@fast-check/jest/lib/jest-fast-check-worker.js

Property based testing for Jest based on fast-check

import * as fc from 'fast-check';
import { assert, propertyFor } from '@fast-check/worker';
import { jestExpect } from '@jest/expect';
import { buildTest } from './internals/TestBuilder.js';
function typedAssign(fun, others) {
    return Object.assign(fun, others);
}
function dummyTest() {
    return typedAssign(() => void 0, {
        concurrent: typedAssign(() => void 0, {
            each: () => () => void 0,
            failing: typedAssign(() => void 0, {
                each: () => () => void 0,
            }),
            only: typedAssign(() => void 0, {
                each: () => () => void 0,
                failing: typedAssign(() => void 0, {
                    each: () => () => void 0,
                }),
            }),
            skip: typedAssign(() => void 0, {
                each: () => () => void 0,
                failing: typedAssign(() => void 0, {
                    each: () => () => void 0,
                }),
            }),
        }),
        each: () => () => void 0,
        failing: typedAssign(() => void 0, {
            each: () => () => void 0,
        }),
        only: typedAssign(() => void 0, {
            each: () => () => void 0,
            failing: typedAssign(() => void 0, {
                each: () => () => void 0,
            }),
        }),
        skip: typedAssign(() => void 0, {
            each: () => () => void 0,
            failing: typedAssign(() => void 0, {
                each: () => () => void 0,
            }),
        }),
        todo: () => void 0,
    });
}
export const init = (url, options) => {
    const fcExtra = {
        asyncProperty: propertyFor(url, options),
        assert: assert,
        readConfigureGlobal: fc.readConfigureGlobal,
    };
    if (typeof it !== 'undefined') {
        if (typeof jest !== 'undefined') {
            return {
                test: buildTest(test, jest, fcExtra),
                it: buildTest(it, jest, fcExtra),
                expect: jestExpect,
            };
        }
        else {
            return import('@jest/globals').then(({ jest }) => ({
                test: buildTest(test, jest, fcExtra),
                it: buildTest(it, jest, fcExtra),
                expect: jestExpect,
            }));
        }
    }
    const dummyJest = {};
    return {
        test: buildTest(dummyTest(), dummyJest, fcExtra),
        it: buildTest(dummyTest(), dummyJest, fcExtra),
        expect: jestExpect,
    };
};
export { fc };