Issue 1561 - Move unit tests out of the browser`s content area

chrome/content/tests/policy.js

 (function()
 {
   let server = null;
   let frame = null;
   let requestNotifier = null;
 
   module("Content policy", {
     setup: function()
     {
       prepareFilterComponents.call(this);
       preparePrefs.call(this);
 
       server = new nsHttpServer();
       server.start(1234);
 
-      frame = document.createElement("iframe");
+      frame = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "iframe");
+      frame.setAttribute("type", "content");
       frame.style.visibility = "collapse";
       document.body.appendChild(frame);
 
-      requestNotifier = new RequestNotifier(window, onPolicyHit);
+      requestNotifier = new RequestNotifier(frame.contentWindow, onPolicyHit);
     },
     teardown: function()
     {
       restoreFilterComponents.call(this);
       restorePrefs.call(this);
 
       stop();
       server.stop(function()
       {
         frame.parentElement.removeChild(frame);
@@ skipping 29 matching lines @@
       '<iframe src="data:text/html,%3Cinput%20type%3D%22image%22%20src%3D%22http%3A%2F%2F127.0.0.1:1234%2Ftest.gif%22%3E"></iframe>',
       "http://127.0.0.1:1234/test.gif", "image", false, false
     ],
     [
       "HTML image button inside a nested frame",
       '<iframe src="data:text/html,%3Ciframe%20src%3D%22data%3Atext%2Fhtml%2C%253Cinput%2520type%253D%2522image%2522%2520src%253D%2522http%253A%252F%252F127.0.0.1%3A1234%252Ftest.gif%2522%253E%22%3E%3C%2Fiframe%3E"></iframe>',
       "http://127.0.0.1:1234/test.gif", "image", false, false
     ],
     [
       "Dynamically inserted image button",
-      '<div id="insert"></div><script>window.addEventListener("DOMContentLoaded", function() { var div = document.getElementById("insert"); div.innerHTML = \'<input type="image" id="image" src="test.gif">\'; var image = document.getElementById("image"); image.onload = image.onerror = function () { parent.postMessage("loaded", "*"); }; }, false);<' + '/script>',
+      '<div id="insert"></div>' +
+      '<script>' +
+        'window.addEventListener("DOMContentLoaded", function()' +
+        '{' +
+          'var div = document.getElementById("insert");' +
+          'div.innerHTML = \'<input type="image" id="image" src="test.gif">\';' +
+          'var image = document.getElementById("image");' +
+          'image.onload = image.onerror = function ()' +
+          '{' +
+            'document.dispatchEvent(new CustomEvent("abp:frameready", {bubbles: true}));' +
+          '};' +
+        '}, false);' +
+      '</script>',
       "http://127.0.0.1:1234/test.gif", "image", false, true
     ],
     [
       "CSS background-image",
       '<div style="background-image: url(test.gif)"></div>',
       "http://127.0.0.1:1234/test.gif", "image", false, false
     ],
     [
       "CSS cursor",
       '<div style="cursor: url(test.gif), pointer"></div>',
@@ skipping 64 matching lines @@
       '<img src="redirect2.gif">',
       "http://127.0.0.1:1234/test.gif", "image", false, false
     ],
     [
       "CSS fonts",
       '<style type="text/css">@font-face { font-family: Test; src: url("test.otf"); } html { font-family: Test; }</style>',
       "http://127.0.0.1:1234/test.otf", "font", false, false
     ],
     [
       "XMLHttpRequest loading",
-      '<script>var request = new XMLHttpRequest();request.open("GET", "test.xml", false);request.send(null);</script>',
+      '<script>' +
+        'try' +
+        '{' +
+          'var request = new XMLHttpRequest();' +
+          'request.open("GET", "test.xml", false);' +
+          'request.send(null);' +
+        '}' +
+        'catch(e){}' +
+      '</script>',
       "http://127.0.0.1:1234/test.xml", "xmlhttprequest", false, false
     ],
     [
       "XML document loading",
-      '<script>var xmlDoc = document.implementation.createDocument(null, "root", null);xmlDoc.async = false;xmlDoc.load("test.xml")</script>',
+      '<script>' +
+        'try' +
+        '{' +
+          'var xmlDoc = document.implementation.createDocument(null, "root", null);' +
+          'xmlDoc.async = false;' +
+          'xmlDoc.load("test.xml");' +
+        '}' +
+        'catch(e){}' +
+      '</script>',
       "http://127.0.0.1:1234/test.xml", "xmlhttprequest", false, false
     ],
     [
       "Web worker",
-      '<script>try { var worker = new Worker("test.js"); worker.onerror = function() { parent.postMessage("loaded", "*"); }; } catch (e) { parent.postMessage("error", "*"); }</script>',
+      '<script>' +
+        'var e = new CustomEvent(\'abp:frameready\', {bubbles: true});' +
+        'try' +
+        '{' +
+          'var worker = new Worker("test.js");' +
+          'worker.onerror = function(event)' +
+          '{' +
+            'event.preventDefault();' +
+            'document.dispatchEvent(e);' +
+          '};' +
+        '}' +
+        'catch (x)' +
+        '{' +
+          'document.dispatchEvent(e);' +
+        '}' +
+      '</script>',
       "http://127.0.0.1:1234/test.js", "script", false, true
     ],
   ];
 
