challenge-algorithms-v2.0-s.../node_modules/@jest/expect/build/index.d.ts

69 lines
1.9 KiB
TypeScript

/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type {addSerializer} from 'jest-snapshot';
import {AsymmetricMatchers} from 'expect';
import type {BaseExpect} from 'expect';
import {MatcherContext} from 'expect';
import {MatcherFunction} from 'expect';
import {MatcherFunctionWithContext} from 'expect';
import {Matchers} from 'expect';
import {MatcherState} from 'expect';
import {MatcherUtils} from 'expect';
import type {SnapshotMatchers} from 'jest-snapshot';
export {AsymmetricMatchers};
declare type Inverse<Matchers> = {
/**
* Inverse next matcher. If you know how to test something, `.not` lets you test its opposite.
*/
not: Matchers;
};
export declare type JestExpect = {
<T = unknown>(actual: T): JestMatchers<void, T> &
Inverse<JestMatchers<void, T>> &
PromiseMatchers<T>;
addSnapshotSerializer: typeof addSerializer;
} & BaseExpect &
AsymmetricMatchers &
Inverse<Omit<AsymmetricMatchers, 'any' | 'anything'>>;
export declare const jestExpect: JestExpect;
declare type JestMatchers<R extends void | Promise<void>, T> = Matchers<R> &
SnapshotMatchers<R, T>;
export {MatcherContext};
export {MatcherFunction};
export {MatcherFunctionWithContext};
export {Matchers};
export {MatcherState};
export {MatcherUtils};
declare type PromiseMatchers<T = unknown> = {
/**
* Unwraps the reason of a rejected promise so any other matcher can be chained.
* If the promise is fulfilled the assertion fails.
*/
rejects: JestMatchers<Promise<void>, T> &
Inverse<JestMatchers<Promise<void>, T>>;
/**
* Unwraps the value of a fulfilled promise so any other matcher can be chained.
* If the promise is rejected the assertion fails.
*/
resolves: JestMatchers<Promise<void>, T> &
Inverse<JestMatchers<Promise<void>, T>>;
};
export {};