How to use additionalCheck method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

rules.test.ts

Source:rules.test.ts

1import Big from "big.js";2import moment from "moment";3import { Rules } from "./rules";4import { RawRecord } from "./transaction";5test("Transforms a RuleDesc such that additionalCondition can be eval'd", () => {6  const ruleDesc: Rules.RuleDesc = {7    regex: ".*",8    category: "coffee/hip",9    additionalCheck: "isDebit({ min: 4.0 })",10  };11  const rule = Rules.toRule(ruleDesc);12  expect(rule.additionalCheck).toBeInstanceOf(Function);13  expect(rule.additionalCheck!(withAmount(-3))).toEqual(false);14  expect(rule.additionalCheck!(withAmount(-5))).toEqual(true);15});16test("or() can be used in rule additionalChecks (not `||`)", () => {17  const ruleDesc: Rules.RuleDesc = {18    regex: ".*",19    category: "what",20    additionalCheck: "isDebit({ eq: 4.0 }).or(isCredit({ eq: 4.0 }))",21  };22  const rule = Rules.toRule(ruleDesc);23  expect(rule.additionalCheck).toBeInstanceOf(Function);24  expect(rule.additionalCheck!(withAmount(-4))).toEqual(true);25  expect(rule.additionalCheck!(withAmount(+4))).toEqual(true);26  expect(rule.additionalCheck!(withAmount(+5))).toEqual(false);27  expect(rule.additionalCheck!(withAmount(-5))).toEqual(false);28});29test("regexp with no slash is used with no flags", () => {30  const rule = Rules.toRule(withRegexpString("^foo"));31  expect(rule.regex.test("foo bar")).toEqual(true);32  expect(rule.regex.test("bar foo")).toEqual(false);33  expect(rule.regex.test("Foo bar")).toEqual(false);34});35test("regexp slashes and no flags is fine", () => {36  const rule = Rules.toRule(withRegexpString("/^foo/"));37  expect(rule.regex.test("foo bar")).toEqual(true);38  expect(rule.regex.test("bar foo")).toEqual(false);39  expect(rule.regex.test("Foo bar")).toEqual(false);40});41test("regexp slashes and flags is taking flags into account", () => {42  const rule = Rules.toRule(withRegexpString("/^foo/i"));43  expect(rule.regex.test("foo bar")).toEqual(true);44  expect(rule.regex.test("bar foo")).toEqual(false);45  expect(rule.regex.test("Foo bar")).toEqual(true);46  expect(rule.regex.test("fOO Bar")).toEqual(true);47});48test("regexp slashes needs at least both slashes or throws exception", () => {49  expect(() => Rules.toRule(withRegexpString("/^foo"))).toThrow(50    "Invalid regular expression"51  );52});53// Not actually super keen to make this work54test.skip("regex only last slash throws exception", () => {55  expect(() => Rules.toRule(withRegexpString("^foo/"))).toThrow(56    "Invalid regular expression"57  );58  expect(() => Rules.toRule(withRegexpString("^foo/i"))).toThrow(59    "Invalid regular expression"60  );61});62test("regexp slashes and invalid flag throws exception", () => {63  expect(() => Rules.toRule(withRegexpString("/^foo/z"))).toThrow(64    /invalid flags/i65  );66});67const withRegexpString = (r: string): Rules.RuleDesc => ({68  regex: r,69  category: "lol",70});71const withAmount = (n: number): RawRecord => {72  return {73    id: "ignore me",74    account: { id: "1", name: "test account" },75    date: moment(),76    desc: "test record",77    amount: new Big(n),78  };...

