1 files changed, 65 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_addons_validator.js b/services/sync/tests/unit/test_addons_validator.js
new file mode 100644
index 0000000000..60f2f8bf43
--- /dev/null
+++ b/services/sync/tests/unit/test_addons_validator.js
@@ -0,0 +1,65 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { AddonValidator } = ChromeUtils.importESModule(
+  "resource://services-sync/engines/addons.sys.mjs"
+);
+
+function getDummyServerAndClient() {
+  return {
+    server: [
+      {
+        id: "1111",
+        applicationID: Services.appinfo.ID,
+        addonID: "synced-addon@example.com",
+        enabled: true,
+        source: "amo",
+        understood: true,
+      },
+    ],
+    client: [
+      {
+        syncGUID: "1111",
+        id: "synced-addon@example.com",
+        type: "extension",
+        isSystem: false,
+        isSyncable: true,
+      },
+      {
+        syncGUID: "2222",
+        id: "system-addon@example.com",
+        type: "extension",
+        isSystem: true,
+        isSyncable: false,
+      },
+      {
+        // Plugins don't have a `syncedGUID`, but we don't sync them, so we
+        // shouldn't report them as client duplicates.
+        id: "some-plugin",
+        type: "plugin",
+      },
+      {
+        id: "another-plugin",
+        type: "plugin",
+      },
+    ],
+  };
+}
+
+add_task(async function test_valid() {
+  let { server, client } = getDummyServerAndClient();
+  let validator = new AddonValidator({
+    _findDupe(item) {
+      return null;
+    },
+    isAddonSyncable(item) {
+      return item.type != "plugin";
+    },
+  });
+  let { problemData, clientRecords, records, deletedRecords } =
+    await validator.compareClientWithServer(client, server);
+  equal(clientRecords.length, 4);
+  equal(records.length, 1);
+  equal(deletedRecords.length, 0);
+  deepEqual(problemData, validator.emptyProblemData());
+});