mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-09-30 11:22:09 +00:00
93ad26264e
* assert does not need parentheses * add module docstring * fix misspelled constant True * limit lines to 100 characters Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
628 lines
20 KiB
Python
628 lines
20 KiB
Python
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (c) 2015 Stephen Warren
|
|
# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
|
|
|
|
"""
|
|
Test operation of shell commands relating to environment variables.
|
|
"""
|
|
|
|
import os
|
|
import os.path
|
|
from subprocess import call, CalledProcessError
|
|
import tempfile
|
|
|
|
import pytest
|
|
import u_boot_utils
|
|
|
|
# FIXME: This might be useful for other tests;
|
|
# perhaps refactor it into ConsoleBase or some other state object?
|
|
class StateTestEnv(object):
|
|
"""Container that represents the state of all U-Boot environment variables.
|
|
This enables quick determination of existant/non-existant variable
|
|
names.
|
|
"""
|
|
|
|
def __init__(self, u_boot_console):
|
|
"""Initialize a new StateTestEnv object.
|
|
|
|
Args:
|
|
u_boot_console: A U-Boot console.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
self.u_boot_console = u_boot_console
|
|
self.get_env()
|
|
self.set_var = self.get_non_existent_var()
|
|
|
|
def get_env(self):
|
|
"""Read all current environment variables from U-Boot.
|
|
|
|
Args:
|
|
None.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
if self.u_boot_console.config.buildconfig.get(
|
|
'config_version_variable', 'n') == 'y':
|
|
with self.u_boot_console.disable_check('main_signon'):
|
|
response = self.u_boot_console.run_command('printenv')
|
|
else:
|
|
response = self.u_boot_console.run_command('printenv')
|
|
self.env = {}
|
|
for l in response.splitlines():
|
|
if not '=' in l:
|
|
continue
|
|
(var, value) = l.split('=', 1)
|
|
self.env[var] = value
|
|
|
|
def get_existent_var(self):
|
|
"""Return the name of an environment variable that exists.
|
|
|
|
Args:
|
|
None.
|
|
|
|
Returns:
|
|
The name of an environment variable.
|
|
"""
|
|
|
|
for var in self.env:
|
|
return var
|
|
|
|
def get_non_existent_var(self):
|
|
"""Return the name of an environment variable that does not exist.
|
|
|
|
Args:
|
|
None.
|
|
|
|
Returns:
|
|
The name of an environment variable.
|
|
"""
|
|
|
|
n = 0
|
|
while True:
|
|
var = 'test_env_' + str(n)
|
|
if var not in self.env:
|
|
return var
|
|
n += 1
|
|
|
|
ste = None
|
|
@pytest.fixture(scope='function')
|
|
def state_test_env(u_boot_console):
|
|
"""pytest fixture to provide a StateTestEnv object to tests."""
|
|
|
|
global ste
|
|
if not ste:
|
|
ste = StateTestEnv(u_boot_console)
|
|
return ste
|
|
|
|
def unset_var(state_test_env, var):
|
|
"""Unset an environment variable.
|
|
|
|
This both executes a U-Boot shell command and updates a StateTestEnv
|
|
object.
|
|
|
|
Args:
|
|
state_test_env: The StateTestEnv object to update.
|
|
var: The variable name to unset.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
state_test_env.u_boot_console.run_command('setenv %s' % var)
|
|
if var in state_test_env.env:
|
|
del state_test_env.env[var]
|
|
|
|
def set_var(state_test_env, var, value):
|
|
"""Set an environment variable.
|
|
|
|
This both executes a U-Boot shell command and updates a StateTestEnv
|
|
object.
|
|
|
|
Args:
|
|
state_test_env: The StateTestEnv object to update.
|
|
var: The variable name to set.
