"""nisse-core is what every agent is built on (Part L): it never imports an
agent."""

import ast
from pathlib import Path

import nisse_core

AGENTS = ("nisse_dev", "nisse_ops", "nisse_review")


def test_core_imports_no_agent() -> None:
    root = Path(nisse_core.__file__).parent
    found = []
    for path in sorted(root.rglob("*.py")):
        for node in ast.walk(ast.parse(path.read_text())):
            if isinstance(node, ast.Import):
                names = [a.name for a in node.names]
            elif isinstance(node, ast.ImportFrom):
                names = [node.module or ""]
            else:
                continue
            found += [f"{path.name}: {n}" for n in names if n.split(".")[0] in AGENTS]
    assert len(list(root.rglob("*.py"))) > 10  # the modules really are here
    assert found == []