@ww-samuel/to-words/__tests__/hi-IN.test.ts

Converts numbers (including decimal points) into words & currency.

import { cloneDeep } from 'lodash';
import { ToWords } from '../src/ToWords';
import hiIn from '../src/locales/hi-IN';

const localeCode = 'hi-IN';
const toWords = new ToWords({
  localeCode,
});

describe('Test Locale', () => {
  test(`Locale Class: ${localeCode}`, () => {
    expect(toWords.getLocaleClass()).toBe(hiIn);
  });

  const wrongLocaleCode = localeCode + '-wrong';
  test(`Wrong Locale: ${wrongLocaleCode}`, () => {
    const toWordsWrongLocale = new ToWords({
      localeCode: wrongLocaleCode,
    });
    expect(() => toWordsWrongLocale.convert(1)).toThrow(/Unknown Locale/);
  });
});

const testIntegers = [
  [0, 'शून्य'],
  [137, 'एक सौ सैंतीस'],
  [700, 'सात सौ'],
  [4680, 'चार हज़ार छह सौ अस्सी'],
  [63892, 'तिरसठ हज़ार आठ सौ बानवे'],
  [792581, 'सात लाख बानवे हज़ार पांच सौ इक्यासी'],
  [2741034, 'सत्ताईस लाख इकतालीस हज़ार चौंतीस'],
  [86429753, 'आठ करोड़ चौंसठ लाख उनतीस हज़ार सात सौ तिरेपन'],
  [975310864, 'सत्तानवे करोड़ तिरेपन लाख दस हज़ार आठ सौ चौंसठ'],
  [9876543210, 'नौ सौ सतासी करोड़ पैंसठ लाख तैंतालीस हज़ार दो सौ दस'],
  [98765432101, 'नौ हज़ार आठ सौ छिहत्तर करोड़ चौबन लाख बत्तीस हज़ार एक सौ एक'],
  [987654321012, 'अट्ठानवे हज़ार सात सौ पैंसठ करोड़ तैंतालीस लाख इक्कीस हज़ार बारह'],
  [9876543210123, 'नौ लाख सतासी हज़ार छह सौ चौबन करोड़ बत्तीस लाख दस हज़ार एक सौ तेईस'],
  [98765432101234, 'अट्ठानवे लाख छिहत्तर हज़ार पांच सौ तैंतालीस करोड़ इक्कीस लाख एक हज़ार दो सौ चौंतीस'],
];

describe('Test Integers with options = {}', () => {
  test.each(testIntegers)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number)).toBe(expected);
  });
});

describe('Test Negative Integers with options = {}', () => {
  const testNegativeIntegers = cloneDeep(testIntegers);
  testNegativeIntegers.map((row, i) => {
    if (i === 0) {
      return;
    }
    row[0] = -row[0];
    row[1] = `ऋण ${row[1]}`;
  });

  test.each(testNegativeIntegers)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number)).toBe(expected);
  });
});

describe('Test Integers with options = { currency: true }', () => {
  const testIntegersWithCurrency = cloneDeep(testIntegers);
  testIntegersWithCurrency.map((row) => {
    row[1] = `${row[1]} रुपये`;
  });

  test.each(testIntegersWithCurrency)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number, { currency: true })).toBe(expected);
  });
});

describe('Test Integers with options = { currency: true, doNotAddOnly: true }', () => {
  const testIntegersWithCurrency = cloneDeep(testIntegers);
  testIntegersWithCurrency.map((row) => {
    row[1] = `${row[1]} रुपये`;
  });

  test.each(testIntegersWithCurrency)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number, { currency: true, doNotAddOnly: true })).toBe(expected);
  });
});

describe('Test Integers with options = { currency: true, ignoreZeroCurrency: true }', () => {
  const testIntegersWithCurrencyAndIgnoreZeroCurrency = cloneDeep(testIntegers);
  testIntegersWithCurrencyAndIgnoreZeroCurrency.map((row, i) => {
    if (i === 0) {
      row[1] = '';
      return;
    }
    row[1] = `${row[1]} रुपये`;
  });

  test.each(testIntegersWithCurrencyAndIgnoreZeroCurrency)('convert %d => %s', (input, expected) => {
    expect(
      toWords.convert(input as number, {
        currency: true,
        ignoreZeroCurrency: true,
      }),
    ).toBe(expected);
  });
});

