feat: integrate bounded external auth sessions

2026-07-25 20:54:18 +09:00
parent 37ca2c3172
commit 44414c5244
4 changed files with 197 additions and 0 deletions
@@ -0,0 +1,44 @@
+import { describe, expect, it, vi } from "vitest";
+
+import {
+  createAnonymousSessionAdapter,
+  createExternalAuthSessionAdapter,
+} from "../../src/adapters/auth/external-session-adapter.js";
+
+describe("external AuthSessionPort adapter", () => {
+  it("attaches opaque credentials without exposing a token-shaped session", async () => {
+    const adapter = createExternalAuthSessionAdapter({
+      readState: () => "authenticated",
+      attachCredential: async (request) => {
+        const headers = new Headers(request.headers);
+        headers.set("X-Session-Attached", "true");
+        return new Request(request, { headers });
+      },
+      recoverSession: async () => "restored",
+      notifyUnauthenticated: vi.fn(),
+    });
+
+    const request = await adapter.attach(new Request("https://api.test/resource"));
+    expect(request.headers.get("X-Session-Attached")).toBe("true");
+    expect(adapter.getState()).toBe("authenticated");
+    expect(adapter).not.toHaveProperty("accessToken");
+    expect(adapter).not.toHaveProperty("refreshToken");
+  });
+
+  it("fails invalid recovery states closed", async () => {
+    const adapter = createExternalAuthSessionAdapter({
+      readState: () => "authenticated",
+      attachCredential: async (request) => request,
+      recoverSession: async () => "unexpected",
+      notifyUnauthenticated: vi.fn(),
+    });
+
+    await expect(adapter.recover()).rejects.toThrow("invalid recovery state");
+  });
+
+  it("provides a safe anonymous adapter", async () => {
+    const adapter = createAnonymousSessionAdapter();
+    expect(adapter.getState()).toBe("unauthenticated");
+    await expect(adapter.recover()).resolves.toBe("no-session");
+  });
+});