@financial-times/n-conversion-forms/test-jest/helpers/expect-to-render-correctly.js

Containing jsx components and styles for forms included on Accounts and Acquisition apps (next-signup, next-profile, next-retention, etc).

import ReactDOMServer from 'react-dom/server';

export const expectToRenderCorrectly = {
	toRenderCorrectly(reactComponent, props) {
		// Render the React component with props.
		const ReactComponentRendered = ReactDOMServer.renderToStaticMarkup(
			reactComponent(props)
		);

		// eslint-disable-next-line jest/no-standalone-expect
		expect(ReactComponentRendered).toMatchSnapshot();

		// This point is reached when the above assertions were successful.
		// The test should therefore always pass, that means it needs to be
		// `true` when used normally, and `false` when `.not` was used.
		return {
			pass: !this.isNot,
		};
	},
};