chore: import upstream snapshot with attribution

2026-07-13 12:49:17 +08:00
commit 7243d5823b
2201 changed files with 257291 additions and 0 deletions
@@ -0,0 +1,69 @@
+import ast
+from pathlib import Path
+
+import pytest
+
+
+# locate server src dynamically to avoid hardcoded layout assumptions
+ROOT = Path(__file__).resolve().parents[2]  # tests/integration -> tests -> Server
+candidates = [
+    ROOT / "src",
+]
+SRC = next((p for p in candidates if p.exists()), None)
+if SRC is None:
+    searched = "\n".join(str(p) for p in candidates)
+    pytest.skip(
+        "MCP for Unity server source not found. Tried:\n" + searched,
+        allow_module_level=True,
+    )
+
+
+def test_no_print_statements_in_codebase():
+    """Ensure no stray print/sys.stdout writes remain in server source."""
+    # CLI tools that intentionally print to stdout
+    ALLOWED_PRINT_FILES = {
+        Path("scene_generator") / "test_pipeline.py",
+    }
+    offenders = []
+    syntax_errors = []
+    for py_file in SRC.rglob("*.py"):
+        # Skip virtual envs and third-party packages if they exist under SRC
+        parts = set(py_file.parts)
+        if ".venv" in parts or "site-packages" in parts:
+            continue
+        try:
+            text = py_file.read_text(encoding="utf-8", errors="strict")
+        except UnicodeDecodeError:
+            # Be tolerant of encoding edge cases in source tree without silently dropping bytes
+            text = py_file.read_text(encoding="utf-8", errors="replace")
+        try:
+            tree = ast.parse(text, filename=str(py_file))
+        except SyntaxError:
+            syntax_errors.append(py_file.relative_to(SRC))
+            continue
+
+        class StdoutVisitor(ast.NodeVisitor):
+            def __init__(self):
+                self.hit = False
+
+            def visit_Call(self, node: ast.Call):
+                # print(...)
+                if isinstance(node.func, ast.Name) and node.func.id == "print":
+                    self.hit = True
+                # sys.stdout.write(...)
+                if isinstance(node.func, ast.Attribute) and node.func.attr == "write":
+                    val = node.func.value
+                    if isinstance(val, ast.Attribute) and val.attr == "stdout":
+                        if isinstance(val.value, ast.Name) and val.value.id == "sys":
+                            self.hit = True
+                self.generic_visit(node)
+
+        v = StdoutVisitor()
+        v.visit(tree)
+        rel_path = py_file.relative_to(SRC)
+        if v.hit and rel_path not in ALLOWED_PRINT_FILES:
+            offenders.append(rel_path)
+    assert not syntax_errors, "syntax errors in: " + \
+        ", ".join(str(e) for e in syntax_errors)
+    assert not offenders, "stdout writes found in: " + \
+        ", ".join(str(o) for o in offenders)