Provide a unit test for semihosting testing reading and writing a file.

Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- test/py/tests/test_semihosting/conftest.py | 23 +++++++++++++ test/py/tests/test_semihosting/test_hostfs.py | 33 +++++++++++++++++++ 2 files changed, 56 insertions(+) create mode 100644 test/py/tests/test_semihosting/conftest.py create mode 100644 test/py/tests/test_semihosting/test_hostfs.py

diff --git a/test/py/tests/test_semihosting/conftest.py b/test/py/tests/test_semihosting/conftest.py new file mode 100644 index 0000000000..b00d8f4ea9 --- /dev/null +++ b/test/py/tests/test_semihosting/conftest.py @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0-or-later + +"""Fixture for semihosting command test +""" + +import os +import pytest + +@pytest.fixture(scope='session') +def semihosting_data(u_boot_config): + """Set up a file system to be used in semihosting tests + + Args: + u_boot_config -- U-Boot configuration. + """ + image_path = u_boot_config.persistent_data_dir + '/semihosting.txt' + + with open(image_path, 'w', encoding = 'utf-8') as file: + file.write('Das U-Boot\n') + + yield image_path + + os.remove(image_path) diff --git a/test/py/tests/test_semihosting/test_hostfs.py b/test/py/tests/test_semihosting/test_hostfs.py new file mode 100644 index 0000000000..9c5ad0dc9f --- /dev/null +++ b/test/py/tests/test_semihosting/test_hostfs.py @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: GPL-2.0+ + +""" Unit test for semihosting +""" + +import pytest + +@pytest.mark.buildconfigspec('semihosting') +def test_semihosting_hostfs(u_boot_console, semihosting_data): + """ Unit test for semihosting + + Args: + u_boot_console -- U-Boot console + semihosting_data -- Path to the disk image used for testing. + """ + response = u_boot_console.run_command( + f'load hostfs - $loadaddr {semihosting_data}') + assert '11 bytes read' in response + + response = u_boot_console.run_command( + 'crc32 $loadaddr $filesize') + assert '==> 60cfccfc' in response + + u_boot_console.run_command( + f'save hostfs - $loadaddr {semihosting_data} 11 11') + + response = u_boot_console.run_command( + f'load hostfs - $loadaddr {semihosting_data} 4 13') + assert '4 bytes read' in response + + response = u_boot_console.run_command( + 'crc32 $loadaddr $filesize') + assert '==> e29063ea' in response