# Copyright (c) 2012 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.

"""Unittests for commands."""

from __future__ import print_function

import base64
import datetime as dt
import json
import mock
import os
from StringIO import StringIO
from os.path import join as pathjoin
from os.path import abspath as abspath

from chromite.cbuildbot import commands
from chromite.cbuildbot import config_lib
from chromite.cbuildbot import constants
from chromite.cbuildbot import failures_lib
from chromite.cbuildbot import swarming_lib
from chromite.cbuildbot import topology
from chromite.lib import cros_build_lib
from chromite.lib import cros_build_lib_unittest
from chromite.lib import cros_test_lib
from chromite.lib import gob_util
from chromite.lib import osutils
from chromite.lib import partial_mock
from chromite.lib import path_util
from chromite.lib import portage_util
from chromite.scripts import pushimage


site_config = config_lib.GetConfig()


class RunBuildScriptTest(cros_test_lib.TempDirTestCase):
  """Test RunBuildScript in a variety of cases."""

  def _assertRunBuildScript(self, in_chroot=False, error=None, raises=None,
                            **kwargs):
    """Test the RunBuildScript function.

    Args:
      in_chroot: Whether to enter the chroot or not.
      error: error result message to simulate.
      raises: If the command should fail, the exception to be raised.
      kwargs: Extra kwargs passed to RunBuildScript.
    """
    # Write specified error message to status file.
    def WriteError(_cmd, extra_env=None, **_kwargs):
      if extra_env is not None and error is not None:
        status_file = extra_env[constants.PARALLEL_EMERGE_STATUS_FILE_ENVVAR]
        osutils.WriteFile(status_file, error)

    buildroot = self.tempdir
    osutils.SafeMakedirs(os.path.join(buildroot, '.repo'))
    if error is not None:
      osutils.SafeMakedirs(os.path.join(buildroot, 'chroot', 'tmp'))

    # Run the command, throwing an exception if it fails.
    with cros_build_lib_unittest.RunCommandMock() as m:
      cmd = ['example', 'command']
      sudo_cmd = ['sudo', '--'] + cmd
      returncode = 1 if raises else 0
      m.AddCmdResult(cmd, returncode=returncode, side_effect=WriteError)
      m.AddCmdResult(sudo_cmd, returncode=returncode, side_effect=WriteError)
      with mock.patch.object(path_util, 'ToChrootPath',
                             side_effect=lambda x: x):
        with cros_test_lib.LoggingCapturer():
          # If the script failed, the exception should be raised and printed.
          if raises:
            self.assertRaises(raises, commands.RunBuildScript, buildroot,
                              cmd, enter_chroot=in_chroot, **kwargs)
          else:
            commands.RunBuildScript(buildroot, cmd, enter_chroot=in_chroot,
                                    **kwargs)

  def testSuccessOutsideChroot(self):
    """Test executing a command outside the chroot."""
    self._assertRunBuildScript()

  def testSuccessInsideChrootWithoutTempdir(self):
    """Test executing a command inside a chroot without a tmp dir."""
    self._assertRunBuildScript(in_chroot=True)

  def testSuccessInsideChrootWithTempdir(self):
    """Test executing a command inside a chroot with a tmp dir."""
    self._assertRunBuildScript(in_chroot=True, error='')

  def testFailureOutsideChroot(self):
    """Test a command failure outside the chroot."""
    self._assertRunBuildScript(raises=failures_lib.BuildScriptFailure)

  def testFailureInsideChrootWithoutTempdir(self):
    """Test a command failure inside the chroot without a temp directory."""
    self._assertRunBuildScript(in_chroot=True,
                               raises=failures_lib.BuildScriptFailure)

  def testFailureInsideChrootWithTempdir(self):
    """Test a command failure inside the chroot with a temp directory."""
    self._assertRunBuildScript(in_chroot=True, error='',
                               raises=failures_lib.BuildScriptFailure)

  def testPackageBuildFailure(self):
    """Test detecting a package build failure."""
    self._assertRunBuildScript(in_chroot=True, error=constants.CHROME_CP,
                               raises=failures_lib.PackageBuildFailure)

  def testSuccessWithSudo(self):
    """Test a command run with sudo."""
    self._assertRunBuildScript(in_chroot=False, sudo=True)
    self._assertRunBuildScript(in_chroot=True, sudo=True)


class RunTestSuiteTest(cros_build_lib_unittest.RunCommandTempDirTestCase):
  """Test RunTestSuite functionality."""

  TEST_BOARD = 'x86-generic'
  BUILD_ROOT = '/fake/root'

  def _RunTestSuite(self, test_type):
    commands.RunTestSuite(self.BUILD_ROOT, self.TEST_BOARD, self.tempdir,
                          '/tmp/taco', archive_dir='/fake/root',
                          whitelist_chrome_crashes=False,
                          test_type=test_type)

  def testFull(self):
    """Test running FULL config."""
    self._RunTestSuite(constants.FULL_AU_TEST_TYPE)
    self.assertCommandContains(['--quick'], expected=False)
    self.assertCommandContains(['--only_verify'], expected=False)

  def testSimple(self):
    """Test SIMPLE config."""
    self._RunTestSuite(constants.SIMPLE_AU_TEST_TYPE)
    self.assertCommandContains(['--quick_update'])

  def testSmoke(self):
    """Test SMOKE config."""
    self._RunTestSuite(constants.SMOKE_SUITE_TEST_TYPE)
    self.assertCommandContains(['--only_verify'])

  def testGceVmTestType(self):
    """Test GCE_VM_TEST_TYPE."""
    self._RunTestSuite(constants.GCE_VM_TEST_TYPE)
    self.assertCommandContains(['--only_verify'])
    self.assertCommandContains(['--type=gce'])
    self.assertCommandContains(['--suite=gce-smoke'])


class ChromeSDKTest(cros_build_lib_unittest.RunCommandTempDirTestCase):
  """Basic tests for ChromeSDK commands with RunCommand mocked out."""
  BOARD = 'daisy_foo'
  EXTRA_ARGS = ('--monkey', 'banana')
  EXTRA_ARGS2 = ('--donkey', 'kong')
  CHROME_SRC = 'chrome_src'
  CMD = ['bar', 'baz']
  CWD = 'fooey'

  def setUp(self):
    self.inst = commands.ChromeSDK(self.CWD, self.BOARD)

  def testRunCommand(self):
    """Test that running a command is possible."""
    self.inst.Run(self.CMD)
    self.assertCommandContains([self.BOARD] + self.CMD, cwd=self.CWD)

  def testRunCommandKwargs(self):
    """Exercise optional arguments."""
    custom_inst = commands.ChromeSDK(
        self.CWD, self.BOARD, extra_args=list(self.EXTRA_ARGS),
        chrome_src=self.CHROME_SRC, debug_log=True)
    custom_inst.Run(self.CMD, list(self.EXTRA_ARGS2))
    self.assertCommandContains(['debug', self.BOARD] + list(self.EXTRA_ARGS) +
                               list(self.EXTRA_ARGS2) + self.CMD, cwd=self.CWD)

  def testNinjaWithNaclUseFlag(self):
    """Test that running ninja is possible.

