# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
#
# 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.
"""Test listing raw events.
"""

import datetime
import logging

from ceilometer.collector import meter
from ceilometer import counter
from ceilometer.openstack.common import cfg

from .base import FunctionalTest

LOG = logging.getLogger(__name__)


class TestListEvents(FunctionalTest):

    def setUp(self):
        super(TestListEvents, self).setUp()
        self.counter1 = counter.Counter(
            'instance',
            'cumulative',
            '',
            1,
            'user-id',
            'project1',
            'resource-id',
            timestamp=datetime.datetime(2012, 7, 2, 10, 40),
            resource_metadata={'display_name': 'test-server',
                               'tag': 'self.counter',
                               'ignored_dict': {'key': 'value'},
                               'ignored_list': ['not-returned'],
                               }
        )
        msg = meter.meter_message_from_counter(self.counter1,
                                               cfg.CONF.metering_secret,
                                               'test_source',
                                               )
        self.conn.record_metering_data(msg)

        self.counter2 = counter.Counter(
            'instance',
            'cumulative',
            '',
            1,
            'user-id2',
            'project2',
            'resource-id-alternate',
            timestamp=datetime.datetime(2012, 7, 2, 10, 41),
            resource_metadata={'display_name': 'test-server',
                               'tag': 'self.counter2',
                               }
        )
        msg2 = meter.meter_message_from_counter(self.counter2,
                                                cfg.CONF.metering_secret,
                                                'source2',
                                                )
        self.conn.record_metering_data(msg2)

    def test_all(self):
        data = self.get_json('/resources')
        self.assertEquals(2, len(data))

    def test_empty_project(self):
        data = self.get_json('/projects/no-such-project/meters/instance')
        self.assertEquals([], data)

    def test_by_project(self):
        data = self.get_json('/projects/project1/meters/instance')
        self.assertEquals(1, len(data))

    def test_empty_resource(self):
        data = self.get_json('/resources/no-such-resource/meters/instance')
        self.assertEquals([], data)

    def test_by_resource(self):
        data = self.get_json('/resources/resource-id/meters/instance')
        self.assertEquals(1, len(data))

    def test_empty_source(self):
        data = self.get_json('/sources/no-such-source/meters/instance',
                             expect_errors=True)
        self.assertEquals(data.status_int, 404)

    def test_by_source(self):
        data = self.get_json('/sources/test_source/meters/instance')
        self.assertEquals(1, len(data))

    def test_empty_user(self):
        data = self.get_json('/users/no-such-user/meters/instance')
        self.assertEquals([], data)

    def test_by_user(self):
        data = self.get_json('/users/user-id/meters/instance')
        self.assertEquals(1, len(data))

    def test_metadata(self):
        data = self.get_json('/resources/resource-id/meters/instance')
        self.assertEquals(1, len(data))
        sample = data[0]
        self.assert_('resource_metadata' in sample)
        self.assertEqual(
            list(sorted(sample['resource_metadata'].iteritems())),
            [('display_name', 'test-server'),
             ('tag', 'self.counter'),
             ])