#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Unittest for suite_runner."""

from __future__ import print_function

import json
import os.path
import time

import unittest
import unittest.mock as mock

import suite_runner
import label

from benchmark import Benchmark

from cros_utils import command_executer
from cros_utils import logger
from cros_utils.device_setup_utils import DutWrapper
from machine_manager import MockCrosMachine


class SuiteRunnerTest(unittest.TestCase):
  """Class of SuiteRunner test."""
  real_logger = logger.GetLogger()

  mock_json = mock.Mock(spec=json)
  mock_cmd_exec = mock.Mock(spec=command_executer.CommandExecuter)
  mock_cmd_term = mock.Mock(spec=command_executer.CommandTerminator)
  mock_logger = mock.Mock(spec=logger.Logger)
  mock_label = label.MockLabel('lumpy', 'build', 'lumpy_chromeos_image', '', '',
                               '/tmp/chromeos', 'lumpy',
                               ['lumpy1.cros', 'lumpy.cros2'], '', '', False,
                               'average', 'gcc', False, '')
  telemetry_crosperf_bench = Benchmark(
      'b1_test',  # name
      'octane',  # test_name
      '',  # test_args
      3,  # iterations
      False,  # rm_chroot_tmp
      'record -e cycles',  # perf_args
      'telemetry_Crosperf',  # suite
      True)  # show_all_results

  test_that_bench = Benchmark(
      'b2_test',  # name
      'octane',  # test_name
      '',  # test_args
      3,  # iterations
      False,  # rm_chroot_tmp
      'record -e cycles')  # perf_args

  def __init__(self, *args, **kwargs):
    super(SuiteRunnerTest, self).__init__(*args, **kwargs)
    self.call_test_that_run = False
    self.skylab_run_args = []
    self.test_that_args = []
    self.telemetry_run_args = []
    self.telemetry_crosperf_args = []
    self.call_skylab_run = False
    self.call_telemetry_crosperf_run = False

  def setUp(self):
    self.runner = suite_runner.SuiteRunner(
        {}, self.mock_logger, 'verbose', self.mock_cmd_exec, self.mock_cmd_term)

  def test_get_profiler_args(self):
    input_str = ("--profiler=custom_perf --profiler_args='perf_options"
                 '="record -a -e cycles,instructions"\'')
    output_str = ("profiler=custom_perf profiler_args='record -a -e "
                  "cycles,instructions'")
    res = suite_runner.GetProfilerArgs(input_str)
    self.assertEqual(res, output_str)

  def test_run(self):

    def reset():
      self.call_test_that_run = False
      self.call_skylab_run = False
      self.call_telemetry_crosperf_run = False
      self.skylab_run_args = []
      self.test_that_args = []
      self.telemetry_run_args = []
      self.telemetry_crosperf_args = []

    def FakeSkylabRun(test_label, benchmark, test_args, profiler_args):
      self.skylab_run_args = [test_label, benchmark, test_args, profiler_args]
      self.call_skylab_run = True
      return 'Ran FakeSkylabRun'

    def FakeTelemetryCrosperfRun(machine, test_label, benchmark, test_args,
                                 profiler_args):
      self.telemetry_crosperf_args = [
          machine, test_label, benchmark, test_args, profiler_args
      ]
      self.call_telemetry_crosperf_run = True
      return 'Ran FakeTelemetryCrosperfRun'

    def FakeTestThatRun(machine, test_label, benchmark, test_args,
                        profiler_args):
      self.test_that_args = [
          machine, test_label, benchmark, test_args, profiler_args
      ]
      self.call_test_that_run = True
      return 'Ran FakeTestThatRun'

    def FakeRunner(command, ignore_status=False):
      # pylint fix for unused variable.
      del command, ignore_status
      return 0, '', ''

    self.runner.Skylab_Run = FakeSkylabRun
    self.runner.Telemetry_Crosperf_Run = FakeTelemetryCrosperfRun
    self.runner.Test_That_Run = FakeTestThatRun
    DutWrapper.SetupDevice = mock.Mock(return_value=0)
    DutWrapper.RunCommandOnDut = mock.Mock(return_value=FakeRunner)

    self.runner.dut_config['enable_aslr'] = False
    self.runner.dut_config['cooldown_time'] = 0
    self.runner.dut_config['governor'] = 'fake_governor'
    self.runner.dut_config['cpu_freq_pct'] = 65
    self.runner.dut_config['intel_pstate'] = 'no_hwp'
    machine = 'fake_machine'
    cros_machine = MockCrosMachine(machine, self.mock_label.chromeos_root,
                                   self.mock_logger)
    test_args = ''
    profiler_args = ''

