signal-desktop/ts/test/helpers.ts

14 lines
297 B
TypeScript

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'
);
}