/report · demo-3 · baked output

Tax Calculation Rounding

Medium risk change in tax calculation rounding behavior

MEDIUM

overall

MEDIUM

files

cross-svc

critical

high

medium

low

changed symbols

services/billing/utils.ts

calculateTax function

− function calculateTax(amount: number): number

+ function calculateTax(amount: number): number

impacts

risk	file	line	symbol	reason	kind
MEDIUM	services/billing/checkout.ts	18	calculateTax	Rounding behavior changed - test assertions may need updates	direct
MEDIUM	services/billing/invoice.ts	16	calculateTax	Invoice totals now rounded - test assertions may need updates	direct

dependency graph

suggested regression tests

demo-monorepo/tests/regression/cascade-tax-rounding.spec.ts// jest

describe('calculateTax rounding', () => {
  it('should round to 2 decimal places', () => {
    const result = calculateTax(100.00);
    expect(result).toBe(8.00);
  });
});

demo-monorepo/tests/regression/cascade-tax-rounding.spec.ts// jest

describe('processCheckout with new rounding', () => {
  it('should produce correctly rounded totals', async () => {
    const validToken = 'valid.token.here';
    const result = await processCheckout(validToken, 12.34);
    expect(result.total).toBe(13.33);
  });
});

missing coverage

services/billing/utils.tscalculateTax should round to 2 decimal places
services/billing/utils.tscalculateTax should handle floating-point precision correctly
services/billing/checkout.tsprocessCheckout should produce correctly rounded totals
services/billing/invoice.tsgenerateInvoice should produce correctly rounded totals