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29 lines
837 B
TypeScript
29 lines
837 B
TypeScript
import { describe, it, expect } from 'vitest';
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import { formatQuantity } from '../../src/lib/quantity-format';
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describe('formatQuantity', () => {
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it('renders null as empty string', () => {
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expect(formatQuantity(null)).toBe('');
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});
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it('renders whole numbers as integer', () => {
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expect(formatQuantity(400)).toBe('400');
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});
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it('renders near-integer as integer (epsilon 0.01)', () => {
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expect(formatQuantity(400.001)).toBe('400');
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expect(formatQuantity(399.999)).toBe('400');
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});
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it('renders fractional with up to 2 decimals, trailing zeros trimmed', () => {
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expect(formatQuantity(0.5)).toBe('0.5');
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expect(formatQuantity(0.333333)).toBe('0.33');
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expect(formatQuantity(1.1)).toBe('1.1');
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expect(formatQuantity(1.1)).toBe('1.1');
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});
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it('handles zero', () => {
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expect(formatQuantity(0)).toBe('0');
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});
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});
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