Differential D9127 Diff 27494 web/cashtab/src/hooks/__tests__/migrations.test.js

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web/cashtab/src/hooks/tests/migrations.test.js

	import { currency } from '../../components/Common/Ticker';			import { currency } from '../../components/Common/Ticker';
	import BigNumber from 'bignumber.js';			import BigNumber from 'bignumber.js';
				import BCHJS from '@psf/bch-js';
				import useBCH from '../useBCH';

	describe('Testing functions for upgrading Cashtab', () => {			describe('Testing functions for upgrading Cashtab', () => {
	it('Replacement currency.dust parameter parsing matches legacy DUST parameter', () => {			it('Replacement currency.dust parameter parsing matches legacy DUST parameter', () => {
	expect(parseFloat(new BigNumber(currency.dust).toFixed(8))).toBe(			expect(parseFloat(new BigNumber(currency.dust).toFixed(8))).toBe(
	0.00000546,			0.00000546,
	);			);
	});			});
				it('toSmallestDenomination() returns false if input is not a BigNumber', () => {
				const { toSmallestDenomination } = useBCH();
				const testInput = 132.12345678;
				expect(toSmallestDenomination(testInput)).toBe(false);
				});
				it(`toSmallestDenomination() returns false if input is a BigNumber with more decimals than specified by cashDecimals parameter`, () => {
				const { toSmallestDenomination } = useBCH();
				const testInput = new BigNumber('132.123456789');
				expect(toSmallestDenomination(testInput, 8)).toBe(false);
				});
				it(`toSmallestDenomination() returns expected value if input is a BigNumber with 8 decimal places`, () => {
				const { toSmallestDenomination } = useBCH();

				const testInput = new BigNumber('100.12345678');
				expect(toSmallestDenomination(testInput, 8)).toStrictEqual(
				new BigNumber('10012345678'),
				);
				});
				it(`toSmallestDenomination() returns expected value if input is a BigNumber with 2 decimal places`, () => {
				const { toSmallestDenomination } = useBCH();

				const testInput = new BigNumber('100.12');
				expect(toSmallestDenomination(testInput, 2)).toStrictEqual(
				new BigNumber('10012'),
				);
				});
				it('toSmallestDenomination() returns exact result as toSatoshi but in BigNumber format', () => {
				const BCH = new BCHJS();
				const { toSmallestDenomination } = useBCH();

				const testAmount = new BigNumber('0.12345678');

				// Match legacy implementation, inputting a BigNumber converted to a string by .toFixed(8)
				const testAmountInSatoshis = BCH.BitcoinCash.toSatoshi(
				testAmount.toFixed(8),
				);

				const testAmountInCashDecimals = toSmallestDenomination(testAmount);

				expect(testAmountInSatoshis).toStrictEqual(12345678);
				expect(testAmountInCashDecimals).toStrictEqual(
				new BigNumber(testAmountInSatoshis),
				);
				});
	});			});