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How to use filterInvalidSubdomainLabel method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

domain.ts

Source:domain.ts

1import { array } from './array';2import {3  buildLowerAlphaArbitrary,4  buildLowerAlphaNumericArbitrary,5} from './_internals/builders/CharacterRangeArbitraryBuilder';6import { option } from './option';7import { stringOf } from './stringOf';8import { tuple } from './tuple';9import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';10import { filterInvalidSubdomainLabel } from './_internals/helpers/InvalidSubdomainLabelFiIter';11import { resolveSize, relativeSizeToSize, Size, SizeForArbitrary } from './_internals/helpers/MaxLengthFromMinLength';12import { adapter, AdapterOutput } from './_internals/AdapterArbitrary';13import { safeJoin, safeSlice, safeSplit, safeSubstring } from '../utils/globals';14/** @internal */15function toSubdomainLabelMapper([f, d]: [string, [string, string] | null]): string {16  return d === null ? f : `${f}${d[0]}${d[1]}`;17}18/** @internal */19function toSubdomainLabelUnmapper(value: unknown): [string, [string, string] | null] {20  if (typeof value !== 'string' || value.length === 0) {21    throw new Error('Unsupported');22  }23  if (value.length === 1) {24    return [value[0], null];25  }26  return [value[0], [safeSubstring(value, 1, value.length - 1), value[value.length - 1]]];27}28/** @internal */29function subdomainLabel(size: Size) {30  const alphaNumericArb = buildLowerAlphaNumericArbitrary([]);31  const alphaNumericHyphenArb = buildLowerAlphaNumericArbitrary(['-']);32  // Rq: maxLength = 61 because max length of a label is 63 according to RFC 103433  //     and we add 2 characters to this generated value34  // According to RFC 1034 (confirmed by RFC 1035):35  //   <label>       ::= <letter> [ [ <ldh-str> ] <let-dig> ]36  //   <ldh-str>     ::= <let-dig-hyp> | <let-dig-hyp> <ldh-str>37  //   <let-dig-hyp> ::= <let-dig> | "-"38  //   <letter>      ::= any one of the 52 alphabetic characters A through Z in upper case and a through z in lower case39  //   <digit>       ::= any one of the ten digits 0 through 940  //   "The labels must follow the rules for ARPANET host names.  They must start with a letter, end with a letter or digit, and have as interior41  //    characters only letters, digits, and hyphen.  There are also some restrictions on the length.  Labels must be 63 characters or less."42  // But RFC 1123 relaxed the constraint:43  //   "The syntax of a legal Internet host name was specified in RFC-952[DNS:4]. One aspect of host name syntax is hereby changed: the44  //    restriction on the first character is relaxed to allow either a letter or a digit. Host software MUST support this more liberal syntax."45  return tuple(46    alphaNumericArb,47    option(tuple(stringOf(alphaNumericHyphenArb, { size, maxLength: 61 }), alphaNumericArb))48  )49    .map(toSubdomainLabelMapper, toSubdomainLabelUnmapper)50    .filter(filterInvalidSubdomainLabel);51}52/** @internal */53function labelsMapper(elements: [string[], string]): string {54  return `${safeJoin(elements[0], '.')}.${elements[1]}`;55}56/** @internal */57function labelsUnmapper(value: unknown): [string[], string] {58  if (typeof value !== 'string') {59    throw new Error('Unsupported type');60  }61  const lastDotIndex = value.lastIndexOf('.');62  return [safeSplit(safeSubstring(value, 0, lastDotIndex), '.'), safeSubstring(value, lastDotIndex + 1)];63}64/** @internal */65function labelsAdapter(labels: [string[], string]): AdapterOutput<[string[], string]> {66  // labels[0].length is always >=167  const [subDomains, suffix] = labels;68  let lengthNotIncludingIndex = suffix.length;69  for (let index = 0; index !== subDomains.length; ++index) {70    lengthNotIncludingIndex += 1 + subDomains[index].length;71    // Required by RFC 1034:72    //    To simplify implementations, the total number of octets that represent73    //    a domain name (i.e., the sum of all label octets and label lengths) is limited to 255.74    // It seems that this restriction has been relaxed in modern web browsers.75    if (lengthNotIncludingIndex > 255) {76      return { adapted: true, value: [safeSlice(subDomains, 0, index), suffix] };77    }78  }79  return { adapted: false, value: labels };80}81/**82 * Constraints to be applied on {@link domain}83 * @remarks Since 2.22.084 * @public85 */86export interface DomainConstraints {87  /**88   * Define how large the generated values should be (at max)89   * @remarks Since 2.22.090   */91  size?: Exclude<SizeForArbitrary, 'max'>;92}93/**94 * For domains95 * having an extension with at least two lowercase characters96 *97 * According to {@link https://www.ietf.org/rfc/rfc1034.txt | RFC 1034},98 * {@link https://www.ietf.org/rfc/rfc1035.txt | RFC 1035},99 * {@link https://www.ietf.org/rfc/rfc1123.txt | RFC 1123} and100 * {@link https://url.spec.whatwg.org/ | WHATWG URL Standard}101 *102 * @param constraints - Constraints to apply when building instances (since 2.22.0)103 *104 * @remarks Since 1.14.0105 * @public106 */107export function domain(constraints: DomainConstraints = {}): Arbitrary<string> {108  const resolvedSize = resolveSize(constraints.size);109  const resolvedSizeMinusOne = relativeSizeToSize('-1', resolvedSize);110  // A list of public suffixes can be found here: https://publicsuffix.org/list/public_suffix_list.dat111  // our current implementation does not follow this list and generate a fully randomized suffix112  // which is probably not in this list (probability would be low)113  const alphaNumericArb = buildLowerAlphaArbitrary([]);114  const publicSuffixArb = stringOf(alphaNumericArb, { minLength: 2, maxLength: 63, size: resolvedSizeMinusOne });115  return (116    // labels have between 1 and 63 characters117    // domains are made of dot-separated labels and have up to 255 characters so that are made of up-to 128 labels118    adapter(119      tuple(120        array(subdomainLabel(resolvedSize), { size: resolvedSizeMinusOne, minLength: 1, maxLength: 127 }),121        publicSuffixArb122      ),123      labelsAdapter124    ).map(labelsMapper, labelsUnmapper)125  );...