    Verify that nacl_helper is built when the 'nacl' USE flag is specified
    for chromeos-base/chromeos-chrome.
    """
    self.rc.AddCmdResult(partial_mock.In('qlist-%s' % self.BOARD),
                         output='%s ninja nacl gold' % constants.CHROME_CP)
    self.inst.Ninja(self.BOARD)
    self.assertCommandContains([self.BOARD], cwd=self.CWD)
    self.assertCommandContains(['nacl_helper'])

  def testNinjaWithoutNaclUseFlag(self):
    """Test that running ninja is possible.

    Verify that nacl_helper is not built when no 'nacl' USE flag is specified
    for chromeos-base/chromeos-chrome.
    """
    self.rc.AddCmdResult(partial_mock.In('qlist-%s' % self.BOARD),
                         output='%s' % constants.CHROME_CP)
    self.inst.Ninja(self.BOARD)
    self.assertCommandContains([self.BOARD], cwd=self.CWD)
    self.assertCommandContains(['nacl_helper'], expected=False)


class HWLabCommandsTest(cros_build_lib_unittest.RunCommandTestCase,
                        cros_test_lib.OutputTestCase,
                        cros_test_lib.MockTempDirTestCase):
  """Test commands related to HWLab tests that are runing via swarming proxy."""

  # pylint: disable=protected-access
  JOB_ID_OUTPUT = '''
Autotest instance: cautotest
02-23-2015 [06:26:51] Submitted create_suite_job rpc
02-23-2015 [06:26:53] Created suite job: http://cautotest.corp.google.com/afe/#tab_id=view_job&object_id=26960110
@@@STEP_LINK@Suite created@http://cautotest.corp.google.com/afe/#tab_id=view_job&object_id=26960110@@@
'''

  WAIT_RETRY_OUTPUT = '''
ERROR: Encountered swarming internal error
'''

  WAIT_OUTPUT = '''
The suite job has another 3:09:50.012887 till timeout.
The suite job has another 2:39:39.789250 till timeout.
'''
  JSON_DICT = '''
{"tests": {"test_1":{"status":"GOOD", "attributes": ["suite:test-suite",
                                                     "subsystem:light",
                                                     "subsystem:bluetooth"]},
           "test_2":{"status":"other", "attributes": ["suite:test-suite",
                                                      "subsystem:network"]}
}}
'''
  JSON_OUTPUT = ('%s%s%s' % (commands.JSON_DICT_START, JSON_DICT,
                             commands.JSON_DICT_END))
  SWARMING_TIMEOUT_DEFAULT = str(
      commands._DEFAULT_HWTEST_TIMEOUT_MINS * 60 +
      commands._SWARMING_ADDITIONAL_TIMEOUT)
  SWARMING_EXPIRATION = str(commands._SWARMING_EXPIRATION)


  def setUp(self):
    self._build = 'test-build'
    self._board = 'test-board'
    self._suite = 'test-suite'
    self._pool = 'test-pool'
    self._num = 42
    self._file_bugs = True
    self._wait_for_results = True
    self._priority = 'test-priority'
    self._timeout_mins = 23
    self._retry = False
    self._max_retries = 3
    self._minimum_duts = 2
    self._suite_min_duts = 2
    self._subsystems = {'light', 'network'}
    self.create_cmd = None
    self.wait_cmd = None
    self.json_dump_cmd = None
    self.temp_json_path = os.path.join(self.tempdir, 'temp_summary.json')
    # Bot died
    self.retriable_swarming_code = 80
    self.internal_failure_exit_code = 1
    # A random code that's not retriable.
    self.swarming_code = 10
    topology.FetchTopologyFromCIDB(None)

  def RunHWTestSuite(self, *args, **kwargs):
    """Run the hardware test suite, printing logs to stdout."""
    kwargs.setdefault('debug', False)
    with cros_test_lib.LoggingCapturer() as logs:
      try:
        cmd_result = commands.RunHWTestSuite(self._build, self._suite,
                                             self._board, *args, **kwargs)
        return cmd_result
      finally:
        print(logs.messages)

  def SetCmdResults(self, create_return_code=0, wait_return_code=0,
                    dump_json_return_code=0, wait_retry=False, args=(),
                    swarming_timeout_secs=SWARMING_TIMEOUT_DEFAULT,
                    swarming_io_timeout_secs=SWARMING_TIMEOUT_DEFAULT,
                    swarming_hard_timeout_secs=SWARMING_TIMEOUT_DEFAULT,
                    swarming_expiration_secs=SWARMING_EXPIRATION):
    """Set the expected results from the specified commands.

    Args:
      create_return_code: Return code from create command.
      wait_return_code: Return code from wait command.
      dump_json_return_code: Return code from json_dump command.
      wait_retry: Boolean, if wait command should be retried.
      args: Additional args to pass to create and wait commands.
      swarming_timeout_secs: swarming client timeout.
      swarming_io_timeout_secs: swarming client io timeout.
      swarming_hard_timeout_secs: swarming client hard timeout.
      swarming_expiration_secs: swarming task expiration.
    """
    base_cmd = [swarming_lib._SWARMING_PROXY_CLIENT, 'run',
                '--swarming', topology.topology.get(
                    topology.SWARMING_PROXY_HOST_KEY),
                '--task-summary-json', self.temp_json_path,
                '--raw-cmd',
                '--task-name', 'test-build-test-suite',
                '--dimension', 'os', 'Ubuntu-14.04',
                '--dimension', 'pool', 'default',
                '--print-status-updates',
                '--timeout', swarming_timeout_secs,
                '--io-timeout', swarming_io_timeout_secs,
                '--hard-timeout', swarming_hard_timeout_secs,
                '--expiration', swarming_expiration_secs,
                '--', commands._RUN_SUITE_PATH,
                '--build', 'test-build', '--board', 'test-board']
    args = list(args)
    if '--subsystems' in args:
      i = [i for i, val in enumerate(args) if val == '--subsystems'][0]
      args[i] = '--suite_args'
      subsys_lst = ['subsystem:%s' % x for x in json.loads(args[i+1])]
      subsys_str = ' or '.join(subsys_lst)
      args[i+1] = "{'attr_filter': '(suite:test-suite) and (%s)'}" % subsys_str
      base_cmd = base_cmd + ['--suite_name', 'suite_attr_wrapper'] + args
    else:
      base_cmd = base_cmd + ['--suite_name', 'test-suite'] + args

