1 files changed, 38 insertions, 0 deletions
diff --git a/dom/cache/test/mochitest/serviceworker_driver.js b/dom/cache/test/mochitest/serviceworker_driver.js
new file mode 100644
index 0000000000..3406cdcc05
--- /dev/null
+++ b/dom/cache/test/mochitest/serviceworker_driver.js
@@ -0,0 +1,38 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/publicdomain/zero/1.0/
+
+function serviceWorkerTestExec(testFile) {
+  return new Promise(function (resolve, reject) {
+    function setupSW(registration) {
+      var worker =
+        registration.installing || registration.waiting || registration.active;
+      var iframe;
+
+      window.addEventListener("message", function onMessage(event) {
+        if (event.data.context != "ServiceWorker") {
+          return;
+        }
+        if (event.data.type == "finish") {
+          window.removeEventListener("message", onMessage);
+          iframe.remove();
+          registration.unregister().then(resolve).catch(reject);
+        } else if (event.data.type == "status") {
+          ok(event.data.status, event.data.context + ": " + event.data.msg);
+        }
+      });
+
+      worker.onerror = reject;
+
+      iframe = document.createElement("iframe");
+      iframe.src = "message_receiver.html";
+      iframe.onload = function () {
+        worker.postMessage({ script: testFile });
+      };
+      document.body.appendChild(iframe);
+    }
+
+    navigator.serviceWorker
+      .register("worker_wrapper.js", { scope: "." })
+      .then(setupSW);
+  });
+}