# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#
#    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.

import os
import unittest

import mock

from tests.functional import utils


class TaskTestCase(unittest.TestCase):

    def _get_sample_task_config(self):
        return {
            "Dummy.dummy_random_fail_in_atomic": [
                {
                    "runner": {
                        "type": "constant",
                        "times": 100,
                        "concurrency": 5
                    }
                }
            ]
        }

    def test_status(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config()
        config = utils.TaskConfig(cfg)
        rally("task start --task %s" % config.filename)
        self.assertIn("finished", rally("task status"))

    def test_detailed(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config()
        config = utils.TaskConfig(cfg)
        rally("task start --task %s" % config.filename)
        detailed = rally("task detailed")
        self.assertIn("Dummy.dummy_random_fail_in_atomic", detailed)
        self.assertIn("dummy_fail_test (2)", detailed)
        detailed_iterations_data = rally("task detailed --iterations-data")
        self.assertIn("2. dummy_fail_test (2)", detailed_iterations_data)

    def test_results(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config()
        config = utils.TaskConfig(cfg)
        rally("task start --task %s" % config.filename)
        self.assertIn("result", rally("task results"))

    def test_report(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config()
        config = utils.TaskConfig(cfg)
        html_file = "/tmp/test_plot.html"
        rally("task start --task %s" % config.filename)
        if os.path.exists(html_file):
            os.remove(html_file)
        rally("task report --out %s" % html_file)
        self.assertTrue(os.path.exists(html_file))

    def test_delete(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config()
        config = utils.TaskConfig(cfg)
        rally("task start --task %s" % config.filename)
        self.assertIn("finished", rally("task status"))
        rally("task delete")
        self.assertNotIn("finishe", rally("task list"))

    # NOTE(oanufriev): Not implemented
    def test_abort(self):
        pass


class SLATestCase(unittest.TestCase):

    def _get_sample_task_config(self, max_seconds_per_iteration=4,
                                max_failure_percent=0):
        return {
            "KeystoneBasic.create_and_list_users": [
                {
                    "args": {
                        "name_length": 10
                    },
                    "runner": {
                        "type": "constant",
                        "times": 5,
                        "concurrency": 5
                    },
                    "sla": {
                        "max_seconds_per_iteration": max_seconds_per_iteration,
                        "max_failure_percent": max_failure_percent,
                    }
                }
            ]
        }

    def test_sla_fail(self):
        rally = utils.Rally()
        cfg = self._get_sample_task_config(max_seconds_per_iteration=0.001)
        config = utils.TaskConfig(cfg)
        rally("task start --task %s" % config.filename)
        self.assertRaises(utils.RallyCmdError, rally, "task sla_check")

    def test_sla_success(self):
        rally = utils.Rally()
        config = utils.TaskConfig(self._get_sample_task_config())
        rally("task start --task %s" % config.filename)
        rally("task sla_check")
        expected = [
                {"benchmark": "KeystoneBasic.create_and_list_users",
                 "criterion": "max_seconds_per_iteration",
                 "detail": mock.ANY,
                 "pos": 0, "status": "PASS"},
                {"benchmark": "KeystoneBasic.create_and_list_users",
                 "criterion": "max_failure_percent",
                 "detail": mock.ANY,
                 "pos": 0, "status": "PASS"},
        ]
        data = rally("task sla_check --json", getjson=True)
        self.assertEqual(expected, data)