gecko/testing/mozharness/scripts/android_emulator_unittest.py

721 lines
29 KiB
Python

#!/usr/bin/env python
# ***** BEGIN LICENSE BLOCK *****
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
# ***** END LICENSE BLOCK *****
import copy
import datetime
import os
import sys
import signal
import socket
import subprocess
import telnetlib
import time
import tempfile
# load modules from parent dir
sys.path.insert(1, os.path.dirname(sys.path[0]))
from mozprocess import ProcessHandler
from mozharness.base.log import FATAL
from mozharness.base.script import BaseScript, PostScriptRun
from mozharness.base.vcs.vcsbase import VCSMixin
from mozharness.mozilla.blob_upload import BlobUploadMixin, blobupload_config_options
from mozharness.mozilla.mozbase import MozbaseMixin
from mozharness.mozilla.testing.testbase import TestingMixin, testing_config_options
from mozharness.mozilla.testing.unittest import EmulatorMixin
class AndroidEmulatorTest(BlobUploadMixin, TestingMixin, EmulatorMixin, VCSMixin, BaseScript, MozbaseMixin):
config_options = [[
["--robocop-url"],
{"action": "store",
"dest": "robocop_url",
"default": None,
"help": "URL to the robocop apk",
}
], [
["--host-utils-url"],
{"action": "store",
"dest": "xre_url",
"default": None,
"help": "URL to the host utils zip",
}
], [
["--test-suite"],
{"action": "store",
"dest": "test_suite",
}
], [
["--adb-path"],
{"action": "store",
"dest": "adb_path",
"default": None,
"help": "Path to adb",
}
]] + copy.deepcopy(testing_config_options) + \
copy.deepcopy(blobupload_config_options)
error_list = [
]
virtualenv_requirements = [
]
virtualenv_modules = [
]
app_name = None
def __init__(self, require_config_file=False):
super(AndroidEmulatorTest, self).__init__(
config_options=self.config_options,
all_actions=['clobber',
'read-buildbot-config',
'setup-avds',
'start-emulator',
'download-and-extract',
'create-virtualenv',
'verify-emulator',
'install',
'run-tests',
'stop-emulator'],
default_actions=['clobber',
'start-emulator',
'download-and-extract',
'create-virtualenv',
'verify-emulator',
'install',
'run-tests',
'stop-emulator'],
require_config_file=require_config_file,
config={
'virtualenv_modules': self.virtualenv_modules,
'virtualenv_requirements': self.virtualenv_requirements,
'require_test_zip': True,
# IP address of the host as seen from the emulator
'remote_webserver': '10.0.2.2',
}
)
# these are necessary since self.config is read only
c = self.config
abs_dirs = self.query_abs_dirs()
self.adb_path = self.query_exe('adb')
self.installer_url = c.get('installer_url')
self.installer_path = c.get('installer_path')
self.test_url = c.get('test_url')
self.test_manifest = c.get('test_manifest')
self.robocop_url = c.get('robocop_url')
self.robocop_path = os.path.join(abs_dirs['abs_work_dir'], "robocop.apk")
self.host_utils_url = c.get('host_utils_url')
self.minidump_stackwalk_path = c.get("minidump_stackwalk_path")
self.emulator = c.get('emulator')
self.test_suite_definitions = c['test_suite_definitions']
self.test_suite = c.get('test_suite')
assert self.test_suite in self.test_suite_definitions
def _query_tests_dir(self):
dirs = self.query_abs_dirs()
suite_category = self.test_suite_definitions[self.test_suite]["category"]
try:
test_dir = self.config["suite_definitions"][suite_category]["testsdir"]
except:
test_dir = suite_category
return os.path.join(dirs['abs_test_install_dir'], test_dir)
def query_abs_dirs(self):
if self.abs_dirs:
return self.abs_dirs
abs_dirs = super(AndroidEmulatorTest, self).query_abs_dirs()
dirs = {}
dirs['abs_test_install_dir'] = os.path.join(
abs_dirs['abs_work_dir'], 'tests')
dirs['abs_xre_dir'] = os.path.join(
abs_dirs['abs_work_dir'], 'hostutils')
dirs['abs_modules_dir'] = os.path.join(
dirs['abs_test_install_dir'], 'modules')
dirs['abs_blob_upload_dir'] = os.path.join(
abs_dirs['abs_work_dir'], 'blobber_upload_dir')
dirs['abs_emulator_dir'] = os.path.join(
abs_dirs['abs_work_dir'], 'emulator')
if self.config.get("developer_mode"):
dirs['abs_avds_dir'] = os.path.join(
abs_dirs['abs_work_dir'], "avds_dir")
else:
dirs['abs_avds_dir'] = "/home/cltbld/.android"
for key in dirs.keys():
if key not in abs_dirs:
abs_dirs[key] = dirs[key]
self.abs_dirs = abs_dirs
return self.abs_dirs
def _launch_emulator(self):
env = self.query_env()
