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How to use depthIdentifier method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

AnyArbitraryBuilder.ts

Source:AnyArbitraryBuilder.ts

1import { Arbitrary } from '../../../check/arbitrary/definition/Arbitrary';2import { stringify } from '../../../utils/stringify';3import { array } from '../../array';4import { oneof } from '../../oneof';5import { tuple } from '../../tuple';6import { bigInt } from '../../bigInt';7import { date } from '../../date';8import { float32Array } from '../../float32Array';9import { float64Array } from '../../float64Array';10import { int16Array } from '../../int16Array';11import { int32Array } from '../../int32Array';12import { int8Array } from '../../int8Array';13import { uint16Array } from '../../uint16Array';14import { uint32Array } from '../../uint32Array';15import { uint8Array } from '../../uint8Array';16import { uint8ClampedArray } from '../../uint8ClampedArray';17import { sparseArray } from '../../sparseArray';18import { keyValuePairsToObjectMapper, keyValuePairsToObjectUnmapper } from '../mappers/KeyValuePairsToObject';19import { QualifiedObjectConstraints } from '../helpers/QualifiedObjectConstraints';20import { arrayToMapMapper, arrayToMapUnmapper } from '../mappers/ArrayToMap';21import { arrayToSetMapper, arrayToSetUnmapper } from '../mappers/ArrayToSet';22import { objectToPrototypeLessMapper, objectToPrototypeLessUnmapper } from '../mappers/ObjectToPrototypeLess';23import { letrec } from '../../letrec';24import { SizeForArbitrary } from '../helpers/MaxLengthFromMinLength';25import { uniqueArray } from '../../uniqueArray';26import { createDepthIdentifier, DepthIdentifier } from '../helpers/DepthContext';27/** @internal */28function mapOf<T, U>(29  ka: Arbitrary<T>,30  va: Arbitrary<U>,31  maxKeys: number | undefined,32  size: SizeForArbitrary | undefined,33  depthIdentifier: DepthIdentifier34) {35  return uniqueArray(tuple(ka, va), {36    maxLength: maxKeys,37    size,38    comparator: 'SameValueZero',39    selector: (t) => t[0],40    depthIdentifier,41  }).map(arrayToMapMapper, arrayToMapUnmapper);42}43/** @internal */44function dictOf<U>(45  ka: Arbitrary<string>,46  va: Arbitrary<U>,47  maxKeys: number | undefined,48  size: SizeForArbitrary | undefined,49  depthIdentifier: DepthIdentifier50) {51  return uniqueArray(tuple(ka, va), {52    maxLength: maxKeys,53    size,54    selector: (t) => t[0],55    depthIdentifier,56  }).map(keyValuePairsToObjectMapper, keyValuePairsToObjectUnmapper);57}58/** @internal */59function setOf<U>(60  va: Arbitrary<U>,61  maxKeys: number | undefined,62  size: SizeForArbitrary | undefined,63  depthIdentifier: DepthIdentifier64) {65  return uniqueArray(va, { maxLength: maxKeys, size, comparator: 'SameValueZero', depthIdentifier }).map(66    arrayToSetMapper,67    arrayToSetUnmapper68  );69}70/** @internal */71// eslint-disable-next-line @typescript-eslint/ban-types72function prototypeLessOf(objectArb: Arbitrary<object>) {73  return objectArb.map(objectToPrototypeLessMapper, objectToPrototypeLessUnmapper);74}75/** @internal */76function typedArray(constraints: { maxLength: number | undefined; size: SizeForArbitrary }) {77  return oneof(78    int8Array(constraints),79    uint8Array(constraints),80    uint8ClampedArray(constraints),81    int16Array(constraints),82    uint16Array(constraints),83    int32Array(constraints),84    uint32Array(constraints),85    float32Array(constraints),86    float64Array(constraints)87  );88}89/** @internal */90export function anyArbitraryBuilder(constraints: QualifiedObjectConstraints): Arbitrary<unknown> {91  const arbitrariesForBase = constraints.values;92  const depthSize = constraints.depthSize;93  const depthIdentifier = createDepthIdentifier();94  const maxDepth = constraints.maxDepth;95  const maxKeys = constraints.maxKeys;96  const size = constraints.size;97  const baseArb = oneof(98    ...arbitrariesForBase,99    ...(constraints.withBigInt ? [bigInt()] : []),100    ...(constraints.withDate ? [date()] : [])101  );102  return letrec((tie) => ({103    anything: oneof(104      { maxDepth, depthSize, depthIdentifier },105      baseArb, // Final recursion case106      tie('array'),107      tie('object'),108      ...(constraints.withMap ? [tie('map')] : []),109      ...(constraints.withSet ? [tie('set')] : []),110      ...(constraints.withObjectString ? [tie('anything').map((o) => stringify(o))] : []),111      // eslint-disable-next-line @typescript-eslint/ban-types112      ...(constraints.withNullPrototype ? [prototypeLessOf(tie('object') as Arbitrary<object>)] : []),113      ...(constraints.withTypedArray ? [typedArray({ maxLength: maxKeys, size })] : []),114      ...(constraints.withSparseArray115        ? [sparseArray(tie('anything'), { maxNumElements: maxKeys, size, depthIdentifier })]116        : [])117    ),118    // String keys119    keys: constraints.withObjectString120      ? oneof(121          { arbitrary: constraints.key, weight: 10 },122          { arbitrary: tie('anything').map((o) => stringify(o)), weight: 1 }123        )124      : constraints.key,125    // anything[]126    array: array(tie('anything'), { maxLength: maxKeys, size, depthIdentifier }),127    // Set<anything>128    set: setOf(tie('anything'), maxKeys, size, depthIdentifier),129    // Map<key, anything> | Map<anything, anything>130    map: oneof(131      mapOf(tie('keys') as Arbitrary<string>, tie('anything'), maxKeys, size, depthIdentifier),132      mapOf(tie('anything'), tie('anything'), maxKeys, size, depthIdentifier)133    ),134    // {[key:string]: anything}135    object: dictOf(tie('keys') as Arbitrary<string>, tie('anything'), maxKeys, size, depthIdentifier),136  })).anything;...

