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import { |
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cn, |
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fmt, |
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formatDate, |
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formatTooltipDate, |
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formatXAxisDate, |
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} from '../../lib/utils'; |
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|
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beforeAll(() => { |
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global.DISCO = { ...global.DISCO, base_currency: '$' }; |
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}); |
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|
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describe('Utility functions', () => { |
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describe('cn', () => { |
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it('merges class names', () => { |
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const result = cn('foo', 'bar'); |
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expect(result).toContain('foo'); |
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expect(result).toContain('bar'); |
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}); |
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|
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it('handles conditional classes', () => { |
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const result = cn('base', false && 'hidden', 'visible'); |
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expect(result).toContain('base'); |
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expect(result).toContain('visible'); |
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expect(result).not.toContain('hidden'); |
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}); |
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|
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it('handles undefined and null', () => { |
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const result = cn('base', undefined, null); |
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expect(result).toBe('base'); |
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}); |
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}); |
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|
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describe('fmt', () => { |
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it('formats a number as USD currency', () => { |
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expect(fmt(1234.5)).toBe('$1,234.50'); |
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}); |
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|
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it('formats zero', () => { |
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expect(fmt(0)).toBe('$0.00'); |
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}); |
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|
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it('formats large numbers with commas', () => { |
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expect(fmt(1000000)).toBe('$1,000,000.00'); |
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}); |
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|
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it('formats decimals to 2 places', () => { |
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expect(fmt(99.999)).toBe('$100.00'); |
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}); |
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|
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it('handles string numbers', () => { |
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expect(fmt('250.5')).toBe('$250.50'); |
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}); |
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}); |
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|
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describe('formatDate', () => { |
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it('formats a date string to locale format', () => { |
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const result = formatDate('2025-05-15'); |
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expect(result).toMatch(/May\s+15,\s+2025/); |
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}); |
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|
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it('returns dash for null/undefined', () => { |
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expect(formatDate(null)).toBe('—'); |
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expect(formatDate(undefined)).toBe('—'); |
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expect(formatDate('')).toBe('—'); |
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}); |
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}); |
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|
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describe('formatTooltipDate', () => { |
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it('formats a day interval date', () => { |
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const result = formatTooltipDate('2025-05-15', 'day'); |
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expect(result).toMatch(/May\s+15,\s+2025/); |
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}); |
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|
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it('formats a week interval with range', () => { |
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const result = formatTooltipDate('2025-05-12', 'week'); |
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// Should show May 12 - May 18 (7 day range) |
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expect(result).toContain('-'); |
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expect(result).toMatch(/May\s+12/); |
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expect(result).toMatch(/May\s+18/); |
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}); |
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|
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it('formats a month interval with full month range', () => { |
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const result = formatTooltipDate('2025-05-01', 'month'); |
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expect(result).toContain('-'); |
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expect(result).toMatch(/May\s+1/); |
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expect(result).toMatch(/May\s+31/); |
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}); |
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}); |
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|
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describe('formatXAxisDate', () => { |
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it('formats short range date with month and day', () => { |
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const result = formatXAxisDate('2025-05-15', false); |
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expect(result).toMatch(/May\s+15/); |
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}); |
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|
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it('formats long range date with month and year', () => { |
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const result = formatXAxisDate('2025-05-15', true); |
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expect(result).toMatch(/May\s+25/); |
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}); |
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}); |
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|
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describe('Edge cases', () => { |
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it('fmt handles NaN gracefully', () => { |
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const result = fmt(NaN); |
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expect(result).toBe('$NaN'); |
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}); |
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|
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it('fmt handles undefined', () => { |
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const result = fmt(undefined); |
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expect(result).toBe('$NaN'); |
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}); |
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|
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it('fmt handles null', () => { |
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const result = fmt(null); |
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expect(result).toBe('$0.00'); |
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}); |
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|
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it('fmt handles negative numbers', () => { |
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const result = fmt(-500.5); |
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expect(result).toMatch(/-?\$?500\.50/); |
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}); |
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|
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it('fmt handles very large numbers', () => { |
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const result = fmt(99999999.99); |
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expect(result).toBe('$99,999,999.99'); |
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}); |
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}); |
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}); |
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