#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

from muchos.util import get_arch, parse_args, get_ephemeral_devices


def test_util():
    assert set(get_ephemeral_devices('m3.large')) == set(['/dev/xvdb'])
    assert set(get_ephemeral_devices('m3.xlarge')) == set(['/dev/xvdb', '/dev/xvdc'])

    assert set(get_ephemeral_devices('i3.xlarge')) == set(['/dev/nvme0n1'])
    assert set(get_ephemeral_devices('i3.4xlarge')) == set(['/dev/nvme0n1','/dev/nvme1n1'])

    assert get_arch('m1.large') == 'pvm'
    assert get_arch('m3.large') == 'hvm'

    hosts_dir = '../conf/hosts'
    assert parse_args(hosts_dir, ['launch']) is None
    assert parse_args(hosts_dir, ['launch', 'mycluster']) is None
    assert parse_args(hosts_dir, ['-c', 'mycluster', 'launch']) is not None

    hosts_dir = '../conf/hosts/example'
    assert parse_args(hosts_dir, ['setup']) is not None
    assert parse_args(hosts_dir, ['config']) is None
    assert parse_args(hosts_dir, ['-p', 'all', 'config']) is not None