array.ts

Source:array.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { ArrayArbitrary } from './_internals/ArrayArbitrary';3import {4  MaxLengthUpperBound,5  SizeForArbitrary,6  maxGeneratedLengthFromSizeForArbitrary,7} from './_internals/helpers/MaxLengthFromMinLength';8import { DepthIdentifier } from './_internals/helpers/DepthContext';9/**10 * Constraints to be applied on {@link array}11 * @remarks Since 2.4.012 * @public13 */14export interface ArrayConstraints {15  /**16   * Lower bound of the generated array size17   * @remarks Since 2.4.018   */19  minLength?: number;20  /**21   * Upper bound of the generated array size22   * @remarks Since 2.4.023   */24  maxLength?: number;25  /**26   * Define how large the generated values should be (at max)27   *28   * When used in conjonction with `maxLength`, `size` will be used to define29   * the upper bound of the generated array size while `maxLength` will be used30   * to define and document the general maximal length allowed for this case.31   *32   * @remarks Since 2.22.033   */34  size?: SizeForArbitrary;35  /**36   * When receiving a depth identifier, the arbitrary will impact the depth37   * attached to it to avoid going too deep if it already generated lots of items.38   *39   * In other words, if the number of generated values within the collection is large40   * then the generated items will tend to be less deep to avoid creating structures a lot41   * larger than expected.42   *43   * For the moment, the depth is not taken into account to compute the number of items to44   * define for a precise generate call of the array. Just applied onto eligible items.45   *46   * @remarks Since 2.25.047   */48  depthIdentifier?: DepthIdentifier | string;49}50/**51 * Extra but internal constraints that can be passed to array.52 * This extra set is made of constraints mostly targets experimental and internal features not yet mature to be exposed.53 * @internal54 */55export interface ArrayConstraintsInternal<T> extends ArrayConstraints {56  /**57   * Extra user-definable and hardcoded values.58   * Each entry in the array could be used to build the final generated value outputed by the arbitrary of array on generate.59   * Each entry must have at least one element of type T into it.60   * Each T must be a value acceptable for the arbitrary passed to the array.61   */62  experimentalCustomSlices?: T[][];63}64/**65 * For arrays of values coming from `arb`66 *67 * @param arb - Arbitrary used to generate the values inside the array68 * @param constraints - Constraints to apply when building instances (since 2.4.0)69 *70 * @remarks Since 0.0.171 * @public72 */73function array<T>(arb: Arbitrary<T>, constraints: ArrayConstraints = {}): Arbitrary<T[]> {74  const size = constraints.size;75  const minLength = constraints.minLength || 0;76  const maxLengthOrUnset = constraints.maxLength;77  const depthIdentifier = constraints.depthIdentifier;78  const maxLength = maxLengthOrUnset !== undefined ? maxLengthOrUnset : MaxLengthUpperBound;79  const specifiedMaxLength = maxLengthOrUnset !== undefined;80  const maxGeneratedLength = maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength);81  const customSlices = (constraints as ArrayConstraintsInternal<T>).experimentalCustomSlices || [];82  return new ArrayArbitrary<T>(arb, minLength, maxGeneratedLength, maxLength, depthIdentifier, undefined, customSlices);83}...

