import pytest
import mock
import os
import json
from func.driver import Driver


class TestClass:
    @pytest.mark.parametrize("test_input, expected", [
        (["iperf",
          [('host', ['10.20.0.13', '10.20.0.15'])],
          "iperf_bm.yaml",
          [('duration', 20), ('protocol', 'tcp'), ('bandwidthGbps', 0)],
          [("10.20.0.13", [None]), ("10.20.0.15", [None])],
          {'http_proxy': 'http://10.20.0.1:8118',
           'https_proxy': 'http://10.20.0.1:8118',
           'no_proxy': 'localhost,127.0.0.1,10.20.*,192.168.*'},
          'fuel'],
         {'Dest_dir': 'results',
          'ip1': '',
          'ip2': '',
          'installer': 'fuel',
          'workingdir': '/home',
          'fname': 'iperf_bm.yaml',
          'username': 'root',
          'http_proxy': 'http://10.20.0.1:8118',
          'https_proxy': 'http://10.20.0.1:8118',
          'no_proxy': 'localhost,127.0.0.1,10.20.*,192.168.*',
          'duration': 20,
          'protocol': 'tcp',
          'bandwidthGbps': 0,
          "role": "host"}),
        (["iperf",
          [('1-server', ['10.20.0.13']), ('2-host', ['10.20.0.15'])],
          "iperf_vm.yaml",
          [('duration', 20), ('protocol', 'tcp'), ('bandwidthGbps', 0)],
          [("10.20.0.13", [None]), ("10.20.0.15", [None])],
          {},
          'joid'],
         {'Dest_dir': 'results',
          'ip1': '10.20.0.13',
          'ip2': '',
          'installer': 'joid',
          "privateip1": "NONE",
          'workingdir': '/home',
          'fname': 'iperf_vm.yaml',
          'username': 'ubuntu',
          'duration': 20,
          'protocol': 'tcp',
          'bandwidthGbps': 0,
          "role": "2-host"})
    ])
    @mock.patch('func.driver.os.system')
    def test_driver_success(self, mock_system, test_input, expected):
        mock_system.return_value = True
        k = mock.patch.dict(os.environ, {'INSTALLER_TYPE': test_input[6], 'PWD': '/home'})
        k.start()
        dri = Driver()
        dri.drive_bench(test_input[0], test_input[1], test_input[2], test_input[3], test_input[4], test_input[5])
        call = mock_system.call_args
        k.stop()
        call_args, call_kwargs = call
        real_call = call_args[0].split('extra-vars \'')[1]
        real_call = real_call[0: len(real_call) - 1]
        assert json.loads(real_call) == json.loads(json.dumps(expected))