devfront 테스트 커버리지 추가 보강

devfront/src/lib/oidcStorage.test.ts

@@ -0,0 +1,76 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { findPersistedOidcUser } from "./oidcStorage";
+
+class MemoryStorage implements Storage {
+  private data = new Map<string, string>();
+
+  get length() {
+    return this.data.size;
+  }
+
+  clear(): void {
+    this.data.clear();
+  }
+
+  getItem(key: string): string | null {
+    return this.data.get(key) ?? null;
+  }
+
+  key(index: number): string | null {
+    return Array.from(this.data.keys())[index] ?? null;
+  }
+
+  removeItem(key: string): void {
+    this.data.delete(key);
+  }
+
+  setItem(key: string, value: string): void {
+    this.data.set(key, value);
+  }
+}
+
+describe("findPersistedOidcUser", () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date("2026-06-01T00:00:00.000Z"));
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it("returns the first valid, unexpired devfront user entry", () => {
+    const storage = new MemoryStorage();
+    storage.setItem("oidc.user:issuer:other-client", JSON.stringify({}));
+    const expiresAt = Math.floor(Date.now() / 1000) + 3600;
+    storage.setItem(
+      "oidc.user:issuer:devfront",
+      JSON.stringify({
+        access_token: "token-1",
+        expires_at: expiresAt,
+        profile: { name: "Dev Admin" },
+      }),
+    );
+
+    expect(findPersistedOidcUser(storage)).toEqual({
+      access_token: "token-1",
+      expires_at: expiresAt,
+      profile: { name: "Dev Admin" },
+    });
+  });
+
+  it("skips malformed, empty, and expired entries", () => {
+    const storage = new MemoryStorage();
+    storage.setItem("random", "value");
+    storage.setItem("oidc.user:issuer:devfront", "not-json");
+    storage.setItem(
+      "oidc.user:issuer:devfront",
+      JSON.stringify({
+        access_token: "expired",
+        expires_at: Math.floor(Date.now() / 1000) - 1,
+      }),
+    );
+
+    expect(findPersistedOidcUser(storage)).toBeNull();
+  });
+});