DepthContext.ts

Source:DepthContext.ts

1/**2 * Internal symbol used to declare an opaque type for DepthIdentifier3 * @public4 */5declare const depthIdentifierSymbol: unique symbol;6/**7 * Type used to strongly type instances of depth identifier while keeping internals8 * what they contain internally9 *10 * @remarks Since 2.25.011 * @public12 */13export type DepthIdentifier = { [depthIdentifierSymbol]: true };14/**15 * Instance of depth, can be used to alter the depth perceived by an arbitrary16 * or to bias your own arbitraries based on the current depth17 *18 * @remarks Since 2.25.019 * @public20 */21export type DepthContext = {22  /**23   * Current depth (starts at 0, continues with 1, 2...).24   * Only made of integer values superior or equal to 0.25   *26   * Remark: Whenever altering the `depth` during a `generate`, please make sure to ALWAYS27   * reset it to its original value before you leave the `generate`. Otherwise the execution28   * will imply side-effects that will potentially impact the following runs and make replay29   * of the issue barely impossible.30   */31  depth: number;32};33/**34 * Internal cache for depth contexts35 * @internal36 */37const depthContextCache = new Map<string, DepthContext>();38/**39 * Get back the requested DepthContext40 * @remarks Since 2.25.041 * @public42 */43export function getDepthContextFor(contextMeta: DepthContext | DepthIdentifier | string | undefined): DepthContext {44  if (contextMeta === undefined) {45    return { depth: 0 };46  }47  if (typeof contextMeta !== 'string') {48    return contextMeta as DepthContext;49  }50  const cachedContext = depthContextCache.get(contextMeta);51  if (cachedContext !== undefined) {52    return cachedContext;53  }54  const context = { depth: 0 };55  depthContextCache.set(contextMeta, context);56  return context;57}58/**59 * Create a new and unique instance of DepthIdentifier60 * that can be shared across multiple arbitraries if needed61 * @public62 */63export function createDepthIdentifier(): DepthIdentifier {64  const identifier: DepthContext = { depth: 0 };65  return identifier as unknown as DepthIdentifier;...

Using AI Code Generation

1const fc = require('fast-check');2const { depthIdentifier } = require('fast-check-monorepo');3fc.assert(4  fc.property(fc.integer(), fc.integer(), (a, b) => {5    return depthIdentifier(a, b);6  })7);

Using AI Code Generation

1const { depthIdentifier } = require('fast-check-monorepo');2test('depthIdentifier', () => {3  expect(depthIdentifier(1)).toBe('1');4  expect(depthIdentifier(2)).toBe('2');5  expect(depthIdentifier(3)).toBe('3');6});7const { depthIdentifier } = require('fast-check-monorepo');8test('depthIdentifier', () => {9  expect(depthIdentifier(1)).toBe('1');10  expect(depthIdentifier(2)).toBe('2');11  expect(depthIdentifier(3)).toBe('3');12});13const { depthIdentifier } = require('fast-check-monorepo');14module.exports = async function() {15  depthIdentifier(1);16};17module.exports = {18};

Using AI Code Generation

1const fc = require('fast-check');2const { depthIdentifier } = require('fast-check-monorepo');3const depthIdentifierArb = depthIdentifier(fc.string(), 2);4fc.assert(5  fc.property(depthIdentifierArb, (id) => {6    return id.length === 2;7  })8);

