세션 만료 관리 토글 동작을 실제 정책에 맞게 분리

adminfront/src/lib/sessionSliding.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   SESSION_RENEW_THRESHOLD_MS,
   shouldAttemptSlidingSessionRenew,
+  shouldAttemptUnlimitedSessionRenew,
 } from "./sessionSliding";
 
 describe("shouldAttemptSlidingSessionRenew", () => {
@@ -71,3 +72,55 @@ describe("shouldAttemptSlidingSessionRenew", () => {
     ).toBe(false);
   });
 });
+
+describe("shouldAttemptUnlimitedSessionRenew", () => {
+  const nowMs = 1_700_000_000_000;
+
+  it("returns false when unlimited mode is not active", () => {
+    expect(
+      shouldAttemptUnlimitedSessionRenew({
+        expiresAtSec: Math.floor(
+          (nowMs + SESSION_RENEW_THRESHOLD_MS - 1_000) / 1000,
+        ),
+        nowMs,
+        isEnabled: true,
+        isAuthenticated: true,
+        isLoading: false,
+        isRenewInFlight: false,
+        lastAttemptAtMs: 0,
+      }),
+    ).toBe(false);
+  });
+
+  it("returns true near expiry when session expiry management is disabled", () => {
+    expect(
+      shouldAttemptUnlimitedSessionRenew({
+        expiresAtSec: Math.floor(
+          (nowMs + SESSION_RENEW_THRESHOLD_MS - 1_000) / 1000,
+        ),
+        nowMs,
+        isEnabled: false,
+        isAuthenticated: true,
+        isLoading: false,
+        isRenewInFlight: false,
+        lastAttemptAtMs: 0,
+      }),
+    ).toBe(true);
+  });
+
+  it("returns false when the token still has enough remaining lifetime", () => {
+    expect(
+      shouldAttemptUnlimitedSessionRenew({
+        expiresAtSec: Math.floor(
+          (nowMs + SESSION_RENEW_THRESHOLD_MS + 1_000) / 1000,
+        ),
+        nowMs,
+        isEnabled: false,
+        isAuthenticated: true,
+        isLoading: false,
+        isRenewInFlight: false,
+        lastAttemptAtMs: 0,
+      }),
+    ).toBe(false);
+  });
+});