# Set $LD_LIBRARY_PATH to self.dirs['abs_work_dir'] so that
# the emulator picks up the symlink to libGL.so.1 that we
# constructed in start_emulator.
env['LD_LIBRARY_PATH'] = self.abs_dirs['abs_work_dir']
# Specifically for developer mode we have to set this variable
avd_home_dir = self.abs_dirs['abs_avds_dir']
env['ANDROID_AVD_HOME'] = os.path.join(avd_home_dir, 'avd')
command = [
"emulator", "-avd", self.emulator["name"],
"-port", str(self.emulator["emulator_port"]),
]
if "emulator_extra_args" in self.config:
command += self.config["emulator_extra_args"].split()
tmp_file = tempfile.NamedTemporaryFile(mode='w')
tmp_stdout = open(tmp_file.name, 'w')
self.info("Created temp file %s." % tmp_file.name)
self.info("Trying to start the emulator with this command: %s" % ' '.join(command))
proc = subprocess.Popen(command, stdout=tmp_stdout, stderr=tmp_stdout, env=env)
return {
"process": proc,
"tmp_file": tmp_file,
}
def _retry(self, max_attempts, interval, func, description, max_time = 0):
'''
Execute func until it returns True, up to max_attempts times, waiting for
interval seconds between each attempt. description is logged on each attempt.
If max_time is specified, no further attempts will be made once max_time
seconds have elapsed; this provides some protection for the case where
the run-time for func is long or highly variable.
'''
status = False
attempts = 0
if max_time > 0:
end_time = datetime.datetime.now() + datetime.timedelta(seconds = max_time)
else:
end_time = None
while attempts < max_attempts and not status:
if (end_time is not None) and (datetime.datetime.now() > end_time):
self.info("Maximum retry run-time of %d seconds exceeded; remaining attempts abandoned" % max_time)
break
if attempts != 0:
self.info("Sleeping %d seconds" % interval)
time.sleep(interval)
attempts += 1
self.info(">> %s: Attempt #%d of %d" % (description, attempts, max_attempts))
status = func()
return status
def _run_with_timeout(self, timeout, cmd):
timeout_cmd = ['timeout', '%s' % timeout] + cmd
return self._run_proc(timeout_cmd)
def _run_proc(self, cmd):
self.info('Running %s' % subprocess.list2cmdline(cmd))
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
out, err = p.communicate()
if out:
self.info('%s' % str(out.strip()))
if err:
self.info('stderr: %s' % str(err.strip()))
return out
def _telnet_cmd(self, telnet, command):
telnet.write('%s\n' % command)
result = telnet.read_until('OK', 10)
self.info('%s: %s' % (command, result))
return result
def _verify_adb(self):
self.info('Verifying adb connectivity')
self._run_with_timeout(300, [self.adb_path, 'wait-for-device'])
return True
def _verify_adb_device(self):
out = self._run_with_timeout(30, [self.adb_path, 'devices'])
if (self.emulator['device_id'] in out) and ("device" in out):
return True
return False
def _is_boot_completed(self):
boot_cmd = [self.adb_path, '-s', self.emulator['device_id'],
'shell', 'getprop', 'sys.boot_completed']
out = self._run_with_timeout(30, boot_cmd)
if out.strip() == '1':
return True
return False
def _telnet_to_emulator(self):
port = self.emulator["emulator_port"]
telnet_ok = False
try:
tn = telnetlib.Telnet('localhost', port, 10)
if tn is not None:
self.info('Connected to port %d' % port)
res = tn.read_until('OK', 10)
self.info(res)
self._telnet_cmd(tn, 'avd status')
if self.config["device_manager"] == "sut":
sutport1 = self.emulator["sut_port1"]
sutport2 = self.emulator["sut_port2"]
cmd = 'redir add tcp:' + str(sutport1) + ':' + str(self.config["default_sut_port1"])
self._telnet_cmd(tn, cmd)
cmd = 'redir add tcp:' + str(sutport2) + ':' + str(self.config["default_sut_port2"])
self._telnet_cmd(tn, cmd)
self._telnet_cmd(tn, 'redir list')
self._telnet_cmd(tn, 'network status')
tn.write('quit\n')
tn.read_all()
telnet_ok = True
else:
