New Base func

2026-02-19 09:48:02 +01:00
parent afc9f69def
commit cdf1dcc4c8
73 changed files with 11036 additions and 51 deletions
@@ -0,0 +1,112 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { makeTaxCode } from '@/tests/helpers'
+
+// ============================================================
+// Mock — separate client (no .then) from query builder (thenable)
+// ============================================================
+
+let resultIdx: number
+let results: Array<{ data?: unknown; error?: unknown; count?: number | null }>
+
+function makeBuilder() {
+  const b: Record<string, unknown> = {}
+  for (const m of ['select', 'eq', 'insert', 'update', 'delete', 'lte', 'gte', 'in', 'not', 'or', 'order', 'limit', 'is']) {
+    b[m] = vi.fn().mockReturnValue(b)
+  }
+  b.single = vi.fn().mockImplementation(async () => results[resultIdx++] ?? { data: null, error: null })
+  b.maybeSingle = vi.fn().mockImplementation(async () => results[resultIdx++] ?? { data: null, error: null })
+  b.then = (resolve: (v: unknown) => void) => resolve(results[resultIdx++] ?? { data: null, error: null })
+  return b
+}
+
+function makeClient() {
+  return {
+    from: vi.fn().mockImplementation(() => makeBuilder()),
+    rpc: vi.fn().mockImplementation(async () => results[resultIdx++] ?? { data: null, error: null }),
+  }
+}
+
+vi.mock('@/lib/supabase/server', () => ({
+  createClient: vi.fn(async () => makeClient()),
+}))
+
+import { getTaxCodeByCode, calculateMomsFromTaxCodes } from '../tax-code-service'
+
+beforeEach(() => {
+  vi.clearAllMocks()
+  resultIdx = 0
+  results = []
+})
+
+describe('getTaxCodeByCode', () => {
+  it('prefers user code over system code', async () => {
+    const userCode = makeTaxCode({
+      id: 'tc-user',
+      user_id: 'user-1',
+      code: 'MP1',
+      description: 'Custom 25% moms',
+      rate: 25,
+    })
+
+    results = [{ data: userCode, error: null }]
+
+    const result = await getTaxCodeByCode('user-1', 'MP1')
+    expect(result).not.toBeNull()
+    expect(result!.user_id).toBe('user-1')
+    expect(result!.description).toBe('Custom 25% moms')
+  })
+
+  it('returns null when code does not exist', async () => {
+    results = [{ data: null, error: { code: 'PGRST116' } }]
+
+    const result = await getTaxCodeByCode('user-1', 'NONEXISTENT')
+    expect(result).toBeNull()
+  })
+})
+
+describe('calculateMomsFromTaxCodes', () => {
+  it('aggregates correctly to moms boxes', async () => {
+    const mp1 = makeTaxCode({
+      code: 'MP1',
+      rate: 25,
+      moms_basis_boxes: ['05'],
+      moms_tax_boxes: ['10'],
+      moms_input_boxes: [],
+      is_output_vat: true,
+    })
+    const ip1 = makeTaxCode({
+      code: 'IP1',
+      rate: 25,
+      moms_basis_boxes: [],
+      moms_tax_boxes: [],
+      moms_input_boxes: ['48'],
+      is_output_vat: false,
+    })
+
+    const lines = [
+      { tax_code: 'MP1', debit_amount: 0, credit_amount: 10000, journal_entry_id: 'je1', journal_entries: {} },
+      { tax_code: 'MP1', debit_amount: 0, credit_amount: 5000, journal_entry_id: 'je2', journal_entries: {} },
+      { tax_code: 'IP1', debit_amount: 2500, credit_amount: 0, journal_entry_id: 'je3', journal_entries: {} },
+    ]
+
+    results = [
+      // 0: journal lines query (thenable — no .single())
+      { data: lines, error: null },
+      // 1: getTaxCodes query (thenable — no .single())
+      { data: [mp1, ip1], error: null },
+    ]
+
+    const result = await calculateMomsFromTaxCodes('user-1', '2024-01-01', '2024-12-31')
+
+    expect(result.length).toBeGreaterThan(0)
+    // Results should be sorted by box
+    for (let i = 1; i < result.length; i++) {
+      expect(result[i].box >= result[i - 1].box).toBe(true)
+    }
+    // Check that we have the expected boxes
+    const boxes = result.map((r) => r.box)
+    expect(boxes).toContain('05')
+    expect(boxes).toContain('10')
+    expect(boxes).toContain('48')
+  })
+})