# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
#         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.
"""Test getting the total resource volume.
"""

import datetime

from oslo.config import cfg

from ceilometer.publisher import meter
from ceilometer import counter

from ceilometer.tests import api as tests_api
from ceilometer.storage.impl_mongodb import require_map_reduce


class TestSumResourceVolume(tests_api.TestBase):

    def setUp(self):
        super(TestSumResourceVolume, self).setUp()
        require_map_reduce(self.conn)

        self.counters = []
        for i in range(3):
            c = counter.Counter(
                'volume.size',
                'gauge',
                'GiB',
                5 + i,
                'user-id',
                'project1',
                'resource-id',
                timestamp=datetime.datetime(2012, 9, 25, 10 + i, 30 + i),
                resource_metadata={'display_name': 'test-volume',
                                   'tag': 'self.counter',
                                   }
            )
            self.counters.append(c)
            msg = meter.meter_message_from_counter(
                c,
                cfg.CONF.publisher_meter.metering_secret,
                'source1',
            )
            self.conn.record_metering_data(msg)

    def test_no_time_bounds(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum')
        expected = {'volume': 5 + 6 + 7}
        assert data == expected

    def test_no_time_bounds_non_admin(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        headers={"X-Roles": "Member",
                                 "X-Tenant-Id": "project1"})
        self.assertEqual(data, {'volume': 5 + 6 + 7})

    def test_no_time_bounds_wrong_tenant(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        headers={"X-Roles": "Member",
                                 "X-Tenant-Id": "?"})
        self.assertEqual(data, {'volume': None})

    def test_start_timestamp(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        start_timestamp='2012-09-25T11:30:00')
        expected = {'volume': 6 + 7}
        assert data == expected

    def test_start_timestamp_after(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        start_timestamp='2012-09-25T12:34:00')
        expected = {'volume': None}
        assert data == expected

    def test_end_timestamp(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        end_timestamp='2012-09-25T11:30:00')
        expected = {'volume': 5}
        assert data == expected

    def test_end_timestamp_before(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        end_timestamp='2012-09-25T09:54:00')
        expected = {'volume': None}
        assert data == expected

    def test_start_end_timestamp(self):
        data = self.get('/resources/resource-id/meters/volume.size/volume/sum',
                        start_timestamp='2012-09-25T11:30:00',
                        end_timestamp='2012-09-25T11:32:00')
        expected = {'volume': 6}
        assert data == expected