fix(telegram): honor outbound proxy config (#1774, thanks @radek-paclt)

Co-authored-by: Radek Paclt <developer@muj-partak.cz>

src/telegram/send.proxy.test.ts

@@ -0,0 +1,123 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const { botApi, botCtorSpy } = vi.hoisted(() => ({
+  botApi: {
+    sendMessage: vi.fn(),
+    setMessageReaction: vi.fn(),
+    deleteMessage: vi.fn(),
+  },
+  botCtorSpy: vi.fn(),
+}));
+
+const { loadConfig } = vi.hoisted(() => ({
+  loadConfig: vi.fn(() => ({})),
+}));
+
+const { makeProxyFetch } = vi.hoisted(() => ({
+  makeProxyFetch: vi.fn(),
+}));
+
+const { resolveTelegramFetch } = vi.hoisted(() => ({
+  resolveTelegramFetch: vi.fn(),
+}));
+
+vi.mock("../config/config.js", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("../config/config.js")>();
+  return {
+    ...actual,
+    loadConfig,
+  };
+});
+
+vi.mock("./proxy.js", () => ({
+  makeProxyFetch,
+}));
+
+vi.mock("./fetch.js", () => ({
+  resolveTelegramFetch,
+}));
+
+vi.mock("grammy", () => ({
+  Bot: class {
+    api = botApi;
+    constructor(
+      public token: string,
+      public options?: { client?: { fetch?: typeof fetch; timeoutSeconds?: number } },
+    ) {
+      botCtorSpy(token, options);
+    }
+  },
+  InputFile: class {},
+}));
+
+import { deleteMessageTelegram, reactMessageTelegram, sendMessageTelegram } from "./send.js";
+
+describe("telegram proxy client", () => {
+  const proxyUrl = "http://proxy.test:8080";
+
+  beforeEach(() => {
+    botApi.sendMessage.mockResolvedValue({ message_id: 1, chat: { id: "123" } });
+    botApi.setMessageReaction.mockResolvedValue(undefined);
+    botApi.deleteMessage.mockResolvedValue(true);
+    botCtorSpy.mockReset();
+    loadConfig.mockReturnValue({
+      channels: { telegram: { accounts: { foo: { proxy: proxyUrl } } } },
+    });
+    makeProxyFetch.mockReset();
+    resolveTelegramFetch.mockReset();
+  });
+
+  it("uses proxy fetch for sendMessage", async () => {
+    const proxyFetch = vi.fn();
+    const fetchImpl = vi.fn();
+    makeProxyFetch.mockReturnValue(proxyFetch as unknown as typeof fetch);
+    resolveTelegramFetch.mockReturnValue(fetchImpl as unknown as typeof fetch);
+
+    await sendMessageTelegram("123", "hi", { token: "tok", accountId: "foo" });
+
+    expect(makeProxyFetch).toHaveBeenCalledWith(proxyUrl);
+    expect(resolveTelegramFetch).toHaveBeenCalledWith(proxyFetch);
+    expect(botCtorSpy).toHaveBeenCalledWith(
+      "tok",
+      expect.objectContaining({
+        client: expect.objectContaining({ fetch: fetchImpl }),
+      }),
+    );
+  });
+
+  it("uses proxy fetch for reactions", async () => {
+    const proxyFetch = vi.fn();
+    const fetchImpl = vi.fn();
+    makeProxyFetch.mockReturnValue(proxyFetch as unknown as typeof fetch);
+    resolveTelegramFetch.mockReturnValue(fetchImpl as unknown as typeof fetch);
+
+    await reactMessageTelegram("123", "456", "✅", { token: "tok", accountId: "foo" });
+
+    expect(makeProxyFetch).toHaveBeenCalledWith(proxyUrl);
+    expect(resolveTelegramFetch).toHaveBeenCalledWith(proxyFetch);
+    expect(botCtorSpy).toHaveBeenCalledWith(
+      "tok",
+      expect.objectContaining({
+        client: expect.objectContaining({ fetch: fetchImpl }),
+      }),
+    );
+  });
+
+  it("uses proxy fetch for deleteMessage", async () => {
+    const proxyFetch = vi.fn();
+    const fetchImpl = vi.fn();
+    makeProxyFetch.mockReturnValue(proxyFetch as unknown as typeof fetch);
+    resolveTelegramFetch.mockReturnValue(fetchImpl as unknown as typeof fetch);
+
+    await deleteMessageTelegram("123", "456", { token: "tok", accountId: "foo" });
+
+    expect(makeProxyFetch).toHaveBeenCalledWith(proxyUrl);
+    expect(resolveTelegramFetch).toHaveBeenCalledWith(proxyFetch);
+    expect(botCtorSpy).toHaveBeenCalledWith(
+      "tok",
+      expect.objectContaining({
+        client: expect.objectContaining({ fetch: fetchImpl }),
+      }),
+    );
+  });
+});