    self.create_cmd = base_cmd + ['-c']
    self.wait_cmd = base_cmd + ['-m', '26960110']
    self.json_dump_cmd = base_cmd + ['--json_dump', '-m', '26960110']
    create_results = iter([
        self.rc.CmdResult(returncode=create_return_code,
                          output=self.JOB_ID_OUTPUT,
                          error=''),
    ])
    self.rc.AddCmdResult(
        self.create_cmd,
        side_effect=lambda *args, **kwargs: create_results.next(),
    )
    wait_results_list = []
    if wait_retry:
      r = self.rc.CmdResult(
          returncode=self.internal_failure_exit_code,
          output=self.WAIT_RETRY_OUTPUT,
          error='')
      wait_results_list.append(r)

    wait_results_list.append(
        self.rc.CmdResult(
            returncode=wait_return_code, output=self.WAIT_OUTPUT,
            error='')
    )
    wait_results = iter(wait_results_list)

    self.rc.AddCmdResult(
        self.wait_cmd,
        side_effect=lambda *args, **kwargs: wait_results.next(),
    )

    dump_json_results = iter([
        self.rc.CmdResult(returncode=dump_json_return_code,
                          output=self.JSON_OUTPUT,
                          error=''),
    ])
    self.rc.AddCmdResult(
        self.json_dump_cmd,
        side_effect=lambda *args, **kwargs: dump_json_results.next(),
    )
  def PatchJson(self, task_outputs):
    """Mock out the code that loads from json.

    Args:
      task_outputs: A list of tuple, the first element is the value of 'outputs'
                    field in the json dictionary, the second is a boolean
                    indicating whether there is an internal failure,
                    the third is a state code for the internal failure.
                    e.g.
                    ('some output', True, 80)
                    ('some output', False, None)
    """
    orig_func = commands._CreateSwarmingArgs

    def replacement(*args, **kargs):
      swarming_args = orig_func(*args, **kargs)
      swarming_args['temp_json_path'] = self.temp_json_path
      return swarming_args

    self.PatchObject(commands, '_CreateSwarmingArgs', side_effect=replacement)

    if task_outputs:
      return_values = []
      for s in task_outputs:
        j = {'shards':[{'name': 'fake_name', 'bot_id': 'chromeos-server990',
                        'created_ts': '2015-06-12 12:00:00',
                        'internal_failure': s[1],
                        'state': s[2],
                        'outputs': [s[0]]}]}
        return_values.append(j)
      return_values_iter = iter(return_values)
      self.PatchObject(swarming_lib.SwarmingCommandResult, 'LoadJsonSummary',
                       side_effect=lambda json_file: return_values_iter.next())
    else:
      self.PatchObject(swarming_lib.SwarmingCommandResult, 'LoadJsonSummary',
                       return_value=None)

  def testRunHWTestSuiteMinimal(self):
    """Test RunHWTestSuite without optional arguments."""
    self.SetCmdResults()
    # When run without optional arguments, wait and dump_json cmd will not run.
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])

    with self.OutputCapturer() as output:
      cmd_result = self.RunHWTestSuite()
    self.assertEqual(cmd_result, (None, None))
    self.assertCommandCalled(self.create_cmd, capture_output=True,
                             combine_stdout_stderr=True)
    self.assertIn(self.JOB_ID_OUTPUT, '\n'.join(output.GetStdoutLines()))

  def testRunHWTestSuiteMaximal(self):
    """Test RunHWTestSuite with all arguments."""
    swarming_timeout = str(self._timeout_mins * 60 +
                           commands._SWARMING_ADDITIONAL_TIMEOUT)
    self.SetCmdResults(
        args=[
            '--pool', 'test-pool', '--num', '42',
            '--file_bugs', 'True',
            '--priority', 'test-priority', '--timeout_mins', '23',
            '--retry', 'False', '--max_retries', '3', '--minimum_duts', '2',
            '--suite_min_duts', '2', '--subsystems', '["light", "network"]'
        ],
        swarming_timeout_secs=swarming_timeout,
        swarming_io_timeout_secs=swarming_timeout,
        swarming_hard_timeout_secs=swarming_timeout)

    self.PatchJson([(self.JOB_ID_OUTPUT, False, None),
                    (self.WAIT_OUTPUT, False, None),
                    (self.JSON_OUTPUT, False, None)])
    with self.OutputCapturer() as output:
      cmd_result = self.RunHWTestSuite(pool=self._pool, num=self._num,
                                       file_bugs=self._file_bugs,
                                       wait_for_results=self._wait_for_results,
                                       priority=self._priority,
                                       timeout_mins=self._timeout_mins,
                                       retry=self._retry,
                                       max_retries=self._max_retries,
                                       minimum_duts=self._minimum_duts,
                                       suite_min_duts=self._suite_min_duts,
                                       subsystems=self._subsystems)
    expect_result = json.loads(self.JSON_DICT)
    self.assertEqual(cmd_result, (None, expect_result))
    self.assertCommandCalled(self.create_cmd, capture_output=True,
                             combine_stdout_stderr=True)
    self.assertCommandCalled(self.wait_cmd, capture_output=True,
                             combine_stdout_stderr=True)
    self.assertCommandCalled(self.json_dump_cmd, capture_output=True,
                             combine_stdout_stderr=True)
    self.assertIn(self.WAIT_OUTPUT, '\n'.join(output.GetStdoutLines()))
    self.assertIn(self.JOB_ID_OUTPUT, '\n'.join(output.GetStdoutLines()))

  def testRunHWTestSuiteFailure(self):
    """Test RunHWTestSuite when ERROR is returned."""
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])
    self.rc.SetDefaultCmdResult(returncode=1, output=self.JOB_ID_OUTPUT)
    with self.OutputCapturer():
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise, failures_lib.TestFailure)

  def testRunHWTestSuiteTimedOut(self):
    """Test RunHWTestSuite when SUITE_TIMEOUT is returned."""
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])
    self.rc.SetDefaultCmdResult(returncode=4, output=self.JOB_ID_OUTPUT)
    with self.OutputCapturer():
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise, failures_lib.SuiteTimedOut)

  def testRunHWTestSuiteInfraFail(self):
    """Test RunHWTestSuite when INFRA_FAILURE is returned."""
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])
    self.rc.SetDefaultCmdResult(returncode=3, output=self.JOB_ID_OUTPUT)
    with self.OutputCapturer():
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise, failures_lib.TestLabFailure)

