client/bin/job_unittest.py

#!/usr/bin/python

import os, unittest, pickle, shutil, sys
import common

from autotest_lib.client.bin import job, boottool, config, sysinfo, harness
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib import utils, error
from autotest_lib.client.common_lib.test_utils import mock


class first_line_comparator(mock.argument_comparator):
    def __init__(self, first_line):
        self.first_line = first_line


    def is_satisfied_by(self, parameter):
        return self.first_line == parameter.splitlines()[0]


class TestBaseJob(unittest.TestCase):
    def setUp(self):
        # make god
        self.god = mock.mock_god()

        # need to set some environ variables
        self.autodir = "autodir"
        os.environ['AUTODIR'] = self.autodir

        # set up some variables
        self.control = "control"
        self.jobtag = "jobtag"

        # stub out some stuff
        self.god.stub_function(os.path, 'exists')
        self.god.stub_function(os.path, 'isdir')
        self.god.stub_function(os, 'mkdir')
        self.god.stub_function(shutil, 'copyfile')
        self.god.stub_function(job, 'open')
        self.god.stub_function(utils, 'system')
        self.god.stub_function(harness, 'select')
        self.god.stub_function(sysinfo, 'log_per_reboot_data')
        self.god.stub_function(pickle, 'load')
        self.god.stub_function(sysinfo, 'log_per_reboot_data')

        self.god.stub_class(config, 'config')
        self.god.stub_class(boottool, 'boottool')


    def tearDown(self):
        self.god.unstub_all()


    def construct_job(self, cont):
        # will construct class instance using __new__
        self.job = job.base_job.__new__(job.base_job)

        # now some specific stubs
        self.god.stub_function(self.job, '_load_state')
        self.god.stub_function(self.job, '_init_group_level')
        self.god.stub_function(self.job, 'config_get')
        self.god.stub_function(self.job, 'record')
        self.god.stub_function(self.job, '_increment_group_level')
        self.god.stub_function(self.job, '_decrement_group_level')
        self.god.stub_function(self.job, 'get_state')

        # other setup
        tmpdir = os.path.join(self.autodir, 'tmp')
        results = os.path.join(self.autodir, 'results')
        download = os.path.join(self.autodir, 'tests', 'download')
        resultdir = os.path.join(self.autodir, 'results', self.jobtag)
        sysinfodir = os.path.join(resultdir, 'sysinfo')

        # record
        self.job._load_state.expect_call()
        if not cont:
            os.path.exists.expect_call(tmpdir).and_return(False)
            os.mkdir.expect_call(tmpdir)
            os.path.exists.expect_call(results).and_return(False)
            os.mkdir.expect_call(results)
            os.path.exists.expect_call(download).and_return(False)
            os.mkdir.expect_call(download)
            os.path.exists.expect_call(resultdir).and_return(True)
            utils.system.expect_call('rm -rf ' + resultdir)
            os.mkdir.expect_call(resultdir)
            os.mkdir.expect_call(sysinfodir)
            os.mkdir.expect_call(os.path.join(resultdir, 'debug'))
            os.mkdir.expect_call(os.path.join(resultdir,
                                              'analysis'))
            shutil.copyfile.expect_call(mock.is_string_comparator(),
                                 os.path.join(resultdir, 'control'))

        self.job._init_group_level.expect_call()
        self.config = config.config.expect_new(self.job)
        my_harness = self.god.create_mock_class(harness.harness,
                                                'my_harness')
        harness.select.expect_call(None,
                                   self.job).and_return(my_harness)
        self.job.config_get.expect_call(
                'boottool.executable').and_return(None)
        bootloader = boottool.boottool.expect_new(None)
        sysinfo.log_per_reboot_data.expect_call(sysinfodir)
        if not cont:
            self.job.record.expect_call('START', None, None)
            self.job._increment_group_level.expect_call()

        my_harness.run_start.expect_call()
        self.job.get_state.expect_call('__monitor_disk',
                                       default=0.0).and_return(0.0)

        # finish constructor
        self.job.__init__(self.control, self.jobtag, cont)

        # check
        self.god.check_playback()


    def test_constructor(self):
        self.construct_job(False)


    def test_monitor_disk_usage(self):
        self.construct_job(True)

        # setup
        self.god.stub_function(self.job, 'set_state')

        # record
        max_rate = 10.0
        self.job.set_state.expect_call('__monitor_disk', max_rate)

        # test
        self.job.monitor_disk_usage(max_rate)
        self.god.check_playback()


    def test_relitive_path(self):
        self.construct_job(True)
        dummy = "asdf"
        ret = self.job.relative_path(os.path.join(self.job.resultdir, dummy))
        self.assertEquals(ret, dummy)


    def test_control_functions(self):
        self.construct_job(True)
        control_file = "blah"
        self.job.control_set(control_file)
        self.assertEquals(self.job.control_get(), os.path.abspath(control_file))


    def test_harness_select(self):
        self.construct_job(True)

