1 files changed, 56 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_fxa_service_cluster.js b/services/sync/tests/unit/test_fxa_service_cluster.js
new file mode 100644
index 0000000000..0dde508e12
--- /dev/null
+++ b/services/sync/tests/unit/test_fxa_service_cluster.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { Service } = ChromeUtils.importESModule(
+  "resource://services-sync/service.sys.mjs"
+);
+const { initializeIdentityWithTokenServerResponse } =
+  ChromeUtils.importESModule(
+    "resource://testing-common/services/sync/fxa_utils.sys.mjs"
+  );
+
+add_task(async function test_findCluster() {
+  _("Test FxA _findCluster()");
+
+  _("_findCluster() throws on 500 errors.");
+  initializeIdentityWithTokenServerResponse({
+    status: 500,
+    headers: [],
+    body: "",
+  });
+
+  await Assert.rejects(
+    Service.identity._findCluster(),
+    /TokenServerClientServerError/
+  );
+
+  _("_findCluster() returns null on authentication errors.");
+  initializeIdentityWithTokenServerResponse({
+    status: 401,
+    headers: { "content-type": "application/json" },
+    body: "{}",
+  });
+
+  let cluster = await Service.identity._findCluster();
+  Assert.strictEqual(cluster, null);
+
+  _("_findCluster() works with correct tokenserver response.");
+  let endpoint = "http://example.com/something";
+  initializeIdentityWithTokenServerResponse({
+    status: 200,
+    headers: { "content-type": "application/json" },
+    body: JSON.stringify({
+      api_endpoint: endpoint,
+      duration: 300,
+      id: "id",
+      key: "key",
+      uid: "uid",
+    }),
+  });
+
+  cluster = await Service.identity._findCluster();
+  // The cluster manager ensures a trailing "/"
+  Assert.strictEqual(cluster, endpoint + "/");
+
+  Svc.Prefs.resetBranch("");
+});