1 files changed, 55 insertions, 0 deletions
diff --git a/services/sync/modules-testing/fxa_utils.sys.mjs b/services/sync/modules-testing/fxa_utils.sys.mjs
new file mode 100644
index 0000000000..c953f0eaa3
--- /dev/null
+++ b/services/sync/modules-testing/fxa_utils.sys.mjs
@@ -0,0 +1,55 @@
+/* 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/. */
+
+import { Log } from "resource://gre/modules/Log.sys.mjs";
+
+import { Weave } from "resource://services-sync/main.sys.mjs";
+import { SyncAuthManager } from "resource://services-sync/sync_auth.sys.mjs";
+
+import { TokenServerClient } from "resource://services-common/tokenserverclient.sys.mjs";
+import { configureFxAccountIdentity } from "resource://testing-common/services/sync/utils.sys.mjs";
+
+// Create a new sync_auth object and initialize it with a
+// mocked TokenServerClient which always receives the specified response.
+export var initializeIdentityWithTokenServerResponse = function (response) {
+  // First create a mock "request" object that well' hack into the token server.
+  // A log for it
+  let requestLog = Log.repository.getLogger("testing.mock-rest");
+  if (!requestLog.appenders.length) {
+    // might as well see what it says :)
+    requestLog.addAppender(new Log.DumpAppender());
+    requestLog.level = Log.Level.Trace;
+  }
+
+  // A mock request object.
+  function MockRESTRequest(url) {}
+  MockRESTRequest.prototype = {
+    _log: requestLog,
+    setHeader() {},
+    async get() {
+      this.response = response;
+      return response;
+    },
+  };
+  // The mocked TokenServer client which will get the response.
+  function MockTSC() {}
+  MockTSC.prototype = new TokenServerClient();
+  MockTSC.prototype.constructor = MockTSC;
+  MockTSC.prototype.newRESTRequest = function (url) {
+    return new MockRESTRequest(url);
+  };
+  // Arrange for the same observerPrefix as sync_auth uses.
+  MockTSC.prototype.observerPrefix = "weave:service";
+
+  // tie it all together.
+  Weave.Status.__authManager = Weave.Service.identity = new SyncAuthManager();
+  let syncAuthManager = Weave.Service.identity;
+  // a sanity check
+  if (!(syncAuthManager instanceof SyncAuthManager)) {
+    throw new Error("sync isn't configured to use sync_auth");
+  }
+  let mockTSC = new MockTSC();
+  configureFxAccountIdentity(syncAuthManager);
+  syncAuthManager._tokenServerClient = mockTSC;
+};