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# SPDX-License-Identifier: GPL-2.0+
# Copyright 2026 Free Mobile - Vincent Jardin
"""Regression test for `load sandbox - <addr> <file>`.
Exercises the null_dev_desc_ok dispatch added in
"fs: dispatch null_dev_desc_ok filesystems before block lookup".
It is the counterpart of test_load_semihosting.py
"""
import os
import pytest
@pytest.fixture(scope='session')
def sandbox_fixture(u_boot_config):
"""Host-staged fixture file read by `load sandbox`."""
path = os.path.join(u_boot_config.persistent_data_dir,
'sandbox-fstype.txt')
with open(path, 'w', encoding='utf-8') as f:
f.write('Das U-Boot\n') # 11 bytes, same as test_hostfs.py / semihosting
yield path
os.remove(path)
@pytest.mark.boardspec('sandbox')
def test_sandbox_load(ubman, sandbox_fixture):
"""Run `load sandbox - <addr> <file>` and check the bytes."""
response = ubman.run_command(
f'load sandbox - $loadaddr {sandbox_fixture}')
# Fixture is "Das U-Boot\n" (11 bytes).
assert '11 bytes read' in response
# crc32("Das U-Boot\n") -- identical to the semihosting / hostfs checks.
response = ubman.run_command('crc32 $loadaddr $filesize')
assert '==> 60cfccfc' in response
@pytest.mark.boardspec('sandbox')
def test_sandbox_load_offset(ubman, sandbox_fixture):
"""Run the [bytes] [pos] variant through the same dispatch."""
response = ubman.run_command(
f'load sandbox - $loadaddr {sandbox_fixture} 4 6')
# bytes=4 pos=6 over "Das U-Boot\n" -> "Boot".
assert '4 bytes read' in response
# crc32("Boot")
response = ubman.run_command('crc32 $loadaddr $filesize')
assert '==> e6df01fa' in response
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