|
|
value: The value to set the variable to.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
bc = state_test_env.u_boot_console.config.buildconfig
|
|
if bc.get('config_hush_parser', None):
|
|
quote = '"'
|
|
else:
|
|
quote = ''
|
|
if ' ' in value:
|
|
pytest.skip('Space in variable value on non-Hush shell')
|
|
|
|
state_test_env.u_boot_console.run_command(
|
|
'setenv %s %s%s%s' % (var, quote, value, quote))
|
|
state_test_env.env[var] = value
|
|
|
|
def validate_empty(state_test_env, var):
|
|
"""Validate that a variable is not set, using U-Boot shell commands.
|
|
|
|
Args:
|
|
var: The variable name to test.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
response = state_test_env.u_boot_console.run_command('echo ${%s}' % var)
|
|
assert response == ''
|
|
|
|
def validate_set(state_test_env, var, value):
|
|
"""Validate that a variable is set, using U-Boot shell commands.
|
|
|
|
Args:
|
|
var: The variable name to test.
|
|
value: The value the variable is expected to have.
|
|
|
|
Returns:
|
|
Nothing.
|
|
"""
|
|
|
|
# echo does not preserve leading, internal, or trailing whitespace in the
|
|
# value. printenv does, and hence allows more complete testing.
|
|
response = state_test_env.u_boot_console.run_command('printenv %s' % var)
|
|
assert response == ('%s=%s' % (var, value))
|
|
|
|
def test_env_echo_exists(state_test_env):
|
|
"""Test echoing a variable that exists."""
|
|
|
|
var = state_test_env.get_existent_var()
|
|
value = state_test_env.env[var]
|
|
validate_set(state_test_env, var, value)
|
|
|
|
@pytest.mark.buildconfigspec('cmd_echo')
|
|
def test_env_echo_non_existent(state_test_env):
|
|
"""Test echoing a variable that doesn't exist."""
|
|
|
|
var = state_test_env.set_var
|
|
validate_empty(state_test_env, var)
|
|
|
|
def test_env_printenv_non_existent(state_test_env):
|
|
"""Test printenv error message for non-existant variables."""
|
|
|
|
var = state_test_env.set_var
|
|
c = state_test_env.u_boot_console
|
|
with c.disable_check('error_notification'):
|
|
response = c.run_command('printenv %s' % var)
|
|
assert response == '## Error: "%s" not defined' % var
|
|
|
|
@pytest.mark.buildconfigspec('cmd_echo')
|
|
def test_env_unset_non_existent(state_test_env):
|
|
"""Test unsetting a nonexistent variable."""
|
|
|
|
var = state_test_env.get_non_existent_var()
|
|
unset_var(state_test_env, var)
|
|
validate_empty(state_test_env, var)
|
|
|
|
def test_env_set_non_existent(state_test_env):
|
|
"""Test set a non-existant variable."""
|
|
|
|
var = state_test_env.set_var
|
|
value = 'foo'
|
|
set_var(state_test_env, var, value)
|
|
validate_set(state_test_env, var, value)
|
|
|
|
def test_env_set_existing(state_test_env):
|
|
"""Test setting an existant variable."""
|
|
|
|
var = state_test_env.set_var
|
|
value = 'bar'
|
|
set_var(state_test_env, var, value)
|
|
validate_set(state_test_env, var, value)
|
|
|
|
@pytest.mark.buildconfigspec('cmd_echo')
|
|
def test_env_unset_existing(state_test_env):
|
|
"""Test unsetting a variable."""
|
|
|
|
var = state_test_env.set_var
|
|
unset_var(state_test_env, var)
|
|
validate_empty(state_test_env, var)
|
|
|
|
def test_env_expansion_spaces(state_test_env):
|
|
"""Test expanding a variable that contains a space in its value."""
|
|
|
|
var_space = None
|
|
var_test = None
|
|
try:
|
|
var_space = state_test_env.get_non_existent_var()
|
|
set_var(state_test_env, var_space, ' ')
|
|
|
|
var_test = state_test_env.get_non_existent_var()
|
|
value = ' 1${%(var_space)s}${%(var_space)s} 2 ' % locals()
|
|
set_var(state_test_env, var_test, value)
|
|
value = ' 1 2 '
|
|
validate_set(state_test_env, var_test, value)
|
|
finally:
|
|
if var_space:
|
|
unset_var(state_test_env, var_space)
|
|
if var_test:
|
|
unset_var(state_test_env, var_test)
|
|
|
|
@pytest.mark.buildconfigspec('cmd_importenv')
|
|
def test_env_import_checksum_no_size(state_test_env):
|
|
"""Test that omitted ('-') size parameter with checksum validation fails the
|
|
env import function.
