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# Copyright (C) 2016 Linaro Limited
#
# Author: Neil Williams <neil.williams@linaro.org>
#
# This file is part of LAVA Dispatcher.
#
# LAVA Dispatcher is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LAVA Dispatcher is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along
# with this program; if not, see <http://www.gnu.org/licenses>.
import os
import time
import pexpect
from lava_dispatcher.utils.constants import (
KERNEL_FREE_UNUSED_MSG, KERNEL_PANIC_MSG,
KERNEL_FREE_INIT_MSG
)
from lava_dispatcher.action import JobError
from lava_dispatcher.utils.messages import LinuxKernelMessages
from lava_dispatcher.test.test_basic import StdoutTestCase
class Kernel(object): # pylint: disable=too-few-public-methods
def __init__(self):
super().__init__()
self.existing_prompt = None
def run(self, prompt_list):
if not self.existing_prompt:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_kernel_prompts()
if isinstance(self.existing_prompt, list):
prompt_list.extend(self.existing_prompt)
else:
prompt_list.append(self.existing_prompt)
return prompt_list
class Child(Kernel): # pylint: disable=too-few-public-methods
def run(self, prompt_list):
if KERNEL_FREE_INIT_MSG in prompt_list:
index = prompt_list.index(KERNEL_FREE_INIT_MSG)
if len(prompt_list) > index:
index += 1
self.existing_prompt = prompt_list[index:]
else:
self.existing_prompt = prompt_list[:]
prompt_list = LinuxKernelMessages.get_init_prompts()
super().run(prompt_list)
return prompt_list
class FakeConnection(object): # pylint: disable=too-few-public-methods
def __init__(self, child, prompt_str):
super().__init__()
self.raw_connection = child
self.prompt_str = prompt_str
self.check_char = '#'
self.faketimeout = 30
self.connected = True
self.name = "fake-connection"
def sendline(self, s='', delay=0): # pylint: disable=invalid-name
pass
def force_prompt_wait(self, remaining=None): # pylint: disable=unused-argument
return self.wait()
def wait(self, max_end_time=None): # pylint: disable=unused-argument
ret = None
try:
ret = self.raw_connection.expect(self.prompt_str, timeout=self.faketimeout)
except pexpect.EOF:
pass
return ret
class TestBootMessages(StdoutTestCase): # pylint: disable=too-many-public-methods
def setUp(self):
super().setUp()
self.max_end_time = time.time() + 30
def test_existing_prompt(self):
kernel = Kernel()
prompt_list = kernel.run(['root@debian:'])
self.assertIn(KERNEL_FREE_INIT_MSG, prompt_list)
child = Child()
prompt_list = child.run(prompt_list)
self.assertNotIn(KERNEL_FREE_INIT_MSG, prompt_list)
def test_kernel_txt(self):
"""
The same logfile passes kernel boot and fails
to find init - so the panic needs to be caught by InitMessages
"""
logfile = os.path.join(os.path.dirname(__file__), 'kernel-panic.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[0][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[1][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[2][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[3][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[4][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[5][1], message_list)
connection = FakeConnection(child, message_list)
with self.assertRaises(JobError):
result = LinuxKernelMessages.parse_failures(connection, max_end_time=self.max_end_time)
def test_kernel_1(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-1.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection, max_end_time=self.max_end_time)
self.assertEqual(len(results), 1)
self.assertEqual(results[0],
{'message': 'kernel-messages',
'success': 'Freeing unused kernel memory'})
def test_kernel_2(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-2.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_kernel_prompts()
self.assertIsNotNone(message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[0][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[1][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[2][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[3][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[4][1], message_list)
self.assertIn(LinuxKernelMessages.MESSAGE_CHOICES[5][1], message_list)
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection, max_end_time=self.max_end_time)
self.assertEqual(len(list(results)), 14)
message_list = LinuxKernelMessages.get_init_prompts()
child = pexpect.spawn('cat', [logfile])
connection = FakeConnection(child, message_list)
results = LinuxKernelMessages.parse_failures(connection, max_end_time=self.max_end_time)
self.assertEqual(len(list(results)), 13)
def test_kernel_4(self):
logfile = os.path.join(os.path.dirname(__file__), 'kernel-4.txt')
self.assertTrue(os.path.exists(logfile))
child = pexpect.spawn('cat', [logfile])
message_list = LinuxKernelMessages.get_init_prompts()
self.assertIsNotNone(message_list)
connection = FakeConnection(child, message_list)
with self.assertRaises(JobError):
results = LinuxKernelMessages.parse_failures(connection, max_end_time=self.max_end_time)
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