element-web/test/utils/StorageAccess-test.ts
David Langley 491f0cd08a
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2024-09-09 13:57:16 +00:00

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TypeScript

/*
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
Please see LICENSE files in the repository root for full details.
*/
import "core-js/stable/structured-clone"; // for idb access
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();
});
});