58 lines
2.5 KiB
TypeScript
58 lines
2.5 KiB
TypeScript
import {describe, expect, it} from 'vitest'
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import {dayRangeRole, normalizeRange, resolveRangeBounds} from './dateRange'
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describe('dateRange', () => {
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describe('normalizeRange', () => {
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it('keeps an already ordered pair', () => {
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expect(normalizeRange('2026-05-19', '2026-05-25')).toEqual({start: '2026-05-19', end: '2026-05-25'})
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})
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it('swaps a reversed pair', () => {
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expect(normalizeRange('2026-05-25', '2026-05-19')).toEqual({start: '2026-05-19', end: '2026-05-25'})
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})
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it('handles an equal pair', () => {
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expect(normalizeRange('2026-05-19', '2026-05-19')).toEqual({start: '2026-05-19', end: '2026-05-19'})
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})
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})
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describe('resolveRangeBounds', () => {
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it('returns null without a start', () => {
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expect(resolveRangeBounds(null, null, null)).toBeNull()
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})
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it('returns a single-point range when only start is set', () => {
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expect(resolveRangeBounds('2026-05-19', null, null)).toEqual({lo: '2026-05-19', hi: '2026-05-19'})
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})
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it('orders start and committed end', () => {
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expect(resolveRangeBounds('2026-05-19', '2026-05-25', null)).toEqual({lo: '2026-05-19', hi: '2026-05-25'})
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})
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it('uses preview when end is not set', () => {
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expect(resolveRangeBounds('2026-05-19', null, '2026-05-22')).toEqual({lo: '2026-05-19', hi: '2026-05-22'})
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})
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it('inverts when preview is before start', () => {
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expect(resolveRangeBounds('2026-05-19', null, '2026-05-10')).toEqual({lo: '2026-05-10', hi: '2026-05-19'})
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})
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it('prioritises committed end over preview', () => {
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expect(resolveRangeBounds('2026-05-19', '2026-05-25', '2026-05-30')).toEqual({lo: '2026-05-19', hi: '2026-05-25'})
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})
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})
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describe('dayRangeRole', () => {
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const bounds = {lo: '2026-05-19', hi: '2026-05-25'}
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it('returns none without bounds', () => {
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expect(dayRangeRole('2026-05-20', null)).toBe('none')
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})
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it('returns single when lo === hi and matches', () => {
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expect(dayRangeRole('2026-05-19', {lo: '2026-05-19', hi: '2026-05-19'})).toBe('single')
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expect(dayRangeRole('2026-05-20', {lo: '2026-05-19', hi: '2026-05-19'})).toBe('none')
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})
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it('returns start, end and in-range', () => {
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expect(dayRangeRole('2026-05-19', bounds)).toBe('start')
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expect(dayRangeRole('2026-05-25', bounds)).toBe('end')
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expect(dayRangeRole('2026-05-22', bounds)).toBe('in-range')
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})
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it('returns none outside the bounds', () => {
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expect(dayRangeRole('2026-05-10', bounds)).toBe('none')
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expect(dayRangeRole('2026-05-30', bounds)).toBe('none')
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})
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})
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})
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