self.warning('Unable to connect to port %d' % port)
except socket.error, e:
self.info('Trying again after socket error: %s' % str(e))
pass
except EOFError:
self.info('Trying again after EOF')
pass
except:
self.info('Trying again after unexpected exception')
pass
finally:
if tn is not None:
tn.close()
return telnet_ok
def _telnet_to_sut(self):
port = self.emulator["sut_port1"]
contacted_sut = False
try:
tn = telnetlib.Telnet('localhost', port, 10)
if tn is not None:
self.info('Connected to port %d' % port)
res = tn.read_until('$>', 10)
if res.find('$>') == -1:
self.warning('Unexpected SUT response: %s' % res)
else:
self.info('SUT response: %s' % res)
contacted_sut = True
tn.write('quit\n')
tn.read_all()
else:
self.warning('Unable to connect to port %d' % port)
except socket.error, e:
self.info('Trying again after socket error: %s' % str(e))
pass
except EOFError:
self.info('Trying again after EOF')
pass
except:
self.info('Trying again after unexpected exception')
pass
finally:
if tn is not None:
tn.close()
return contacted_sut
def _verify_emulator(self):
adb_ok = self._verify_adb()
if not adb_ok:
self.warning('Unable to communicate with adb')
return False
adb_device_ok = self._retry(4, 30, self._verify_adb_device, "Verify emulator visible to adb")
if not adb_device_ok:
self.warning('Unable to communicate with emulator via adb')
return False
boot_ok = self._retry(30, 10, self._is_boot_completed, "Verify Android boot completed", max_time = 330)
if not boot_ok:
self.warning('Unable to verify Android boot completion')
return False
telnet_ok = self._retry(4, 30, self._telnet_to_emulator, "Verify telnet to emulator")
if not telnet_ok:
self.warning('Unable to telnet to emulator on port %d' % self.emulator["emulator_port"])
return False
if self.config["device_manager"] == "sut":
sut_ok = self._retry(8, 30, self._telnet_to_sut, "Verify telnet to SUT agent")
if not sut_ok:
self.warning('Unable to communicate with SUT agent on port %d' % self.emulator["sut_port1"])
return False
return True
def _verify_emulator_and_restart_on_fail(self):
emulator_ok = self._verify_emulator()
self._dump_host_state()
self._screenshot("emulator-startup-screenshot-")
if not emulator_ok:
self._kill_processes(self.config["emulator_process_name"])
self._dump_emulator_log()
self._restart_adbd()
self.emulator_proc = self._launch_emulator()
return emulator_ok
def _install_fennec_apk(self):
install_ok = False
cmd = [self.adb_path, '-s', self.emulator['device_id'], 'install', '-r', self.installer_path]
out = self._run_with_timeout(300, cmd)
if 'Success' in out:
install_ok = True
return install_ok
def _install_robocop_apk(self):
install_ok = False
cmd = [self.adb_path, '-s', self.emulator['device_id'], 'install', '-r', self.robocop_path]
out = self._run_with_timeout(300, cmd)
if 'Success' in out:
install_ok = True
return install_ok
def _dump_host_state(self):
self._run_proc(['ps', '-ef'])
self._run_proc(['netstat', '-a', '-p', '-n', '-t', '-u'])
def _dump_emulator_log(self):
self.info("##### %s emulator log begins" % self.emulator["name"])
output = self.read_from_file(self.emulator_proc["tmp_file"].name, verbose=False)
if output:
self.info(output)
self.info("##### %s emulator log ends" % self.emulator["name"])
def _kill_processes(self, process_name):
p = subprocess.Popen(['ps', '-A'], stdout=subprocess.PIPE)
out, err = p.communicate()
self.info("Let's kill every process called %s" % process_name)
for line in out.splitlines():
if process_name in line:
pid = int(line.split(None, 1)[0])
self.info("Killing pid %d." % pid)
os.kill(pid, signal.SIGKILL)
def _restart_adbd(self):
self._run_with_timeout(30, [self.adb_path, 'kill-server'])
self._run_with_timeout(30, [self.adb_path, 'start-server'])
def _screenshot(self, prefix):
"""
Save a screenshot of the entire screen to the blob upload directory.