const testFloats = [
  [0.0, 'शून्य'],
  [0.04, 'शून्य दशांश शून्य चार'],
  [0.0468, 'शून्य दशांश शून्य चार छह आठ'],
  [0.4, 'शून्य दशांश चार'],
  [0.63, 'शून्य दशांश तिरसठ'],
  [0.973, 'शून्य दशांश नौ सौ तिहत्तर'],
  [0.999, 'शून्य दशांश नौ सौ निन्यानवे'],
  [37.06, 'सैंतीस दशांश शून्य छह'],
  [37.068, 'सैंतीस दशांश शून्य छह आठ'],
  [37.68, 'सैंतीस दशांश अड़सठ'],
  [37.683, 'सैंतीस दशांश छह सौ तिरासी'],
];

describe('Test Floats with options = {}', () => {
  test.each(testFloats)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number)).toBe(expected);
  });
});

const testFloatsWithCurrency: [number, string][] = [
  [0.0, 'शून्य रुपये'],
  [0.04, 'शून्य रुपये और चार पैसे'],
  [0.0468, 'शून्य रुपये और पांच पैसे'],
  [0.4, 'शून्य रुपये और चालीस पैसे'],
  [0.63, 'शून्य रुपये और तिरसठ पैसे'],
  [0.973, 'शून्य रुपये और सत्तानवे पैसे'],
  [0.999, 'एक रुपये'],
  [37.06, 'सैंतीस रुपये और छह पैसे'],
  [37.068, 'सैंतीस रुपये और सात पैसे'],
  [37.68, 'सैंतीस रुपये और अड़सठ पैसे'],
  [37.683, 'सैंतीस रुपये और अड़सठ पैसे'],
];

describe('Test Floats with options = { currency: true }', () => {
  test.each(testFloatsWithCurrency)('convert %d => %s', (input, expected) => {
    expect(toWords.convert(input as number, { currency: true })).toBe(expected);
  });
});

describe('Test Floats with options = { currency: true, ignoreZeroCurrency: true }', () => {
  const testFloatsWithCurrencyAndIgnoreZeroCurrency = cloneDeep(testFloatsWithCurrency);
  testFloatsWithCurrencyAndIgnoreZeroCurrency[0][1] = '';
  testFloatsWithCurrencyAndIgnoreZeroCurrency.map((row, i) => {
    if (i === 0) {
      row[1] = '';
      return;
    }
    if (row[0] > 0 && row[0] < 1) {
      row[1] = (row[1] as string).replace(`शून्य रुपये और `, '');
    }
  });

  test.each(testFloatsWithCurrencyAndIgnoreZeroCurrency)('convert %d => %s', (input, expected) => {
    expect(
      toWords.convert(input as number, {
        currency: true,
        ignoreZeroCurrency: true,
      }),
    ).toBe(expected);
  });
});

describe('Test Floats with options = { currency: true, ignoreDecimal: true }', () => {
  const testFloatsWithCurrencyAndIgnoreDecimal = cloneDeep(testFloatsWithCurrency);
  testFloatsWithCurrencyAndIgnoreDecimal.map((row) => {
    if (row[0] === 0.999) {
      row[1] = `शून्य रुपये`;
    } else {
      row[1] = (row[1] as string).replace(new RegExp(` और [\u0900-\u097F ]+ पैसे`), '');
    }
  });

  test.each(testFloatsWithCurrencyAndIgnoreDecimal)('convert %d => %s', (input, expected) => {
    expect(
      toWords.convert(input as number, {
        currency: true,
        ignoreDecimal: true,
      }),
    ).toBe(expected);
  });
});

describe('Test Floats with options = { currency: true, ignoreZeroCurrency: true, ignoreDecimal: true }', () => {
  const testFloatsWithCurrencyAndIgnoreZeroCurrencyAndIgnoreDecimals = cloneDeep(testFloatsWithCurrency);
  testFloatsWithCurrencyAndIgnoreZeroCurrencyAndIgnoreDecimals[0][1] = '';
  testFloatsWithCurrencyAndIgnoreZeroCurrencyAndIgnoreDecimals.map((row) => {
    if (row[0] > 0 && row[0] < 1) {
      row[1] = '';
    }
    row[1] = (row[1] as string).replace(new RegExp(` और [\u0900-\u097F ]+ पैसे`), '');
  });

  test.each(testFloatsWithCurrencyAndIgnoreZeroCurrencyAndIgnoreDecimals)('convert %d => %s', (input, expected) => {
    expect(
      toWords.convert(input as number, {
        currency: true,
        ignoreZeroCurrency: true,
        ignoreDecimal: true,
      }),
    ).toBe(expected);
  });
});