fix(telegram): clear offsets on token change

src/commands/channels.add.test.ts

@@ -0,0 +1,84 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { setDefaultChannelPluginRegistryForTests } from "./channel-test-helpers.js";
+import { baseConfigSnapshot, createTestRuntime } from "./test-runtime-config-helpers.js";
+
+const configMocks = vi.hoisted(() => ({
+  readConfigFileSnapshot: vi.fn(),
+  writeConfigFile: vi.fn().mockResolvedValue(undefined),
+}));
+
+const offsetMocks = vi.hoisted(() => ({
+  deleteTelegramUpdateOffset: vi.fn().mockResolvedValue(undefined),
+}));
+
+vi.mock("../config/config.js", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("../config/config.js")>();
+  return {
+    ...actual,
+    readConfigFileSnapshot: configMocks.readConfigFileSnapshot,
+    writeConfigFile: configMocks.writeConfigFile,
+  };
+});
+
+vi.mock("../telegram/update-offset-store.js", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("../telegram/update-offset-store.js")>();
+  return {
+    ...actual,
+    deleteTelegramUpdateOffset: offsetMocks.deleteTelegramUpdateOffset,
+  };
+});
+
+import { channelsAddCommand } from "./channels.js";
+
+const runtime = createTestRuntime();
+
+describe("channelsAddCommand", () => {
+  beforeEach(() => {
+    configMocks.readConfigFileSnapshot.mockReset();
+    configMocks.writeConfigFile.mockClear();
+    offsetMocks.deleteTelegramUpdateOffset.mockClear();
+    runtime.log.mockClear();
+    runtime.error.mockClear();
+    runtime.exit.mockClear();
+    setDefaultChannelPluginRegistryForTests();
+  });
+
+  it("clears telegram update offsets when the token changes", async () => {
+    configMocks.readConfigFileSnapshot.mockResolvedValue({
+      ...baseConfigSnapshot,
+      config: {
+        channels: {
+          telegram: { botToken: "old-token", enabled: true },
+        },
+      },
+    });
+
+    await channelsAddCommand(
+      { channel: "telegram", account: "default", token: "new-token" },
+      runtime,
+      { hasFlags: true },
+    );
+
+    expect(offsetMocks.deleteTelegramUpdateOffset).toHaveBeenCalledTimes(1);
+    expect(offsetMocks.deleteTelegramUpdateOffset).toHaveBeenCalledWith({ accountId: "default" });
+  });
+
+  it("does not clear telegram update offsets when the token is unchanged", async () => {
+    configMocks.readConfigFileSnapshot.mockResolvedValue({
+      ...baseConfigSnapshot,
+      config: {
+        channels: {
+          telegram: { botToken: "same-token", enabled: true },
+        },
+      },
+    });
+
+    await channelsAddCommand(
+      { channel: "telegram", account: "default", token: "same-token" },
+      runtime,
+      { hasFlags: true },
+    );
+
+    expect(offsetMocks.deleteTelegramUpdateOffset).not.toHaveBeenCalled();
+  });
+});