"""
dirs = self.query_abs_dirs()
utility = os.path.join(dirs['abs_xre_dir'], "bin", "screentopng")
if not os.path.exists(utility):
self.warning("Unable to take screenshot: %s does not exist" % utility)
return
try:
tmpfd, filename = tempfile.mkstemp(prefix=prefix, suffix='.png',
dir=dirs['abs_blob_upload_dir'])
os.close(tmpfd)
self.info("Taking screenshot with %s; saving to %s" % (utility, filename))
subprocess.call([utility, filename], env=self.query_env())
except OSError, err:
self.warning("Failed to take screenshot: %s" % err.strerror)
def _query_package_name(self):
if self.app_name is None:
#find appname from package-name.txt - assumes download-and-extract has completed successfully
apk_dir = self.abs_dirs['abs_work_dir']
self.apk_path = os.path.join(apk_dir, self.installer_path)
unzip = self.query_exe("unzip")
package_path = os.path.join(apk_dir, 'package-name.txt')
unzip_cmd = [unzip, '-q', '-o', self.apk_path]
self.run_command(unzip_cmd, cwd=apk_dir, halt_on_failure=True)
self.app_name = str(self.read_from_file(package_path, verbose=True)).rstrip()
return self.app_name
def preflight_install(self):
# in the base class, this checks for mozinstall, but we don't use it
pass
def _build_command(self):
c = self.config
dirs = self.query_abs_dirs()
suite_category = self.test_suite_definitions[self.test_suite]["category"]
if suite_category not in self.config["suite_definitions"]:
self.fatal("Key '%s' not defined in the config!" % suite_category)
cmd = [
self.query_python_path('python'),
'-u',
os.path.join(
self._query_tests_dir(),
self.config["suite_definitions"][suite_category]["run_filename"]
),
]
raw_log_file = os.path.join(dirs['abs_blob_upload_dir'],
'%s_raw.log' % self.test_suite)
error_summary_file = os.path.join(dirs['abs_blob_upload_dir'],
'%s_errorsummary.log' % self.test_suite)
str_format_values = {
'app': self._query_package_name(),
'remote_webserver': c['remote_webserver'],
'xre_path': os.path.join(dirs['abs_xre_dir'], 'xre'),
'utility_path': os.path.join(dirs['abs_xre_dir'], 'bin'),
'http_port': self.emulator['http_port'],
'ssl_port': self.emulator['ssl_port'],
'certs_path': os.path.join(dirs['abs_work_dir'], 'tests/certs'),
# TestingMixin._download_and_extract_symbols() will set
# self.symbols_path when downloading/extracting.
'symbols_path': self.symbols_path,
'modules_dir': dirs['abs_modules_dir'],
'installer_path': self.installer_path,
'raw_log_file': raw_log_file,
'error_summary_file': error_summary_file,
'dm_trans': c['device_manager'],
}
if self.config["device_manager"] == "sut":
str_format_values.update({
'device_ip': c['device_ip'],
'device_port': str(self.emulator['sut_port1']),
})
for option in self.config["suite_definitions"][suite_category]["options"]:
cmd.extend([option % str_format_values])
for arg in self.test_suite_definitions[self.test_suite]["extra_args"]:
argname = arg.split('=')[0]
# only add the extra arg if it wasn't already defined by in-tree configs
if any(a.split('=')[0] == argname for a in cmd):
continue
cmd.append(arg)
try_options, try_tests = self.try_args(suite_category)
cmd.extend(try_options)
cmd.extend(self.query_tests_args(
self.config["suite_definitions"][suite_category].get("tests"),
self.test_suite_definitions[self.test_suite].get("tests"),
try_tests))
return cmd
def _tooltool_fetch(self, url):
c = self.config
dirs = self.query_abs_dirs()
manifest_path = self.download_file(
url,
file_name='releng.manifest',
parent_dir=dirs['abs_avds_dir']
)
if not os.path.exists(manifest_path):
self.fatal("Could not retrieve manifest needed to retrieve avds "
"artifacts from %s" % manifest_path)
self.tooltool_fetch(manifest_path,
output_dir=dirs['abs_avds_dir'],
cache=c.get("tooltool_cache", None))
##########################################
### Actions for AndroidEmulatorTest ###
##########################################
def setup_avds(self):
'''
If tooltool cache mechanism is enabled, the cached version is used by
the fetch command. If the manifest includes an "unpack" field, tooltool
will unpack all compressed archives mentioned in the manifest.