        # record
        which = "which"
        harness.select.expect_call(which, self.job).and_return(None)

        # run and test
        self.job.harness_select(which)
        self.god.check_playback()


    def test_config_set(self):
        self.construct_job(True)

        # record
        name = "foo"
        val = 10
        self.config.set.expect_call(name, val)

        # run and test
        self.job.config_set(name, val)
        self.god.check_playback()


    def test_config_get(self):
        self.construct_job(True)

        # unstub config_get
        self.god.unstub(self.job, 'config_get')
        # record
        name = "foo"
        val = 10
        self.config.get.expect_call(name).and_return(val)

        # run and test
        self.job.config_get(name)
        self.god.check_playback()


    def test_setup_dirs_raise(self):
        self.construct_job(True)

        # setup
        results_dir = 'foo'
        tmp_dir = 'bar'

        # record
        os.path.exists.expect_call(tmp_dir).and_return(True)
        os.path.isdir.expect_call(tmp_dir).and_return(False)

        # test
        self.assertRaises(ValueError, self.job.setup_dirs, results_dir, tmp_dir)
        self.god.check_playback()


    def test_setup_dirs(self):
        self.construct_job(True)

        # setup
        results_dir1 = os.path.join(self.job.resultdir, 'build')
        results_dir2 = os.path.join(self.job.resultdir, 'build.2')
        results_dir3 = os.path.join(self.job.resultdir, 'build.3')
        tmp_dir = 'bar'

        # record
        os.path.exists.expect_call(tmp_dir).and_return(False)
        os.mkdir.expect_call(tmp_dir)
        os.path.isdir.expect_call(tmp_dir).and_return(True)
        os.path.exists.expect_call(results_dir1).and_return(True)
        os.path.exists.expect_call(results_dir2).and_return(True)
        os.path.exists.expect_call(results_dir3).and_return(False)
        os.path.exists.expect_call(results_dir3).and_return(False)
        os.mkdir.expect_call(results_dir3)

        # test
        self.assertEqual(self.job.setup_dirs(None, tmp_dir),
                         (results_dir3, tmp_dir))
        self.god.check_playback()


    def test_run_test_logs_test_error_from_unhandled_error(self):
        self.construct_job(True)

        # set up stubs
        self.god.stub_function(test, "testname")
        self.god.stub_function(self.job, "_runtest")

        # create an unhandled error object
        class MyError(error.TestError):
            pass
        real_error = MyError("this is the real error message")
        unhandled_error = error.UnhandledError(real_error)

        # set up the recording
        testname = "error_test"
        outputdir = os.path.join(self.job.resultdir, testname)
        test.testname.expect_call(testname).and_return(("", testname))
        os.path.exists.expect_call(outputdir).and_return(False)
        os.mkdir.expect_call(outputdir)
        self.job.record.expect_call("START", testname, testname)
        self.job._increment_group_level.expect_call()
        self.job._runtest.expect_call(testname, "", (), {}).and_raises(
            unhandled_error)
        self.job.record.expect_call("FAIL", testname, testname,
                                    first_line_comparator(str(real_error)))
        self.job._decrement_group_level.expect_call()
        self.job.record.expect_call("END FAIL", testname, testname,
                                    first_line_comparator(str(real_error)))

        # run and check
        self.job.run_test(testname)
        self.god.check_playback()


    def test_run_test_logs_non_test_error_from_unhandled_error(self):
        self.construct_job(True)

        # set up stubs
        self.god.stub_function(test, "testname")
        self.god.stub_function(self.job, "_runtest")

        # create an unhandled error object
        class MyError(Exception):
            pass
        real_error = MyError("this is the real error message")
        unhandled_error = error.UnhandledError(real_error)
        reason = first_line_comparator("Unhandled MyError: %s" % real_error)

        # set up the recording
        testname = "error_test"
        outputdir = os.path.join(self.job.resultdir, testname)
        test.testname.expect_call(testname).and_return(("", testname))
        os.path.exists.expect_call(outputdir).and_return(False)
        os.mkdir.expect_call(outputdir)
        self.job.record.expect_call("START", testname, testname)
        self.job._increment_group_level.expect_call()
        self.job._runtest.expect_call(testname, "", (), {}).and_raises(
            unhandled_error)
        self.job.record.expect_call("FAIL", testname, testname, reason)
        self.job._decrement_group_level.expect_call()
        self.job.record.expect_call("END FAIL", testname, testname, reason)

        # run and check
        self.job.run_test(testname)
        self.god.check_playback()

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