rules.ts

Source:rules.ts

1import * as yaml from "js-yaml";2import { evalAsFunction } from "../util/eval";3import { Logger } from "../util/log";4import { Category } from "./category";5import { RawRecord } from "./transaction";6export namespace Rules {7  type AdditionalCheck = (transaction: RawRecord) => boolean;8  type AdditionalCheckTS = string;9  /* The rule, pretty much as described in the yaml file -- could even have comments, line numbers, the lot */10  export interface RuleDesc {11    readonly merchant?: string;12    readonly category: string;13    readonly regex: string;14    readonly additionalCheck?: AdditionalCheckTS;15  }16  /* The rule, as used at runtime */17  export interface Rule {18    readonly merchant?: string;19    readonly category: Category;20    readonly regex: RegExp;21    readonly additionalCheck?: AdditionalCheck;22  }23  export const extractCategories = (rules: RuleDesc[]) => {24    const allCats = rules.map((r) => r.category);25    // remove dupes26    return Array.from(new Set(allCats)).sort();27  };28  // For transactions and dateRange, we're doing conversions in worker/transfer,29  // to workaround the types of Big.js and moment.js that aren't "transferrable" between webworkers.30  // Here, we want to eval/type a Function from a string, which is incompatible but we also don't want31  // to eval it every time we send work to worker?32  export const toRule: (r: RuleDesc) => Rule = (r: RuleDesc) => {33    return {34      regex: parseRegex(r.regex),35      category: r.category,36      merchant: r.merchant,37      additionalCheck: r.additionalCheck38        ? evalRule(r.additionalCheck)39        : undefined,40    };41  };42  function parseRegex(regexStr: string): RegExp {43    if (regexStr[0] === "/") {44      const lastIndexOf = regexStr.lastIndexOf("/");45      if (lastIndexOf < 1) {46        throw new Error("Invalid regular expression");47      }48      const exp = regexStr.slice(1, lastIndexOf);49      const flags = regexStr.slice(lastIndexOf + 1);50      return new RegExp(exp, flags);51    } else {52      return new RegExp(regexStr);53    }54  }55  function evalRule(additionalCheck: AdditionalCheckTS): AdditionalCheck {56    return evalAsFunction<RawRecord, boolean>(additionalCheck);57  }58  export class RulesLoader {59    constructor(readonly log: Logger) {60      this.log = log;61    }62    loadYaml(yamlContent: string): RuleDesc[] {63      const doc = yaml.load(yamlContent);64      if (!Array.isArray(doc)) {65        throw new Error("Rules yaml should be an array");66      } else {67        return Array.from(doc).map((yamlElement) => {68          return {69            merchant: yamlElement["merchant"],70            category: yamlElement["category"],71            regex: yamlElement["regex"],72            additionalCheck: yamlElement["additionalCheck"],73          };74        });75      }76    }77  }...

filters.ts

Source:filters.ts

...21      getValue(u.value) > 0 || getValue(u.value) === -100;22  }23  return (item: AnnoItem) =>24    filterValue === "all" ||25    item.upgrades.some((u) => u.key === filterValue && additionalCheck(u));26}27export function byRarity(filterValue: string) {28  return (item: AnnoItem) =>29    filterValue === "all" || item.rarityLabel === filterValue;30}31export function byFavourite(filterValue: boolean) {32  return (item: AnnoItem) => filterValue === false || item.favourite;33}34function getValue(value: number | { Value: number }) {35  return typeof value === "number" ? value : value.Value;...

Using AI Code Generation

1const additionalCheck = require("fast-check-monorepo").additionalCheck;2const fc = require("fast-check");3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5describe("additionalCheck", () => {6  test("isEven", () =>7    additionalCheck(8      fc.integer(),9      (n) => isEven(n) || isOdd(n),10    ));11});12-   [additionalCheck](#additionalcheck)13    -   [Parameters](#parameters)14    -   [Examples](#examples)15-   [additionalCheckAsync](#additionalcheckasync)16    -   [Parameters](#parameters-1)17    -   [Examples](#examples-1)18-   [additionalCheckProperty](#additionalcheckproperty)19    -   [Parameters](#parameters-2)20    -   [Examples](#examples-2)21-   [additionalCheckPropertyAsync](#additionalcheckpropertyasync)22    -   [Parameters](#parameters-3)23    -   [Examples](#examples-3)24-   [additionalCheckPropertyWithConfig](#additionalcheckpropertywithconfig)25    -   [Parameters](#parameters-4)26    -   [Examples](#examples-4)27-   [additionalCheckPropertyWithConfigAsync](#additionalcheckpropertywithconfigasync)28    -   [Parameters](#parameters-5)29    -   [Examples](#examples-5)30-   [additionalCheckPropertyWithConfigAndSeed](#additionalcheckpropertywithconfigandseed)31    -   [Parameters](#parameters-6)32    -   [Examples](#examples-6)33-   [additionalCheckPropertyWithConfigAndSeedAsync](#additionalcheckpropertywithconfigandseedasync)34    -   [Parameters](#parameters-7)35    -   [Examples](#examples-7)36-   [additionalCheckPropertyWithSeed](#additionalcheckpropertywithseed)37    -   [Parameters](#parameters-8)38    -   [Examples](#examples-8)39-   [additionalCheckPropertyWithSeedAsync](#additionalcheckpropertywithseedasync)40    -   [Parameters](#parameters-9)

Using AI Code Generation

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

Using AI Code Generation

1const fc = require("fast-check");2fc.assert(3  fc.property(fc.integer(), fc.integer(), (a, b) => {4    return additionalCheck(a, b);5  })6);7  ✓ should hold (4ms)

Using AI Code Generation

1const additionalCheck = require('fast-check-monorepo/additionalCheck');2const additionalCheck = require('fast-check-monorepo');3const additionalCheck = require('fast-check-monorepo');4const additionalCheck = require('fast-check-monorepo');5const additionalCheck = require('fast-check-monorepo');6const additionalCheck = require('fast-check-monorepo');7const additionalCheck = require('fast-check-monorepo');

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