# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Steven Berler <steven.berler@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 getting the sum project volume.
"""

import datetime

from oslo.config import cfg

from ceilometer.collector import meter
from ceilometer import counter

from .base import FunctionalTest
from ceilometer.tests.db import require_map_reduce


class TestSumProjectVolume(FunctionalTest):

    PATH = '/meters/volume.size/statistics'

    def setUp(self):
        super(TestSumProjectVolume, 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-%s' % i,
                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.metering_secret,
                                                   'source1',
                                                   )
            self.conn.record_metering_data(msg)

    def test_no_time_bounds(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            }])
        expected = 5 + 6 + 7
        self.assertEqual(data[0]['sum'], expected)
        self.assertEqual(data[0]['count'], 3)

    def test_start_timestamp(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'ge',
                                            'value': '2012-09-25T11:30:00',
                                            },
                                           ])
        expected = 6 + 7
        self.assertEqual(data[0]['sum'], expected)
        self.assertEqual(data[0]['count'], 2)

    def test_start_timestamp_after(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'ge',
                                            'value': '2012-09-25T12:34:00',
                                            },
                                           ])
        self.assertEqual(data, [])

    def test_end_timestamp(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'le',
                                            'value': '2012-09-25T11:30:00',
                                            },
                                           ])
        self.assertEqual(data[0]['sum'], 5)
        self.assertEqual(data[0]['count'], 1)

    def test_end_timestamp_before(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'le',
                                            'value': '2012-09-25T09:54:00',
                                            },
                                           ])
        self.assertEqual(data, [])

    def test_start_end_timestamp(self):
        data = self.get_json(self.PATH, q=[{'field': 'project_id',
                                            'value': 'project1',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'ge',
                                            'value': '2012-09-25T11:30:00',
                                            },
                                           {'field': 'timestamp',
                                            'op': 'le',
                                            'value': '2012-09-25T11:32:00',
                                            },
                                           ])
        self.assertEqual(data[0]['sum'], 6)
        self.assertEqual(data[0]['count'], 1)