def test_read(configs):
# Test all read methods
# Check the result of the read against the 'written' config set.
which = random.randint(0, 3)
present = random.randint(0, 1) == 1
if which == 0:
# test get_config_value
key = choose_key(present, configs['written'].values)
# test case when key is present and not present
v = boot_config.get_config_value(key)
print "testing get_config_value({}) => {}".format(key, v)
if present:
self.assertEqual(v, configs['written'].values[key])
else:
self.assertEqual(v, 0)
elif which == 1:
# test get_config_comment
# test case when key is present and not present
key = choose_key(present, configs['written'].comment_values)
if present:
correct = random.randint(0, 1)
value = configs['written'].comment_values[key]
if not correct:
value = value + '_wrong'
else:
correct = False
value = str(random.randint(0, 10))
v = boot_config.get_config_comment(key, value)
print "testing get_config_comment({},{}) => {}".format(key, value, v)
# get_config comment
self.assertTrue(v == (present and correct))
elif which == 2:
# test has_config_comment
# test case when key is present and not present
key = choose_key(present, configs['written'].comment_values)
v = boot_config.has_config_comment(key)
print "testing has_config_comment({}) => {}".format(key, v)
self.assertTrue(v == present)
elif which == 3:
# test copy_to
print "testing safe_mode_config_backup"
boot_config.safe_mode_backup_config()
# enable testing of restore
self.backup_config_exists = True
configs['backup'] = read_config(boot_config.boot_config_safemode_backup_path)
self.assertTrue(compare(configs['backup'], configs['written']))
# after a read, state should be at least locked.
self.assertTrue(boot_config._trans().state >= 1)
# after a read, config should be unmodified
after_read = read_config()
self.assertTrue(compare(configs['current'], after_read))
self.assertTrue(is_locked())
def test_read(configs):
# Test all read methods
# Check the result of the read against the 'written' config set.
which = random.randint(0, 3)
present = random.randint(0, 1) == 1
if which == 0:
# test get_config_value
key = choose_key(present, configs['written'].values)
# test case when key is present and not present
v = boot_config.get_config_value(key)
print "testing get_config_value({}) => {}".format(key, v)
if present:
self.assertEqual(v, configs['written'].values[key])
else:
self.assertEqual(v, 0)
elif which == 1:
# test get_config_comment
# test case when key is present and not present
key = choose_key(present, configs['written'].comment_values)
if present:
correct = random.randint(0, 1)
value = configs['written'].comment_values[key]
if not correct:
value = value + '_wrong'
else:
correct = False
value = str(random.randint(0, 10))
v = boot_config.get_config_comment(key, value)
print "testing get_config_comment({},{}) => {}".format(
key, value, v)
# get_config comment
self.assertTrue(v == (present and correct))
elif which == 2:
# test has_config_comment
# test case when key is present and not present
key = choose_key(present, configs['written'].comment_values)
v = boot_config.has_config_comment(key)
print "testing has_config_comment({}) => {}".format(key, v)
self.assertTrue(v == present)
elif which == 3:
# test copy_to
print "testing safe_mode_config_backup"
boot_config.safe_mode_backup_config()
# enable testing of restore
self.backup_config_exists = True
configs['backup'] = read_config(
boot_config.boot_config_safemode_backup_path)
self.assertTrue(compare(configs['backup'], configs['written']))
# after a read, state should be at least locked.
self.assertTrue(boot_config._trans().state >= 1)
# after a read, config should be unmodified
after_read = read_config()
self.assertTrue(compare(configs['current'], after_read))
self.assertTrue(is_locked())
#
# test_config.py
#
# Copyright (C) 2016 Kano Computing Ltd.
# License: http://www.gnu.org/licenses/gpl-2.0.txt GNU General Public License v2
#
# This script returns a value depending on whether the config.txt lock is available.
# 0 for no, 1 for yes
from kano_settings import boot_config
from kano.utils.file_operations import TimeoutException
import sys
boot_config.lock_timeout = 0.2
try:
boot_config.has_config_comment("foo")
print "Lock was unlocked"
sys.exit(0)
except TimeoutException:
print "Lock was locked"
sys.exit(1)