#!/usr/bin/env python

##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

# Unittest for yardstick.benchmark.core.task

import os
import mock
import unittest

from yardstick.benchmark.core import task


class TaskTestCase(unittest.TestCase):

    @mock.patch('yardstick.benchmark.core.task.Context')
    def test_parse_nodes_host_target_same_context(self, mock_context):
        nodes = {
            "host": "node1.LF",
            "target": "node2.LF"
        }
        scenario_cfg = {"nodes": nodes}
        server_info = {
           "ip": "10.20.0.3",
           "user": "root",
           "key_filename": "/root/.ssh/id_rsa"
        }
        mock_context.get_server.return_value = server_info
        context_cfg = task.parse_nodes_with_context(scenario_cfg)

        self.assertEqual(context_cfg["host"], server_info)
        self.assertEqual(context_cfg["target"], server_info)

    @mock.patch('yardstick.benchmark.core.task.Context')
    @mock.patch('yardstick.benchmark.core.task.base_runner')
    def test_run(self, mock_base_runner, mock_ctx):
        scenario = {
            'host': 'athena.demo',
            'target': 'ares.demo',
            'runner': {
                'duration': 60,
                'interval': 1,
                'type': 'Duration'
             },
            'type': 'Ping'
        }

        t = task.Task()
        runner = mock.Mock()
        runner.join.return_value = 0
        mock_base_runner.Runner.get.return_value = runner
        t._run([scenario], False, "yardstick.out")
        self.assertTrue(runner.run.called)

    @mock.patch('yardstick.benchmark.core.task.os')
    def test_check_precondition(self, mock_os):
        cfg = {
            'precondition': {
                'installer_type': 'compass',
                'deploy_scenarios': 'os-nosdn',
                'pod_name': 'huawei-pod1'
            }
        }

        t = task.TaskParser('/opt')
        mock_os.environ.get.side_effect = ['compass',
                                           'os-nosdn',
                                           'huawei-pod1']
        result = t._check_precondition(cfg)
        self.assertTrue(result)

    @mock.patch('yardstick.benchmark.core.task.os.environ')
    def test_parse_suite_no_constraint_no_args(self, mock_environ):
        SAMPLE_SCENARIO_PATH = "no_constraint_no_args_scenario_sample.yaml"
        t = task.TaskParser(self._get_file_abspath(SAMPLE_SCENARIO_PATH))
        mock_environ.get.side_effect = ['huawei-pod1', 'compass']
        task_files, task_args, task_args_fnames = t.parse_suite()
        print ("files=%s, args=%s, fnames=%s" % (task_files, task_args,
               task_args_fnames))
        self.assertEqual(task_files[0],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc037.yaml')
        self.assertEqual(task_files[1],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc043.yaml')
        self.assertEqual(task_args[0], None)
        self.assertEqual(task_args[1], None)
        self.assertEqual(task_args_fnames[0], None)
        self.assertEqual(task_args_fnames[1], None)

    @mock.patch('yardstick.benchmark.core.task.os.environ')
    def test_parse_suite_no_constraint_with_args(self, mock_environ):
        SAMPLE_SCENARIO_PATH = "no_constraint_with_args_scenario_sample.yaml"
        t = task.TaskParser(self._get_file_abspath(SAMPLE_SCENARIO_PATH))
        mock_environ.get.side_effect = ['huawei-pod1', 'compass']
        task_files, task_args, task_args_fnames = t.parse_suite()
        print ("files=%s, args=%s, fnames=%s" % (task_files, task_args,
               task_args_fnames))
        self.assertEqual(task_files[0],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc037.yaml')
        self.assertEqual(task_files[1],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc043.yaml')
        self.assertEqual(task_args[0], None)
        self.assertEqual(task_args[1],
                         '{"host": "node1.LF","target": "node2.LF"}')
        self.assertEqual(task_args_fnames[0], None)
        self.assertEqual(task_args_fnames[1], None)

    @mock.patch('yardstick.benchmark.core.task.os.environ')
    def test_parse_suite_with_constraint_no_args(self, mock_environ):
        SAMPLE_SCENARIO_PATH = "with_constraint_no_args_scenario_sample.yaml"
        t = task.TaskParser(self._get_file_abspath(SAMPLE_SCENARIO_PATH))
        mock_environ.get.side_effect = ['huawei-pod1', 'compass']
        task_files, task_args, task_args_fnames = t.parse_suite()
        print ("files=%s, args=%s, fnames=%s" % (task_files, task_args,
               task_args_fnames))
        self.assertEqual(task_files[0],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc037.yaml')
        self.assertEqual(task_files[1],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc043.yaml')
        self.assertEqual(task_args[0], None)
        self.assertEqual(task_args[1], None)
        self.assertEqual(task_args_fnames[0], None)
        self.assertEqual(task_args_fnames[1], None)

    @mock.patch('yardstick.benchmark.core.task.os.environ')
    def test_parse_suite_with_constraint_with_args(self, mock_environ):
        SAMPLE_SCENARIO_PATH = "with_constraint_with_args_scenario_sample.yaml"
        t = task.TaskParser(self._get_file_abspath(SAMPLE_SCENARIO_PATH))
        mock_environ.get.side_effect = ['huawei-pod1', 'compass']
        task_files, task_args, task_args_fnames = t.parse_suite()
        print ("files=%s, args=%s, fnames=%s" % (task_files, task_args,
               task_args_fnames))
        self.assertEqual(task_files[0],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc037.yaml')
        self.assertEqual(task_files[1],
                         'tests/opnfv/test_cases/opnfv_yardstick_tc043.yaml')
        self.assertEqual(task_args[0], None)
        self.assertEqual(task_args[1],
                         '{"host": "node1.LF","target": "node2.LF"}')
        self.assertEqual(task_args_fnames[0], None)
        self.assertEqual(task_args_fnames[1], None)

    def _get_file_abspath(self, filename):
        curr_path = os.path.dirname(os.path.abspath(__file__))
        file_path = os.path.join(curr_path, filename)
        return file_path


def main():
    unittest.main()


if __name__ == '__main__':
    main()