  def testRunHWTestBoardNotAvailable(self):
    """Test RunHWTestSuite when BOARD_NOT_AVAILABLE is returned."""
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])
    self.rc.SetDefaultCmdResult(returncode=5, output=self.JOB_ID_OUTPUT)
    with self.OutputCapturer():
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise, failures_lib.BoardNotAvailable)

  def testRunHWTestTestWarning(self):
    """Test RunHWTestSuite when WARNING is returned."""
    self.PatchJson([(self.JOB_ID_OUTPUT, False, None)])
    self.rc.SetDefaultCmdResult(returncode=2, output=self.JOB_ID_OUTPUT)
    with self.OutputCapturer():
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise, failures_lib.TestWarning)

  def testRunHWTestTestSwarmingClientNoSummaryFile(self):
    """Test RunHWTestSuite when no summary file is generated."""
    unknown_failure = 'Unknown failure'
    self.PatchJson(task_outputs=[])
    self.rc.SetDefaultCmdResult(returncode=1, output=unknown_failure)
    with self.OutputCapturer() as output:
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise,
                            failures_lib.SwarmingProxyFailure)
      self.assertIn(unknown_failure, '\n'.join(output.GetStdoutLines()))

  def testRunHWTestTestSwarmingClientInternalFailure(self):
    """Test RunHWTestSuite when swarming encounters internal failure."""
    unknown_failure = 'Unknown failure'
    self.PatchJson(
        task_outputs=[(self.JOB_ID_OUTPUT, True, self.swarming_code)])
    self.rc.SetDefaultCmdResult(returncode=1, output=unknown_failure)
    with self.OutputCapturer() as output:
      cmd_result = self.RunHWTestSuite()
      self.assertIsInstance(cmd_result.to_raise,
                            failures_lib.SwarmingProxyFailure)
      self.assertIn(unknown_failure, '\n'.join(output.GetStdoutLines()))
      self.assertIn('summary json content', '\n'.join(output.GetStdoutLines()))

  def testRunHWTestTestSwarmingClientWithRetires(self):
    """Test RunHWTestSuite with retries."""
    self.SetCmdResults(wait_retry=True)
    self.PatchJson(
        [(self.JOB_ID_OUTPUT, False, None),
         (self.WAIT_RETRY_OUTPUT, True, self.retriable_swarming_code),
         (self.WAIT_OUTPUT, False, None),
         (self.JSON_OUTPUT, False, None),
        ])
    with self.OutputCapturer() as output:
      self.RunHWTestSuite(wait_for_results=self._wait_for_results)
      self.assertCommandCalled(self.create_cmd, capture_output=True,
                               combine_stdout_stderr=True)
      self.assertCommandCalled(self.wait_cmd, capture_output=True,
                               combine_stdout_stderr=True)
      self.assertCommandCalled(self.json_dump_cmd, capture_output=True,
                               combine_stdout_stderr=True)
      self.assertIn(self.WAIT_RETRY_OUTPUT.strip(),
                    '\n'.join(output.GetStdoutLines()))
      self.assertIn(self.WAIT_OUTPUT, '\n'.join(output.GetStdoutLines()))
      self.assertIn(self.JOB_ID_OUTPUT, '\n'.join(output.GetStdoutLines()))

  def testGetRunSuiteArgsWithSubsystems(self):
    """Test _GetRunSuiteArgs when subsystems is specified."""
    result_1 = commands._GetRunSuiteArgs(build=self._build,
                                         suite=self._suite,
                                         board=self._board,
                                         subsystems=['light'])
    expected_1 = ['--build', self._build,
                  '--board', self._board,
                  '--suite_name', 'suite_attr_wrapper',
                  '--suite_args',
                  ("{'attr_filter': '(suite:%s) and (subsystem:light)'}" %
                   self._suite)]
    # Test with multiple subsystems.
    result_2 = commands._GetRunSuiteArgs(build=self._build,
                                         suite=self._suite,
                                         board=self._board,
                                         subsystems=['light', 'power'])
    expected_2 = ['--build', self._build,
                  '--board', self._board,
                  '--suite_name', 'suite_attr_wrapper',
                  '--suite_args',
                  ("{'attr_filter': '(suite:%s) and (subsystem:light or "
                   "subsystem:power)'}" % self._suite)]

    self.assertEqual(result_1, expected_1)
    self.assertEqual(result_2, expected_2)


class CBuildBotTest(cros_build_lib_unittest.RunCommandTempDirTestCase):
  """Test general cbuildbot command methods."""

  def setUp(self):
    self._board = 'test-board'
    self._buildroot = self.tempdir
    self._overlays = ['%s/src/third_party/chromiumos-overlay' % self._buildroot]
    self._chroot = os.path.join(self._buildroot, 'chroot')
    os.makedirs(os.path.join(self._buildroot, '.repo'))

  def testGenerateStackTraces(self):
    """Test if we can generate stack traces for minidumps."""
    os.makedirs(os.path.join(self._chroot, 'tmp'))
    dump_file = os.path.join(self._chroot, 'tmp', 'test.dmp')
    dump_file_dir, dump_file_name = os.path.split(dump_file)
    ret = [(dump_file_dir, [''], [dump_file_name])]
    with mock.patch('os.walk', return_value=ret):
      test_results_dir = os.path.join(self.tempdir, 'test_results')
      commands.GenerateStackTraces(self._buildroot, self._board,
                                   test_results_dir, self.tempdir, True)
      self.assertCommandContains(['minidump_stackwalk'])

  def testUprevAllPackages(self):
    """Test if we get None in revisions.pfq indicating Full Builds."""
    commands.UprevPackages(self._buildroot, [self._board], self._overlays)
    self.assertCommandContains(['--boards=%s' % self._board, 'commit'])

  def testVerifyBinpkgMissing(self):
    """Test case where binpkg is missing."""
    self.rc.AddCmdResult(
        partial_mock.ListRegex(r'emerge'),
        output='\n[ebuild] %s' % constants.CHROME_CP)
    self.assertRaises(
        commands.MissingBinpkg, commands.VerifyBinpkg,
        self._buildroot, self._board, constants.CHROME_CP, packages=())

  def testVerifyBinpkgPresent(self):
    """Test case where binpkg is present."""
    self.rc.AddCmdResult(
        partial_mock.ListRegex(r'emerge'),
        output='\n[binary] %s' % constants.CHROME_CP)
    commands.VerifyBinpkg(self._buildroot, self._board, constants.CHROME_CP,
                          packages=())

  def testVerifyChromeNotInstalled(self):
    """Test case where Chrome is not installed at all."""
    commands.VerifyBinpkg(self._buildroot, self._board, constants.CHROME_CP,
                          packages=())

  def testBuild(self, default=False, **kwargs):
    """Base case where Build is called with minimal options."""
    kwargs.setdefault('build_autotest', default)
    kwargs.setdefault('usepkg', default)
    kwargs.setdefault('chrome_binhost_only', default)
    kwargs.setdefault('skip_chroot_upgrade', default)
    commands.Build(buildroot=self._buildroot, board='x86-generic', **kwargs)
    self.assertCommandContains(['./build_packages'])

  def testGetFirmwareVersions(self):
    self.rc.SetDefaultCmdResult(output='''

flashrom(8): a273d7fd6663c665176159496bc014ff */build/nyan/usr/sbin/flashrom
             ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), statically linked, for GNU/Linux 2.6.16, BuildID[sha1]=61d8a9676e433414fb0e22fa819b55be86329e44, stripped


