feat: add native Tomie adapter and strict import compatibility checks

backend/tests/test_tomie_format.py

@@ -0,0 +1,74 @@
+from types import SimpleNamespace
+
+import pytest
+
+
+def test_native_translation_and_mod_edits_rebuild_the_same_vm_input(tmp_path, monkeypatch):
+    from app import mods
+    from app.config import get_settings
+    from app.converter.naninovel import _convert_package
+    from app.converter.nani_package import Package, text_records
+    from app.converter.tomie_format import unpack_modules
+    from app.converter.tomie_profile import PROFILE
+    from app.translation import apply_changes, text_index, locale_tables
+    monkeypatch.setenv("DATA_DIR", str(tmp_path / "data"))
+    get_settings.cache_clear()
+    package = Package(profile=PROFILE, defaults={"points": 3}, function_data={"names": ["Tomie"]})
+
+    def script(name, label, commands):
+        return {"name": name, "lines": [{"line": 1, "label": label, "commands": commands}]}
+
+    package.scripts = {
+        "StartGameSetting": script("StartGameSetting", "Start", [
+            {"op": "PrintText", "args": {"Text": {"template": "Points: {points}"}}},
+            {"op": "ExitToTitle", "args": {}}]),
+        "MessagePlay": script("MessagePlay", "Start", [{"op": "Return", "args": {}}]),
+        "AppScreen": script("AppScreen", "Start", [{"op": "Stop", "args": {}}]),
+    }
+    package.texts = text_records("Tips", "tip:Title|Description {points}", "Tips")
+    media = {key: {} for key in ("backgrounds", "characters", "textures", "videos", "audio", "fonts")}
+    monkeypatch.setattr("app.converter.tomie_assets.export_media", lambda *_: ({}, media, {}))
+    try:
+        result = _convert_package(tmp_path, tmp_path / "work", lambda _: None, package)
+        index = text_index(result.manifest)
+        assert {line.source for line in index.lines} == {"Points: {points}", "Title", "Description {points}"}
+        line = next(line for line in index.lines if line.source.startswith("Points:"))
+        translated = apply_changes(result.manifest, "ru", lines={line.tid: {"t": "Баллы: {points}"}})
+        assert locale_tables(translated, "ru")[0][line.tid]["t"] == "Баллы: {points}"
+        doc = mods.document(translated)
+        mods.validate(doc, translated)
+        node = next(node for module in doc["scripts"].values() for label in module["labels"]
+                    for node in label["body"] if node.get("tid") == line.tid)
+        node["what"] = "Score: {points}"
+        updated = mods.store(doc, translated)
+        runtime = unpack_modules(mods.document(updated)["scripts"])
+        assert runtime["StartGameSetting"]["commands"][0]["args"]["Text"] == {"template": "Score: {points}"}
+        module = next(module for module in doc["scripts"].values() if module.get("nani", {}).get("name") == "StartGameSetting")
+        module["labels"][0]["body"].insert(0, {"id": "inserted", "op": "nani_command", "command": {
+            "op": "SetCustomVariable", "args": {"Expression": "points+=1"}}})
+        assert unpack_modules(doc["scripts"])["StartGameSetting"]["labels"]["Start"] == 1
+        mods.validate(doc, translated)
+        node["command"]["op"] = "NativePlugin"
+        with pytest.raises(ValueError, match="NativePlugin"):
+            mods.validate(doc, translated)
+    finally:
+        get_settings.cache_clear()
+
+
+def test_video_recovery_checks_ranges_and_copies_only_declared_bytes(tmp_path):
+    from app.converter.tomie_assets import recover_object
+    data = tmp_path / "data"
+    out = tmp_path / "out"
+    data.mkdir(); out.mkdir()
+    original = b"header-clip-trailer"
+    (data / "resources.resource").write_bytes(original)
+    tree = {"m_OriginalPath": "Assets/Video/clip.webm", "m_ExternalResources": {
+        "m_Source": "resources.resource", "m_Offset": 7, "m_Size": 4}}
+    obj = SimpleNamespace(type=SimpleNamespace(name="VideoClip"), read=lambda: SimpleNamespace(m_Name="Clip"),
+                          read_typetree=lambda: tree)
+    recovered = recover_object(obj, data, out, "video")
+    assert recovered["path"].read_bytes() == b"clip"
+    assert (data / "resources.resource").read_bytes() == original
+    tree["m_ExternalResources"]["m_Size"] = len(original)
+    with pytest.raises(ValueError, match="диапазон"):
+        recover_object(obj, data, out, "invalid")