|
|
"""
|
|
c = state_test_env.u_boot_console
|
|
ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console)
|
|
addr = '%08x' % ram_base
|
|
|
|
with c.disable_check('error_notification'):
|
|
response = c.run_command('env import -c %s -' % addr)
|
|
assert response == '## Error: external checksum format must pass size'
|
|
|
|
@pytest.mark.buildconfigspec('cmd_importenv')
|
|
def test_env_import_whitelist_checksum_no_size(state_test_env):
|
|
"""Test that omitted ('-') size parameter with checksum validation fails the
|
|
env import function when variables are passed as parameters.
|
|
"""
|
|
c = state_test_env.u_boot_console
|
|
ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console)
|
|
addr = '%08x' % ram_base
|
|
|
|
with c.disable_check('error_notification'):
|
|
response = c.run_command('env import -c %s - foo1 foo2 foo4' % addr)
|
|
assert response == '## Error: external checksum format must pass size'
|
|
|
|
@pytest.mark.buildconfigspec('cmd_exportenv')
|
|
@pytest.mark.buildconfigspec('cmd_importenv')
|
|
def test_env_import_whitelist(state_test_env):
|
|
"""Test importing only a handful of env variables from an environment."""
|
|
c = state_test_env.u_boot_console
|
|
ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console)
|
|
addr = '%08x' % ram_base
|
|
|
|
set_var(state_test_env, 'foo1', 'bar1')
|
|
set_var(state_test_env, 'foo2', 'bar2')
|
|
set_var(state_test_env, 'foo3', 'bar3')
|
|
|
|
c.run_command('env export %s' % addr)
|
|
|
|
unset_var(state_test_env, 'foo1')
|
|
set_var(state_test_env, 'foo2', 'test2')
|
|
set_var(state_test_env, 'foo4', 'bar4')
|
|
|
|
# no foo1 in current env, foo2 overridden, foo3 should be of the value
|
|
# before exporting and foo4 should be of the value before importing.
|
|
c.run_command('env import %s - foo1 foo2 foo4' % addr)
|
|
|
|
validate_set(state_test_env, 'foo1', 'bar1')
|
|
validate_set(state_test_env, 'foo2', 'bar2')
|
|
validate_set(state_test_env, 'foo3', 'bar3')
|
|
validate_set(state_test_env, 'foo4', 'bar4')
|
|
|
|
# Cleanup test environment
|
|
unset_var(state_test_env, 'foo1')
|
|
unset_var(state_test_env, 'foo2')
|
|
unset_var(state_test_env, 'foo3')
|
|
unset_var(state_test_env, 'foo4')
|
|
|
|
@pytest.mark.buildconfigspec('cmd_exportenv')
|
|
@pytest.mark.buildconfigspec('cmd_importenv')
|
|
def test_env_import_whitelist_delete(state_test_env):
|
|
|
|
"""Test importing only a handful of env variables from an environment, with.
|
|
deletion if a var A that is passed to env import is not in the
|
|
environment to be imported.
|
|
"""
|
|
c = state_test_env.u_boot_console
|
|
ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console)
|
|
addr = '%08x' % ram_base
|
|
|
|
set_var(state_test_env, 'foo1', 'bar1')
|
|
set_var(state_test_env, 'foo2', 'bar2')
|
|
set_var(state_test_env, 'foo3', 'bar3')
|
|
|
|
c.run_command('env export %s' % addr)
|
|
|
|
unset_var(state_test_env, 'foo1')
|
|
set_var(state_test_env, 'foo2', 'test2')
|
|
set_var(state_test_env, 'foo4', 'bar4')
