Bug 1115186: prevent network connections during loop module tests. r=MattN

browser/components/loop/test/mochitest/browser_fxa_login.js

@@ -7,7 +7,7 @@
 
 "use strict";
 
-const BASE_URL = "http://mochi.test:8888/browser/browser/components/loop/test/mochitest/loop_fxa.sjs?";
+const BASE_URL = Services.prefs.getCharPref("loop.server");
 
 function* checkFxA401() {
   let err = MozLoopService.errors.get("login");
@@ -23,7 +23,7 @@ function* checkFxA401() {
      "state of loop button should be error after a 401 with login");
 
   let loopPanel = document.getElementById("loop-notification-panel");
-  yield loadLoopPanel({loopURL: BASE_URL });
+  yield loadLoopPanel();
   let loopDoc = document.getElementById("loop").contentDocument;
   is(loopDoc.querySelector(".alert-error .message").textContent,
      getLoopString("could_not_authenticate"),
@@ -132,17 +132,22 @@ add_task(function* params_no_hawk_session() {
 add_task(function* params_nonJSON() {
   let loopServerUrl = Services.prefs.getCharPref("loop.server");
   Services.prefs.setCharPref("loop.server", "https://localhost:3000/invalid");
-  // Reset after changing the server so a new HawkClient is created
-  yield resetFxA();
+  try {
+    // Reset after changing the server so a new HawkClient is created
+    yield resetFxA();
 
-  let loginPromise = MozLoopService.logInToFxA();
-  let caught = false;
-  yield loginPromise.catch(() => {
-    ok(true, "The login promise should be rejected due to non-JSON params");
-    caught = true;
-  });
-  ok(caught, "Should have caught the rejection");
-  Services.prefs.setCharPref("loop.server", loopServerUrl);
+    let loginPromise = MozLoopService.logInToFxA();
+    let caught = false;
+    yield loginPromise.catch(() => {
+      ok(true, "The login promise should be rejected due to non-JSON params");
+      caught = true;
+    });
+    ok(caught, "Should have caught the rejection");
+  } catch (err) {
+    throw err;
+  } finally {
+    Services.prefs.setCharPref("loop.server", loopServerUrl);
+  }
 });
 
 add_task(function* invalidState() {
@@ -286,7 +291,7 @@ add_task(function* basicAuthorizationAndRegistration() {
   yield MozLoopService.promiseRegisteredWithServers();
 
   let statusChangedPromise = promiseObserverNotified("loop-status-changed");
-  yield loadLoopPanel({loopURL: BASE_URL, stayOnline: true});
+  yield loadLoopPanel({stayOnline: true});
   yield statusChangedPromise;
   let loopDoc = document.getElementById("loop").contentDocument;
   let visibleEmail = loopDoc.getElementsByClassName("user-identity")[0];
@@ -316,7 +321,7 @@ add_task(function* basicAuthorizationAndRegistration() {
   let loopPanel = document.getElementById("loop-notification-panel");
   loopPanel.hidePopup();
   statusChangedPromise = promiseObserverNotified("loop-status-changed");
-  yield loadLoopPanel({loopURL: BASE_URL, stayOnline: true});
+  yield loadLoopPanel({stayOnline: true});
   yield statusChangedPromise;
   is(loopButton.getAttribute("state"), "", "state of loop button should return to empty after panel is opened");
   loopPanel.hidePopup();