1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
# SPDX-License-Identifier: GPL-2.0
# (C) Copyright 2018 Texas Instruments, <www.ti.com>
# Test A/B update commands.
import os
import pytest
import u_boot_utils
class ABTestDiskImage(object):
"""Disk Image used by the A/B tests."""
def __init__(self, u_boot_console):
"""Initialize a new ABTestDiskImage object.
Args:
u_boot_console: A U-Boot console.
Returns:
Nothing.
"""
filename = 'test_ab_disk_image.bin'
persistent = u_boot_console.config.persistent_data_dir + '/' + filename
self.path = u_boot_console.config.result_dir + '/' + filename
with u_boot_utils.persistent_file_helper(u_boot_console.log, persistent):
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, 524288)
os.close(fd)
cmd = ('sgdisk', persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--new=1:64:512', '--change-name=1:misc',
persistent)
u_boot_utils.run_and_log(u_boot_console, cmd)
cmd = ('sgdisk', '--load-backup=' + 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)
di = None
@pytest.fixture(scope='function')
def ab_disk_image(u_boot_console):
global di
if not di:
di = ABTestDiskImage(u_boot_console)
return di
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('android_ab')
@pytest.mark.buildconfigspec('cmd_ab_select')
@pytest.mark.requiredtool('sgdisk')
def test_ab(ab_disk_image, u_boot_console):
"""Test the 'ab_select' command."""
u_boot_console.run_command('host bind 0 ' + ab_disk_image.path)
output = u_boot_console.run_command('ab_select slot_name host 0#misc')
assert 're-initializing A/B metadata' in output
assert 'Attempting slot a, tries remaining 7' in output
output = u_boot_console.run_command('printenv slot_name')
assert 'slot_name=a' in output
output = u_boot_console.run_command('ab_select slot_name host 0:1')
assert 'Attempting slot b, tries remaining 7' in output
output = u_boot_console.run_command('printenv slot_name')
assert 'slot_name=b' in output
|
