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import importlib.util
import json
import os
import platform
from pathlib import Path
import tempfile
import unittest
from unittest.mock import patch
from vibegame.project import ProjectError, parse_project, validate_files, write_project
from vibegame.validate import ERROR_PATTERN, sandbox_command, validate_project
def minimal():
return {
"project.godot": 'config_version=5\n[application]\nconfig/name="Test"\nrun/main_scene="res://main.tscn"\n[rendering]\nrenderer/rendering_method="gl_compatibility"\n',
"main.tscn": '[gd_scene load_steps=2 format=3]\n[ext_resource type="Script" path="res://main.gd" id="1"]\n[node name="Main" type="Node2D"]\nscript = ExtResource("1")\n',
"main.gd": 'extends Node2D\nfunc _ready():\n queue_redraw()\nfunc _draw():\n draw_circle(Vector2(40, 40), 20, Color.CORAL)\n',
}
class ProjectContractTest(unittest.TestCase):
def test_valid_roundtrip(self):
files = minimal()
self.assertEqual(parse_project(json.dumps({"files": files})), files)
def test_no_fences_or_extra_fields(self):
for value in ['```json\n{}\n```', '{"files":{},"explanation":"hi"}', '[]', 'null']:
with self.subTest(value=value), self.assertRaises(ProjectError):
parse_project(value)
def test_duplicate_keys(self):
with self.assertRaises(ProjectError):
parse_project('{"files":{},"files":{}}')
def test_traversal_asset_paths(self):
for name in ["../evil.gd", "/evil.gd", "sub/../../evil.gd", "sub//evil.gd", "sub/./evil.gd", "sub\\evil.gd", "photo.png", "addon.gdextension", "project.godot/evil.gd"]:
files = minimal()
files[name] = "extends Node"
if name == "project.godot/evil.gd":
# A source-file path may not also be used as a directory.
with tempfile.TemporaryDirectory() as folder:
with self.assertRaises((ProjectError, OSError)):
write_project(files, Path(folder) / "out")
else:
with self.subTest(name=name), self.assertRaises(ProjectError):
validate_files(files)
def test_forbidden_capabilities(self):
snippets = ['OS.execute("sh", [])', 'FileAccess.open("data", 1)', 'HTTPRequest.new()', 'ClassDB.instantiate("OS")', 'Expression.new()', '@tool', 'load("res://main.gd")', 'obj.call("unsafe")', 'get_tree().change_scene_to_file("res://main.tscn")', 'JavaScriptBridge.eval("x")', 'ResourceLoader.load("res://main.gd")']
for code in snippets:
files = minimal()
files["main.gd"] += code
with self.subTest(code=code), self.assertRaises(ProjectError):
validate_files(files)
def test_remote_absolute_missing_resources(self):
for resource in ['https://example.com/data', 'user://secret', '/etc/passwd', 'C:\\secret', 'res://../secret.gd', 'res://missing.gd', 'uid://123']:
files = minimal()
files["main.gd"] += f'\nvar x = "{resource}"\n'
with self.subTest(resource=resource), self.assertRaises(ProjectError):
validate_files(files)
def test_external_scene_resources(self):
files = minimal()
files["main.tscn"] += '[ext_resource type="PackedScene" path="../outside.tscn" id="2"]'
with self.assertRaises(ProjectError):
validate_files(files)
def test_autoload_rejected(self):
files = minimal()
files["project.godot"] += '\n[autoload]\nBackdoor="res://main.gd"\n'
with self.assertRaises(ProjectError):
validate_files(files)
def test_wrong_main_scene(self):
files = minimal()
files["project.godot"] = files["project.godot"].replace("res://main.tscn", "res://other.tscn")
with self.assertRaises(ProjectError):
validate_files(files)
def test_size_limits(self):
for content in ["", "x" * 128001, "\x00"]:
files = minimal()
files["main.gd"] = content
with self.assertRaises(ProjectError):
validate_files(files)
def test_missing_required_file(self):
files = minimal()
del files["main.gd"]
with self.assertRaises(ProjectError):
validate_files(files)
def test_symlink_destination(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
