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