    reset()
    self.mock_label.skylab = True
    self.runner.Run(cros_machine, self.mock_label, self.test_that_bench,
                    test_args, profiler_args)
    self.assertTrue(self.call_skylab_run)
    self.assertFalse(self.call_test_that_run)
    self.assertFalse(self.call_telemetry_crosperf_run)
    self.assertEqual(self.skylab_run_args,
                     [self.mock_label, self.test_that_bench, '', ''])
    DutWrapper.SetupDevice.assert_called_once()
    self.mock_label.skylab = False

    reset()
    self.runner.Run(cros_machine, self.mock_label, self.test_that_bench,
                    test_args, profiler_args)
    self.assertTrue(self.call_test_that_run)
    self.assertFalse(self.call_telemetry_crosperf_run)
    self.assertEqual(
        self.test_that_args,
        ['fake_machine', self.mock_label, self.test_that_bench, '', ''])

    reset()
    self.runner.Run(cros_machine, self.mock_label,
                    self.telemetry_crosperf_bench, test_args, profiler_args)
    self.assertFalse(self.call_test_that_run)
    self.assertTrue(self.call_telemetry_crosperf_run)
    self.assertEqual(self.telemetry_crosperf_args, [
        'fake_machine', self.mock_label, self.telemetry_crosperf_bench, '', ''
    ])

  @mock.patch.object(command_executer.CommandExecuter, 'CrosRunCommand')
  @mock.patch.object(command_executer.CommandExecuter,
                     'ChrootRunCommandWOutput')
  def test_test_that_run(self, mock_chroot_runcmd, mock_cros_runcmd):

    def FakeLogMsg(fd, termfd, msg, flush=True):
      if fd or termfd or msg or flush:
        pass

    save_log_msg = self.real_logger.LogMsg
    self.real_logger.LogMsg = FakeLogMsg
    self.runner.logger = self.real_logger

    raised_exception = False
    try:
      self.runner.Test_That_Run('lumpy1.cros', self.mock_label,
                                self.test_that_bench, '', 'record -a -e cycles')
    except SystemExit:
      raised_exception = True
    self.assertTrue(raised_exception)

    mock_chroot_runcmd.return_value = 0
    self.mock_cmd_exec.ChrootRunCommandWOutput = mock_chroot_runcmd
    self.mock_cmd_exec.CrosRunCommand = mock_cros_runcmd
    res = self.runner.Test_That_Run('lumpy1.cros', self.mock_label,
                                    self.test_that_bench, '--iterations=2', '')
    self.assertEqual(mock_cros_runcmd.call_count, 1)
    self.assertEqual(mock_chroot_runcmd.call_count, 1)
    self.assertEqual(res, 0)
    self.assertEqual(mock_cros_runcmd.call_args_list[0][0],
                     ('rm -rf /usr/local/autotest/results/*',))
    args_list = mock_chroot_runcmd.call_args_list[0][0]
    args_dict = mock_chroot_runcmd.call_args_list[0][1]
    self.assertEqual(len(args_list), 2)
    self.assertEqual(args_list[0], '/tmp/chromeos')
    self.assertEqual(args_list[1], ('/usr/bin/test_that  '
                                    '--fast --board=lumpy '
                                    '--iterations=2 lumpy1.cros octane'))
    self.assertEqual(args_dict['command_terminator'], self.mock_cmd_term)
    self.real_logger.LogMsg = save_log_msg

  @mock.patch.object(os.path, 'isdir')
  @mock.patch.object(command_executer.CommandExecuter,
                     'ChrootRunCommandWOutput')
  def test_telemetry_crosperf_run(self, mock_chroot_runcmd, mock_isdir):

    mock_isdir.return_value = True
    mock_chroot_runcmd.return_value = 0
    self.mock_cmd_exec.ChrootRunCommandWOutput = mock_chroot_runcmd
    profiler_args = ("--profiler=custom_perf --profiler_args='perf_options"
                     '="record -a -e cycles,instructions"\'')
    self.runner.dut_config['turbostat'] = True
    self.runner.dut_config['top_interval'] = 3
    res = self.runner.Telemetry_Crosperf_Run('lumpy1.cros', self.mock_label,
                                             self.telemetry_crosperf_bench, '',
                                             profiler_args)
    self.assertEqual(res, 0)
    self.assertEqual(mock_chroot_runcmd.call_count, 1)
    args_list = mock_chroot_runcmd.call_args_list[0][0]
    args_dict = mock_chroot_runcmd.call_args_list[0][1]
    self.assertEqual(args_list[0], '/tmp/chromeos')
    self.assertEqual(
        args_list[1],
        ('/usr/bin/test_that --autotest_dir '
         '/mnt/host/source/src/third_party/autotest/files --fast '
         "--board=lumpy --args=' run_local=False test=octane "
         'dut_config=\'"\'"\'{"turbostat": true, "top_interval": 3}\'"\'"\' '
         'profiler=custom_perf profiler_args=\'"\'"\'record -a -e '
         'cycles,instructions\'"\'"\'\' lumpy1.cros telemetry_Crosperf'))
    self.assertEqual(args_dict['cros_sdk_options'],
                     ('--no-ns-pid --chrome_root= '
                      '--chrome_root_mount=/tmp/chrome_root '
                      'FEATURES="-usersandbox" CHROME_ROOT=/tmp/chrome_root'))
    self.assertEqual(args_dict['command_terminator'], self.mock_cmd_term)
    self.assertEqual(len(args_dict), 2)