|
|
|
|
# no foo1 in current env, foo2 overridden, foo3 should be of the value
|
|
# before exporting and foo4 should be empty.
|
|
c.run_command('env import -d %s - foo1 foo2 foo4' % addr)
|
|
|
|
validate_set(state_test_env, 'foo1', 'bar1')
|
|
validate_set(state_test_env, 'foo2', 'bar2')
|
|
validate_set(state_test_env, 'foo3', 'bar3')
|
|
validate_empty(state_test_env, 'foo4')
|
|
|
|
# Cleanup test environment
|
|
unset_var(state_test_env, 'foo1')
|
|
unset_var(state_test_env, 'foo2')
|
|
unset_var(state_test_env, 'foo3')
|
|
unset_var(state_test_env, 'foo4')
|
|
|
|
@pytest.mark.buildconfigspec('cmd_nvedit_info')
|
|
def test_env_info(state_test_env):
|
|
|
|
"""Test 'env info' command with all possible options.
|
|
"""
|
|
c = state_test_env.u_boot_console
|
|
|
|
response = c.run_command('env info')
|
|
nb_line = 0
|
|
for l in response.split('\n'):
|
|
if 'env_valid = ' in l:
|
|
assert '= invalid' in l or '= valid' in l or '= redundant' in l
|
|
nb_line += 1
|
|
elif 'env_ready =' in l or 'env_use_default =' in l:
|
|
assert '= true' in l or '= false' in l
|
|
nb_line += 1
|
|
else:
|
|
assert True
|
|
assert nb_line == 3
|
|
|
|
response = c.run_command('env info -p -d')
|
|
assert 'Default environment is used' in response or \
|
|
"Environment was loaded from persistent storage" in response
|
|
assert 'Environment can be persisted' in response or \
|
|
"Environment cannot be persisted" in response
|
|
|
|
response = c.run_command('env info -p -d -q')
|
|
assert response == ""
|
|
|
|
response = c.run_command('env info -p -q')
|
|
assert response == ""
|
|
|
|
response = c.run_command('env info -d -q')
|
|
assert response == ""
|
|
|
|
@pytest.mark.boardspec('sandbox')
|
|
@pytest.mark.buildconfigspec('cmd_nvedit_info')
|
|
@pytest.mark.buildconfigspec('cmd_echo')
|
|
def test_env_info_sandbox(state_test_env):
|
|
"""Test 'env info' command result with several options on sandbox
|
|
with a known ENV configuration: ready & default & persistent
|
|
"""
|
|
c = state_test_env.u_boot_console
|
|
|
|
response = c.run_command('env info')
|
|
assert 'env_ready = true' in response
|
|
assert 'env_use_default = true' in response
|
|
|
|
response = c.run_command('env info -p -d')
|
|
assert 'Default environment is used' in response
|
|
assert 'Environment cannot be persisted' in response
|
|
|
|
response = c.run_command('env info -d -q')
|
|
response = c.run_command('echo $?')
|
|
assert response == "0"
|
|
|
|
response = c.run_command('env info -p -q')
|
|
response = c.run_command('echo $?')
|
|
assert response == "1"
|
|
|
|
response = c.run_command('env info -d -p -q')
|
|
response = c.run_command('echo $?')
|
|
assert response == "1"
|
|
|
|
def mk_env_ext4(state_test_env):
|
|
|
|
"""Create a empty ext4 file system volume."""