InvalidSubdomainLabelFiIter.spec.ts

Source:InvalidSubdomainLabelFiIter.spec.ts

...7  const alphaChar = () => fc.mapToConstant({ num: 26, build: (v) => String.fromCharCode(v + 0x61) });8  it('should accept any subdomain composed of only alphabet characters and with at most 63 characters', () =>9    fc.assert(10      fc.property(fc.stringOf(alphaChar(), { minLength: 1, maxLength: 63 }), (subdomainLabel) => {11        expect(filterInvalidSubdomainLabel(subdomainLabel)).toBe(true);12      })13    ));14  it('should reject any subdomain with strictly more than 63 characters', () =>15    fc.assert(16      fc.property(fc.stringOf(alphaChar(), { minLength: 64 }), (subdomainLabel) => {17        expect(filterInvalidSubdomainLabel(subdomainLabel)).toBe(false);18      })19    ));20  it('should reject any subdomain starting by "xn--"', () =>21    fc.assert(22      fc.property(fc.stringOf(alphaChar(), { maxLength: 63 - 'xn--'.length }), (subdomainLabelEnd) => {23        const subdomainLabel = `xn--${subdomainLabelEnd}`;24        expect(filterInvalidSubdomainLabel(subdomainLabel)).toBe(false);25      })26    ));27  it('should not reject subdomains if they start by a substring of "xn--"', () =>28    fc.assert(29      fc.property(30        fc.stringOf(alphaChar(), { maxLength: 63 - 'xn--'.length }),31        fc.nat('xn--'.length - 1),32        (subdomainLabelEnd, keep) => {33          const subdomainLabel = `${'xn--'.substring(0, keep)}${subdomainLabelEnd}`;34          expect(filterInvalidSubdomainLabel(subdomainLabel)).toBe(true);35        }36      )37    ));...

