01d6ff3fa3
Restructure tests into __tests__/ directories at package root so they can be excluded from production builds. Add unit tests for dates, currency, lookup service, payment method default logic, and tax exemption state transitions.
80 lines
2.1 KiB
TypeScript
80 lines
2.1 KiB
TypeScript
import { describe, it, expect } from 'bun:test'
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import { isMinor, capBillingDay, todayISO } from '../../src/utils/dates.js'
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describe('isMinor', () => {
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it('returns true for a child born 10 years ago', () => {
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const dob = new Date()
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dob.setFullYear(dob.getFullYear() - 10)
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expect(isMinor(dob)).toBe(true)
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})
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it('returns false for an adult born 25 years ago', () => {
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const dob = new Date()
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dob.setFullYear(dob.getFullYear() - 25)
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expect(isMinor(dob)).toBe(false)
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})
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it('returns true for someone turning 18 later this year', () => {
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const dob = new Date()
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dob.setFullYear(dob.getFullYear() - 18)
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dob.setMonth(dob.getMonth() + 1) // birthday is next month
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expect(isMinor(dob)).toBe(true)
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})
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it('returns false for someone who turned 18 earlier this year', () => {
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const dob = new Date()
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dob.setFullYear(dob.getFullYear() - 18)
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dob.setMonth(dob.getMonth() - 1) // birthday was last month
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expect(isMinor(dob)).toBe(false)
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})
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it('returns false on their 18th birthday', () => {
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const dob = new Date()
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dob.setFullYear(dob.getFullYear() - 18)
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expect(isMinor(dob)).toBe(false)
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})
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it('accepts a string date', () => {
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expect(isMinor('2000-01-01')).toBe(false)
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expect(isMinor('2020-01-01')).toBe(true)
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})
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it('returns true for a newborn', () => {
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expect(isMinor(new Date())).toBe(true)
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})
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})
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describe('capBillingDay', () => {
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it('caps at 28', () => {
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expect(capBillingDay(31)).toBe(28)
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expect(capBillingDay(29)).toBe(28)
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})
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it('floors at 1', () => {
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expect(capBillingDay(0)).toBe(1)
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expect(capBillingDay(-5)).toBe(1)
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})
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it('passes through valid days', () => {
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expect(capBillingDay(15)).toBe(15)
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expect(capBillingDay(1)).toBe(1)
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expect(capBillingDay(28)).toBe(28)
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})
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it('floors fractional days', () => {
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expect(capBillingDay(15.7)).toBe(15)
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})
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})
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describe('todayISO', () => {
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it('returns YYYY-MM-DD format', () => {
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const result = todayISO()
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expect(result).toMatch(/^\d{4}-\d{2}-\d{2}$/)
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})
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it('matches today', () => {
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const expected = new Date().toISOString().split('T')[0]
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expect(todayISO()).toBe(expected)
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})
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})
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