BIOS image:   4aba4c07a65b7bf82d72d8ed892f5dc5 */build/nyan/tmp/portage/chromeos-base/chromeos-firmware-nyan-0.0.1-r20/work/chromeos-firmware-nyan-0.0.1/.dist/nyan_fw_5771.10.0.tbz2/image.bin
BIOS version: Google_Nyan.5771.10.0
EC image:     7b6bb5035fa8101b41c954bce5250dae */build/nyan/tmp/portage/chromeos-base/chromeos-firmware-nyan-0.0.1-r20/work/chromeos-firmware-nyan-0.0.1/.dist/nyan_ec_5771.10.0.tbz2/ec.bin
EC version:   nyan_v1.1.1782-23f1337

Package Content:
d7124c9a2680ff57f1c7d6521ac5ef8c *./mosys
ad9520c70add670d8f2770a2a3c4115a *./gbb_utility
7b6bb5035fa8101b41c954bce5250dae *./ec.bin
a273d7fd6663c665176159496bc014ff *./flashrom
d149f6413749ca6a0edddd52926f95ca *./dump_fmap
5bfe13d9b7fef1dfd9d3dac185f94994 *./crossystem
3c3a99346d1ca1273cbcd86c104851ff *./shflags
4aba4c07a65b7bf82d72d8ed892f5dc5 *./bios.bin
2a484f3e107bf27a4d1068e03e74803c *./common.sh
995a97518f90541d37c3f57a336d37db *./vpd
b9270e726180af1ed59077d1ab2fc688 *./crosfw.sh
f6b0b80d5f2d9a2fb41ebb6e2cee7ad8 *./updater4.sh
4363fcfd6849b2ab1a7320b1c98a11f2 *./crosutil.sh
''')
    build_sbin = os.path.join(self._buildroot, constants.DEFAULT_CHROOT_DIR,
                              'build', self._board, 'usr', 'sbin')
    osutils.Touch(os.path.join(build_sbin, 'chromeos-firmwareupdate'),
                  makedirs=True)
    result = commands.GetFirmwareVersions(self._buildroot, self._board)
    versions = ('Google_Nyan.5771.10.0', 'nyan_v1.1.1782-23f1337')
    self.assertEquals(result, versions)

  def testBuildMaximum(self):
    """Base case where Build is called with all options (except extra_env)."""
    self.testBuild(default=True)

  def testBuildWithEnv(self):
    """Case where Build is called with a custom environment."""
    extra_env = {'A': 'Av', 'B': 'Bv'}
    self.testBuild(extra_env=extra_env)
    self.assertCommandContains(['./build_packages'], extra_env=extra_env)

  def testGenerateSymbols(self):
    """Test GenerateBreakpadSymbols Command."""
    commands.GenerateBreakpadSymbols(self.tempdir, self._board, False)
    self.assertCommandContains(['--board=%s' % self._board])

  def testUploadSymbolsMinimal(self):
    """Test uploading symbols for official builds"""
    commands.UploadSymbols('/buildroot', 'MyBoard')
    self.assertCommandContains(
        ['/buildroot/chromite/bin/upload_symbols', '--yes',
         '--root', '/buildroot/chroot',
         '--board', 'MyBoard'])

  def testUploadSymbolsMinimalNoneChromeOS(self):
    """Test uploading symbols for official builds"""
    commands.UploadSymbols(
        '/buildroot', breakpad_root='/breakpad', product_name='CoolProduct')
    self.assertCommandContains(
        ['/buildroot/chromite/bin/upload_symbols', '--yes',
         '--breakpad_root', '/breakpad',
         '--product_name', 'CoolProduct'])

  def testUploadSymbolsMaximal(self):
    """Test uploading symbols for official builds"""
    commands.UploadSymbols(
        '/buildroot', 'MyBoard', official=True, cnt=55,
        failed_list='/failed_list.txt', breakpad_root='/breakpad',
        product_name='CoolProduct')
    self.assertCommandContains(
        ['/buildroot/chromite/bin/upload_symbols', '--yes',
         '--root', '/buildroot/chroot',
         '--board', 'MyBoard',
         '--official_build',
         '--upload-limit', '55',
         '--failed-list', '/failed_list.txt',
         '--breakpad_root', '/breakpad',
         '--product_name', 'CoolProduct'])

  def testPushImages(self):
    """Test PushImages Command."""
    m = self.PatchObject(pushimage, 'PushImage')
    commands.PushImages(self._board, 'gs://foo/R34-1234.0.0', False, None)
    self.assertEqual(m.call_count, 1)

  def testBuildImage(self):
    """Test Basic BuildImage Command."""
    commands.BuildImage(self._buildroot, self._board, None)
    self.assertCommandContains(['./build_image'])

  def testGenerateAuZip(self):
    """Test Basic generate_au_zip Command."""
    with mock.patch.object(path_util, 'ToChrootPath',
                           side_effect=lambda x: x):
      commands.GenerateAuZip(self._buildroot, '/tmp/taco', None)
    self.assertCommandContains(['./build_library/generate_au_zip.py'])

  def testTestAuZip(self):
    """Test Basic generate_au_zip Command."""
    commands.TestAuZip(self._buildroot, '/tmp/taco', None)
    self.assertCommandContains(['./build_library/test_au_zip.py'])

  def testCompleteBuildImage(self):
    """Test Complete BuildImage Command."""
    images_to_build = ['bob', 'carol', 'ted', 'alice']
    commands.BuildImage(
        self._buildroot, self._board, images_to_build,
        rootfs_verification=False, extra_env={'LOVE': 'free'},
        disk_layout='2+2', version='1969')
    self.assertCommandContains(['./build_image'])

