846200)

<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=821630
-->
<head>
  <title>Test for Bug 821630 Settings API</title>
  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=821630">Mozilla Bug 821630</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" type="text/javascript;version=1.7">

"use strict";

if (SpecialPowers.isMainProcess()) {
  SpecialPowers.Cu.import("resource://gre/modules/SettingsChangeNotifier.jsm");
}

SpecialPowers.addPermission("settings-read", true, document);
SpecialPowers.addPermission("settings-write", true, document);

function onUnwantedSuccess() {
  ok(false, "onUnwantedSuccess: shouldn't get here");
}

function onFailure() {
  return function(s) {
    if (s) {
      ok(false, "in on Failure! - " + s);
    } else {
      ok(false, "in on Failure!");
    }
  }
}

let mozSettings = window.navigator.mozSettings;
let req;

let storedBlob = new Blob(['12345'], {"type": "text/plain"});

function checkBlob(blob) {
  try {
    let url = URL.createObjectURL(blob);
    ok(true, "Valid blob");
  } catch (e) {
    ok(false, "Valid blob");
  }
}

let steps = [
  function() {
    let lock = mozSettings.createLock();
    req = lock.clear();
    req.onsuccess = next;
    req.onerror = onFailure("Deleting database");
  },
  function() {
    function obs(e) {
      checkBlob(e.settingValue);
      mozSettings.removeObserver("test1", obs);
      next();
    }
    mozSettings.addObserver("test1", obs);
    next();
  },
  function() {
    // next is called by the observer above
    let req = mozSettings.createLock().set({"test1": storedBlob});
    req.onerror = onFailure("Saving blob");
  },
  function() {
    let req = mozSettings.createLock().get("test1");
    req.onsuccess = function(event) {
      checkBlob(event.target.result["test1"]);
      next();
    };
    req.onerror = onFailure("Getting blob");
  },
  function() {
    let req = mozSettings.createLock().set({"test2": [1, 2, storedBlob, 4]});
    req.onsuccess = next;
    req.onerror = onFailure("Saving array");
  },
  function() {
    let req = mozSettings.createLock().get("test2");
    req.onsuccess = function(event) {
      let val = event.target.result["test2"];
      ok(Array.isArray(val), "Result is an array");
      ok(val[0] == 1 && val[1] == 2 && val[3] == 4, "Primitives are preserved");
      checkBlob(val[2]);
      next();
    };
    req.onerror = onFailure("Getting array");
  },
  function() {
    let req = mozSettings.createLock().set({"test3": {foo: "bar", baz: {number: 1, arr: [storedBlob]}}});
    req.onsuccess = next();
    req.onerror = onFailure("Saving object");
  },
  function() {
    let req = mozSettings.createLock().get("test3");
    req.onsuccess = function(event) {
      let val = event.target.result["test3"];
      ok(typeof(val) == "object", "Result is an object");
      ok("foo" in val && typeof(val.foo) == "string", "String property preserved");
      ok("baz" in val && typeof(val.baz) == "object", "Object property preserved");
      let baz = val.baz;
      ok("number" in baz && baz.number == 1, "Primite inside object preserved");
      ok("arr" in baz && Array.isArray(baz.arr), "Array inside object is preserved");
      checkBlob(baz.arr[0]);
      next();
    };
    req.onerror = onFailure("Getting object");
  },
  function() {
    let req = mozSettings.createLock().clear();
    req.onsuccess = function() {
      next();
    };
    req.onerror = onFailure("Deleting database");
  },
  function () {
    ok(true, "all done!\n");
    SimpleTest.finish();
  }
];

function next() {
  try {
    let step = steps.shift();
    if (step) {
      step();
    }
  } catch(ex) {
    ok(false, "Caught exception", ex);
  }
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(next);
</script>
</pre>
</body>
</html>