|
|
c = state_test_env.u_boot_console
|
|
filename = 'env.ext4.img'
|
|
persistent = c.config.persistent_data_dir + '/' + filename
|
|
fs_img = c.config.result_dir + '/' + filename
|
|
|
|
if os.path.exists(persistent):
|
|
c.log.action('Disk image file ' + persistent + ' already exists')
|
|
else:
|
|
# Some distributions do not add /sbin to the default PATH, where mkfs.ext4 lives
|
|
os.environ["PATH"] += os.pathsep + '/sbin'
|
|
try:
|
|
u_boot_utils.run_and_log(c, 'dd if=/dev/zero of=%s bs=1M count=16' % persistent)
|
|
u_boot_utils.run_and_log(c, 'mkfs.ext4 %s' % persistent)
|
|
sb_content = u_boot_utils.run_and_log(c, 'tune2fs -l %s' % persistent)
|
|
if 'metadata_csum' in sb_content:
|
|
u_boot_utils.run_and_log(c, 'tune2fs -O ^metadata_csum %s' % persistent)
|
|
except CalledProcessError:
|
|
call('rm -f %s' % persistent, shell=True)
|
|
raise
|
|
|
|
u_boot_utils.run_and_log(c, ['cp', '-f', persistent, fs_img])
|
|
return fs_img
|
|
|
|
@pytest.mark.boardspec('sandbox')
|
|
@pytest.mark.buildconfigspec('cmd_echo')
|
|
@pytest.mark.buildconfigspec('cmd_nvedit_info')
|
|
@pytest.mark.buildconfigspec('cmd_nvedit_load')
|
|
@pytest.mark.buildconfigspec('cmd_nvedit_select')
|
|
@pytest.mark.buildconfigspec('env_is_in_ext4')
|
|
def test_env_ext4(state_test_env):
|
|
|
|
"""Test ENV in EXT4 on sandbox."""
|
|
c = state_test_env.u_boot_console
|
|
fs_img = ''
|
|
try:
|
|
fs_img = mk_env_ext4(state_test_env)
|
|
|
|
c.run_command('host bind 0 %s' % fs_img)
|
|
|
|
response = c.run_command('ext4ls host 0:0')
|
|
assert 'uboot.env' not in response
|
|
|
|
# force env location: EXT4 (prio 1 in sandbox)
|
|
response = c.run_command('env select EXT4')
|
|
assert 'Select Environment on EXT4: OK' in response
|
|
|
|
response = c.run_command('env save')
|
|
assert 'Saving Environment to EXT4' in response
|
|
|
|
response = c.run_command('env load')
|
|
assert 'Loading Environment from EXT4... OK' in response
|
|
|
|
response = c.run_command('ext4ls host 0:0')
|
|
assert '8192 uboot.env' in response
|
|
|
|
response = c.run_command('env info')
|
|
assert 'env_valid = valid' in response
|
|
assert 'env_ready = true' in response
|
|
assert 'env_use_default = false' in response
|
|
|
|
response = c.run_command('env info -p -d')
|
|
assert 'Environment was loaded from persistent storage' in response
|
|
assert 'Environment can be persisted' in response
|
|
|
|
response = c.run_command('env info -d -q')
|
|
assert response == ""
|
|
response = c.run_command('echo $?')
|
|
assert response == "1"
|
|
|
|
response = c.run_command('env info -p -q')
|
|
assert response == ""
|
|
response = c.run_command('echo $?')
|
|
assert response == "0"
|
|
|
|
response = c.run_command('env erase')
|
|
assert 'OK' in response
|
|
|
|
response = c.run_command('env load')
|
|
assert 'Loading Environment from EXT4... ' in response
|
|
assert 'bad CRC, using default environment' in response
|
|
|
|
response = c.run_command('env info')
|
|
assert 'env_valid = invalid' in response
|
|
assert 'env_ready = true' in response
|
|
assert 'env_use_default = true' in response
|
|
|
|
response = c.run_command('env info -p -d')
|
|
assert 'Default environment is used' in response
|
|
assert 'Environment can be persisted' in response
|
|
|
|
# restore env location: NOWHERE (prio 0 in sandbox)
|
|
response = c.run_command('env select nowhere')
|
|
assert 'Select Environment on nowhere: OK' in response
|
|
|
|
response = c.run_command('env load')