  def _TestChromeLKGM(self, chrome_revision):
    """Helper method for testing the GetChromeLKGM method."""
    chrome_lkgm = '3322.0.0'
    url = '%s/+/%s/%s?format=text' % (
        constants.CHROMIUM_SRC_PROJECT,
        chrome_revision or 'refs/heads/master',
        constants.PATH_TO_CHROME_LKGM)
    with mock.patch.object(
        gob_util, 'FetchUrl',
        return_value=StringIO(base64.b64encode(chrome_lkgm))) as patcher:
      self.assertEqual(chrome_lkgm, commands.GetChromeLKGM(chrome_revision))
      patcher.assert_called_with(site_config.params.EXTERNAL_GOB_HOST, url)

  def testChromeLKGM(self):
    """Verifies that we can get the chrome lkgm without a chrome revision."""
    self._TestChromeLKGM(None)

  def testChromeLKGMWithRevision(self):
    """Verifies that we can get the chrome lkgm with a chrome revision."""
    self._TestChromeLKGM('deadbeef' * 5)

  def testAbortHWTests(self):
    """Verifies that HWTests are aborted for a specific non-CQ config."""
    topology.FetchTopologyFromCIDB(None)
    commands.AbortHWTests('my_config', 'my_version', debug=False)
    self.assertCommandContains(['-i', 'my_config/my_version'])


class BuildTarballTests(cros_build_lib_unittest.RunCommandTempDirTestCase):
  """Tests related to building tarball artifacts."""

  def setUp(self):
    self._buildroot = os.path.join(self.tempdir, 'buildroot')
    os.makedirs(self._buildroot)
    self._board = 'test-board'
    self._cwd = os.path.abspath(
        os.path.join(self._buildroot, 'chroot', 'build', self._board,
                     constants.AUTOTEST_BUILD_PATH, '..'))
    self._tarball_dir = self.tempdir

  def testBuildAUTestTarball(self):
    """Tests that our call to generate an au test tarball is correct."""
    archive_url = 'gs://mytest/path/version'
    with mock.patch.object(commands, 'BuildTarball') as m:
      tarball_path = commands.BuildAUTestTarball(
          self._buildroot, self._board, self._tarball_dir, 'R26-3928.0.0',
          archive_url)
      m.assert_called_once_with(self._buildroot, ['autotest/au_control_files'],
                                os.path.join(self._tarball_dir,
                                             'au_control.tar.bz2'),
                                cwd=self._tarball_dir)

      self.assertEquals(os.path.join(self._tarball_dir, 'au_control.tar.bz2'),
                        tarball_path)

    # Full release test with partial args defined.
    self.assertCommandContains(['site_utils/autoupdate/full_release_test.py',
                                '--archive_url', archive_url, '3928.0.0',
                                self._board])

  def testBuildFullAutotestTarball(self):
    """Tests that our call to generate the full autotest tarball is correct."""
    with mock.patch.object(commands, 'BuildTarball') as m:
      m.return_value.returncode = 0
      commands.BuildFullAutotestTarball(self._buildroot, self._board,
                                        self._tarball_dir)
      m.assert_called_once_with(self._buildroot, ['autotest'],
                                os.path.join(self._tarball_dir,
                                             'autotest.tar.bz2'),
                                cwd=self._cwd, error_code_ok=True)

  def testBuildAutotestPackagesTarball(self):
    """Tests that generating the autotest packages tarball is correct."""
    with mock.patch.object(commands, 'BuildTarball') as m:
      commands.BuildAutotestPackagesTarball(self._buildroot, self._cwd,
                                            self._tarball_dir)
      m.assert_called_once_with(self._buildroot, ['autotest/packages'],
                                os.path.join(self._tarball_dir,
                                             'autotest_packages.tar'),
                                cwd=self._cwd, compressed=False)

  def testBuildAutotestControlFilesTarball(self):
    """Tests that generating the autotest control files tarball is correct."""
    control_file_list = ['autotest/client/site_tests/testA/control',
                         'autotest/server/site_tests/testB/control']
    with mock.patch.object(commands, 'FindFilesWithPattern') as find_mock:
      find_mock.return_value = control_file_list
      with mock.patch.object(commands, 'BuildTarball') as tar_mock:
        commands.BuildAutotestControlFilesTarball(self._buildroot, self._cwd,
                                                  self._tarball_dir)
        tar_mock.assert_called_once_with(self._buildroot, control_file_list,
                                         os.path.join(self._tarball_dir,
                                                      'control_files.tar'),
                                         cwd=self._cwd, compressed=False)

  def testBuildAutotestServerPackageTarball(self):
    """Tests that generating the autotest server package tarball is correct."""
    control_file_list = ['autotest/server/site_tests/testA/control',
                         'autotest/server/site_tests/testB/control']
    self.PatchObject(commands, 'FindFilesWithPattern',
                     return_value=control_file_list)
    tar_mock = self.PatchObject(commands, 'BuildTarball')
    commands.BuildAutotestServerPackageTarball(self._buildroot, self._cwd,
                                               self._tarball_dir)
    tar_mock.assert_called_once_with(
        self._buildroot, control_file_list,
        os.path.join(self._tarball_dir, 'autotest_server_package.tar.bz2'),
        cwd=self._cwd, error_code_ok=True)

  def testBuildStrippedPackagesArchive(self):
    """Test generation of stripped package tarball using globs."""
    package_globs = ['chromeos-base/chromeos-chrome', 'sys-kernel/*kernel*']
    self.PatchObject(
        portage_util, 'FindPackageNameMatches',
        side_effect=[
            [portage_util.SplitCPV('chromeos-base/chrome-1-r0')],
            [portage_util.SplitCPV('sys-kernel/kernel-1-r0'),
             portage_util.SplitCPV('sys-kernel/kernel-2-r0')]])
    # Drop "stripped packages".
    pkg_dir = pathjoin(self._buildroot, 'chroot', 'build', 'test-board',
                       'stripped-packages')
    osutils.Touch(pathjoin(pkg_dir, 'chromeos-base', 'chrome-1-r0.tbz2'),
                  makedirs=True)
    sys_kernel = pathjoin(pkg_dir, 'sys-kernel')
    osutils.Touch(pathjoin(sys_kernel, 'kernel-1-r0.tbz2'), makedirs=True)
    osutils.Touch(pathjoin(sys_kernel, 'kernel-1-r01.tbz2'), makedirs=True)
    osutils.Touch(pathjoin(sys_kernel, 'kernel-2-r0.tbz1'), makedirs=True)
    osutils.Touch(pathjoin(sys_kernel, 'kernel-2-r0.tbz2'), makedirs=True)
    stripped_files_list = [
        abspath(pathjoin(pkg_dir, 'chromeos-base', 'chrome-1-r0.tbz2')),
        abspath(pathjoin(pkg_dir, 'sys-kernel', 'kernel-1-r0.tbz2')),
        abspath(pathjoin(pkg_dir, 'sys-kernel', 'kernel-2-r0.tbz2'))]

    tar_mock = self.PatchObject(commands, 'BuildTarball')
    self.PatchObject(cros_build_lib, 'RunCommand')
    commands.BuildStrippedPackagesTarball(self._buildroot,
                                          'test-board',
                                          package_globs,
                                          self.tempdir)
    tar_mock.assert_called_once_with(
        self._buildroot, stripped_files_list,
        pathjoin(self.tempdir, 'stripped-packages.tar'),
        compressed=False)


class UnmockedTests(cros_test_lib.TempDirTestCase):
  """Test cases which really run tests, instead of using mocks."""

