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accounted/lib/import/__tests__/fiscal-period-start-day.pg.test.ts
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import { describe, expect, it } from 'vitest'
import { getPool } from '@/tests/pg/setup'
import { seedCompany } from '@/tests/pg/fixtures'
// Covers enforce_first_of_month_for_subsequent_periods (migration
// 20260418120000). The trigger only blocks mid-month period_start when a
// strictly earlier period exists: so importing a company's chronologically
// first fiscal year (förlängt första räkenskapsår) via SIE must succeed even
// after a later period was created during onboarding.
//
// seedCompany() creates a default 2026-01-01..2026-12-31 fiscal period; the
// no_overlapping_fiscal_periods exclusion constraint (per-company since
// migration 20260506140100) means every period inserted here must avoid
// overlapping that year. The years below are chosen accordingly.
describe('fiscal_periods: subsequent-period start-day trigger', () => {
async function insertPeriod(
companyId: string,
name: string,
periodStart: string,
periodEnd: string,
) {
return getPool().query(
`INSERT INTO public.fiscal_periods
(company_id, name, period_start, period_end, is_closed, opening_balances_set)
VALUES ($1, $2, $3, $4, false, false)
RETURNING id`,
[companyId, name, periodStart, periodEnd],
)
}
it('allows a mid-month start when no earlier period exists', async () => {
const { companyId } = await seedCompany()
// The seeded 2026 period is later than this one, so this insert is the
// chronologically earliest period for the company → trigger must permit
// a mid-month start (förlängt första räkenskapsår path).
const { rows } = await insertPeriod(
companyId,
'Räkenskapsår 2024/2025',
'2024-06-15',
'2025-12-31',
)
expect(rows[0]!.id).toBeTruthy()
})
it('allows importing an earlier mid-month period after a later day-1 period exists', async () => {
const { companyId } = await seedCompany()
// Onboarding-created period (day 1, year N): sits before the seeded 2026.
await insertPeriod(companyId, 'Räkenskapsår 2025', '2025-01-01', '2025-12-31')
// SIE import of förlängt första räkenskapsår: earlier in time,
// mid-month start. This used to fail with the old trigger.
const { rows } = await insertPeriod(
companyId,
'Räkenskapsår 2023/2024',
'2023-06-15',
'2024-12-31',
)
expect(rows[0]!.id).toBeTruthy()
})
it('still rejects mid-month start when a strictly earlier period already exists', async () => {
const { companyId } = await seedCompany()
await insertPeriod(companyId, 'Räkenskapsår 2024', '2024-01-01', '2024-12-31')
// Mid-month start in 2025: strictly later than 2024 and not overlapping
// with the seeded 2026 period → only the start-day trigger should fire.
await expect(
insertPeriod(companyId, 'Räkenskapsår 2025 (bad)', '2025-06-15', '2025-12-31'),
).rejects.toThrow(/Non-first fiscal period must start on the 1st of a month/)
})
it('still rejects changing a subsequent period to a mid-month start', async () => {
const { companyId } = await seedCompany()
await insertPeriod(companyId, 'Räkenskapsår 2024', '2024-01-01', '2024-12-31')
const { rows } = await insertPeriod(
companyId,
'Räkenskapsår 2025',
'2025-01-01',
'2025-12-31',
)
await expect(
getPool().query(
`UPDATE public.fiscal_periods
SET period_start = '2025-06-15'
WHERE id = $1`,
[rows[0]!.id],
),
).rejects.toThrow(/Non-first fiscal period must start on the 1st of a month/)
})
})