fix: wire budget contrib package discovery

Author: lan17

evaluators/builtin/tests/test_contrib_packages.py

@@ -0,0 +1,53 @@
+"""Tests for repo contrib package discovery wiring."""
+
+from __future__ import annotations
+
+import importlib.util
+import sys
+from pathlib import Path
+from types import ModuleType
+
+REPO_ROOT = Path(__file__).resolve().parents[3]
+SCRIPT_PATH = REPO_ROOT / "scripts" / "contrib_packages.py"
+MODULE_NAME = "agent_control_repo_contrib_packages"
+
+
+def load_contrib_packages_module() -> ModuleType:
+    """Load the repo contrib-packages script as a module for testing."""
+
+    module = sys.modules.get(MODULE_NAME)
+    if module is not None:
+        return module
+
+    spec = importlib.util.spec_from_file_location(MODULE_NAME, SCRIPT_PATH)
+    assert spec is not None
+    assert spec.loader is not None
+
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[MODULE_NAME] = module
+    spec.loader.exec_module(module)
+    return module
+
+
+def test_discover_contrib_packages_returns_expected_metadata() -> None:
+    """Test that real contrib packages are discovered with stable metadata."""
+
+    module = load_contrib_packages_module()
+
+    packages = module.discover_contrib_packages()
+
+    assert [(package.name, package.package, package.extra) for package in packages] == [
+        ("budget", "agent-control-evaluator-budget", "budget"),
+        ("cisco", "agent-control-evaluator-cisco", "cisco"),
+        ("galileo", "agent-control-evaluator-galileo", "galileo"),
+    ]
+
+
+def test_verify_contrib_packages_has_no_repo_wiring_drift() -> None:
+    """Test that contrib package wiring stays aligned with repo metadata."""
+
+    module = load_contrib_packages_module()
+
+    packages = module.discover_contrib_packages()
+
+    assert module.verify_contrib_packages(packages) == []