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diff --git a/browser/components/newtab/test/unit/lib/RecommendationProvider.test.js b/browser/components/newtab/test/unit/lib/RecommendationProvider.test.js
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+++ b/browser/components/newtab/test/unit/lib/RecommendationProvider.test.js
@@ -0,0 +1,162 @@
+import {
+  actionCreators as ac,
+  actionTypes as at,
+} from "common/Actions.sys.mjs";
+import { RecommendationProvider } from "lib/RecommendationProvider.jsm";
+import { combineReducers, createStore } from "redux";
+import { reducers } from "common/Reducers.sys.mjs";
+import { GlobalOverrider } from "test/unit/utils";
+
+import { PersonalityProvider } from "lib/PersonalityProvider/PersonalityProvider.jsm";
+
+const PREF_PERSONALIZATION_ENABLED = "discoverystream.personalization.enabled";
+const PREF_PERSONALIZATION_MODEL_KEYS =
+  "discoverystream.personalization.modelKeys";
+describe("RecommendationProvider", () => {
+  let feed;
+  let sandbox;
+  let globals;
+
+  beforeEach(() => {
+    globals = new GlobalOverrider();
+    globals.set({
+      PersonalityProvider,
+    });
+
+    sandbox = sinon.createSandbox();
+    feed = new RecommendationProvider();
+    feed.store = createStore(combineReducers(reducers), {});
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+    globals.restore();
+  });
+
+  describe("#setProvider", () => {
+    it("should setup proper provider with modelKeys", async () => {
+      feed.setProvider();
+
+      assert.equal(feed.provider.modelKeys, undefined);
+
+      feed.provider = null;
+      feed._modelKeys = "1234";
+
+      feed.setProvider();
+
+      assert.equal(feed.provider.modelKeys, "1234");
+      feed._modelKeys = "12345";
+
+      // Calling it again should not rebuild the provider.
+      feed.setProvider();
+      assert.equal(feed.provider.modelKeys, "1234");
+    });
+  });
+
+  describe("#init", () => {
+    it("should init affinityProvider then refreshContent", async () => {
+      feed.provider = {
+        init: sandbox.stub().resolves(),
+      };
+      await feed.init();
+      assert.calledOnce(feed.provider.init);
+    });
+  });
+
+  describe("#getScores", () => {
+    it("should call affinityProvider.getScores", () => {
+      feed.provider = {
+        getScores: sandbox.stub().resolves(),
+      };
+      feed.getScores();
+      assert.calledOnce(feed.provider.getScores);
+    });
+  });
+
+  describe("#calculateItemRelevanceScore", () => {
+    it("should use personalized score with provider", async () => {
+      const item = {};
+      feed.provider = {
+        calculateItemRelevanceScore: async () => 0.5,
+      };
+      await feed.calculateItemRelevanceScore(item);
+      assert.equal(item.score, 0.5);
+    });
+  });
+
+  describe("#teardown", () => {
+    it("should call provider.teardown ", () => {
+      feed.provider = {
+        teardown: sandbox.stub().resolves(),
+      };
+      feed.teardown();
+      assert.calledOnce(feed.provider.teardown);
+    });
+  });
+
+  describe("#resetState", () => {
+    it("should null affinityProviderV2 and affinityProvider", () => {
+      feed._modelKeys = {};
+      feed.provider = {};
+
+      feed.resetState();
+
+      assert.equal(feed._modelKeys, null);
+      assert.equal(feed.provider, null);
+    });
+  });
+
+  describe("#onAction: DISCOVERY_STREAM_CONFIG_CHANGE", () => {
+    it("should call teardown, resetState, and setVersion", async () => {
+      sandbox.spy(feed, "teardown");
+      sandbox.spy(feed, "resetState");
+      feed.onAction({
+        type: at.DISCOVERY_STREAM_CONFIG_CHANGE,
+      });
+      assert.calledOnce(feed.teardown);
+      assert.calledOnce(feed.resetState);
+    });
+  });
+
+  describe("#onAction: PREF_CHANGED", () => {
+    beforeEach(() => {
+      sandbox.spy(feed.store, "dispatch");
+    });
+    it("should dispatch to DISCOVERY_STREAM_CONFIG_RESET PREF_PERSONALIZATION_MODEL_KEYS", async () => {
+      feed.onAction({
+        type: at.PREF_CHANGED,
+        data: {
+          name: PREF_PERSONALIZATION_MODEL_KEYS,
+        },
+      });
+
+      assert.calledWith(
+        feed.store.dispatch,
+        ac.BroadcastToContent({
+          type: at.DISCOVERY_STREAM_CONFIG_RESET,
+        })
+      );
+    });
+  });
+
+  describe("#onAction: DISCOVERY_STREAM_PERSONALIZATION_TOGGLE", () => {
+    it("should fire SET_PREF with enabled", async () => {
+      sandbox.spy(feed.store, "dispatch");
+      feed.store.getState = () => ({
+        Prefs: {
+          values: {
+            [PREF_PERSONALIZATION_ENABLED]: false,
+          },
+        },
+      });
+
+      await feed.onAction({
+        type: at.DISCOVERY_STREAM_PERSONALIZATION_TOGGLE,
+      });
+      assert.calledWith(
+        feed.store.dispatch,
+        ac.SetPref(PREF_PERSONALIZATION_ENABLED, true)
+      );
+    });
+  });
+});