diff --git a/ui/src/Components/FaviconBadge/index.test.js b/ui/src/Components/FaviconBadge/index.test.js
new file mode 100644
index 000000000..79a946669
--- /dev/null
+++ b/ui/src/Components/FaviconBadge/index.test.js
@@ -0,0 +1,40 @@
+import React from "react";
+
+import { mount } from "enzyme";
+
+import { AlertStore } from "Stores/AlertStore";
+import { FaviconBadge } from ".";
+
+let alertStore;
+
+beforeEach(() => {
+ alertStore = new AlertStore([]);
+});
+
+const MountedFaviconBadge = () => {
+ return mount();
+};
+
+describe("", () => {
+ it("creates Favico instance on mount", () => {
+ const tree = MountedFaviconBadge();
+ const instance = tree.instance();
+ expect(instance.favicon).toBeInstanceOf(Object);
+ });
+
+ it("updateBadge is called when alertStore.info.totalAlerts changes", () => {
+ const tree = MountedFaviconBadge();
+ const instance = tree.instance();
+ const updateSpy = jest.spyOn(instance, "updateBadge");
+ alertStore.info.totalAlerts = 99;
+ expect(updateSpy).toHaveBeenCalledTimes(1);
+ });
+
+ it("updateBadge is called when alertStore.status.error changes", () => {
+ const tree = MountedFaviconBadge();
+ const instance = tree.instance();
+ const updateSpy = jest.spyOn(instance, "updateBadge");
+ alertStore.status.error = "foo";
+ expect(updateSpy).toHaveBeenCalledTimes(1);
+ });
+});