From 8eb5e7d9721fa1fd5446f9c36db64843ea884a2f Mon Sep 17 00:00:00 2001
From: Bauke <me@bauke.xyz>
Date: Thu, 4 May 2023 14:22:44 +0200
Subject: [PATCH] Clear and restore existing stored items for tests.

---
 source/item/item.test.ts | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/source/item/item.test.ts b/source/item/item.test.ts
index 93faf89..b50b16e 100644
--- a/source/item/item.test.ts
+++ b/source/item/item.test.ts
@@ -1,13 +1,8 @@
+import browser from "webextension-polyfill";
 import {type TestContext, setup} from "@holllo/test";
 import {type Value} from "@holllo/webextension-storage";
 
-import {
-  type Item,
-  createItem,
-  nextItem,
-  nextItemId,
-  storageForPrefix,
-} from "./item.js";
+import {type Item, createItem, nextItem, nextItemId} from "./item.js";
 
 const testText = "Test Item";
 const testUrl = "https://example.org/";
@@ -34,9 +29,21 @@ function assertItem(item: Value<Item>, test: TestContext): void {
 await setup(
   "Item",
   async (group) => {
+    const existingStorages: Array<Record<string, any>> = [];
+
     group.beforeAll(async () => {
-      // TODO: Temporarily store existing storage and run the tests, and then
-      // restore it again.
+      existingStorages.push(
+        await browser.storage.local.get(),
+        await browser.storage.sync.get(),
+      );
+
+      await browser.storage.local.clear();
+      await browser.storage.sync.clear();
+    });
+
+    group.afterAll(async () => {
+      await browser.storage.local.set(existingStorages[0]);
+      await browser.storage.sync.set(existingStorages[1]);
     });
 
     group.test("create & nextItem", async (test) => {