|
|
assert 'Loading Environment from nowhere... OK' in response
|
|
|
|
response = c.run_command('env info')
|
|
assert 'env_valid = invalid' in response
|
|
assert 'env_ready = true' in response
|
|
assert 'env_use_default = true' in response
|
|
|
|
response = c.run_command('env info -p -d')
|
|
assert 'Default environment is used' in response
|
|
assert 'Environment cannot be persisted' in response
|
|
|
|
finally:
|
|
if fs_img:
|
|
call('rm -f %s' % fs_img, shell=True)
|
|
|
|
def test_env_text(u_boot_console):
|
|
"""Test the script that converts the environment to a text file"""
|
|
|
|
def check_script(intext, expect_val):
|
|
"""Check a test case
|
|
|
|
Args:
|
|
intext: Text to pass to the script
|
|
expect_val: Expected value of the CONFIG_EXTRA_ENV_TEXT string, or
|
|
None if we expect it not to be defined
|
|
"""
|
|
with tempfile.TemporaryDirectory() as path:
|
|
fname = os.path.join(path, 'infile')
|
|
with open(fname, 'w') as inf:
|
|
print(intext, file=inf)
|
|
result = u_boot_utils.run_and_log(cons, ['awk', '-f', script, fname])
|
|
if expect_val is not None:
|
|
expect = '#define CONFIG_EXTRA_ENV_TEXT "%s"\n' % expect_val
|
|
assert result == expect
|
|
else:
|
|
assert result == ''
|
|
|
|
cons = u_boot_console
|
|
script = os.path.join(cons.config.source_dir, 'scripts', 'env2string.awk')
|
|
|
|
# simple script with a single var
|
|
check_script('fred=123', 'fred=123\\0')
|
|
|
|
# no vars
|
|
check_script('', None)
|
|
|
|
# two vars
|
|
check_script('''fred=123
|
|
ernie=456''', 'fred=123\\0ernie=456\\0')
|
|
|
|
# blank lines
|
|
check_script('''fred=123
|
|
|
|
|
|
ernie=456
|
|
|
|
''', 'fred=123\\0ernie=456\\0')
|
|
|
|
# append
|
|
check_script('''fred=123
|
|
ernie=456
|
|
fred+= 456''', 'fred=123 456\\0ernie=456\\0')
|
|
|
|
# append from empty
|
|
check_script('''fred=
|
|
ernie=456
|
|
fred+= 456''', 'fred= 456\\0ernie=456\\0')
|
|
|
|
# variable with + in it
|
|
check_script('fred+ernie=123', 'fred+ernie=123\\0')
|
|
|
|
# ignores variables that are empty
|
|
check_script('''fred=
|
|
fred+=
|
|
ernie=456''', 'ernie=456\\0')
|
|
|
|
# single-character env name
|
|
check_script('''f=123
|
|
e=456
|
|
f+= 456''', 'e=456\\0f=123 456\\0')
|
|
|
|
# contains quotes
|
|
check_script('''fred="my var"
|
|
ernie=another"''', 'fred=\\"my var\\"\\0ernie=another\\"\\0')
|
|
|
|
# variable name ending in +
|
|
check_script('''fred\\+=my var
|
|
fred++= again''', 'fred+=my var again\\0')
|
|
|
|
# variable name containing +
|
|
check_script('''fred+jane=both
|
|
fred+jane+=again
|
|
ernie=456''', 'fred+jane=bothagain\\0ernie=456\\0')
|
|
|
|
# multi-line vars - new vars always start at column 1
|
|
check_script('''fred=first
|
|
second
|
|
\tthird with tab
|
|
|
|
after blank
|
|
confusing=oops
|
|
ernie=another"''', 'fred=first second third with tab after blank confusing=oops\\0ernie=another\\"\\0')
|
|
|
|
# real-world example
|
|
check_script('''ubifs_boot=
|
|
env exists bootubipart ||
|
|
env set bootubipart UBI;
|
|
env exists bootubivol ||
|
|
env set bootubivol boot;
|
|
if ubi part ${bootubipart} &&
|
|
ubifsmount ubi${devnum}:${bootubivol};
|
|
then
|
|
devtype=ubi;
|
|
run scan_dev_for_boot;
|
|
fi
|
|
''',
|
|
'ubifs_boot=env exists bootubipart || env set bootubipart UBI; '
|
|
'env exists bootubivol || env set bootubivol boot; '
|
|
'if ubi part ${bootubipart} && ubifsmount ubi${devnum}:${bootubivol}; '
|
|
'then devtype=ubi; run scan_dev_for_boot; fi\\0')
|