'''
c = self.config
dirs = self.query_abs_dirs()
# FIXME
# Clobbering and re-unpacking would not be needed if we had a way to
# check whether the unpacked content already present match the
# contents of the tar ball
self.rmtree(dirs['abs_avds_dir'])
self.mkdir_p(dirs['abs_avds_dir'])
if not self.buildbot_config:
# XXX until we figure out how to determine the repo_path, revision
url = 'https://hg.mozilla.org/%s/raw-file/%s/%s' % (
"try", "default", c["tooltool_manifest_path"])
self._tooltool_fetch(url)
elif self.buildbot_config and 'properties' in self.buildbot_config:
url = 'https://hg.mozilla.org/%s/raw-file/%s/%s' % (
self.buildbot_config['properties']['repo_path'],
self.buildbot_config['properties']['revision'],
c["tooltool_manifest_path"])
self._tooltool_fetch(url)
else:
self.fatal("properties in self.buildbot_config are required to "
"retrieve tooltool manifest to be used for avds setup")
if self.config.get("developer_mode"):
# For developer mode we have to modify the downloaded avds to
# point to the right directory.
avd_home_dir = self.abs_dirs['abs_avds_dir']
cmd = [
'bash', '-c',
'sed -i "s|/home/cltbld/.android|%s|" %s/test-*.ini' %
(avd_home_dir, os.path.join(avd_home_dir, 'avd'))
]
proc = ProcessHandler(cmd)
proc.run()
proc.wait()
def start_emulator(self):
'''
Starts the emulator
'''
if 'emulator_url' in self.config or 'emulator_manifest' in self.config or 'tools_manifest' in self.config:
self.install_emulator()
if not os.path.isfile(self.adb_path):
self.fatal("The adb binary '%s' is not a valid file!" % self.adb_path)
self._restart_adbd()
if not self.config.get("developer_mode"):
# We kill compiz because it sometimes prevents us from starting the emulator
self._kill_processes("compiz")
self._kill_processes("xpcshell")
# We add a symlink for libGL.so because the emulator dlopen()s it by that name
# even though the installed library on most systems without dev packages is
# libGL.so.1
linkfile = os.path.join(self.abs_dirs['abs_work_dir'], "libGL.so")
self.info("Attempting to establish symlink for %s" % linkfile)
try:
os.unlink(linkfile)
except OSError:
pass
for libdir in ["/usr/lib/x86_64-linux-gnu/mesa",
"/usr/lib/i386-linux-gnu/mesa",
"/usr/lib/mesa"]:
libfile = os.path.join(libdir, "libGL.so.1")
if os.path.exists(libfile):
self.info("Symlinking %s -> %s" % (linkfile, libfile))
self.mkdir_p(self.abs_dirs['abs_work_dir'])
os.symlink(libfile, linkfile)
break
self.emulator_proc = self._launch_emulator()
def verify_emulator(self):
'''
Check to see if the emulator can be contacted via adb, telnet, and sut, if configured.
If any communication attempt fails, kill the emulator, re-launch, and re-check.
'''
self.mkdir_p(self.query_abs_dirs()['abs_blob_upload_dir'])
max_restarts = 3
emulator_ok = self._retry(max_restarts, 30, self._verify_emulator_and_restart_on_fail, "Check emulator")
if not emulator_ok:
self.fatal('INFRA-ERROR: Unable to start emulator after %d attempts' % max_restarts)
# Start logcat for the emulator. The adb process runs until the
# corresponding emulator is killed. Output is written directly to
# the blobber upload directory so that it is uploaded automatically
# at the end of the job.
logcat_filename = 'logcat-%s.log' % self.emulator["device_id"]
logcat_path = os.path.join(self.abs_dirs['abs_blob_upload_dir'], logcat_filename)
logcat_cmd = '%s -s %s logcat -v threadtime Trace:S StrictMode:S ExchangeService:S > %s &' % \
(self.adb_path, self.emulator["device_id"], logcat_path)
self.info(logcat_cmd)
os.system(logcat_cmd)
# Get a post-boot emulator process list for diagnostics
ps_cmd = [self.adb_path, '-s', self.emulator["device_id"], 'shell', 'ps']
self._run_with_timeout(30, ps_cmd)
def download_and_extract(self):
"""
Download and extract fennec APK, tests.zip, host utils, and robocop (if required).
