30 lines
967 B
TypeScript
30 lines
967 B
TypeScript
import { describe, expect, it } from 'vitest';
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import { formatRelativeTime } from './relativeTime';
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describe('formatRelativeTime', () => {
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const now = new Date('2024-01-10T12:00:00Z');
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it('returns empty string when value is missing', () => {
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expect(formatRelativeTime(null, { now })).toBe('');
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});
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it('returns original value for invalid date strings', () => {
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expect(formatRelativeTime('not-a-date', { now })).toBe('not-a-date');
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});
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it('formats recent timestamps', () => {
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const result = formatRelativeTime('2024-01-10T11:59:30Z', { now, locale: 'en' });
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expect(result).toContain('second');
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});
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it('formats hours ago', () => {
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const result = formatRelativeTime('2024-01-10T11:00:00Z', { now, locale: 'en' });
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expect(result).toBe('1 hour ago');
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});
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it('formats future days', () => {
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const result = formatRelativeTime('2024-01-13T12:00:00Z', { now, locale: 'en' });
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expect(result).toBe('in 3 days');
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});
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});
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