  @mock.patch.object(command_executer.CommandExecuter, 'RunCommandWOutput')
  @mock.patch.object(json, 'loads')
  def test_skylab_run_client(self, mock_json_loads, mock_runcmd):

    def FakeDownloadResult(l, task_id):
      if l and task_id:
        self.assertEqual(task_id, '12345')
        return 0

    mock_runcmd.return_value = (
        0,
        'Created Swarming task https://swarming/task/b12345',
        '',
    )
    self.mock_cmd_exec.RunCommandWOutput = mock_runcmd

    mock_json_loads.return_value = {
        'child-results': [{
            'success': True,
            'task-run-url': 'https://swarming/task?id=12345'
        }]
    }
    self.mock_json.loads = mock_json_loads

    self.mock_label.skylab = True
    self.runner.DownloadResult = FakeDownloadResult
    res = self.runner.Skylab_Run(self.mock_label, self.test_that_bench, '', '')
    ret_tup = (0, '\nResults placed in tmp/swarming-12345\n', '')
    self.assertEqual(res, ret_tup)
    self.assertEqual(mock_runcmd.call_count, 2)

    args_list = mock_runcmd.call_args_list[0][0]
    args_dict = mock_runcmd.call_args_list[0][1]
    self.assertEqual(args_list[0],
                     ('/usr/local/bin/skylab create-test '
                      '-dim dut_name:lumpy1 -dim dut_name:lumpy.cros2 '
                      '-board=lumpy -image=build '
                      '-pool=toolchain octane'))
    self.assertEqual(args_dict['command_terminator'], self.mock_cmd_term)

    args_list = mock_runcmd.call_args_list[1][0]
    self.assertEqual(args_list[0], ('skylab wait-task 12345'))
    self.assertEqual(args_dict['command_terminator'], self.mock_cmd_term)

  @mock.patch.object(command_executer.CommandExecuter, 'RunCommandWOutput')
  @mock.patch.object(json, 'loads')
  def test_skylab_run_telemetry_Crosperf(self, mock_json_loads, mock_runcmd):

    def FakeDownloadResult(l, task_id):
      if l and task_id:
        self.assertEqual(task_id, '12345')
        return None

    mock_runcmd.return_value = (
        0,
        'Created Swarming task https://swarming/task/b12345',
        '',
    )
    self.mock_cmd_exec.RunCommandWOutput = mock_runcmd

    mock_json_loads.return_value = {
        'child-results': [{
            'success': True,
            'task-run-url': 'https://swarming/task?id=12345'
        }]
    }
    self.mock_json.loads = mock_json_loads

    self.mock_label.skylab = True
    self.runner.DownloadResult = FakeDownloadResult
    self.runner.Skylab_Run(self.mock_label, self.telemetry_crosperf_bench, '',
                           '')
    args_list = mock_runcmd.call_args_list[0][0]
    self.assertEqual(
        args_list[0],
        ('/usr/local/bin/skylab create-test '
         '-dim dut_name:lumpy1 -dim dut_name:lumpy.cros2 '
         '-board=lumpy -image=build '
         "-pool=toolchain -test-args='run_local=False test=octane' "
         'telemetry_Crosperf'))

  @mock.patch.object(time, 'sleep')
  @mock.patch.object(command_executer.CommandExecuter, 'RunCommand')
  def test_download_result(self, mock_runcmd, mock_sleep):
    mock_runcmd.return_value = 0
    mock_sleep.return_value = 0
    self.mock_cmd_exec.RunCommand = mock_runcmd

    self.runner.DownloadResult(self.mock_label, '12345')

    self.assertEqual(mock_runcmd.call_count, 2)
    cmd = mock_runcmd.call_args_list[0][0][0]
    self.assertEqual(cmd,
                     ('/tmp/chromeos/src/chromium/depot_tools/gsutil.py ls '
                      'gs://chromeos-autotest-results/swarming-12345/'
                      'autoserv_test'))
    cmd = mock_runcmd.call_args_list[1][0][0]
    self.assertEqual(cmd,
                     ('/tmp/chromeos/src/chromium/depot_tools/gsutil.py -mq '
                      'cp -r gs://chromeos-autotest-results/swarming-12345 '
                      '/tmp/chromeos/chroot/tmp'))


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