signal-desktop/ts/test-node/helpers.ts

17 lines
380 B
TypeScript

// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { assert } from 'chai';
export async function assertRejects(fn: () => Promise<unknown>): Promise<void> {
let err: unknown;
try {
await fn();
} catch (e) {
err = e;
}
assert(
err instanceof Error,
'Expected promise to reject with an Error, but it resolved'
);
}