aosp12/external/autotest/site_utils/hwid_lib_unittest.py

165 lines
6.5 KiB
Python

# Copyright 2016 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.
import cStringIO
import json
import mock
import os
import shutil
import tempfile
import unittest
import urllib2
import common
from autotest_lib.site_utils import hwid_lib
class HwIdUnittests(unittest.TestCase):
"""Unittest for testing get_hwid_info."""
def setUp(self):
# Create tmp dir and dummy key files.
self.tmp_dir = tempfile.mkdtemp(prefix='hwid_test')
self.dummy_key = 'dummy_key'
self.dummy_key_file = os.path.join(self.tmp_dir, 'dummy_key')
with open(self.dummy_key_file, 'w') as f:
f.write(self.dummy_key)
self.dummy_key_file_spaces = os.path.join(self.tmp_dir,
'dummy_key_spaces')
with open(self.dummy_key_file_spaces, 'w') as f:
f.write(' %s ' % self.dummy_key)
self.dummy_key_file_newline = os.path.join(self.tmp_dir,
'dummy_key_newline')
with open(self.dummy_key_file_newline, 'w') as f:
f.write('%s\n' % self.dummy_key)
self.invalid_dummy_key_file = os.path.join(self.tmp_dir,
'invalid_dummy_key_file')
def tearDown(self):
mock.patch.stopall()
if os.path.exists(self.tmp_dir):
shutil.rmtree(self.tmp_dir)
def validate_exception(self, exception, *args):
"""Helper method to validate proper exception is raised.
@param exception: The exception class to check against.
@param args: The unamed args to pass to func.
"""
with self.assertRaises(exception):
hwid_lib.get_hwid_info(*args)
def test_none_hwid(self):
"""Test that an empty hwid raises a ValueError."""
self.validate_exception(ValueError, None, None, None)
def test_invalid_info_type(self):
"""Test that an invalid info type raises a ValueError."""
self.validate_exception(ValueError, 'hwid', 'invalid_info_type', None)
def test_fail_open_with_nonexistent_file(self):
"""Test that trying to open non-existent file will raise an IOError."""
self.validate_exception(IOError, 'hwid', hwid_lib.HWID_INFO_BOM,
self.invalid_dummy_key_file)
@mock.patch('urllib2.urlopen', side_effect=urllib2.URLError('url error'))
def test_fail_to_open_url_urlerror(self, *args, **dargs):
"""Test that failing to open a url will raise a HwIdException."""
self.validate_exception(hwid_lib.HwIdException, 'hwid',
hwid_lib.HWID_INFO_BOM, self.dummy_key_file)
# pylint: disable=missing-docstring
@mock.patch('urllib2.urlopen')
def test_fail_decode_hwid(self, mock_urlopen, *args, **dargs):
"""Test that supplying bad json raises a HwIdException."""
mock_page_contents = mock.Mock(wraps=cStringIO.StringIO('bad json'))
mock_urlopen.return_value = mock_page_contents
self.validate_exception(hwid_lib.HwIdException, 'hwid',
hwid_lib.HWID_INFO_BOM, self.dummy_key_file)
mock_page_contents.close.assert_called_once_with()
# pylint: disable=missing-docstring
@mock.patch('urllib2.urlopen')
def test_success(self, mock_urlopen, *args, **dargs):
"""Test that get_hwid_info successfully returns a hwid dict.
We want to check that it works on all valid info types.
"""
returned_json = '{"key1": "data1"}'
expected_dict = json.loads(returned_json)
for valid_info_type in hwid_lib.HWID_INFO_TYPES:
mock_page_contents = mock.Mock(
wraps=cStringIO.StringIO(returned_json))
mock_urlopen.return_value = mock_page_contents
self.assertEqual(hwid_lib.get_hwid_info('hwid', valid_info_type,
self.dummy_key_file),
expected_dict)
mock_page_contents.close.assert_called_once_with()
# pylint: disable=missing-docstring
@mock.patch('urllib2.urlopen')
def test_url_properly_constructed(self, mock_urlopen, *args, **dargs):
"""Test that the url is properly constructed.
Let's make sure that the key is properly cleaned before getting
inserted into the url by trying all the different dummy_key_files.
"""
info_type = hwid_lib.HWID_INFO_BOM
hwid = 'mock_hwid'
expected_url = ('%s/%s/%s/%s/?key=%s' % (hwid_lib.HWID_BASE_URL,
hwid_lib.HWID_VERSION,
info_type, hwid,
self.dummy_key))
for dummy_key_file in [self.dummy_key_file,
self.dummy_key_file_spaces,
self.dummy_key_file_newline]:
mock_page_contents = mock.Mock(wraps=cStringIO.StringIO('{}'))
mock_urlopen.return_value = mock_page_contents
hwid_lib.get_hwid_info(hwid, info_type, dummy_key_file)
mock_urlopen.assert_called_with(expected_url)
# pylint: disable=missing-docstring
@mock.patch('urllib2.urlopen')
def test_url_properly_constructed_again(self, mock_urlopen, *args, **dargs):
"""Test that the url is properly constructed with special hwid.
Let's make sure that a hwid with a space is properly transformed.
"""
info_type = hwid_lib.HWID_INFO_BOM
hwid = 'mock hwid with space'
hwid_quoted = 'mock%20hwid%20with%20space'
expected_url = ('%s/%s/%s/%s/?key=%s' % (hwid_lib.HWID_BASE_URL,
hwid_lib.HWID_VERSION,
info_type, hwid_quoted,
self.dummy_key))
mock_page_contents = mock.Mock(wraps=cStringIO.StringIO('{}'))
mock_urlopen.return_value = mock_page_contents
hwid_lib.get_hwid_info(hwid, info_type, self.dummy_key_file)
mock_urlopen.assert_called_with(expected_url)
def test_dummy_key_file(self):
"""Test that we get an empty dict with a dummy key file."""
info_type = hwid_lib.HWID_INFO_BOM
hwid = 'mock hwid with space'
key_file = hwid_lib.KEY_FILENAME_NO_HWID
self.assertEqual(hwid_lib.get_hwid_info(hwid, info_type, key_file), {})
if __name__ == '__main__':
unittest.main()