#
# Copyright (c) 2015, Arista Networks, Inc.
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#   this software without specific prior written permission.
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import sys
import os
import unittest

sys.path.append(os.path.join(os.path.dirname(__file__), '../lib'))

from testlib import get_fixture, function
from testlib import EapiConfigUnitTest

import pyeapi.api.ntp


class TestApiNtp(EapiConfigUnitTest):

    def __init__(self, *args, **kwargs):
        super(TestApiNtp, self).__init__(*args, **kwargs)
        self.instance = pyeapi.api.ntp.Ntp(None)
        self.config = open(get_fixture('running_config.text')).read()

    def test_instance(self):
        result = pyeapi.api.ntp.instance(None)
        self.assertIsInstance(result, pyeapi.api.ntp.Ntp)

    def test_get(self):
        result = self.instance.get()
        ntp = {'servers': [{'1.2.3.4': 'prefer'},
                           {'10.20.30.40': None},
                           {'11.22.33.44': None},
                           {'123.33.22.11': 'prefer'},
                           {'123.44.55.66': None},
                           {'joe': None}],
               'source_interface': 'Loopback1'}
        keys = ['source_interface', 'servers']
        self.assertEqual(sorted(keys), sorted(result.keys()))
        self.assertEqual(ntp['source_interface'], result['source_interface'])
        self.assertIsNotNone(result['servers'])

    def test_create(self):
        cmd = 'ntp source Ethernet2'
        func = function('create', 'Ethernet2')
        self.eapi_positive_config_test(func, cmd)

    def test_delete(self):
        cmd = 'no ntp source'
        func = function('delete')
        self.eapi_positive_config_test(func, cmd)

    def test_default(self):
        cmd = 'default ntp source'
        func = function('default')
        self.eapi_positive_config_test(func, cmd)

    def test_set_source_interface(self):
        cmd = 'ntp source Vlan50'
        func = function('set_source_interface', 'Vlan50')
        self.eapi_positive_config_test(func, cmd)

    def test_add_server(self):
        cmd = 'ntp server 1.1.1.1'
        func = function('add_server', '1.1.1.1')
        self.eapi_positive_config_test(func, cmd)

    def test_add_server_prefer(self):
        cmd = 'ntp server 1.1.1.1 prefer'
        func = function('add_server', '1.1.1.1', prefer=True)
        self.eapi_positive_config_test(func, cmd)

    def test_add_server_invalid(self):
        func = function('add_server', '', prefer=True)
        self.eapi_exception_config_test(func, ValueError)

        func = function('add_server', ' ', prefer=True)
        self.eapi_exception_config_test(func, ValueError)

    def test_remove_server(self):
        cmd = 'no ntp server 1.1.1.1'
        func = function('remove_server', '1.1.1.1')
        self.eapi_positive_config_test(func, cmd)

    def test_remove_all_servers(self):
        cmd = 'no ntp'
        func = function('remove_all_servers')
        self.eapi_positive_config_test(func, cmd)


if __name__ == '__main__':
    unittest.main()