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

import datetime
import testscenarios

from oslo.config import cfg

from ceilometer.publisher import rpc
from ceilometer import sample

from ceilometer.tests import api as tests_api
from ceilometer.tests import db as tests_db

load_tests = testscenarios.load_tests_apply_scenarios


class TestSumProjectVolume(tests_api.TestBase,
                           tests_db.MixinTestsWithBackendScenarios):

    def setUp(self):
        super(TestSumProjectVolume, self).setUp()

        for i in range(3):
            s = sample.Sample(
                '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.sample',
                                   },
                source='source1',
            )
            msg = rpc.meter_message_from_counter(
                s,
                cfg.CONF.publisher_rpc.metering_secret,
            )
            self.conn.record_metering_data(msg)

    def test_no_time_bounds(self):
        data = self.get('/projects/project1/meters/volume.size/volume/sum')
        expected = {'volume': 5 + 6 + 7}
        assert data == expected

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

    def test_no_time_bounds_wrong_tenant(self):
        resp = self.get('/projects/project1/meters/volume.size/volume/sum',
                        headers={"X-Roles": "Member",
                                 "X-Project-Id": "???"})
        self.assertEqual(resp.status_code, 404)

    def test_start_timestamp(self):
        data = self.get('/projects/project1/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('/projects/project1/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('/projects/project1/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('/projects/project1/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('/projects/project1/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