up

src/checkout-generator.test.ts

@@ -0,0 +1,45 @@
+import { describe, expect, it } from "vitest";
+import {
+  CHECKOUT_CURRENCIES,
+  DEFAULT_CHECKOUT_COUNTRY,
+  DEFAULT_CHECKOUT_CURRENCY,
+  generateCheckoutScript,
+  isSupportedCheckoutCurrency,
+  normalizeIsoInput,
+  validateCheckoutInput,
+} from "./checkout-generator";
+
+describe("checkout script generator", () => {
+  it("keeps the requested defaults and exact supported currency list", () => {
+    expect(DEFAULT_CHECKOUT_COUNTRY).toBe("US");
+    expect(DEFAULT_CHECKOUT_CURRENCY).toBe("EGP");
+    expect(CHECKOUT_CURRENCIES).toHaveLength(39);
+    expect(isSupportedCheckoutCurrency("egp")).toBe(true);
+    expect(isSupportedCheckoutCurrency("TRY")).toBe(false);
+  });
+
+  it("normalizes ISO input and validates every field", () => {
+    expect(normalizeIsoInput(" u-s1 ", 2)).toBe("US");
+    expect(validateCheckoutInput({ coupon: "", country: "USA", currency: "TRY" }))
+      .toEqual({
+        coupon: "请输入优惠码",
+        country: "请输入 2 位英文字母国家代码",
+        currency: "请选择支持的货币代码",
+      });
+  });
+
+  it("substitutes and safely escapes all generated values", () => {
+    const script = generateCheckoutScript({
+      coupon: 'SAVE "20" & 更多',
+      country: "SG",
+      currency: "SGD",
+    });
+
+    expect(script).toContain('const COUPON = "SAVE \\"20\\" & 更多"');
+    expect(script).toContain('country: "SG"');
+    expect(script).toContain('currency: "SGD"');
+    expect(script).toContain("promo_code: COUPON");
+    expect(script).toContain("promoCode=SAVE%20%2220%22%20%26%20%E6%9B%B4%E5%A4%9A");
+    expect(() => new Function(script)).not.toThrow();
+  });
+});