27 lines
699 B
TypeScript
27 lines
699 B
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import {getErrorCausalChain} from '../errorUtils';
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describe('getErrorCausalChain', () => {
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it('works for simple error', () => {
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const error = new Error('msg');
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expect(getErrorCausalChain(error)).toEqual([error]);
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});
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it('works for nested errors', () => {
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const error = new Error('msg', {
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cause: new Error('msg', {cause: new Error('msg')}),
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});
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expect(getErrorCausalChain(error)).toEqual([
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error,
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error.cause,
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(error.cause as Error).cause,
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]);
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});
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});
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