Differential D9235 Diff 27725 web/cashtab-components/src/utils/__tests__/cashtab-helpers.test.ts

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	import { buildPriceEndpoint } from '../cashtab-helpers';			import {
				buildPriceEndpoint,
				priceToSatoshis,
				adjustAmount,
				} from '../cashtab-helpers';

	describe('Component helper functions', () => {			describe('Helper functions match expected performance', () => {
	it('Uses expected price endpoint', () => {			it('Component uses expected price endpoint', () => {
	expect(buildPriceEndpoint('USD')).toBe(			expect(buildPriceEndpoint('USD')).toBe(
	'https://api.coingecko.com/api/v3/simple/price?ids=bitcoin-cash-abc-2&vs_currencies=USD&include_last_updated_at=true',			'https://api.coingecko.com/api/v3/simple/price?ids=bitcoin-cash-abc-2&vs_currencies=USD&include_last_updated_at=true',
	);			);
	});			});

				it('Correctly returns BCHA amount in satoshis given (1) fiat price of BCHA and (2) fiat amount of requested satoshis', () => {
				expect(priceToSatoshis(20, 10)).toBe(50000000);
				});

				it('Converts amount in satoshis as number to amount in BCHA as string', () => {
				expect(adjustAmount(50000000, 8, true)).toBe('0.5');
				});

				it('Converts amount in BCHA as number to amount in satoshis as string', () => {
				expect(adjustAmount(0.5, 8, false)).toBe('50000000');
				});

				it('Converts amount in base unit of arbitrary decimal places as number to amount in as string', () => {
				expect(adjustAmount(50000000, 10, true)).toBe('0.005');
				});

				it('Converts amount with arbitrary decimal places as number to amount as base unit (no decimal places) as string', () => {
				expect(adjustAmount(0.005, 10, false)).toBe('50000000');
				});
	});			});