feat: show call participants in room list (Discord-style)

apps/web/test/unit-tests/utils/StorageAccess-test.ts

@@ -0,0 +1,46 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2024 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import "fake-indexeddb/auto";
+
+import { idbDelete, idbLoad, idbSave } from "../../../src/utils/StorageAccess";
+
+const NONEXISTENT_TABLE = "this_is_not_a_table_we_use_ever_and_so_we_can_use_it_in_tests";
+const KNOWN_TABLES = ["account", "pickleKey"];
+
+describe("StorageAccess", () => {
+    it.each(KNOWN_TABLES)("should save, load, and delete from known table '%s'", async (tableName: string) => {
+        const key = ["a", "b"];
+        const data = { hello: "world" };
+
+        // Should start undefined
+        let loaded = await idbLoad(tableName, key);
+        expect(loaded).toBeUndefined();
+
+        // ... then define a value
+        await idbSave(tableName, key, data);
+
+        // ... then check that value
+        loaded = await idbLoad(tableName, key);
+        expect(loaded).toEqual(data);
+
+        // ... then set it back to undefined
+        await idbDelete(tableName, key);
+
+        // ... which we then check again
+        loaded = await idbLoad(tableName, key);
+        expect(loaded).toBeUndefined();
+    });
+
+    it("should fail to save, load, and delete from a non-existent table", async () => {
+        // Regardless of validity on the key/data, or write order, these should all fail.
+        await expect(() => idbSave(NONEXISTENT_TABLE, "whatever", "value")).rejects.toThrow();
+        await expect(() => idbLoad(NONEXISTENT_TABLE, "whatever")).rejects.toThrow();
+        await expect(() => idbDelete(NONEXISTENT_TABLE, "whatever")).rejects.toThrow();
+    });
+});