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import {
formatUsd,
usdToBtc
} from '../../app/utils/usd'
describe('usd', () => {
describe('formatUsd', () => {
it('should handle a string value', () => {
expect(formatUsd('42.0')).toBe('$42.00')
})
it('should handle a numerical value', () => {
expect(formatUsd(42.0)).toBe('$42.00')
})
it('should round to two decimal places', () => {
expect(formatUsd('42.416')).toBe('$42.42')
})
})
describe('usdToBtc', () => {
it('should convert USD to BTC using rate', () => {
expect(usdToBtc(1, 50)).toBe('0.02000000')
})
it('should round to eight decimal places', () => {
expect(usdToBtc(2, 3)).toBe('0.66666667')
})
})
})