test: unit test for semihosting
Provide a unit test for semihosting testing reading and writing a file.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
diff --git a/test/py/tests/test_semihosting/conftest.py b/test/py/tests/test_semihosting/conftest.py
new file mode 100644
index 0000000..b00d8f4
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+++ 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 0000000..51f6fa7
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+++ 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