feat: normalize order dates in database

backend/test/orderMapper.test.js

@@ -0,0 +1,37 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const { normalizeOrderDate, normalizeOrderPayload } = require('../mappers/orderMapper');
+
+test('normalizeOrderDate accepts Brazilian display dates', () => {
+    assert.equal(normalizeOrderDate('28/05/2026'), '2026-05-28');
+    assert.equal(normalizeOrderDate('28-05-2026'), '2026-05-28');
+});
+
+test('normalizeOrderDate accepts ISO-like dates', () => {
+    assert.equal(normalizeOrderDate('2026-05-28'), '2026-05-28');
+    assert.equal(normalizeOrderDate('2026/05/28 10:30:00'), '2026-05-28');
+});
+
+test('normalizeOrderDate rejects invalid dates', () => {
+    assert.equal(normalizeOrderDate(''), null);
+    assert.equal(normalizeOrderDate('not a date'), null);
+    assert.equal(normalizeOrderDate('31/02/2026'), null);
+});
+
+test('normalizeOrderPayload includes normalized date without changing display date', () => {
+    const payload = normalizeOrderPayload({
+        Nome_Cliente: 'Cliente Teste',
+        Data_Pedido: '28/05/2026',
+        Valor_Pedido: '120.50',
+        ID_Produto: 'SKU-1',
+        Descricao_Produto: 'Produto',
+        Quantidade: '2',
+        Valor_Unitario: '60.25',
+        ID_Pedido: 'ORDER-1',
+        Fone_Cliente: '(16) 99999-9999'
+    });
+
+    assert.equal(payload[1], '28/05/2026');
+    assert.equal(payload[2], '2026-05-28');
+});