"""Guard the seam between private firmware research and publishable source."""

import tempfile
import unittest
from pathlib import Path

from scripts.export_project import export_project


class ExportTests(unittest.TestCase):
    def test_excludes_vendor_inputs_and_preserves_source(self):
        with tempfile.TemporaryDirectory() as temporary:
            root = Path(temporary) / "workspace"
            for name in (
                "controller/main.py",
                "controller/cache.bin",
                "README.md",
                "analysis/app-source/Vendor.java",
                "speaker.bin",
                "app.apk",
                ".env",
            ):
                path = root / name
                path.parent.mkdir(parents=True, exist_ok=True)
                path.write_text("fixture")
            output = Path(temporary) / "export"
            export_project(root, output)
            self.assertEqual(
                sorted(
                    str(path.relative_to(output)).replace("\\", "/")
                    for path in output.rglob("*")
                    if path.is_file()
                ),
                ["README.md", "controller/main.py"],
            )

    def test_refuses_existing_content(self):
        with tempfile.TemporaryDirectory() as temporary:
            root = Path(temporary)
            output = root / "export"
            output.mkdir()
            marker = output / "keep.txt"
            marker.write_text("do not replace")
            with self.assertRaises(ValueError):
                export_project(root, output)
            self.assertEqual(marker.read_text(), "do not replace")