refactor onPluginUpdate, add tests (PalisadoesFoundation#2114)

src/resolvers/Subscription/onPluginUpdate.ts

@@ -25,15 +25,15 @@ export const filterFunction = async function (
 ): Promise<boolean> {
   return true;
 };
-
+export const createPluginUpdateResponse = (payload: any): any => {
+  return payload.Plugin;
+};
 export const onPluginUpdate: SubscriptionResolvers["onPluginUpdate"] = {
   // @ts-expect-error-ts-ignore
   subscribe: withFilter(
     (_parent, _args, context) =>
       context.pubsub.asyncIterator([TALAWA_PLUGIN_UPDATED]),
     (payload, _variables, context) => filterFunction(payload, context),
   ),
-  resolve: (payload: any) => {
-    return payload.Plugin;
-  },
+  resolve: createPluginUpdateResponse,
 };

tests/resolvers/Subscription/onPluginUpdate.spec.ts

@@ -0,0 +1,23 @@
+import { it, describe, expect } from "vitest";
+import {
+  filterFunction,
+  createPluginUpdateResponse,
+} from "../../../src/resolvers/Subscription/onPluginUpdate";
+
+describe("Subscription Resolver Tests", () => {
+  it("filterFunction should return true", async () => {
+    const payload = {};
+    const context = {};
+    const result = await filterFunction(payload, context);
+
+    expect(result).toBe(true);
+  });
+
+  it("createPluginUpdateResponse should return payload.Plugin", () => {
+    const payload = { Plugin: {} };
+
+    const result = createPluginUpdateResponse(payload);
+
+    expect(result).toBe(payload.Plugin);
+  });
+});