forked from M3-Academy/challenge-algorithms-v2.0
69 lines
1.9 KiB
TypeScript
69 lines
1.9 KiB
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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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 type {addSerializer} from 'jest-snapshot';
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import {AsymmetricMatchers} from 'expect';
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import type {BaseExpect} from 'expect';
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import {MatcherContext} from 'expect';
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import {MatcherFunction} from 'expect';
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import {MatcherFunctionWithContext} from 'expect';
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import {Matchers} from 'expect';
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import {MatcherState} from 'expect';
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import {MatcherUtils} from 'expect';
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import type {SnapshotMatchers} from 'jest-snapshot';
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export {AsymmetricMatchers};
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declare type Inverse<Matchers> = {
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/**
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* Inverse next matcher. If you know how to test something, `.not` lets you test its opposite.
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*/
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not: Matchers;
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};
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export declare type JestExpect = {
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<T = unknown>(actual: T): JestMatchers<void, T> &
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Inverse<JestMatchers<void, T>> &
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PromiseMatchers<T>;
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addSnapshotSerializer: typeof addSerializer;
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} & BaseExpect &
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AsymmetricMatchers &
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Inverse<Omit<AsymmetricMatchers, 'any' | 'anything'>>;
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export declare const jestExpect: JestExpect;
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declare type JestMatchers<R extends void | Promise<void>, T> = Matchers<R> &
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SnapshotMatchers<R, T>;
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export {MatcherContext};
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export {MatcherFunction};
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export {MatcherFunctionWithContext};
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export {Matchers};
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export {MatcherState};
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export {MatcherUtils};
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declare type PromiseMatchers<T = unknown> = {
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/**
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* Unwraps the reason of a rejected promise so any other matcher can be chained.
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* If the promise is fulfilled the assertion fails.
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*/
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rejects: JestMatchers<Promise<void>, T> &
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Inverse<JestMatchers<Promise<void>, T>>;
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/**
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* Unwraps the value of a fulfilled promise so any other matcher can be chained.
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* If the promise is rejected the assertion fails.
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*/
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resolves: JestMatchers<Promise<void>, T> &
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Inverse<JestMatchers<Promise<void>, T>>;
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};
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export {};
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