import os
import re

import responses

import inventory_provider
from inventory_provider import juniper
from inventory_provider.tasks import worker

TEST_DATA_FILENAME = os.path.realpath(os.path.join(
    inventory_provider.__path__[0],
    '..',
    'test',
    'data',
    'junosspace-devices.xml'))


@responses.activate
def test_junosspace_devices_parsing(data_config):
    data_config['junosspace']['api'] = 'http://sabababa'
    with open(TEST_DATA_FILENAME) as f:
        responses.add(
            method=responses.GET,
            url=data_config['junosspace']['api'] +
            '/device-management/devices',
            body=f.read())

    routers = juniper.load_routers_from_junosspace(data_config['junosspace'])

    hostnames = [r['hostname'] for r in routers]

    # test for .re\d+ greediness
    assert 'mx1.ams.nl.geant.net' in hostnames
    # test that 'qfx1.fra.de' is parsed
    assert 'qfx1.fra.de.geant.net' in hostnames


def test_router_hostname_derivation(mocked_redis):
    """
    test result depends specifically on the test data set containing
    a realistic snapshot

    :param mocked_redis:
    :return:
    """
    config = {
        'redis': {
            'hostname': None,
            'port': None
        }
    }
    hostnames = list(worker._derive_router_hostnames(config))
    assert hostnames  # test data is non-empty
    for h in hostnames:
        assert re.match(r'^mx[12].+\.geant\.net$', h)