How to use trimmedConstants method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

mapToConstant.spec.ts

Source:mapToConstant.spec.ts

1import fc from 'fast-check';2import { mapToConstant } from '../../../src/arbitrary/mapToConstant';3import { Value } from '../../../src/check/arbitrary/definition/Value';4import {5  assertProduceValuesShrinkableWithoutContext,6  assertProduceCorrectValues,7  assertShrinkProducesSameValueWithoutInitialContext,8  assertProduceSameValueGivenSameSeed,9} from './__test-helpers__/ArbitraryAssertions';10import { buildShrinkTree, renderTree } from './__test-helpers__/ShrinkTree';11describe('mapToConstant', () => {12  it('should reject any inputs containing at least one strictly negative entry', () =>13    fc.assert(14      fc.property(fc.array(fc.nat()), fc.array(fc.nat()), fc.integer({ max: -1 }), (beforeNeg, afterNeg, neg) => {15        // Arrange16        const entries = [...beforeNeg, neg, ...afterNeg].map((num) => ({ num, build: jest.fn() }));17        // Act / Assert18        expect(() => mapToConstant(...entries)).toThrowError();19      })20    ));21  it('should reject any inputs summing to zero', () =>22    fc.assert(23      fc.property(fc.nat({ max: 1000 }), (length) => {24        // Arrange25        const entries = [...Array(length)].map(() => ({ num: 0, build: jest.fn() }));26        // Act / Assert27        expect(() => mapToConstant(...entries)).toThrowError();28      })29    ));30  it('should accept any inputs not summing to zero and with positive or null values', () =>31    fc.assert(32      fc.property(fc.array(fc.nat(), { minLength: 1 }), (nums) => {33        // Arrange34        fc.pre(nums.some((n) => n > 0));35        const entries = nums.map((num) => ({ num, build: jest.fn() }));36        // Act / Assert37        expect(() => mapToConstant(...entries)).not.toThrowError();38      })39    ));40});41describe('mapToConstant (integration)', () => {42  type Extra = unknown[][];43  const extraParameters: fc.Arbitrary<Extra> = fc.array(fc.uniqueArray(fc.anything(), { minLength: 1 }), {44    minLength: 1,45  });46  const isCorrect = (value: unknown, extra: Extra) => {47    for (const entryCandidate of extra) {48      if (entryCandidate.includes(value)) {49        // -0 and 0 are mixed by include50        return true;51      }52    }53    return false;54  };55  const mapToConstantBuilder = (extra: Extra) => {56    const alreadySeenConstants = new Set<unknown>();57    const entries: { num: number; build: (index: number) => unknown }[] = [];58    for (const entryCandidate of extra) {59      // Only keep values (aka constants) never seen before (-0 and 0) will be mixed due to Set60      const trimmedConstants = entryCandidate.filter((c) => !alreadySeenConstants.has(c));61      entries.push({ num: trimmedConstants.length, build: (index: number) => trimmedConstants[index] });62      trimmedConstants.forEach((c) => alreadySeenConstants.add(c));63    }64    return mapToConstant(...entries);65  };66  it('should produce the same values given the same seed', () => {67    assertProduceSameValueGivenSameSeed(mapToConstantBuilder, { extraParameters });68  });69  it('should only produce correct values', () => {70    assertProduceCorrectValues(mapToConstantBuilder, isCorrect, { extraParameters });71  });72  it('should produce values seen as shrinkable without any context', () => {73    assertProduceValuesShrinkableWithoutContext(mapToConstantBuilder, { extraParameters });74  });75  it('should be able to shrink to the same values without initial context', () => {76    assertShrinkProducesSameValueWithoutInitialContext(mapToConstantBuilder, { extraParameters });77  });78  it('should be able to shrink c given hexa-like entries', () => {79    // Arrange80    const arb = mapToConstant(81      { num: 10, build: (index) => String.fromCodePoint(index + 48) }, // 0-982      { num: 6, build: (index) => String.fromCodePoint(index + 97) } // a-f83    );84    const rawValue = 'c';85    const value = new Value(rawValue, undefined);86    // Act87    const renderedTree = renderTree(buildShrinkTree(arb, value)).join('\n');88    // Assert89    expect(arb.canShrinkWithoutContext(rawValue)).toBe(true);90    expect(renderedTree).toMatchSnapshot();91  });...

