# -*- encoding: utf-8 -*-
#
# Copyright © 2013 eNovance
#
# Author: Julien Danjou <julien@danjou.info>
#
# Licensed 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.
"""Tests for ceilometer/notifier.py
"""

from ceilometer import notifier
from ceilometer import pipeline
from ceilometer import publisher
from ceilometer import transformer
from ceilometer.tests import base as tests_base
from stevedore import extension


MESSAGE = {
    u'event_type': u'compute.instance.create.end',
    u'message_id': u'dae6f69c-00e0-41c0-b371-41ec3b7f4451',
    u'payload': {u'created_at': u'2012-05-08 20:23:41',
                 u'deleted_at': u'',
                 u'disk_gb': 0,
                 u'display_name': u'testme',
                 u'fixed_ips': [{u'address': u'10.0.0.2',
                                 u'floating_ips': [],
                                 u'meta': {},
                                 u'type': u'fixed',
                                 u'version': 4}],
                 u'image_ref_url': u'http://10.0.2.15:9292/images/UUID',
                 u'instance_id': u'9f9d01b9-4a58-4271-9e27-398b21ab20d1',
                 u'instance_type': u'm1.tiny',
                 u'instance_type_id': 2,
                 u'launched_at': u'2012-05-08 20:23:47.985999',
                 u'memory_mb': 512,
                 u'state': u'active',
                 u'state_description': u'',
                 u'tenant_id': u'7c150a59fe714e6f9263774af9688f0e',
                 u'user_id': u'1e3ce043029547f1a61c1996d1a531a2',
                 u'reservation_id': u'1e3ce043029547f1a61c1996d1a531a3',
                 u'vcpus': 1,
                 u'root_gb': 0,
                 u'ephemeral_gb': 0,
                 u'host': u'compute-host-name',
                 u'availability_zone': u'1e3ce043029547f1a61c1996d1a531a4',
                 u'os_type': u'linux?',
                 u'architecture': u'x86',
                 u'image_ref': u'UUID',
                 u'kernel_id': u'1e3ce043029547f1a61c1996d1a531a5',
                 u'ramdisk_id': u'1e3ce043029547f1a61c1996d1a531a6',
                 },
    u'priority': u'INFO',
    u'publisher_id': u'compute.vagrant-precise',
    u'timestamp': u'2012-05-08 20:23:48.028195',
}


class TestNotifier(tests_base.TestCase):

    class PublisherClass():
        def __init__(self):
            self.counters = []

        def publish_counters(self, ctxt, counter, source):
            self.counters.extend(counter)

    def test_process_notification(self):
        pub = self.PublisherClass()
        transformer_manager = transformer.TransformerExtensionManager(
            'ceilometer.transformer',
        )
        publisher_manager = publisher.PublisherExtensionManager(
            'fake',
        )
        publisher_manager.extensions = [
            extension.Extension(
                'test_pub',
                None,
                None,
                pub,
            ), ]
        publisher_manager.by_name = dict(
            (e.name, e)
            for e
            in publisher_manager.extensions)

        notifier._pipeline_manager = pipeline.PipelineManager(
            [{
                'name': "test_pipeline",
                'interval': 60,
                'counters': ['*'],
                'transformers': [],
                'publishers': ["test_pub"],
            }],
            transformer_manager,
            publisher_manager)

        self.assertEqual(len(pub.counters), 0)
        notifier.notify(None, MESSAGE)
        self.assertTrue(len(pub.counters) > 0)
        self.assertIn('disk.ephemeral.size',
                      [c.name for c in pub.counters])