Using AI Code Generation

1const { depthIdentifier } = require('fast-check-monorepo');2const { assert } = require('chai');3describe('depthIdentifier', () => {4  it('should return depthIdentifier', () => {5    const depth = depthIdentifier();6    assert.equal(depth, 'depthIdentifier');7  });8});9const { depthIdentifier } = require('fast-check-monorepo');10const { assert } = require('chai');11describe('depthIdentifier', () => {12  it('should return depthIdentifier', () => {13    const depth = depthIdentifier();14    assert.equal(depth, 'depthIdentifier');15  });16});17const { depthIdentifier } = require('fast-check-monorepo');18const { assert } = require('chai');19describe('depthIdentifier', () => {20  it('should return depthIdentifier', () => {21    const depth = depthIdentifier();22    assert.equal(depth, 'depthIdentifier');23  });24});25const { depthIdentifier } = require('fast-check-monorepo');26const { assert } = require('chai');27describe('depthIdentifier', () => {28  it('should return depthIdentifier', () => {29    const depth = depthIdentifier();30    assert.equal(depth, 'depthIdentifier');31  });32});33const { depthIdentifier } = require('fast-check-monorepo');34const { assert } = require('chai');35describe('depthIdentifier', () => {36  it('should return depthIdentifier', () => {37    const depth = depthIdentifier();38    assert.equal(depth, 'depthIdentifier');39  });40});41const { depthIdentifier } = require('fast-check-monorepo');42const { assert } = require('chai');43describe('depthIdentifier', () => {44  it('should return depthIdentifier', () => {45    const depth = depthIdentifier();46    assert.equal(depth, 'depthIdentifier');47  });48});49const { depthIdentifier } =

Using AI Code Generation

1const { depthIdentifier } = require('fast-check');2const { identifier } = require('fast-check/lib/types/property/PathValue.js');3const { path } = require('fast-check/lib/types/property/PathValue.js');4const { value } = require('fast-check/lib/types/property/PathValue.js');5const id = depthIdentifier(2);6const id2 = identifier(2);7const id3 = path(2);8const id4 = value(2);9console.log(id);10console.log(id2);11console.log(id3);12console.log(id4);13depthIdentifier(depth: number): number14identifier(depth: number): number15path(depth: number): number16value(depth: number): number17depthIdentifier(depth: number): number18const depthIdentifier = (depth: number): number => depth;19const identifier = (depth: number): number => depth;20const path = (depth: number): number => depth;21const value = (depth: number): number => depth;22depthIdentifier(depth: number): number23identifier(depth: number): number

Using AI Code Generation

1const { depthIdentifier } = require('fast-check-monorepo');2console.log(depthIdentifier(3));3const { depthIdentifier } = require('fast-check-monorepo');4console.log(depthIdentifier(4));5const { depthIdentifier } = require('fast-check-monorepo');6console.log(depthIdentifier(5));7const { depthIdentifier } = require('fast-check-monorepo');8console.log(depthIdentifier(6));9const { depthIdentifier } = require('fast-check-monorepo');10console.log(depthIdentifier(7));11const { depthIdentifier } = require('fast-check-monorepo');12console.log(depthIdentifier(8));13const { depthIdentifier } = require('fast-check-monorepo');14console.log(depthIdentifier(9));15const { depthIdentifier } = require('fast-check-monorepo');16console.log(depthIdentifier(10));17const { depthIdentifier } = require('fast-check-monorepo');18console.log(depthIdentifier(11));19const { depthIdentifier } = require('fast-check-monorepo');20console.log(depthIdentifier(12));21const { depthIdentifier } = require('fast-check-monorepo');22console.log(depthIdentifier(13));23const { depthIdentifier } = require('fast-check-monorepo');24console.log(depthIdentifier(14));25const { depthIdentifier } = require('fast-check-monorepo');26console.log(depthIdentifier(15));27const { depthIdentifier } = require('fast-check-monorepo');28console.log(depthIdentifier(16));

Using AI Code Generation

1const fastCheck = require('fast-check');2const { depthIdentifier } = fastCheck;3const { integer } = fastCheck;4const { tuple } = fastCheck;5const myGenerator = tuple(depthIdentifier(), integer(), integer());6fastCheck.check(myGenerator, (tuple) => {7  console.log(tuple);8});

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