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# Copyright (c) 2017 Alison Chaiken
# Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0
# Test GPT manipulation commands.
import os
import pytest
import u_boot_utils
"""
These tests rely on a 4 MB disk image, which is automatically created by
the test.
"""
class GptTestDiskImage(object):
"""Disk Image used by the GPT tests."""
def __init__(self, u_boot_console):
"""Initialize a new GptTestDiskImage object.
Args:
u_boot_console: A U-Boot console.
Returns:
Nothing.
"""
filename = 'test_gpt_disk_image.bin'
self.path = u_boot_console.config.persistent_data_dir + '/' + filename
if os.path.exists(self.path):
u_boot_console.log.action('Disk image file ' + self.path +
' already exists')
else:
u_boot_console.log.action('Generating ' + self.path)
fd = os.open(self.path, os.O_RDWR | os.O_CREAT)
os.ftruncate(fd, 4194304)
os.close(fd)
cmd = ('sgdisk', '-U', '375a56f7-d6c9-4e81-b5f0-09d41ca89efe',
self.path)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--new=1:2048:2560', self.path)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--new=2:4096:4608', self.path)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '-l', self.path)
u_boot_utils.run_and_log(u_boot_console, cmd)
gtdi = None
@pytest.fixture(scope='function')
def state_disk_image(u_boot_console):
"""pytest fixture to provide a GptTestDiskImage object to tests.
This is function-scoped because it uses u_boot_console, which is also
function-scoped. However, we don't need to actually do any function-scope
work, so this simply returns the same object over and over each time."""
global gtdi
if not gtdi:
gtdi = GptTestDiskImage(u_boot_console)
return gtdi
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_guid(state_disk_image, u_boot_console):
"""Test the gpt guid command."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('gpt guid host 0')
assert '375a56f7-d6c9-4e81-b5f0-09d41ca89efe' in output
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_save_guid(state_disk_image, u_boot_console):
"""Test the gpt guid command to save GUID into a string."""
if u_boot_console.config.buildconfig.get('config_cmd_gpt', 'n') != 'y':
pytest.skip('gpt command not supported')
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('gpt guid host 0 newguid')
output = u_boot_console.run_command('printenv newguid')
assert '375a56f7-d6c9-4e81-b5f0-09d41ca89efe' in output
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.buildconfigspec('cmd_gpt_rename')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_rename_partition(state_disk_image, u_boot_console):
"""Test the gpt rename command to write partition names."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
u_boot_console.run_command('gpt rename host 0 1 first')
output = u_boot_console.run_command('gpt read host 0')
assert 'name first' in output
u_boot_console.run_command('gpt rename host 0 2 second')
output = u_boot_console.run_command('gpt read host 0')
assert 'name second' in output
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.buildconfigspec('cmd_gpt_rename')
@pytest.mark.buildconfigspec('cmd_part')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_swap_partitions(state_disk_image, u_boot_console):
"""Test the gpt swap command to exchange two partition names."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('part list host 0')
assert '0x000007ff "first"' in output
assert '0x000017ff "second"' in output
u_boot_console.run_command('gpt swap host 0 first second')
output = u_boot_console.run_command('part list host 0')
assert '0x000007ff "second"' in output
assert '0x000017ff "first"' in output
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