1 files changed, 58 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_service_startup.js b/services/sync/tests/unit/test_service_startup.js
new file mode 100644
index 0000000000..beb4d1d18a
--- /dev/null
+++ b/services/sync/tests/unit/test_service_startup.js
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { AppConstants } = ChromeUtils.importESModule(
+  "resource://gre/modules/AppConstants.sys.mjs"
+);
+
+// Svc.Prefs.set("services.sync.log.appender.dump", "All");
+Svc.Prefs.set("registerEngines", "Tab,Bookmarks,Form,History");
+
+add_task(async function run_test() {
+  validate_all_future_pings();
+  _("When imported, Service.onStartup is called");
+
+  let xps = Cc["@mozilla.org/weave/service;1"].getService(
+    Ci.nsISupports
+  ).wrappedJSObject;
+  Assert.ok(!xps.enabled);
+
+  // Test fixtures
+  let { Service } = ChromeUtils.importESModule(
+    "resource://services-sync/service.sys.mjs"
+  );
+  Services.prefs.setStringPref("services.sync.username", "johndoe");
+  Assert.ok(xps.enabled);
+
+  _("Service is enabled.");
+  Assert.equal(Service.enabled, true);
+
+  _("Observers are notified of startup");
+  Assert.ok(!Service.status.ready);
+  Assert.ok(!xps.ready);
+
+  await promiseOneObserver("weave:service:ready");
+
+  Assert.ok(Service.status.ready);
+  Assert.ok(xps.ready);
+
+  _("Engines are registered.");
+  let engines = Service.engineManager.getAll();
+  if (AppConstants.MOZ_APP_NAME == "thunderbird") {
+    // Thunderbird's engines are registered later, so they're not here yet.
+    Assert.deepEqual(
+      engines.map(engine => engine.name),
+      []
+    );
+  } else {
+    Assert.deepEqual(
+      engines.map(engine => engine.name),
+      ["tabs", "bookmarks", "forms", "history"]
+    );
+  }
+
+  // Clean up.
+  Svc.Prefs.resetBranch("");
+
+  do_test_finished();
+});