# tests/test_cli.py
import os, subprocess, sys, unittest

ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))

def run(*args):
    return subprocess.run([sys.executable, os.path.join(ROOT, "apex"), *args],
                          text=True, capture_output=True)

class TestCli(unittest.TestCase):
    def test_help_lists_and_exits_zero(self):
        r = run("--help")
        self.assertEqual(r.returncode, 0)
        self.assertIn("Available actions", r.stdout)

    def test_compose_alias_uses_canonical_action(self):
        canonical = run("composition/run", "--help")
        self.assertEqual(canonical.returncode, 0)
        alias = run("compose", "--help")
        self.assertEqual(alias.returncode, 0)
        self.assertEqual(alias.stdout, canonical.stdout)

    def test_configuration_must_be_selected_explicitly(self):
        listing = run("--help")
        self.assertIn("config/hardening", listing.stdout)
        self.assertIn("repository/chown", listing.stdout)
        for command in ("configure", "config"):
            result = run(command)
            self.assertEqual(result.returncode, 1)
            self.assertIn("Unknown action", result.stderr)

    def test_unknown_action_exits_one(self):
        r = run("no/such")
        self.assertEqual(r.returncode, 1)
        self.assertIn("Unknown action", r.stderr)

if __name__ == "__main__":
    unittest.main()