devtools/server/tests/chrome/test_preference.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 Bug 943251 - Test preferences actor
   5 -->
   6 <head>
   7   <meta charset="utf-8">
   8   <title>Test Preference Actor</title>
   9   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
  11 </head>
  12 <body>
  13 <pre id="test">
  14 <script>
  15 "use strict";
  16
  17 function runTests() {
  18   const {require} = ChromeUtils.importESModule("resource://devtools/shared/loader/Loader.sys.mjs");
  19   const {DevToolsClient} = require("devtools/client/devtools-client");
  20   const {DevToolsServer} = require("devtools/server/devtools-server");
  21
  22   SimpleTest.waitForExplicitFinish();
  23
  24   DevToolsServer.init();
  25   DevToolsServer.registerAllActors();
  26
  27   const client = new DevToolsClient(DevToolsServer.connectPipe());
  28   client.connect().then(function onConnect() {
  29     return client.mainRoot.getFront("preference");
  30   }).then(function(p) {
  31     const prefs = {};
  32
  33     const localPref = {
  34       boolPref: true,
  35       intPref: 0x1234,
  36       charPref: "Hello World",
  37     };
  38
  39     function checkValues() {
  40       is(prefs.boolPref, localPref.boolPref, "read/write bool pref");
  41       is(prefs.intPref, localPref.intPref, "read/write int pref");
  42       is(prefs.charPref, localPref.charPref, "read/write string pref");
  43
  44       ["test.all.bool", "test.all.int", "test.all.string"].forEach(function(key) {
  45         let expectedValue;
  46         switch (Services.prefs.getPrefType(key)) {
  47           case Ci.nsIPrefBranch.PREF_STRING:
  48             expectedValue = Services.prefs.getCharPref(key);
  49             break;
  50           case Ci.nsIPrefBranch.PREF_INT:
  51             expectedValue = Services.prefs.getIntPref(key);
  52             break;
  53           case Ci.nsIPrefBranch.PREF_BOOL:
  54             expectedValue = Services.prefs.getBoolPref(key);
  55             break;
  56           default:
  57             ok(false, "unexpected pref type (" + key + ")");
  58             break;
  59         }
  60
  61         is(prefs.allPrefs[key].value, expectedValue,
  62            "valid preference value (" + key + ")");
  63         is(prefs.allPrefs[key].hasUserValue, Services.prefs.prefHasUserValue(key),
  64            "valid hasUserValue (" + key + ")");
  65       });
  66
  67       ["test.bool", "test.int", "test.string"].forEach(function(key) {
  68         ok(!prefs.allPrefs.hasOwnProperty(key), "expect no pref (" + key + ")");
  69         is(Services.prefs.getPrefType(key), Ci.nsIPrefBranch.PREF_INVALID,
  70            "pref (" + key + ") is clear");
  71       });
  72
  73       client.close().then(() => {
  74         DevToolsServer.destroy();
  75         SimpleTest.finish();
  76       });
  77     }
  78
  79     function checkUndefined() {
  80       let next = p.getCharPref("test.undefined");
  81       next = next.then(
  82         () => ok(false, "getCharPref should've thrown for an undefined preference"),
  83         (ex) => {
  84           const messageRe = new RegExp(
  85             "Protocol error \\(Error\\): preference is not of the right type: " +
  86             `test.undefined from: ${p.actorID} ` +
  87             "\\(resource://devtools/server/actors/preference.js:\\d+:\\d+\\)"
  88           );
  89           ok(messageRe.test(ex.message), "Error message matches the expected format");
  90         }
  91       );
  92       return next;
  93     }
  94
  95     function updatePrefsProperty(key) {
  96       return function(value) {
  97         prefs[key] = value;
  98       };
  99     }
 100
 101     p.getAllPrefs().then(updatePrefsProperty("allPrefs"))
 102     .then(() => p.setBoolPref("test.bool", localPref.boolPref))
 103     .then(() => p.setIntPref("test.int", localPref.intPref))
 104     .then(() => p.setCharPref("test.string", localPref.charPref))
 105     .then(() => p.getBoolPref("test.bool")).then(updatePrefsProperty("boolPref"))
 106     .then(() => p.getIntPref("test.int")).then(updatePrefsProperty("intPref"))
 107     .then(() => p.getCharPref("test.string")).then(updatePrefsProperty("charPref"))
 108     .then(() => p.clearUserPref("test.bool"))
 109     .then(() => p.clearUserPref("test.int"))
 110     .then(() => p.clearUserPref("test.string"))
 111     .then(() => checkUndefined())
 112     .then(checkValues);
 113   });
 114 }
 115
 116 window.onload = function() {
 117   SpecialPowers.pushPrefEnv({
 118     "set": [
 119       ["test.all.bool", true],
 120       ["test.all.int", 0x4321],
 121       ["test.all.string", "allizom"],
 122     ],
 123   }, runTests);
 124 };
 125 </script>
 126 </pre>
 127 </body>
 128 </html>