   if (window.navigator.mimeTypes["application/x-shockwave-flash"] && window.navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin)
   {
     tests.push([
       "HTML embed (Flash)",
       '<embed type="application/x-shockwave-flash" src="test.swf"></embed>' +
         '<script>var r = new XMLHttpRequest();r.open("GET", "", false);r.send(null);</script>',
@@ skipping 40 matching lines @@
     if (policyHits.length > 0)
     {
       // Ignore duplicate policy calls (possible due to prefetching)
       let [prevWnd, prevNode, prevItem] = policyHits[policyHits.length - 1];
       if (prevWnd == wnd && prevItem.location == item.location && prevItem.type == item.type &&  prevItem.docDomain == item.docDomain)
         policyHits.pop();
     }
     policyHits.push([wnd, node, item]);
   }
 
-  function runTest([name, body, expectedURL, expectedType, expectedThirdParty, waitForMessage], stage)
+  function runTest([name, body, expectedURL, expectedType, expectedThirdParty, explicitEvent], stage)
   {
     defaultMatcher.clear();
 
     if (stage > 1)
       defaultMatcher.add(Filter.fromText(expectedURL));
     if (stage == 3)
       defaultMatcher.add(Filter.fromText("@@||127.0.0.1:1234/test|$document"));
     if (stage == 4)
       defaultMatcher.add(Filter.fromText("@@||127.0.0.1:1234/test|$~document"));
 
+    if (!explicitEvent)
+    {
+      if (body.indexOf("2000/svg") >= 0)
+      {
+        // SVG image: add an onload attribute to the document element
+        body = body.replace(/(<svg\b)/, '$1 onload="this.dispatchEvent(new CustomEvent(\'abp:frameready\', {bubbles: true}));"');
+      }
+      else
+      {
+        // HTML data: wrap it into a <body> tag
+        body = '<body onload="this.dispatchEvent(new CustomEvent(\'abp:frameready\', {bubbles: true}));">' + body + '</body>';
+      }
+    }
+
     let serverHit = false;
     server.registerPathHandler("/test", function(metadata, response)
     {
       response.setStatusLine("1.1", "200", "OK");
 
       let contentType = "text/html";
       if (body.indexOf("2000/svg") >= 0)
         contentType = "image/svg+xml";
       response.setHeader("Content-Type", contentType + "; charset=utf-8");
 
@@ skipping 40 matching lines @@
 
           equal(actualStatus, expectedStatus, "Request blocked");
           equal(item.typeDescr.toLowerCase(), expectedType, "Request type");
           equal(item.thirdParty, expectedThirdParty, "Third-party flag");
           equal(item.docDomain, "127.0.0.1", "Document domain");
         }
       }
       server.registerPathHandler(expectedURL.replace(/http:\/\/[^\/]+/, ""), null);
       equal(serverHit, expectedStatus == "allowed", "Request received by server");
 
-      window.removeEventListener("message", callback, false);
-      frame.removeEventListener("load", callback, false);
+      frame.removeEventListener("abp:frameready", callback, false);
 
       start();
     };
-    frame.contentWindow.location.href = "http://127.0.0.1:1234/test";
-
-    if (waitForMessage)
-      window.addEventListener("message", callback, false, true);
-    else
-      frame.addEventListener("load", callback, false);
+    frame.addEventListener("abp:frameready", callback, false, true);
+    frame.setAttribute("src", "http://127.0.0.1:1234/test");
   }
 
   let stageDescriptions = {
     1: "running without filters",
     2: "running with filter %S",
     3: "running with filter %S and site exception",
     4: "running with filter %S and exception not applicable to sites",
   };
 
   for (let test = 0; test < tests.length; test++)
   {
     let [name, body, expectedURL, expectedType, expectedDomain, expectedThirdParty] = tests[test];
     for (let stage = 1; stage in stageDescriptions; stage++)
     {
       let stageDescription = stageDescriptions[stage];
       if (stageDescription.indexOf("%S") >= 0)
         stageDescription = stageDescription.replace("%S", expectedURL);
 
       asyncTest(name + " (" + stageDescription + ")", runTest.bind(null, tests[test], stage));
     }
   }
 })();