Bug 1147699 - Part 8: Add a test for FetchEvent.request.context when intercepting a CSP report; r=nsm

dom/workers/test/serviceworkers/fetch/context/context_test.js

@@ -1,7 +1,8 @@
 self.addEventListener("fetch", function(event) {
   if (event.request.url.indexOf("index.html") >= 0 ||
       event.request.url.indexOf("register.html") >= 0 ||
-      event.request.url.indexOf("unregister.html") >= 0) {
+      event.request.url.indexOf("unregister.html") >= 0 ||
+      event.request.url.indexOf("csp-violate.sjs") >= 0) {
     // Handle pass-through requests
     event.respondWith(fetch(event.request));
   } else if (event.request.url.indexOf("fetch.txt") >= 0) {
@@ -31,6 +32,14 @@ self.addEventListener("fetch", function(event) {
     } else {
       event.respondWith(fetch(event.request));
     }
+  } else if (event.request.url.indexOf("csp-report.sjs") >= 0) {
+    event.respondWith(clients.matchAll()
+                      .then(function(clients) {
+                        clients.forEach(function(c) {
+                          c.postMessage({data: "csp-report", context: event.request.context});
+                        });
+                        return new Response("ack");
+                      }));
   }
   // Fail any request that we don't know about.
   try {

dom/workers/test/serviceworkers/fetch/context/csp-violate.sjs

@@ -0,0 +1,6 @@
+function handleRequest(request, response)
+{
+  response.setHeader("Content-Security-Policy", "default-src 'none'; report-uri /tests/dom/workers/test/serviceworkers/fetch/context/csp-report.sjs", false);
+  response.setHeader("Content-Type", "text/html", false);
+  response.write("<link rel=stylesheet href=style.css>");
+}

dom/workers/test/serviceworkers/fetch/context/index.html

@@ -95,6 +95,21 @@
       });
   }
 
+  function testCSPReport() {
+    return new Promise(function(resolve, reject) {
+      var iframe = document.createElement("iframe");
+      iframe.src = "csp-violate.sjs";
+      document.documentElement.appendChild(iframe);
+      navigator.serviceWorker.addEventListener("message", function onMessage(e) {
+        if (e.data.data == "csp-report") {
+          is(e.data.context, "cspreport", "Expected the cspreport context on a CSP violation report");
+          navigator.serviceWorker.removeEventListener("message", onMessage);
+          resolve();
+        }
+      }, false);
+    });
+  }
+
   Promise.all([
     testFetch(),
     testImage(),
@@ -103,6 +118,7 @@
     testAudio(),
     testVideo(),
     testBeacon(),
+    testCSPReport(),
   ])
   .then(function() {
     finish();

dom/workers/test/serviceworkers/mochitest.ini

@@ -33,6 +33,7 @@ support-files =
   fetch/context/realimg.jpg
   fetch/context/realaudio.ogg
   fetch/context/beacon.sjs
+  fetch/context/csp-violate.sjs
   fetch/https/index.html
   fetch/https/register.html
   fetch/https/unregister.html