diff -r 000000000000 -r 6474c204b198 webapprt/test/chrome/browser_mozpay.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webapprt/test/chrome/browser_mozpay.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,103 @@
+Cu.import("resource://gre/modules/Services.jsm");
+let { PaymentManager } = Cu.import("resource://gre/modules/Payment.jsm", {});
+Cu.import("resource://webapprt/modules/WebappRT.jsm");
+
+function test() {
+  waitForExplicitFinish();
+
+  let curTest = 0;
+
+  let tests = [];
+  tests.push({
+    providerUri: "https://example.com:443/webapprtChrome/webapprt/test/chrome/mozpay-success.html?req=",
+    message: "Success."
+  });
+  tests.push({
+    providerUri: "https://example.com:443/webapprtChrome/webapprt/test/chrome/mozpay-failure.html?req=",
+    message: "Chocolate rejected."
+  });
+
+  let jwt = "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJhdWQiOiAibW9j" +
+            "a3BheXByb3ZpZGVyLnBocGZvZ2FwcC5jb20iLCAiaXNzIjogIkVudGVyI" +
+            "HlvdSBhcHAga2V5IGhlcmUhIiwgInJlcXVlc3QiOiB7Im5hbWUiOiAiUG" +
+            "llY2Ugb2YgQ2FrZSIsICJwcmljZSI6ICIxMC41MCIsICJwcmljZVRpZXI" +
+            "iOiAxLCAicHJvZHVjdGRhdGEiOiAidHJhbnNhY3Rpb25faWQ9ODYiLCAi" +
+            "Y3VycmVuY3lDb2RlIjogIlVTRCIsICJkZXNjcmlwdGlvbiI6ICJWaXJ0d" +
+            "WFsIGNob2NvbGF0ZSBjYWtlIHRvIGZpbGwgeW91ciB2aXJ0dWFsIHR1bW" +
+            "15In0sICJleHAiOiAxMzUyMjMyNzkyLCAiaWF0IjogMTM1MjIyOTE5Miw" +
+            "gInR5cCI6ICJtb2NrL3BheW1lbnRzL2luYXBwL3YxIn0.QZxc62USCy4U" +
+            "IyKIC1TKelVhNklvk-Ou1l_daKntaFI";
+
+  PaymentManager.registeredProviders = {};
+  PaymentManager.registeredProviders["mock/payments/inapp/v1"] = {
+    name: "mockprovider",
+    description: "Mock Payment Provider",
+    uri: tests[curTest].providerUri,
+    requestMethod: "GET"
+  };
+
+  let providerWindow;
+
+  let winObserver = function(win, topic) {
+    if (topic == "domwindowopened") {
+      win.addEventListener("load", function onLoadWindow() {
+        win.removeEventListener("load", onLoadWindow, false);
+
+        if (win.document.getElementById("content").getAttribute("src") ==
+            (tests[curTest].providerUri + jwt)) {
+          ok(true, "Payment provider window shown.");
+          providerWindow = win;
+        }
+      }, false);
+    }
+  }
+
+  Services.ww.registerNotification(winObserver);
+
+  let mutObserver = null;
+
+  function onLoad() {
+    let msg = gAppBrowser.contentDocument.getElementById("msg");
+    mutObserver = new MutationObserver(function(mutations) {
+      is(msg.textContent, tests[curTest].message, "Got: " + tests[curTest].message);
+
+      if (!providerWindow) {
+        ok(false, "Payment provider window shown.");
+      } else {
+        providerWindow.close();
+        providerWindow = null;
+      }
+
+      runNextTest();
+    });
+    mutObserver.observe(msg, { childList: true });
+  }
+
+  loadWebapp("mozpay.webapp", undefined, onLoad);
+
+  function runNextTest() {
+    providerWindow = null;
+    if (mutObserver) {
+      mutObserver.disconnect();
+    }
+
+    curTest++;
+
+    if (curTest < tests.length) {
+      PaymentManager.registeredProviders["mock/payments/inapp/v1"].uri = tests[curTest].providerUri;
+
+      gAppBrowser.addEventListener("load", function onLoadH() {
+        gAppBrowser.removeEventListener("load", onLoadH, true);
+        onLoad();
+      }, true);
+      gAppBrowser.reload();
+    } else {
+      finish();
+    }
+  }
+
+  registerCleanupFunction(function() {
+    Services.ww.unregisterNotification(winObserver);
+    mutObserver.disconnect();
+  });
+}