Initial commit

Signed-off-by: Ilan Bigio <ilan@openai.com>

codex-cli/tests/agent-invalid-request-error.test.ts

@@ -0,0 +1,88 @@
+import { describe, it, expect, vi } from "vitest";
+
+// ---------------------------------------------------------------------------
+// Mock helpers
+// ---------------------------------------------------------------------------
+
+const openAiState: { createSpy?: ReturnType<typeof vi.fn> } = {};
+
+vi.mock("openai", () => {
+  class FakeOpenAI {
+    public responses = {
+      create: (...args: Array<any>) => openAiState.createSpy!(...args),
+    };
+  }
+
+  class APIConnectionTimeoutError extends Error {}
+
+  return {
+    __esModule: true,
+    default: FakeOpenAI,
+    APIConnectionTimeoutError,
+  };
+});
+
+vi.mock("@lib/approvals.js", () => ({
+  __esModule: true,
+  alwaysApprovedCommands: new Set<string>(),
+  canAutoApprove: () => ({ type: "auto-approve", runInSandbox: false } as any),
+  isSafeCommand: () => null,
+}));
+
+vi.mock("@lib/format-command.js", () => ({
+  __esModule: true,
+  formatCommandForDisplay: (c: Array<string>) => c.join(" "),
+}));
+
+vi.mock("../src/utils/agent/log.js", () => ({
+  __esModule: true,
+  log: () => {},
+  isLoggingEnabled: () => false,
+}));
+
+import { AgentLoop } from "../src/utils/agent/agent-loop.js";
+
+describe("AgentLoop – invalid request / 4xx errors", () => {
+  it("shows system message and resolves on invalid_request_error", async () => {
+    const err: any = new Error("Invalid request: model not found");
+    err.code = "invalid_request_error";
+    err.status = 400;
+
+    openAiState.createSpy = vi.fn(async () => {
+      throw err;
+    });
+
+    const received: Array<any> = [];
+
+    const agent = new AgentLoop({
+      model: "any",
+      instructions: "",
+      approvalPolicy: { mode: "auto" } as any,
+      onItem: (i) => received.push(i),
+      onLoading: () => {},
+      getCommandConfirmation: async () => ({ review: "yes" } as any),
+      onLastResponseId: () => {},
+    });
+
+    const userMsg = [
+      {
+        type: "message",
+        role: "user",
+        content: [{ type: "input_text", text: "hello" }],
+      },
+    ];
+
+    await expect(agent.run(userMsg as any)).resolves.not.toThrow();
+
+    await new Promise((r) => setTimeout(r, 20));
+
+    const sysMsg = received.find(
+      (i) =>
+        i.role === "system" &&
+        typeof i.content?.[0]?.text === "string" &&
+        i.content[0].text.includes("OpenAI rejected"),
+    );
+
+    expect(sysMsg).toBeTruthy();
+  });
+});