gears/test/testcases/workerpool_createworkerfromurl_tests.js

   1 // Copyright 2007, Google Inc.
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  25
  26 var currentUrl = location.href;
  27
  28 var sameOriginPath =
  29   currentUrl.substring(0, 1 + currentUrl.lastIndexOf('/'));
  30 var sameOriginWorkerFile = '../testcases/workerpool_same_origin.js';
  31
  32 var crossOriginPath =
  33   'http://google-gears.googlecode.com/svn/trunk/gears/test/testcases/';
  34 var crossOriginWorkerFile = 'workerpool_cross_origin.js';
  35 var crossOriginWorkerFileNoPerms = 'workerpool_same_origin.js';
  36
  37 function testCreateWorkerFromUrl1() {
  38   startAsync();
  39
  40   var wp = google.gears.factory.create('beta.workerpool');
  41   wp.onmessage = function(text, sender, m) {
  42     completeAsync();
  43   }
  44   var childId = wp.createWorkerFromUrl(sameOriginWorkerFile);
  45   wp.sendMessage('PING1', childId);
  46 }
  47
  48 function testCreateWorkerFromUrl2() {
  49   startAsync();
  50
  51   // Cleanup any local DB before starting test.
  52   var db = google.gears.factory.create('beta.database');
  53   db.open('worker_js');
  54   db.execute('drop table if exists PING2').close();
  55   db.close();
  56
  57   var wp = google.gears.factory.create('beta.workerpool');
  58   wp.onmessage = function(text, sender, m) {
  59     // Worker database SHOULD exist in parent origin.
  60     var db = google.gears.factory.create('beta.database');
  61     db.open('worker_js');
  62     var rs = db.execute('select * from sqlite_master where name = ? limit 1',
  63                         ['PING2']);
  64     handleResult(rs, function(rs) {
  65       assert(rs.isValidRow(), 'PING2 table should have been created');
  66     });
  67     db.close();
  68     completeAsync();
  69   };
  70
  71   var childId = wp.createWorkerFromUrl(sameOriginPath + sameOriginWorkerFile);
  72   wp.sendMessage('PING2', childId);
  73 }
  74
  75 function testCreateWorkerFromUrl3() {
  76   startAsync();
  77
  78   // Cleanup any local DB before starting test.
  79   var db = google.gears.factory.create('beta.database');
  80   db.open('worker_js');
  81   db.execute('drop table if exists PING3').close();
  82   db.close();
  83
  84   var wp = google.gears.factory.create('beta.workerpool');
  85   wp.onmessage = function(text, sender, m) {
  86     // Worker database should NOT exist in parent origin.
  87     var db = google.gears.factory.create('beta.database');
  88     db.open('worker_js');
  89     var rs = db.execute('select * from sqlite_master where name = ? limit 1',
  90                         ['PING3']);
  91     handleResult(rs, function(rs) {
  92       assert(!rs.isValidRow(), 'PING3 table should not have been created');
  93     });
  94     db.close();
  95     completeAsync();
  96   };
  97
  98   // TODO(cprince): In dbg builds, add a 2nd param to createWorkerFromUrl()
  99   // so callers can simulate a different origin without being online.
 100   //if (!gIsDebugBuild) {
 101   var childId = wp.createWorkerFromUrl(crossOriginPath + crossOriginWorkerFile);
 102   //} else {
 103   //  var childId = wp.createWorkerFromUrl(sameOriginPath +
 104   //                                            crossOriginWorkerFile,
 105   //                                        crossOriginPath);
 106   //}
 107   wp.sendMessage('PING3', childId);
 108 }
 109
 110 function testCreateWorkerFromUrl4() {
 111   var workerUrl = '/non-existent-file.js';
 112
 113   waitForGlobalErrors([workerUrl]);
 114
 115   var wp = google.gears.factory.create('beta.workerpool');
 116   wp.createWorkerFromUrl(workerUrl);
 117 }
 118
 119 function testCreateWorkerFromUrl5() {
 120   var expectedError = 'Page does not have permission to use Google Gears';
 121
 122   var wp = google.gears.factory.create('beta.workerpool');
 123   // Have to keep a reference to the workerpool otherwise, sometimes the message
 124   // never gets processed!
 125   // TODO(aa): Investigate why this happens -- ThreadInfo objects are
 126   // AddRef()'ing the workerpool, so I would assume this shouldn't be possible.
 127   testCreateWorkerFromUrl5.wp = wp;
 128
 129   waitForGlobalErrors([expectedError]);
 130
 131   var childId = wp.createWorkerFromUrl(
 132     crossOriginPath + crossOriginWorkerFileNoPerms);
 133   // TODO(cprince): Could add debug-only origin override here too.
 134   wp.sendMessage('PING5', childId);
 135 }
 136
 137 function testOneShotWorkerFromUrl() {
 138   // Not having a global reference to wp or any callbacks causes this
 139   // GearsWorkerPool instance to get GC'd before page unload. This found a bug
 140   // where the HttpRequest used to load from url was getting destroyed from a
 141   // different thread than it was created on.
 142   var wp = google.gears.factory.create('beta.workerpool');
 143   wp.createWorkerFromUrl(sameOriginWorkerFile);
 144 }