Telegram: harden network retries and config

Co-authored-by: techboss <techboss@users.noreply.github.com>

src/telegram/fetch.test.ts

@@ -1,11 +1,21 @@
 import { afterEach, describe, expect, it, vi } from "vitest";
 
-import { resolveTelegramFetch } from "./fetch.js";
-
 describe("resolveTelegramFetch", () => {
   const originalFetch = globalThis.fetch;
 
+  const loadModule = async () => {
+    const setDefaultAutoSelectFamily = vi.fn();
+    vi.resetModules();
+    vi.doMock("node:net", () => ({
+      setDefaultAutoSelectFamily,
+    }));
+    const mod = await import("./fetch.js");
+    return { resolveTelegramFetch: mod.resolveTelegramFetch, setDefaultAutoSelectFamily };
+  };
+
   afterEach(() => {
+    vi.unstubAllEnvs();
+    vi.clearAllMocks();
     if (originalFetch) {
       globalThis.fetch = originalFetch;
     } else {
@@ -13,16 +23,41 @@ describe("resolveTelegramFetch", () => {
     }
   });
 
-  it("returns wrapped global fetch when available", () => {
+  it("returns wrapped global fetch when available", async () => {
     const fetchMock = vi.fn(async () => ({}));
     globalThis.fetch = fetchMock as unknown as typeof fetch;
+    const { resolveTelegramFetch } = await loadModule();
     const resolved = resolveTelegramFetch();
     expect(resolved).toBeTypeOf("function");
   });
 
-  it("prefers proxy fetch when provided", () => {
+  it("prefers proxy fetch when provided", async () => {
     const fetchMock = vi.fn(async () => ({}));
+    const { resolveTelegramFetch } = await loadModule();
     const resolved = resolveTelegramFetch(fetchMock as unknown as typeof fetch);
     expect(resolved).toBeTypeOf("function");
   });
+
+  it("honors env enable override", async () => {
+    vi.stubEnv("CLAWDBOT_TELEGRAM_ENABLE_AUTO_SELECT_FAMILY", "1");
+    globalThis.fetch = vi.fn(async () => ({})) as unknown as typeof fetch;
+    const { resolveTelegramFetch, setDefaultAutoSelectFamily } = await loadModule();
+    resolveTelegramFetch();
+    expect(setDefaultAutoSelectFamily).toHaveBeenCalledWith(true);
+  });
+
+  it("uses config override when provided", async () => {
+    globalThis.fetch = vi.fn(async () => ({})) as unknown as typeof fetch;
+    const { resolveTelegramFetch, setDefaultAutoSelectFamily } = await loadModule();
+    resolveTelegramFetch(undefined, { network: { autoSelectFamily: true } });
+    expect(setDefaultAutoSelectFamily).toHaveBeenCalledWith(true);
+  });
+
+  it("env disable override wins over config", async () => {
+    vi.stubEnv("CLAWDBOT_TELEGRAM_DISABLE_AUTO_SELECT_FAMILY", "1");
+    globalThis.fetch = vi.fn(async () => ({})) as unknown as typeof fetch;
+    const { resolveTelegramFetch, setDefaultAutoSelectFamily } = await loadModule();
+    resolveTelegramFetch(undefined, { network: { autoSelectFamily: true } });
+    expect(setDefaultAutoSelectFamily).toHaveBeenCalledWith(false);
+  });
 });