feat: add openai codex oauth

src/agents/model-auth.test.ts

@@ -0,0 +1,70 @@
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+
+import { describe, expect, it, vi } from "vitest";
+
+import type { Api, Model } from "@mariozechner/pi-ai";
+import { discoverAuthStorage } from "@mariozechner/pi-coding-agent";
+
+const oauthFixture = {
+  access: "access-token",
+  refresh: "refresh-token",
+  expires: Date.now() + 60_000,
+  accountId: "acct_123",
+};
+
+describe("getApiKeyForModel", () => {
+  it("migrates legacy oauth.json into auth.json", async () => {
+    const previousStateDir = process.env.CLAWDBOT_STATE_DIR;
+    const tempDir = await fs.mkdtemp(
+      path.join(os.tmpdir(), "clawdbot-oauth-"),
+    );
+
+    try {
+      process.env.CLAWDBOT_STATE_DIR = tempDir;
+
+      const oauthDir = path.join(tempDir, "credentials");
+      await fs.mkdir(oauthDir, { recursive: true, mode: 0o700 });
+      await fs.writeFile(
+        path.join(oauthDir, "oauth.json"),
+        `${JSON.stringify({ "openai-codex": oauthFixture }, null, 2)}\n`,
+        "utf8",
+      );
+
+      const agentDir = path.join(tempDir, "agent");
+      await fs.mkdir(agentDir, { recursive: true, mode: 0o700 });
+      const authStorage = discoverAuthStorage(agentDir);
+
+      vi.resetModules();
+      const { getApiKeyForModel } = await import("./model-auth.js");
+
+      const model = {
+        id: "codex-mini-latest",
+        provider: "openai-codex",
+        api: "openai-codex-responses",
+      } as Model<Api>;
+
+      const apiKey = await getApiKeyForModel(model, authStorage);
+      expect(apiKey).toBe(oauthFixture.access);
+
+      const authJson = await fs.readFile(
+        path.join(agentDir, "auth.json"),
+        "utf8",
+      );
+      const authData = JSON.parse(authJson) as Record<string, unknown>;
+      expect(authData["openai-codex"]).toMatchObject({
+        type: "oauth",
+        access: oauthFixture.access,
+        refresh: oauthFixture.refresh,
+      });
+    } finally {
+      if (previousStateDir === undefined) {
+        delete process.env.CLAWDBOT_STATE_DIR;
+      } else {
+        process.env.CLAWDBOT_STATE_DIR = previousStateDir;
+      }
+      await fs.rm(tempDir, { recursive: true, force: true });
+    }
+  });
+});