Jakob Wennberg
65 lines
2.3 KiB
TypeScript
65 lines
2.3 KiB
TypeScript
import { describe, it, expect } from 'vitest'
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import { validateBalance } from '../engine'
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import type { CreateJournalEntryLineInput } from '@/types'
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describe('validateBalance', () => {
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it('balanced entry (debit == credit) → valid: true', () => {
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const lines: CreateJournalEntryLineInput[] = [
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{ account_number: '1930', debit_amount: 1000, credit_amount: 0 },
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{ account_number: '3001', debit_amount: 0, credit_amount: 1000 },
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]
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const result = validateBalance(lines)
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expect(result.valid).toBe(true)
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expect(result.totalDebit).toBe(1000)
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expect(result.totalCredit).toBe(1000)
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})
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it('unbalanced entry → valid: false', () => {
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const lines: CreateJournalEntryLineInput[] = [
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{ account_number: '1930', debit_amount: 1000, credit_amount: 0 },
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{ account_number: '3001', debit_amount: 0, credit_amount: 500 },
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]
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const result = validateBalance(lines)
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expect(result.valid).toBe(false)
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expect(result.totalDebit).toBe(1000)
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expect(result.totalCredit).toBe(500)
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})
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it('zero amounts → valid: false (roundedDebit must be > 0)', () => {
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const lines: CreateJournalEntryLineInput[] = [
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{ account_number: '1930', debit_amount: 0, credit_amount: 0 },
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{ account_number: '3001', debit_amount: 0, credit_amount: 0 },
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]
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const result = validateBalance(lines)
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expect(result.valid).toBe(false)
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expect(result.totalDebit).toBe(0)
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expect(result.totalCredit).toBe(0)
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})
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it('floating point edge case (33.33 + 33.33 + 33.34) → valid: true', () => {
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const lines: CreateJournalEntryLineInput[] = [
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{ account_number: '1930', debit_amount: 33.33, credit_amount: 0 },
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{ account_number: '1930', debit_amount: 33.33, credit_amount: 0 },
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{ account_number: '1930', debit_amount: 33.34, credit_amount: 0 },
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{ account_number: '3001', debit_amount: 0, credit_amount: 100 },
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]
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const result = validateBalance(lines)
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expect(result.valid).toBe(true)
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expect(result.totalDebit).toBe(100)
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expect(result.totalCredit).toBe(100)
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})
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it('single line (only debit, no credit) → valid: false', () => {
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const lines: CreateJournalEntryLineInput[] = [
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{ account_number: '1930', debit_amount: 500, credit_amount: 0 },
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]
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const result = validateBalance(lines)
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expect(result.valid).toBe(false)
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})
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})
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