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