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https://github.com/mauriceboe/TREK.git
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jubnl
64 lines
2.3 KiB
TypeScript
64 lines
2.3 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { cleanAmount, cleanAmountText } from '../../../src/utils/formatters';
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/**
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* Money that has been through an uneven split (#1964).
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*
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* A total that does not divide evenly is split into parts that are each exact
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* to the cent, but adding those parts back in floating point does not return
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* the total: 81.61 + 81.60 is 163.20999999999998. The server writes the clean
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* value now, so these two are for what is already stored, and for the places
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* that print a number as it stands rather than through Intl — the expense form
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* when reopened, and the price stamped onto a linked booking.
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*/
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describe('cleanAmount', () => {
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it('gives back the total the parts were meant to add up to', () => {
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expect(cleanAmount(81.61 + 81.60)).toBe(163.21);
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expect(cleanAmount(33.34 + 33.33 + 33.33)).toBe(100);
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});
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it('leaves a value that was already clean untouched', () => {
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expect(cleanAmount(163.21)).toBe(163.21);
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expect(cleanAmount(25)).toBe(25);
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expect(cleanAmount(0)).toBe(0);
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});
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it('keeps a genuine half-cent from being invented or lost', () => {
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// Rounding to cents is the point; a third of a cent is not money.
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expect(cleanAmount(0.005)).toBe(0.01);
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expect(cleanAmount(0.004)).toBe(0);
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});
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it('handles a negative the same way, since a refund is money too', () => {
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expect(cleanAmount(-81.61 - 81.60)).toBe(-163.21);
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});
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});
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describe('cleanAmountText', () => {
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it('tidies a numeric price string', () => {
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expect(cleanAmountText('163.20999999999998')).toBe('163.21');
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expect(cleanAmountText(163.20999999999998)).toBe('163.21');
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});
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/*
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* The booking price field holds whatever the confirmation said. Import writes
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* free text into it, so anything that is not a number has to come back out
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* exactly as it went in rather than as NaN.
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*/
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it('passes free text through untouched', () => {
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expect(cleanAmountText('included in fare')).toBe('included in fare');
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expect(cleanAmountText('EUR 40,00')).toBe('EUR 40,00');
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});
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it('answers empty for nothing at all', () => {
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expect(cleanAmountText(null)).toBe('');
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expect(cleanAmountText(undefined)).toBe('');
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expect(cleanAmountText('')).toBe('');
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});
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it('does not turn whitespace into a zero', () => {
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expect(cleanAmountText(' ')).toBe(' ');
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});
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});
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