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accounted/app/api/export/articles/__tests__/route.test.ts
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TypeScript

import { describe, it, expect, vi, beforeEach } from 'vitest'
import * as XLSX from 'xlsx'
import { createMockRequest, parseJsonResponse, createQueuedMockSupabase } from '@/tests/helpers'
import { detectArticleColumns } from '@/lib/import/articles/column-detector'
const { supabase: mockSupabase, enqueue, reset } = createQueuedMockSupabase()
vi.mock('@/lib/supabase/server', () => ({
createClient: () => Promise.resolve(mockSupabase),
}))
vi.mock('@/lib/company/context', () => ({
requireCompanyId: vi.fn().mockResolvedValue('company-1'),
getActiveCompanyId: vi.fn().mockResolvedValue('company-1'),
}))
const mockFetchAllRows = vi.fn()
vi.mock('@/lib/supabase/fetch-all', () => ({
fetchAllRows: (...a: unknown[]) => mockFetchAllRows(...a),
}))
import { GET } from '../route'
const mockUser = { id: 'user-1', email: 'test@test.se' }
const ARTICLE = {
id: 'a1',
article_number: '100',
name: 'Webdesign',
name_en: 'Web design',
type: 'tjanst',
unit: 'st',
price_excl_vat: 1200,
vat_rate: 25,
currency: 'EUR',
revenue_account: '3001',
cost_price: 400,
ean: '7350000000001',
housework_type: null,
notes: 'Kommentar med åäö',
}
beforeEach(() => {
vi.clearAllMocks()
reset()
mockSupabase.auth.getUser.mockResolvedValue({ data: { user: mockUser } })
mockFetchAllRows.mockResolvedValue([ARTICLE])
})
describe('GET /api/export/articles', () => {
it('returns 401 when unauthenticated', async () => {
mockSupabase.auth.getUser.mockResolvedValue({ data: { user: null } })
const res = await GET(createMockRequest('/api/export/articles'))
const { status } = await parseJsonResponse(res)
expect(status).toBe(401)
})
it('returns an xlsx workbook whose headers round-trip through the importer', async () => {
enqueue({ data: { company_name: 'Acme AB' } })
const res = await GET(createMockRequest('/api/export/articles'))
expect(res.status).toBe(200)
expect(res.headers.get('Content-Type')).toContain('spreadsheetml')
const disposition = res.headers.get('Content-Disposition') || ''
expect(disposition).toContain('attachment')
expect(disposition).toContain('artiklar-acme-ab')
expect(disposition).toContain('.xlsx')
const buf = Buffer.from(await res.arrayBuffer())
expect(buf.length).toBeGreaterThan(0)
const wb = XLSX.read(new Uint8Array(buf), { type: 'array' })
const sheet = wb.Sheets[wb.SheetNames[0]]
const rows = XLSX.utils.sheet_to_json<string[]>(sheet, { header: 1 })
const headers = (rows[0] as string[]).map(String)
// Round-trip: the exported headers must re-detect with high confidence.
const detected = detectArticleColumns(headers)
expect(detected.confidence).toBeGreaterThanOrEqual(0.8)
expect(detected.name_col).toBeGreaterThanOrEqual(0)
expect(detected.price_col).not.toBeNull()
expect(detected.vat_rate_col).not.toBeNull()
expect(detected.revenue_account_col).not.toBeNull()
// Non-SEK prices export their currency; the price column must still map
// to Försäljningspris, not be swallowed by the new Valuta column.
const valutaIdx = headers.indexOf('Valuta')
expect(valutaIdx).toBeGreaterThanOrEqual(0)
expect((rows[1] as string[])[valutaIdx]).toBe('EUR')
expect(headers[detected.price_col as number]).toBe('Försäljningspris')
})
it('returns a UTF-8 BOM CSV when format=csv', async () => {
enqueue({ data: { company_name: 'Acme AB' } })
const res = await GET(createMockRequest('/api/export/articles', { searchParams: { format: 'csv' } }))
expect(res.status).toBe(200)
expect(res.headers.get('Content-Type')).toContain('text/csv')
expect(res.headers.get('Content-Disposition')).toContain('.csv')
const buf = Buffer.from(await res.arrayBuffer())
// UTF-8 BOM
expect([buf[0], buf[1], buf[2]]).toEqual([0xef, 0xbb, 0xbf])
expect(buf.toString('utf-8')).toContain('Webdesign')
})
})