"""
suite_category = self.test_suite_definitions[self.test_suite]['category']
super(AndroidEmulatorTest, self).download_and_extract(suite_categories=[suite_category])
dirs = self.query_abs_dirs()
if self.test_suite.startswith('robocop'):
robocop_url = self.installer_url[:self.installer_url.rfind('/')] + '/robocop.apk'
self.info("Downloading robocop...")
self.download_file(robocop_url, 'robocop.apk', dirs['abs_work_dir'], error_level=FATAL)
self.download_unzip(self.host_utils_url, dirs['abs_xre_dir'])
def install(self):
"""
Install APKs on the emulator
"""
assert self.installer_path is not None, \
"Either add installer_path to the config or use --installer-path."
config = {
'device-id': self.emulator["device_id"],
'enable_automation': True,
'device_package_name': self._query_package_name()
}
config = dict(config.items() + self.config.items())
# Install Fennec
install_ok = self._retry(3, 30, self._install_fennec_apk, "Install Fennec APK")
if not install_ok:
self.fatal('INFRA-ERROR: Failed to install %s on %s' % (self.installer_path, self.emulator["name"]))
# Install Robocop if required
if self.test_suite.startswith('robocop'):
install_ok = self._retry(3, 30, self._install_robocop_apk, "Install Robocop APK")
if not install_ok:
self.fatal('INFRA-ERROR: Failed to install %s on %s' % (self.robocop_path, self.emulator["name"]))
self.info("Finished installing apps for %s" % self.emulator["name"])
def run_tests(self):
"""
Run the tests
"""
cmd = self._build_command()
try:
cwd = self._query_tests_dir()
except:
self.fatal("Don't know how to run --test-suite '%s'!" % self.test_suite)
env = self.query_env()
if self.query_minidump_stackwalk():
env['MINIDUMP_STACKWALK'] = self.minidump_stackwalk_path
env['MOZ_UPLOAD_DIR'] = self.query_abs_dirs()['abs_blob_upload_dir']
env['MINIDUMP_SAVE_PATH'] = self.query_abs_dirs()['abs_blob_upload_dir']
self.info("Running on %s the command %s" % (self.emulator["name"], subprocess.list2cmdline(cmd)))
self.info("##### %s log begins" % self.test_suite)
# TinderBoxPrintRe does not know about the '-debug' categories
aliases = {
'reftest-debug': 'reftest',
'jsreftest-debug': 'jsreftest',
'crashtest-debug': 'crashtest',
}
suite_category = self.test_suite_definitions[self.test_suite]["category"]
suite_category = aliases.get(suite_category, suite_category)
parser = self.get_test_output_parser(
suite_category,
config=self.config,
log_obj=self.log_obj,
error_list=self.error_list)
return_code = self.run_command(cmd,
cwd=cwd,
env=env,
output_parser=parser)
tbpl_status, log_level = parser.evaluate_parser(0)
parser.append_tinderboxprint_line(self.test_suite)
self.info("##### %s log ends" % self.test_suite)
self._dump_emulator_log()
self.buildbot_status(tbpl_status, level=log_level)
def stop_emulator(self):
'''
Report emulator health, then make sure that the emulator has been stopped
'''
self._verify_emulator()
self._kill_processes(self.config["emulator_process_name"])
def upload_blobber_files(self):
'''
Override BlobUploadMixin.upload_blobber_files to ensure emulator is killed
first (if the emulator is still running, logcat may still be running, which
may lock the blob upload directory, causing a hang).
'''
self._kill_processes(self.config["emulator_process_name"])
super(AndroidEmulatorTest, self).upload_blobber_files()
if __name__ == '__main__':
emulatorTest = AndroidEmulatorTest()
emulatorTest.run_and_exit()