mirror of
https://github.com/AsahiLinux/u-boot
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76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
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# SPDX-License-Identifier: GPL-2.0
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# (C) Copyright 2018 Texas Instruments, <www.ti.com>
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# Test A/B update commands.
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import os
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import pytest
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import u_boot_utils
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class ABTestDiskImage(object):
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"""Disk Image used by the A/B tests."""
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def __init__(self, u_boot_console):
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"""Initialize a new ABTestDiskImage object.
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Args:
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u_boot_console: A U-Boot console.
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Returns:
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Nothing.
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"""
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filename = 'test_ab_disk_image.bin'
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persistent = u_boot_console.config.persistent_data_dir + '/' + filename
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self.path = u_boot_console.config.result_dir + '/' + filename
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with u_boot_utils.persistent_file_helper(u_boot_console.log, persistent):
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if os.path.exists(persistent):
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u_boot_console.log.action('Disk image file ' + persistent +
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' already exists')
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else:
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u_boot_console.log.action('Generating ' + persistent)
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fd = os.open(persistent, os.O_RDWR | os.O_CREAT)
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os.ftruncate(fd, 524288)
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os.close(fd)
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cmd = ('sgdisk', persistent)
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u_boot_utils.run_and_log(u_boot_console, cmd)
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cmd = ('sgdisk', '--new=1:64:512', '--change-name=1:misc',
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persistent)
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u_boot_utils.run_and_log(u_boot_console, cmd)
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cmd = ('sgdisk', '--load-backup=' + persistent)
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u_boot_utils.run_and_log(u_boot_console, cmd)
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cmd = ('cp', persistent, self.path)
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u_boot_utils.run_and_log(u_boot_console, cmd)
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di = None
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@pytest.fixture(scope='function')
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def ab_disk_image(u_boot_console):
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global di
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if not di:
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di = ABTestDiskImage(u_boot_console)
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return di
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@pytest.mark.boardspec('sandbox')
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@pytest.mark.buildconfigspec('android_ab')
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@pytest.mark.buildconfigspec('cmd_ab_select')
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@pytest.mark.requiredtool('sgdisk')
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def test_ab(ab_disk_image, u_boot_console):
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"""Test the 'ab_select' command."""
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u_boot_console.run_command('host bind 0 ' + ab_disk_image.path)
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output = u_boot_console.run_command('ab_select slot_name host 0#misc')
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assert 're-initializing A/B metadata' in output
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assert 'Attempting slot a, tries remaining 7' in output
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output = u_boot_console.run_command('printenv slot_name')
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assert 'slot_name=a' in output
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output = u_boot_console.run_command('ab_select slot_name host 0:1')
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assert 'Attempting slot b, tries remaining 7' in output
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output = u_boot_console.run_command('printenv slot_name')
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assert 'slot_name=b' in output
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