"""The committed classes in patch/prebuilt must match patch/src."""
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "tools"))
from build_patch import DIGEST_FILE, sources_digest  # noqa: E402
from classfile import JAVA_1_4_MAJOR, ClassFile  # noqa: E402
from facade_install import PREBUILT_CLASSES  # noqa: E402
from patch_manifest import GENERATED, PREBUILT  # noqa: E402


class PrebuiltTests(unittest.TestCase):
    def test_prebuilt_classes_were_built_from_the_current_sources(self):
        self.assertEqual(DIGEST_FILE.read_text(encoding="ascii").strip(), sources_digest(),
                         "patch/src changed: run tools/build_patch.py and commit patch/prebuilt")

    def test_every_shipped_class_is_present_and_targets_java_1_4(self):
        for name in PREBUILT:
            parsed = ClassFile((PREBUILT_CLASSES / name).read_bytes())
            self.assertEqual(parsed.major, JAVA_1_4_MAJOR, name)

    def test_no_game_code_is_shipped(self):
        # PreprocessorRules is the game's own class; the installer makes it locally.
        shipped = {p.relative_to(PREBUILT_CLASSES).as_posix() for p in PREBUILT_CLASSES.rglob("*.class")}
        self.assertEqual(shipped, set(PREBUILT))
        self.assertFalse(shipped & set(GENERATED))


if __name__ == "__main__":
    unittest.main()