InvalidSubdomainLabelFiIter.ts

Source:InvalidSubdomainLabelFiIter.ts

1/** @internal */2export function filterInvalidSubdomainLabel(subdomainLabel: string): boolean {3  // Here our definition of a subdomain is <label> and "[l]abels must be 63 characters or less"4  // According RFC 1034 a subdomain should be defined as follows:5  //  - <subdomain> ::= <label> | <subdomain> "." <label>6  //  - <label> ::= <letter> [ [ <ldh-str> ] <let-dig> ]7  //  - <ldh-str> ::= <let-dig-hyp> | <let-dig-hyp> <ldh-str>8  //  - <let-dig-hyp> ::= <let-dig> | "-"9  //  - <let-dig> ::= <letter> | <digit>10  //  - <letter> ::= any one of the 52 alphabetic characters A through Z in upper case and a through z in lower case11  //  - <digit> ::= any one of the ten digits 0 through 912  // If we strictly follow RFC 1034, 9gag would be an invalid domain. Support for such domain has been added by ....13  if (subdomainLabel.length > 63) {14    return false; // invalid, it seems that this restriction has been relaxed in modern web browsers15  }16  // We discard any subdomain starting by xn--...

Using AI Code Generation

1var filterInvalidSubdomainLabel = require('fast-check-monorepo').filterInvalidSubdomainLabel;2console.log(filterInvalidSubdomainLabel('test'));3console.log(filterInvalidSubdomainLabel('test3'));4console.log(filterInvalidSubdomainLabel('test.test'));5console.log(filterInvalidSubdomainLabel('test.test3'));6console.log(filterInvalidSubdomainLabel('test3.test'));7console.log(filterInvalidSubdomainLabel('test3.test3'));8console.log(filterInvalidSubdomainLabel('test.test.test'));9console.log(filterInvalidSubdomainLabel('test.test.test3'));10console.log(filterInvalidSubdomainLabel('test.test3.test'));11console.log(filterInvalidSubdomainLabel('test.test3.test3'));12console.log(filterInvalidSubdomainLabel('test3.test.test'));13console.log(filterInvalidSubdomainLabel('test3.test.test3'));14console.log(filterInvalidSubdomainLabel('test3.test3.test'));15console.log(filterInvalidSubdomainLabel('test3.test3.test3'));16var filterInvalidSubdomainLabel = require('fast-check-monorepo').filterInvalidSubdomainLabel;17console.log(filterInvalidSubdomainLabel('test'));18console.log(filterInvalidSubdomainLabel('test3'));19console.log(filterInvalidSubdomainLabel('test.test'));20console.log(filterInvalidSubdomainLabel('test.test3'));21console.log(filterInvalidSubdomainLabel('test3.test'));22console.log(filterInvalidSubdomainLabel('test3.test3'));23console.log(filterInvalidSubdomainLabel('test.test.test'));24console.log(filterInvalidSubdomainLabel('test.test.test3'));25console.log(filterInvalidSubdomainLabel('test.test3.test'));26console.log(filterInvalidSubdomainLabel('test.test3.test3'));27console.log(filterInvalidSubdomainLabel('test3.test.test'));28console.log(filterInvalidSubdomainLabel('test3.test.test3'));29console.log(filterInvalidSubdomainLabel('test3.test3.test'));30console.log(filterInvalidSubdomainLabel('test3.test3.test3'));

