1 files changed, 38 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/tests/unit_service_updater/fallbackOnSvcFailure.js b/toolkit/mozapps/update/tests/unit_service_updater/fallbackOnSvcFailure.js
new file mode 100644
index 0000000000..d09ea7b448
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+++ b/toolkit/mozapps/update/tests/unit_service_updater/fallbackOnSvcFailure.js
@@ -0,0 +1,38 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * If updating with the maintenance service fails in a way specific to the
+ * maintenance service, we should fall back to not using the maintenance
+ * service, which should succeed. This test ensures that that happens as
+ * expected.
+ */
+
+async function run_test() {
+  if (!setupTestCommon()) {
+    return;
+  }
+  // This variable forces the service to fail by having the updater pass it the
+  // wrong number of arguments. Then we can verify that the fallback happens
+  // properly.
+  gEnvForceServiceFallback = true;
+
+  gTestFiles = gTestFilesCompleteSuccess;
+  gTestDirs = gTestDirsCompleteSuccess;
+  preventDistributionFiles();
+  await setupUpdaterTest(FILE_COMPLETE_MAR, true);
+  // It's very important that we pass in true for aCheckSvcLog (4th param),
+  // because otherwise we may not have used the service at all, so we wouldn't
+  // really check that we fell back (to not using the service) properly.
+  runUpdate(STATE_SUCCEEDED, false, 0, true);
+  await checkPostUpdateAppLog();
+  checkAppBundleModTime();
+  standardInit();
+  checkPostUpdateRunningFile(true);
+  checkFilesAfterUpdateSuccess(getApplyDirFile);
+  await waitForUpdateXMLFiles();
+  checkUpdateManager(STATE_NONE, false, STATE_SUCCEEDED, 0, 1);
+  checkCallbackLog();
+}