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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'
persistent = u_boot_console.config.persistent_data_dir + '/' + filename
self.path = u_boot_console.config.result_dir + '/' + filename
if os.path.exists(persistent):
u_boot_console.log.action('Disk image file ' + persistent +
' already exists')
else:
u_boot_console.log.action('Generating ' + persistent)
fd = os.open(persistent, os.O_RDWR | os.O_CREAT)
os.ftruncate(fd, 4194304)
os.close(fd)
cmd = ('sgdisk', '-U', '375a56f7-d6c9-4e81-b5f0-09d41ca89efe',
persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--new=1:2048:2560', '-c 1:part1', persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--new=2:4096:4608', '-c 2:part2', persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '-l', persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('cp', persistent, 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.buildconfigspec('cmd_part')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_read(state_disk_image, u_boot_console):
"""Test the gpt read command."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('gpt read host 0')
assert 'Start 1MiB, size 0MiB' in output
assert 'Block size 512, name part1' in output
assert 'Start 2MiB, size 0MiB' in output
assert 'Block size 512, name part2' in output
output = u_boot_console.run_command('part list host 0')
assert '0x00000800 0x00000a00 "part1"' in output
assert '0x00001000 0x00001200 "part2"' in output
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_verify(state_disk_image, u_boot_console):
"""Test the gpt verify command."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('gpt verify host 0')
assert 'Verify GPT: success!' in output
@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
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('cmd_gpt')
@pytest.mark.buildconfigspec('cmd_part')
@pytest.mark.requiredtool('sgdisk')
def test_gpt_write(state_disk_image, u_boot_console):
"""Test the gpt write command."""
u_boot_console.run_command('host bind 0 ' + state_disk_image.path)
output = u_boot_console.run_command('gpt write host 0 "name=all,size=0"')
assert 'Writing GPT: success!' in output
output = u_boot_console.run_command('part list host 0')
assert '0x00000022 0x00001fde "all"' in output
output = u_boot_console.run_command('gpt write host 0 "uuid_disk=375a56f7-d6c9-4e81-b5f0-09d41ca89efe;name=first,start=0x100000,size=0x40200;name=second,start=0x200000,size=0x40200;"')
assert 'Writing GPT: success!' in output
output = u_boot_console.run_command('part list host 0')
assert '0x00000800 0x00000a00 "first"' in output
assert '0x00001000 0x00001200 "second"' in output
output = u_boot_console.run_command('gpt guid host 0')
assert '375a56f7-d6c9-4e81-b5f0-09d41ca89efe' in output
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