(root / "real").mkdir()
(root / "link").symlink_to(root / "real", target_is_directory=True)
with self.assertRaises(ProjectError):
write_project(minimal(), root / "link" / "out")
self.assertEqual(list((root / "real").iterdir()), [])
def test_existing_directory_not_modified(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
(root / "sentinel").write_text("preserve")
with self.assertRaises(ProjectError):
write_project(minimal(), root)
self.assertEqual((root / "sentinel").read_text(), "preserve")
class HarnessTest(unittest.TestCase):
def test_error_markers(self):
for line in ["SCRIPT ERROR: Parse Error: bad", "ERROR: failed to load", "Parse Error: bad", "Compile Error: bad", "Segmentation fault", "Failed to load script"]:
self.assertIsNotNone(ERROR_PATTERN.search(line))
self.assertIsNone(ERROR_PATTERN.search("Godot Engine v4.5.1.stable"))
def test_import_failure_prevents_run(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
binary = root / "godot"
binary.write_bytes(b"fake runtime")
with patch("vibegame.validate.run_sandboxed", return_value={"success": False, "errors": ["Parse Error"]}) as launch:
result = validate_project(minimal(), root / "result", str(binary))
self.assertFalse(result["compile_success"])
self.assertFalse(result["clean_run"])
self.assertEqual(launch.call_count, 1)
self.assertTrue((root / "result/validation.json").exists())
def test_short_smoke_never_becomes_60s_metric(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
binary = root / "godot"
binary.write_bytes(b"fake runtime")
with patch("vibegame.validate.run_sandboxed", return_value={"success": True}):
result = validate_project(minimal(), root / "result", str(binary), 0.1)
self.assertTrue(result["compile_success"])
self.assertTrue(result["clean_run"])
self.assertFalse(result["clean_run_60s"])
def test_evidence_cannot_be_overwritten(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
(root / "validation.json").write_text("existing")
with self.assertRaises(FileExistsError):
validate_project(minimal(), root, "/missing")
self.assertEqual((root / "validation.json").read_text(), "existing")
def test_macos_fails_before_execution(self):
with tempfile.TemporaryDirectory() as folder, patch("platform.system", return_value="Darwin"):
with self.assertRaisesRegex(RuntimeError, "macOS validation is disabled"):
sandbox_command(["/bin/true"], Path(folder))
def test_no_bwrap_fails_closed(self):
with tempfile.TemporaryDirectory() as folder, patch("platform.system", return_value="Linux"), patch("shutil.which", return_value=None):
with self.assertRaisesRegex(RuntimeError, "fails closed"):
sandbox_command(["/bin/true"], Path(folder))
class EvaluationEvidenceTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
import sys
scripts = Path(__file__).resolve().parents[1] / "scripts"
sys.path.insert(0, str(scripts))
import evaluate
cls.evaluate = evaluate
def test_zero_denominator_is_null(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
(root / "items").mkdir()
result = self.evaluate.summarize(root, 0, 60)
self.assertIsNone(result["compile_success_rate"])
self.assertIsNone(result["clean_run_60s_rate"])
def test_incomplete_cannot_report_final_rate(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
item = root / "items/0000"
item.mkdir(parents=True)
(item / "result.json").write_text(json.dumps({"compile_success": True, "clean_run_60s": True}))
result = self.evaluate.summarize(root, 500, 60)
self.assertEqual(result["compile_success_count"], 1)
self.assertIsNone(result["compile_success_rate"])
self.assertEqual(result["pending_prompts"], 499)
self.assertEqual(result["sample_indices"], [0, 200, 400])
def test_failure_remains_in_denominator(self):
with tempfile.TemporaryDirectory() as folder:
root = Path(folder).resolve()
for index in range(2):
