added marketing-building-blog-v1

tests/settings/discount-validation.test.ts

@@ -0,0 +1,70 @@
+import { describe, it, expect, vi } from "vitest";
+import { validateDiscountCode } from "@/src/modules/settings/lib/discount-validation";
+
+function dbWith(code: Record<string, unknown> | null) {
+  return {
+    discountCode: { findUnique: vi.fn().mockResolvedValue(code) },
+    discountRedemption: { findUnique: vi.fn().mockResolvedValue(null) },
+  } as never;
+}
+
+const baseCode = {
+  id: "code-1",
+  code: "SOMMER",
+  type: "percent",
+  value: 10,
+  scope: "all_courses",
+  courseIds: [],
+  appliesTo: "courses",
+  restrictedToUserId: null,
+  maxRedemptions: null,
+  redeemedCount: 0,
+  startsAt: null,
+  expiresAt: null,
+  isActive: true,
+};
+
+const base = { code: "sommer", businessId: "biz-1", userId: "user-1" };
+
+describe("validateDiscountCode - wofür ein Code gilt", () => {
+  it("Kurs-Codes gelten nicht beim Kartenkauf", async () => {
+    const result = await validateDiscountCode(dbWith(baseCode), { ...base, productId: "prod-1" });
+    expect(result).toEqual({ valid: false, reason: "Dieser Rabattcode gilt nicht für Karten." });
+  });
+
+  it("Karten-Codes gelten nicht für Kurse", async () => {
+    const result = await validateDiscountCode(dbWith({ ...baseCode, appliesTo: "passes" }), {
+      ...base,
+      courseId: "course-1",
+    });
+    expect(result).toEqual({ valid: false, reason: "Dieser Rabattcode gilt nur für Karten." });
+  });
+
+  it("Codes für beides gelten bei Kurs und Karte", async () => {
+    const db = dbWith({ ...baseCode, appliesTo: "all" });
+    expect((await validateDiscountCode(db, { ...base, courseId: "c" })).valid).toBe(true);
+    expect((await validateDiscountCode(db, { ...base, productId: "p" })).valid).toBe(true);
+  });
+
+  it("die Kursauswahl wirkt beim Kartenkauf nicht", async () => {
+    const db = dbWith({
+      ...baseCode,
+      appliesTo: "all",
+      scope: "specific_courses",
+      courseIds: ["c1"],
+    });
+    expect((await validateDiscountCode(db, { ...base, productId: "p" })).valid).toBe(true);
+    expect((await validateDiscountCode(db, { ...base, courseId: "c2" })).valid).toBe(false);
+  });
+});
+
+describe("validateDiscountCode - persönliche Codes", () => {
+  it("gilt nur für das eigene Konto", async () => {
+    const db = dbWith({ ...baseCode, restrictedToUserId: "user-1" });
+    expect((await validateDiscountCode(db, { ...base, courseId: "c" })).valid).toBe(true);
+    expect(await validateDiscountCode(db, { ...base, userId: "user-2", courseId: "c" })).toEqual({
+      valid: false,
+      reason: "Dieser Rabattcode gehört zu einem anderen Kundenkonto.",
+    });
+  });
+});