  def testListFaliedTests(self):
    """Tests if we can list failed tests."""
    test_report_1 = """
/tmp/taco/taste_tests/all/results-01-has_salsa              [  PASSED  ]
/tmp/taco/taste_tests/all/results-01-has_salsa/has_salsa    [  PASSED  ]
/tmp/taco/taste_tests/all/results-02-has_cheese             [  FAILED  ]
/tmp/taco/taste_tests/all/results-02-has_cheese/has_cheese  [  FAILED  ]
/tmp/taco/taste_tests/all/results-02-has_cheese/has_cheese   FAIL: No cheese.
"""
    test_report_2 = """
/tmp/taco/verify_tests/all/results-01-has_salsa              [  PASSED  ]
/tmp/taco/verify_tests/all/results-01-has_salsa/has_salsa    [  PASSED  ]
/tmp/taco/verify_tests/all/results-02-has_cheese             [  PASSED  ]
/tmp/taco/verify_tests/all/results-02-has_cheese/has_cheese  [  PASSED  ]
"""
    results_path = os.path.join(self.tempdir, 'tmp/taco')
    os.makedirs(results_path)
    # Create two reports with the same content to test that we don't
    # list the same test twice.
    osutils.WriteFile(
        os.path.join(results_path, 'taste_tests', 'all', 'test_report.log'),
        test_report_1, makedirs=True)
    osutils.WriteFile(
        os.path.join(results_path, 'taste_tests', 'failed', 'test_report.log'),
        test_report_1, makedirs=True)
    osutils.WriteFile(
        os.path.join(results_path, 'verify_tests', 'all', 'test_report.log'),
        test_report_2, makedirs=True)

    self.assertEquals(
        commands.ListFailedTests(results_path),
        [('has_cheese', 'taste_tests/all/results-02-has_cheese')])

  def testArchiveTestResults(self):
    """Test if we can archive a test results dir."""
    test_results_dir = 'tmp/taco'
    results_path = os.path.join(self.tempdir, 'chroot', test_results_dir)
    archive_dir = os.path.join(self.tempdir, 'archived_taco')
    os.makedirs(results_path)
    os.makedirs(archive_dir)
    # File that should be archived.
    osutils.Touch(os.path.join(results_path, 'foo.txt'))
    # Flies that should be ignored.
    osutils.Touch(os.path.join(results_path,
                               'chromiumos_qemu_disk.bin.foo'))
    os.symlink('/src/foo', os.path.join(results_path, 'taco_link'))
    commands.ArchiveTestResults(results_path, archive_dir)
    self.assertExists(os.path.join(archive_dir, 'foo.txt'))
    self.assertNotExists(
        os.path.join(archive_dir, 'chromiumos_qemu_disk.bin.foo'))
    self.assertNotExists(os.path.join(archive_dir, 'taco_link'))

  def testBuildFirmwareArchive(self):
    """Verifies that firmware archiver includes proper files"""
    # Assorted set of file names, some of which are supposed to be included in
    # the archive.
    fw_files = (
        'dts/emeraldlake2.dts',
        'image-link.rw.bin',
        'nv_image-link.bin',
        'pci8086,0166.rom',
        'seabios.cbfs',
        'u-boot.elf',
        'u-boot_netboot.bin',
        'updater-link.rw.sh',
        'x86-memtest',
    )
    # Files which should be included in the archive.
    fw_archived_files = fw_files + ('dts/',)
    board = 'link'
    fw_test_root = os.path.join(self.tempdir, os.path.basename(__file__))
    fw_files_root = os.path.join(fw_test_root,
                                 'chroot/build/%s/firmware' % board)
    # Generate a representative set of files produced by a typical build.
    cros_test_lib.CreateOnDiskHierarchy(fw_files_root, fw_files)
    # Create an archive from the simulated firmware directory
    tarball = os.path.join(
        fw_test_root,
        commands.BuildFirmwareArchive(fw_test_root, board, fw_test_root))
    # Verify the tarball contents.
    cros_test_lib.VerifyTarball(tarball, fw_archived_files)

  def findFilesWithPatternExpectedResults(self, root, files):
    """Generate the expected results for testFindFilesWithPattern"""
    return [os.path.join(root, f) for f in files]

  def testFindFilesWithPattern(self):
    """Verifies FindFilesWithPattern searches and excludes files properly"""
    search_files = (
        'file1',
        'test1',
        'file2',
        'dir1/file1',
        'dir1/test1',
        'dir2/file2',
    )
    search_files_root = os.path.join(self.tempdir, 'FindFilesWithPatternTest')
    cros_test_lib.CreateOnDiskHierarchy(search_files_root, search_files)
    find_all = commands.FindFilesWithPattern('*', target=search_files_root)
    expected_find_all = self.findFilesWithPatternExpectedResults(
        search_files_root, search_files)
    self.assertEquals(set(find_all), set(expected_find_all))
    find_test_files = commands.FindFilesWithPattern('test*',
                                                    target=search_files_root)
    find_test_expected = self.findFilesWithPatternExpectedResults(
        search_files_root, ['test1', 'dir1/test1'])
    self.assertEquals(set(find_test_files), set(find_test_expected))
    find_exclude = commands.FindFilesWithPattern(
        '*', target=search_files_root,
        exclude_dirs=(os.path.join(search_files_root, 'dir1'),))
    find_exclude_expected = self.findFilesWithPatternExpectedResults(
        search_files_root, ['file1', 'test1', 'file2', 'dir2/file2'])
    self.assertEquals(set(find_exclude), set(find_exclude_expected))

