39 строки
1.6 KiB
TypeScript
39 строки
1.6 KiB
TypeScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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import "@testing-library/jest-dom";
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import "@testing-library/jest-dom/jest-globals";
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import "jest-axe/extend-expect";
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import { TextEncoder } from "util";
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import { setProjectAnnotations } from "@storybook/react";
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import { defaultFallbackInView } from "react-intersection-observer";
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import failOnConsole from "jest-fail-on-console";
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import * as globalStorybookConfig from "./.storybook/preview";
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setProjectAnnotations(
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globalStorybookConfig as Parameters<typeof setProjectAnnotations>[0],
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);
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// Prevent logs from cluttering up actual problems in our tests:
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failOnConsole({
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shouldFailOnError: true,
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shouldFailOnWarn: true,
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shouldFailOnInfo: true,
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shouldFailOnDebug: true,
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shouldFailOnLog: true,
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shouldFailOnAssert: true,
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});
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// See https://www.benmvp.com/blog/avoiding-react-act-warning-when-accessibility-testing-next-link-jest-axe/
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// If no `IntersectionObserver` exists, Next.js's <Link> will do a state update
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// immediately after rendering, causing warnings about wrapping tests in act().
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global.IntersectionObserver = jest.fn();
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// Then in jest.config.cjs, we add an actual mock for the IntersectionObserver
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// API in `setupFilesAfterEnv`. When a <Link> scrolls into view, Next.js will
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// attempt to preload the target, causing another rerender that would cause a
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// warning about wrapping tests in act(). Thus, we tell it it's not in view.
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defaultFallbackInView(false);
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global.TextEncoder = TextEncoder;
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