item = root / "items" / f"{index:04d}"
item.mkdir(parents=True)
(item / "result.json").write_text(json.dumps({"compile_success": index == 0, "clean_run_60s": False}))
result = self.evaluate.summarize(root, 2, 60)
self.assertEqual(result["compile_success_rate"], 0.5)
self.assertEqual(result["clean_run_60s_rate"], 0)
def test_completed_failure_never_revalidated(self):
with tempfile.TemporaryDirectory() as folder:
item = Path(folder).resolve()
(item / "check").mkdir()
(item / "check/validation.json").write_text(json.dumps({"compile_success": False, "clean_run_60s": False}))
with patch.object(self.evaluate, "validate_project") as validate:
result = self.evaluate.validate_saved_project(minimal(), item, "/bin/false", 60)
self.assertFalse(result["compile_success"])
validate.assert_not_called()
def test_interrupted_validation_preserves_evidence(self):
with tempfile.TemporaryDirectory() as folder:
item = Path(folder).resolve()
(item / "check").mkdir()
(item / "check/import.log").write_text("existing evidence")
with patch.object(self.evaluate, "validate_project", return_value={"compile_success": True, "clean_run_60s": True}) as validate:
result = self.evaluate.validate_saved_project(minimal(), item, "/bin/true", 60)
self.assertEqual(validate.call_args.args[1], item / "check-resume-001")
self.assertEqual((item / "check/import.log").read_text(), "existing evidence")
self.assertTrue((item / "check/interruption.json").exists())
self.assertEqual(result["interrupted_validation_attempts"], 1)
@unittest.skipUnless(platform.system() == "Linux" and os.environ.get("VIBEGAME_GODOT"), "Opt-in Linux engine integration: set VIBEGAME_GODOT")
class RealGodotIntegrationTest(unittest.TestCase):
def check(self, files):
with tempfile.TemporaryDirectory() as folder:
return validate_project(files, Path(folder).resolve() / "evidence", os.environ["VIBEGAME_GODOT"], 1)
def test_actual_clean_window_is_not_publication_metric(self):
result = self.check(minimal())
self.assertTrue(result["compile_success"], result)
self.assertTrue(result["clean_run"], result)
self.assertFalse(result["clean_run_60s"])
self.assertGreaterEqual(result["runtime"]["wall_seconds"], 1)
def test_actual_parse_error_is_rejected(self):
files = minimal()
files["main.gd"] += "\nfunc broken(\n"
result = self.check(files)
self.assertFalse(result["compile_success"], result)
def test_actual_runtime_error_is_rejected(self):
files = minimal()
files["main.gd"] = "extends Node2D\nfunc _ready():\n var target: Node = null\n target.get_child(0)\n"
result = self.check(files)
self.assertTrue(result["compile_success"], result)
self.assertFalse(result["clean_run"], result)
self.assertTrue(result["runtime"]["errors"], result)
def test_actual_early_exit_is_rejected(self):
files = minimal()
files["main.gd"] = "extends Node2D\nfunc _ready():\n get_tree().quit()\n"
result = self.check(files)
self.assertTrue(result["compile_success"], result)
self.assertFalse(result["clean_run"], result)
self.assertFalse(result["runtime"]["terminated_by_harness"], result)
@unittest.skipUnless(os.environ.get("VIBEGAME_CAPTURE_TEST") == "1", "Opt-in Xvfb/ffmpeg recording: set VIBEGAME_CAPTURE_TEST=1")
def test_actual_capture_has_verified_mp4(self):
import sys
sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "scripts"))
from record_game import record
with tempfile.TemporaryDirectory() as folder:
output = Path(folder).resolve() / "sample.mp4"
result = record(minimal(), Path(os.environ["VIBEGAME_GODOT"]).resolve(), output, seconds=2, fps=10)
self.assertTrue(result["capture_success"], result)
self.assertGreater(output.stat().st_size, 1000)
self.assertTrue(output.with_suffix(".recording.json").is_file())
if __name__ == "__main__":
unittest.main()
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