#!/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.contexts.node

import os
import unittest

from yardstick.benchmark.contexts import node


class NodeContextTestCase(unittest.TestCase):

    NODES_SAMPLE = "nodes_sample.yaml"
    NODES_DUPLICATE_SAMPLE = "nodes_duplicate_sample.yaml"
    def setUp(self):
        self.test_context = node.NodeContext()

    def test_construct(self):

        self.assertIsNone(self.test_context.name)
        self.assertIsNone(self.test_context.file_path)
        self.assertEqual(self.test_context.nodes, [])
        self.assertEqual(self.test_context.controllers, [])
        self.assertEqual(self.test_context.computes, [])
        self.assertEqual(self.test_context.baremetals, [])

    def test_unsuccessful_init(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath("error_file")
        }

        self.assertRaises(SystemExit, self.test_context.init, attrs)

    def test_successful_init(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath(self.NODES_SAMPLE)
        }

        self.test_context.init(attrs)

        self.assertEqual(self.test_context.name, "foo")
        self.assertEqual(len(self.test_context.nodes), 4)
        self.assertEqual(len(self.test_context.controllers), 2)
        self.assertEqual(len(self.test_context.computes), 1)
        self.assertEqual(self.test_context.computes[0]["name"], "node3")
        self.assertEqual(len(self.test_context.baremetals), 1)
        self.assertEqual(self.test_context.baremetals[0]["name"], "node4")

    def test__get_server_with_dic_attr_name(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath(self.NODES_SAMPLE)
        }

        self.test_context.init(attrs)

        attr_name = {'name': 'foo.bar'}
        result = self.test_context._get_server(attr_name)

        self.assertEqual(result, None)

    def test__get_server_not_found(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath(self.NODES_SAMPLE)
        }

        self.test_context.init(attrs)

        attr_name = 'bar.foo'
        result = self.test_context._get_server(attr_name)

        self.assertEqual(result, None)

    def test__get_server_duplicate(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath(self.NODES_DUPLICATE_SAMPLE)
        }

        self.test_context.init(attrs)

        attr_name = 'node1.foo'

        self.assertRaises(SystemExit, self.test_context._get_server, attr_name)

    def test__get_server_found(self):

        attrs = {
            'name': 'foo',
            'file': self._get_file_abspath(self.NODES_SAMPLE)
        }

        self.test_context.init(attrs)

        attr_name = 'node1.foo'
        result = self.test_context._get_server(attr_name)

        self.assertEqual(result['ip'], '10.229.47.137')
        self.assertEqual(result['name'], 'node1.foo')
        self.assertEqual(result['user'], 'root')
        self.assertEqual(result['key_filename'], '/root/.yardstick_key')

    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