samples: mpu_test: verify sample using pytest

Verify sample using pytest instead of just building the sample.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

samples/arch/mpu/mpu_test/pytest/test_mpu.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import logging
+import pytest
+import re
+from twister_harness import Shell
+
+logger = logging.getLogger(__name__)
+
+TESTDATA = [
+    ('mpu mtest 1', 'The value is: 0x.*'),
+    ('mpu mtest 2', 'The value is: 0x.*'),
+]
+@pytest.mark.parametrize('command,expected', TESTDATA)
+def test_shell_harness(shell: Shell, command, expected):
+    logger.info('send "help" command')
+    lines = shell.exec_command(command)
+    match = False
+    for line in lines:
+        if re.match(expected, line):
+            match = True
+            break
+
+    assert match, 'expected response not found'
+    logger.info('response is valid')

samples/arch/mpu/mpu_test/sample.yaml

@@ -4,5 +4,6 @@ tests:
   sample.mpu.mpu_test:
     arch_allow: arm
     filter: CONFIG_CPU_HAS_MPU and not CONFIG_ARM64
-    tags: mpu
-    harness: keyboard
+    tags:
+      - mpu
+    harness: pytest