Initial commit (unpacked platform)

2026-08-05 19:21:11 +07:00
commit ac5340195a
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+import { describe, expect, it } from "vitest";
+import { PLAN_DEFINITIONS } from "@app/shared-types";
+import {
+  canUseAiScan,
+  computeEntitlements,
+  resolvePlanFromProductId,
+  signEntitlementToken,
+  trialEndsAt,
+  verifyEntitlementToken,
+} from "../src/index.js";
+
+const NOW = new Date("2026-08-02T12:00:00Z");
+const SECRET = "test-secret-with-length";
+
+describe("entitlements (spec §45–47)", () => {
+  it("aktiv prenumeration ger planens förmåner", () => {
+    const ent = computeEntitlements(
+      { plan: "family", status: "active", expiresAt: new Date("2026-09-01") },
+      null,
+      { aiScansUsedThisMonth: 10 },
+      NOW,
+    );
+    expect(ent.plan).toBe("family");
+    expect(ent.maxHouseholdMembers).toBe(6);
+    expect(ent.weekPlanning).toBe(true);
+  });
+  it("grace period behåller åtkomst (spec §44)", () => {
+    const ent = computeEntitlements(
+      {
+        plan: "household",
+        status: "in_grace",
+        expiresAt: new Date("2026-08-01"),
+        gracePeriodExpiresAt: new Date("2026-08-10"),
+      },
+      null,
+      { aiScansUsedThisMonth: 0 },
+      NOW,
+    );
+    expect(ent.status).toBe("in_grace");
+    expect(ent.weekPlanning).toBe(true);
+  });
+  it("utgången prenumeration utan grace → free", () => {
+    const ent = computeEntitlements(
+      { plan: "family", status: "active", expiresAt: new Date("2026-07-01") },
+      null,
+      { aiScansUsedThisMonth: 0 },
+      NOW,
+    );
+    expect(ent.plan).toBe("free");
+  });
+  it("trial ger full tillgång i 7 dagar (spec §46)", () => {
+    const start = new Date("2026-08-01T00:00:00Z");
+    const ent = computeEntitlements(
+      null,
+      { startedAt: start, endsAt: trialEndsAt(start) },
+      { aiScansUsedThisMonth: 3 },
+      NOW,
+    );
+    expect(ent.status).toBe("trial");
+    expect(ent.weekPlanning).toBe(true);
+  });
+  it("free tier: 10 skanningar och användbar grund (spec §46)", () => {
+    const ent = computeEntitlements(null, null, { aiScansUsedThisMonth: 9 }, NOW);
+    expect(ent.plan).toBe("free");
+    expect(ent.aiScansPerMonth).toBe(10);
+    expect(canUseAiScan(ent)).toBe(true);
+    expect(canUseAiScan({ ...ent, aiScansUsedThisMonth: 10 })).toBe(false);
+  });
+  it("mappar productId → plan (härlett ur brand-konfig, aldrig hårdkodat)", () => {
+    expect(resolvePlanFromProductId(PLAN_DEFINITIONS.family.appleProductId)).toBe("family");
+    expect(resolvePlanFromProductId(PLAN_DEFINITIONS.household.googleProductId)).toBe("household");
+    expect(resolvePlanFromProductId("okänd")).toBeNull();
+  });
+});
+
+describe("signerad entitlement-token (spec §44)", () => {
+  const ent = computeEntitlements(
+    { plan: "family", status: "active", expiresAt: new Date("2026-09-01") },
+    null,
+    { aiScansUsedThisMonth: 0 },
+    NOW,
+  );
+
+  it("signerar och verifierar", () => {
+    const token = signEntitlementToken("user-1", ent, SECRET, { now: NOW });
+    const result = verifyEntitlementToken(token, SECRET, NOW);
+    expect(result.valid).toBe(true);
+    if (result.valid) {
+      expect(result.payload.sub).toBe("user-1");
+      expect(result.payload.plan).toBe("family");
+      expect(result.withinGrace).toBe(false);
+    }
+  });
+  it("avvisar manipulerad token", () => {
+    const token = signEntitlementToken("user-1", ent, SECRET, { now: NOW });
+    const tampered = token.slice(0, -4) + "AAAA";
+    expect(verifyEntitlementToken(tampered, SECRET, NOW).valid).toBe(false);
+  });
+  it("avvisar fel secret", () => {
+    const token = signEntitlementToken("user-1", ent, SECRET, { now: NOW });
+    expect(verifyEntitlementToken(token, "annan-secret-123", NOW).valid).toBe(false);
+  });
+  it("grace: giltig efter exp men inom graceExp, ogiltig därefter – ALDRIG permanent boolean", () => {
+    const token = signEntitlementToken("user-1", ent, SECRET, {
+      now: NOW,
+      ttlHours: 24,
+      graceDays: 7,
+    });
+    const afterExp = new Date(NOW.getTime() + 3 * 86_400_000);
+    const inGrace = verifyEntitlementToken(token, SECRET, afterExp);
+    expect(inGrace.valid).toBe(true);
+    if (inGrace.valid) expect(inGrace.withinGrace).toBe(true);
+
+    const afterGrace = new Date(NOW.getTime() + 9 * 86_400_000);
+    const expired = verifyEntitlementToken(token, SECRET, afterGrace);
+    expect(expired.valid).toBe(false);
+    if (!expired.valid) expect(expired.reason).toBe("expired_beyond_grace");
+  });
+});