Using AI Code Generation

1const { filterInvalidSubdomainLabel } = require('./filterInvalidSubdomainLabel');2const fc = require('fast-check');3const { expect } = require('chai');4describe('filterInvalidSubdomainLabel', () => {5  it('should return false when the provided string is not a valid subdomain label', () => {6    fc.assert(7      fc.property(8          .string()9          .filter((s) => s.length > 0)10          .filter((s) => s.length <= 63)11          .filter((s) => !s.startsWith('-'))12          .filter((s) => !s.endsWith('-'))13          .filter((s) => s.indexOf('--') === -1)14          .filter((s) => !/[^a-z0-9-]/gi.test(s)),15        (s) => {16          expect(filterInvalidSubdomainLabel(s)).to.equal(false);17        }18    );19  });20});21const { filterInvalidSubdomainLabel } = require('./filterInvalidSubdomainLabel');22const fc = require('fast-check');23const { expect } = require('chai');24describe('filterInvalidSubdomainLabel', () => {25  it('should return true when the provided string is not a valid subdomain label', () => {26    fc.assert(27      fc.property(28          .string()29          .filter((s) => s.length > 0)30          .filter((s) => s.length <= 63)31          .filter((s) => !s.startsWith('-'))32          .filter((s) => !s.endsWith('-'))33          .filter((s) => s.indexOf('--') === -1)34          .filter((s) => !/[^a-z0-9-]/gi.test(s)),35        (s) => {36          expect(filterInvalidSubdomainLabel(s)).to.equal(true);37        }38    );39  });40});41const filterInvalidSubdomainLabel = (label) => {42  if (43    label.startsWith('-') ||44    label.endsWith('-') ||45    label.indexOf('--') !== -1 ||46    /[^a-z0-9-]/gi.test(label)47  ) {48    return false;49  }50  return true;51};52module.exports = {

Using AI Code Generation

1const fc = require('fast-check');2const { filterInvalidSubdomainLabel } = require('fast-check-monorepo/lib/check/arbitrary/DomainArbitrary.js');3const { stringOf } = require('fast-check-monorepo/lib/check/arbitrary/CharacterArbitrary.js');4const { convertToNext } = require('fast-check-monorepo/lib/check/arbitrary/definition/Converters.js');5const { convertFromNext } = require('fast-check-monorepo/lib/check/arbitrary/definition/Converters.js');6const stringOfSubdomainLabel = convertFromNext(7  filterInvalidSubdomainLabel(8    convertToNext(stringOf(fc.char())).map((s) => `${s}.`)9);10fc.assert(11  fc.property(stringOfSubdomainLabel(), (s) => {12    console.log(s);13    return true;14  })15);

Using AI Code Generation

1const { filterInvalidSubdomainLabel } = require('fast-check-monorepo');2const test = filterInvalidSubdomainLabel('test');3console.log(test);4const { filterInvalidSubdomainLabel } = require('fast-check');5const test = filterInvalidSubdomainLabel('test');6console.log(test);7const { filterInvalidSubdomainLabel } = require('fast-check-monorepo');8const test = filterInvalidSubdomainLabel('test');9console.log(test);10{11  "compilerOptions": {12    "paths": {13    }14  },15}16{17  "compilerOptions": {18  },19}20{21  "compilerOptions": {

Using AI Code Generation

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

Using AI Code Generation

1var fastcheck = require("fast-check");2var label = fastcheck.filterInvalidSubdomainLabel;3console.log("label:", label);4var fastcheck = require("fast-check");5var label = fastcheck.filterInvalidSubdomainLabel;6console.log("label:", label);7var fastcheck = require("fast-check");8var label = fastcheck.filterInvalidSubdomainLabel;9console.log("label:", label);10var fastcheck = require("fast-check");11var label = fastcheck.filterInvalidSubdomainLabel;12console.log("label:", label);13var fastcheck = require("fast-check");14var label = fastcheck.filterInvalidSubdomainLabel;15console.log("label:", label);16var fastcheck = require("fast-check");

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