import os
import testinfra.utils.ansible_runner

# Get hosts from Testinfra inventory created by Molecule
testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    os.environ.get('MOLECULE_INVENTORY_FILE')
).get_hosts('all')


def test_podman_package_installed(host):
    pkg = host.package("podman")
    assert pkg.is_installed, "podman package should be installed"


def test_podman_binary_executes(host):
    cmd = host.run("podman --version")
    assert cmd.rc == 0, f"podman not runnable: {cmd.stderr or cmd.stdout}"


def test_containers_conf_exists(host):
    f = host.file("/etc/containers/registries.conf")
    assert f.exists, "/etc/containers/registries.conf should exist"


def test_policy_json_exists(host):
    f = host.file("/etc/containers/policy.json")
    assert f.exists, "/etc/containers/policy.json should exist"


def test_podman_config_file_valid_json(host):
    f = host.file("/etc/containers/policy.json")
    assert f.exists and f.size > 0
    cmd = host.run("python3 -c 'import json,sys;json.load(open(\"/etc/containers/policy.json\"))'")
    assert cmd.rc == 0, "policy.json should be valid JSON"