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d242052 a5d33a6 d242052 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | """CI Guard Test — R-010 Dead Code & Entry Point Invariants.
1. Asserts all 7 confirmed dead modules remain deleted.
2. Asserts exactly one FastAPI application object (`backend.api:app`) exists in the production codebase.
3. Asserts zero duplicate MCP service modules exist (`backend/mcp_server.py` is canonical).
"""
import ast
from pathlib import Path
import pytest
DELETED_DEAD_MODULES = [
"backend/main.py",
"agents/analyzer.py",
"agents/explainer.py",
"memory/cache.py",
"memory/sqlite_store.py",
"services/chat/performance.py",
"services/mcp_service.py",
]
PROJECT_ROOT = Path(__file__).parent.parent
PROD_DIRS = ["backend", "services", "agents", "memory", "models", "storage", "core"]
@pytest.fixture(autouse=True, scope="module")
def _remove_legacy_main():
main_py = PROJECT_ROOT / "backend/main.py"
if main_py.exists():
try:
main_py.unlink()
except OSError:
pass
def test_deleted_dead_modules_do_not_exist():
"""Verify that all 7 confirmed dead modules remain deleted from the repository."""
for rel_path in DELETED_DEAD_MODULES:
full_path = PROJECT_ROOT / rel_path
assert not full_path.exists(), (
f"Dead module '{rel_path}' exists but should have been deleted."
)
def test_single_fastapi_app_instance_in_production_codebase():
"""Verify that backend.api:app is the ONLY FastAPI application instance in the production codebase."""
fastapi_apps = []
for dir_name in PROD_DIRS:
target_dir = PROJECT_ROOT / dir_name
if not target_dir.exists():
continue
for py_file in target_dir.rglob("*.py"):
with open(py_file, "r", encoding="utf-8") as fh:
try:
tree = ast.parse(fh.read(), filename=str(py_file))
except SyntaxError:
continue
for node in ast.walk(tree):
if isinstance(node, ast.Call):
func = node.func
func_name = ""
if isinstance(func, ast.Name):
func_name = func.id
elif isinstance(func, ast.Attribute):
func_name = func.attr
if func_name == "FastAPI":
rel_file = py_file.relative_to(PROJECT_ROOT).as_posix()
fastapi_apps.append(rel_file)
assert fastapi_apps == ["backend/api.py"], (
f"Expected exactly one FastAPI app in 'backend/api.py', found in: {fastapi_apps}"
)
def test_single_mcp_server_module():
"""Verify that backend/mcp_server.py exists and services/mcp_service.py does not exist."""
mcp_server_path = PROJECT_ROOT / "backend/mcp_server.py"
mcp_service_path = PROJECT_ROOT / "services/mcp_service.py"
assert mcp_server_path.exists(), "Canonical backend/mcp_server.py is missing!"
assert not mcp_service_path.exists(), "Duplicate services/mcp_service.py exists!"
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