R73-A2 收敛 VAT OCR 归一化与质量门槛

server/tests/unit/services/ocr.tencent.test.js

@@ -0,0 +1,51 @@
+const {
+  normalizeVatInvoiceResult,
+} = require("../../../src/services/ocr/tencent");
+
+describe("tencent VAT OCR normalization", () => {
+  it("normalizes identifiers, date and amounts from Tencent result", () => {
+    const normalized = normalizeVatInvoiceResult({
+      InvoiceCode: " 0440 0320 4111 ",
+      InvoiceNum: " 1234 5678 ",
+      InvoiceDate: "2026年4月28日",
+      AmountWithoutTax: "1,488.50",
+      TaxAmount: "194.50",
+      AmountInFiguers: "￥1683.00",
+      SellerName: "  北京悦海堂餐饮管理有限公司  ",
+      BuyerName: "  华印公司  ",
+    });
+
+    expect(normalized).toEqual(
+      expect.objectContaining({
+        invoiceCode: "044003204111",
+        invoiceNumber: "12345678",
+        invoiceDate: "2026-04-28",
+        amount: "1488.50",
+        taxAmount: "194.50",
+        totalAmount: "1683.00",
+        sellerName: "北京悦海堂餐饮管理有限公司",
+        buyerName: "华印公司",
+      }),
+    );
+  });
+
+  it("derives amount from total and tax when Tencent omits AmountWithoutTax", () => {
+    const result = normalizeVatInvoiceResult({
+      InvoiceCode: "044003204111",
+      InvoiceNum: "12345678",
+      InvoiceDate: "2026/04/28",
+      TaxAmount: 194.5,
+      TotalAmount: 1683,
+      SellerName: "北京悦海堂餐饮管理有限公司",
+      BuyerName: "华印公司",
+    });
+
+    expect(result).toEqual(
+      expect.objectContaining({
+        amount: "1488.50",
+        taxAmount: "194.50",
+        totalAmount: "1683.00",
+      }),
+    );
+  });
+});