Using AI Code Generation

1const trimmedConstants = require('fast-check-monorepo').trimmedConstants;2const trimmedConstants = require('fast-check-monorepo/trimmedConstants');3const trimmedConstants = require('fast-check-monorepo/trimmedConstants');4const trimmedConstants = require('fast-check-monorepo/trimmedConstants');5const trimmedConstants = require('fast-check-monorepo/trimmedConstants');6const trimmedConstants = require('fast-check-monorepo/trimmedConstants');7const trimmedConstants = require('fast-check-monorepo/trimmedConstants');8const trimmedConstants = require('fast-check-monorepo/trimmedConstants');9const trimmedConstants = require('fast-check-monorepo/trimmedConstants');10const trimmedConstants = require('fast-check-monorepo/trimmedConstants');11const trimmedConstants = require('fast-check-monorepo/trimmedConstants');12const trimmedConstants = require('fast-check-monorepo/trimmedConstants');13const trimmedConstants = require('fast-check-monorepo/trimmedConstants');14const trimmedConstants = require('fast-check-monorepo/trimmedConstants');15const trimmedConstants = require('fast-check-monorepo/trimmedConstants

Using AI Code Generation

1const { trimmedConstants } = require('fast-check-monorepo');2const { constant } = require('fast-check');3const { trimmedConstants } = require('fast-check-monorepo');4const { constant } = require('fast-check');5const { trimmedConstants } = require('fast-check-monorepo');6const { constant } = require('fast-check');7const { trimmedConstants } = require('fast-check-monorepo');8const { constant } = require('fast-check');9const { trimmedConstants } = require('fast-check-monorepo');10const { constant } = require('fast-check');11const { trimmedConstants } = require('fast-check-monorepo');12const { constant } = require('fast-check');13const { trimmedConstants } = require('fast-check-monorepo');14const { constant } = require('fast-check');15const { trimmedConstants } = require('fast-check-monorepo');16const { constant } = require('fast-check');17const { trimmedConstants } = require('fast-check-monorepo');18const { constant } = require('fast-check');19const { trimmedConstants } = require('fast-check-monorepo');20const { constant } = require('fast-check');21const { trimmedConstants } = require('fast-check-monorepo');22const { constant } = require('fast-check');23const { trimmedConstants } = require('fast-check-monorepo');24const { constant } = require('fast-check');25const { trimmedConstants } = require('fast-check-monorepo');26const { constant } = require('fast-check');27const { trimmedConstants

Using AI Code Generation

1import { trimmedConstants } from 'fast-check';2import { trimmedConstants } from 'fast-check/lib/types/arbitrary/trimmedConstants';3import { trimmedConstants } from 'fast-check/lib/types/arbitrary/trimmedConstants.js';4import { trimmedConstants } from 'fast-check/lib/types/arbitrary/trimmedConstants.d.ts';5import { trimmedConstants } from 'fast-check/lib/types/arbitrary/trimmedConstants.js.map';6import { trimmedConstants } from 'fast-check/lib/types/arbitrary/trimmedConstants.d.ts.map';7I tried to import the trimmedConstants method from the fast-check-monorepo but I couldn't find a way to import it from the package. I tried the following ways to import it but not

Using AI Code Generation

1import { trimmedConstants } from "fast-check-monorepo";2const trimmed = trimmedConstants();3console.log(trimmed);4import { trimmedConstants } from "fast-check-monorepo";5const trimmed = trimmedConstants();6console.log(trimmed);7import { trimmedConstants } from "fast-check-monorepo";8const trimmed = trimmedConstants();9console.log(trimmed);10import { trimmedConstants } from "fast-check-monorepo";11const trimmed = trimmedConstants();12console.log(trimmed);13import { trimmedConstants } from "fast-check-monorepo";14const trimmed = trimmedConstants();15console.log(trimmed);16import { trimmedConstants } from "fast-check-monorepo";17const trimmed = trimmedConstants();18console.log(trimmed);19import { trimmedConstants } from "fast-check-monorepo";20const trimmed = trimmedConstants();21console.log(trimmed);22import { trimmedConstants } from "fast-check-monorepo";23const trimmed = trimmedConstants();24console.log(trimmed);25import { trimmedConstants } from "fast-check-mon

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