@serenity-js/assertions/lib/expectations/containAtLeastOneItemThat.d.ts

Serenity/JS universal assertion library supporting all types of functional tests, including both web and REST API scenarios

import { Expectation } from '@serenity-js/core';
/**
 * Produces an [expectation](https://serenity-js.org/api/core/class/Expectation/) that is met when the actual array of `Item[]` contains
 * at least one `Item` for which the `expectation` is met.
 *
 * ## Ensuring that at least one item in an array meets the expectation
 *
 * ```ts
 * import { actorCalled } from '@serenity-js/core'
 * import { Ensure, containAtLeastOneItemThat, isGreaterThan } from '@serenity-js/assertions'
 *
 * const items = [ 10, 15, 20 ]
 *
 * await actorCalled('Ester').attemptsTo(
 *   Ensure.that(items, containAtLeastOneItemThat(isGreaterThan(18))),
 * )
 * ```
 *
 * @param expectation
 *
 * @group Expectations
 */
export declare function containAtLeastOneItemThat<Item>(expectation: Expectation<Item>): Expectation<Item[]>;
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