  def testGenerateHtmlIndexTuple(self):
    """Verifies GenerateHtmlIndex gives us something sane (input: tuple)"""
    index = os.path.join(self.tempdir, 'index.html')
    files = ('file1', 'monkey tree', 'flying phone',)
    commands.GenerateHtmlIndex(index, files)
    html = osutils.ReadFile(index)
    for f in files:
      self.assertIn('>%s</a>' % f, html)

  def testGenerateHtmlIndexTupleDupe(self):
    """Verifies GenerateHtmlIndex gives us something unique (input: tuple)"""
    index = os.path.join(self.tempdir, 'index.html')
    files = ('file1', 'file1', 'file1',)
    commands.GenerateHtmlIndex(index, files)
    html = osutils.ReadFile(index)
    self.assertEqual(html.count('>file1</a>'), 1)

  def testGenerateHtmlIndexTuplePretty(self):
    """Verifies GenerateHtmlIndex gives us something pretty (input: tuple)"""
    index = os.path.join(self.tempdir, 'index.html')
    files = ('..|up', 'f.txt|MY FILE', 'm.log|MONKEY', 'b.bin|Yander',)
    commands.GenerateHtmlIndex(index, files)
    html = osutils.ReadFile(index)
    for f in files:
      a = f.split('|')
      self.assertIn('href="%s"' % a[0], html)
      self.assertIn('>%s</a>' % a[1], html)

  def testGenerateHtmlIndexDir(self):
    """Verifies GenerateHtmlIndex gives us something sane (input: dir)"""
    index = os.path.join(self.tempdir, 'index.html')
    files = ('a', 'b b b', 'c', 'dalsdkjfasdlkf',)
    simple_dir = os.path.join(self.tempdir, 'dir')
    for f in files:
      osutils.Touch(os.path.join(simple_dir, f), makedirs=True)
    commands.GenerateHtmlIndex(index, files)
    html = osutils.ReadFile(index)
    for f in files:
      self.assertIn('>%s</a>' % f, html)

  def testGenerateHtmlIndexFile(self):
    """Verifies GenerateHtmlIndex gives us something sane (input: file)"""
    index = os.path.join(self.tempdir, 'index.html')
    files = ('a.tgz', 'b b b.txt', 'c', 'dalsdkjfasdlkf',)
    filelist = os.path.join(self.tempdir, 'listing')
    osutils.WriteFile(filelist, '\n'.join(files))
    commands.GenerateHtmlIndex(index, filelist)
    html = osutils.ReadFile(index)
    for f in files:
      self.assertIn('>%s</a>' % f, html)

  def testGenerateHtmlTimeline(self):
    """Verifies GenerateHtmlTimeline gives us something sane."""
    timeline = os.path.join(self.tempdir, 'timeline.html')
    now = dt.datetime.now()
    rows = [
        ('test1', now - dt.timedelta(0, 3600), now - dt.timedelta(0, 1800)),
        ('test2', now - dt.timedelta(0, 3600), now - dt.timedelta(0, 600)),
        ('test3', now - dt.timedelta(0, 1800), now - dt.timedelta(0, 1200))
    ]
    commands.GenerateHtmlTimeline(timeline, rows, 'my-timeline')
    html = osutils.ReadFile(timeline)
    self.assertIn('my-timeline', html)
    for r in rows:
      self.assertIn('["%s", new Date' % r[0], html)

  def testArchiveGeneration(self):
    """Verifies BuildStandaloneImageArchive produces correct archives"""
    image_dir = os.path.join(self.tempdir, 'inputs')
    archive_dir = os.path.join(self.tempdir, 'outputs')
    files = ('a.bin', 'aa', 'b b b', 'c', 'dalsdkjfasdlkf',)
    osutils.SafeMakedirs(image_dir)
    osutils.SafeMakedirs(archive_dir)
    for f in files:
      osutils.Touch(os.path.join(image_dir, f))

    # Check specifying tar functionality.
    artifact = {'paths': ['a.bin'], 'output': 'a.tar.gz', 'archive': 'tar',
                'compress':'gz'}
    path = commands.BuildStandaloneArchive(archive_dir, image_dir, artifact)
    self.assertEquals(path, ['a.tar.gz'])
    cros_test_lib.VerifyTarball(os.path.join(archive_dir, path[0]),
                                ['a.bin'])

    # Check multiple input files.
    artifact = {'paths': ['a.bin', 'aa'], 'output': 'aa.tar.gz',
                'archive': 'tar', 'compress': 'gz'}
    path = commands.BuildStandaloneArchive(archive_dir, image_dir, artifact)
    self.assertEquals(path, ['aa.tar.gz'])
    cros_test_lib.VerifyTarball(os.path.join(archive_dir, path[0]),
                                ['a.bin', 'aa'])

    # Check zip functionality.
    artifact = {'paths': ['a.bin'], 'archive': 'zip'}
    path = commands.BuildStandaloneArchive(archive_dir, image_dir, artifact)
    self.assertEquals(path, ['a.zip'])
    self.assertExists(os.path.join(archive_dir, path[0]))

  def testGceTarballGeneration(self):
    """Verifies BuildGceTarball produces correct archives"""
    image_dir = os.path.join(self.tempdir, 'inputs')
    archive_dir = os.path.join(self.tempdir, 'outputs')
    image = constants.TEST_IMAGE_BIN
    output = constants.TEST_IMAGE_GCE_TAR

    osutils.SafeMakedirs(image_dir)
    osutils.SafeMakedirs(archive_dir)
    osutils.Touch(os.path.join(image_dir, image))

    output_tar = commands.BuildGceTarball(archive_dir, image_dir, image)
    self.assertEquals(output, output_tar)

    output_path = os.path.join(archive_dir, output_tar)
    self.assertExists(output_path)

    # GCE expects the tarball to be in a particular format.
    cros_test_lib.VerifyTarball(output_path, ['disk.raw'])


class ImageTestCommandsTest(cros_build_lib_unittest.RunCommandTestCase):
  """Test commands related to ImageTest tests."""

  def setUp(self):
    self._build = 'test-build'
    self._board = 'test-board'
    self._image_dir = 'image-dir'
    self._result_dir = 'result-dir'
    self.PatchObject(path_util, 'ToChrootPath',
                     side_effect=lambda x: x)

  def testRunTestImage(self):
    """Verifies RunTestImage calls into test-image script properly."""
    commands.RunTestImage(self._build, self._board, self._image_dir,
                          self._result_dir)
    self.assertCommandContains(
        [
            'sudo', '--',
            os.path.join(self._build, 'chromite', 'bin', 'test_image'),
            '--board', self._board,
            '--test_results_root',
            path_util.ToChrootPath(self._result_dir),
            path_util.ToChrootPath(self._image_dir),
        ],
        enter_chroot=True,
    )