fix(cli): restore tts --text-file compatibility (#2117)

packages/cli/src/commands/tts.test.ts

@@ -0,0 +1,45 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { assertKnownFlags } from "../utils/reject-unknown-flags.js";
+
+const synthesizeMock = vi.fn().mockResolvedValue({
+  durationSeconds: 1,
+  langApplied: true,
+  outputPath: "/tmp/speech.wav",
+});
+vi.mock("../tts/synthesize.js", () => ({ synthesize: synthesizeMock }));
+
+import ttsCommand from "./tts.js";
+
+describe("tts command", () => {
+  let dir: string;
+
+  beforeEach(() => {
+    dir = mkdtempSync(join(tmpdir(), "hf-tts-command-test-"));
+    synthesizeMock.mockClear();
+    vi.spyOn(console, "log").mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    rmSync(dir, { recursive: true, force: true });
+    vi.restoreAllMocks();
+  });
+
+  it("accepts --text-file as a compatibility alias for file input", async () => {
+    const input = join(dir, "script.txt");
+    writeFileSync(input, "Legacy file input\n");
+
+    expect(() =>
+      assertKnownFlags(ttsCommand as never, ["--text-file", input, "--json"]),
+    ).not.toThrow();
+    await ttsCommand.run!({ args: { "text-file": input, json: true } } as never);
+
+    expect(synthesizeMock).toHaveBeenCalledWith(
+      "Legacy file input",
+      expect.stringMatching(/speech\.wav$/),
+      expect.objectContaining({ lang: "en-us" }),
+    );
+  });
+});