samples: added sample to demonstrate new Twister feature.

Added sample to demonstrate shared app mechanism added
to Twister.

Signed-off-by: Grzegorz Chwierut <[email protected]>

Author: gchwier

samples/subsys/testsuite/shared_app/CMakeLists.txt

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(shared_app_with_own_image)
+
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

samples/subsys/testsuite/shared_app/prj.conf

@@ -0,0 +1,5 @@
+CONFIG_PRINTK=y
+CONFIG_SHELL=y
+CONFIG_LOG=y
+CONFIG_SHELL_BACKEND_SERIAL=y
+CONFIG_KERNEL_SHELL=y

samples/subsys/testsuite/shared_app/pytest/test_shared_app.py

@@ -0,0 +1,23 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import logging
+from pathlib import Path
+
+from twister_harness import DeviceAdapter, Shell
+
+logger = logging.getLogger(__name__)
+
+
+def test_shell_is_ready(shell: Shell):
+    # wait_for_prompt is called from shell fixture, so if passed, shell is ready to use
+    assert True
+
+
+def test_second_app_is_found(dut: DeviceAdapter, shell: Shell, required_images):
+    logger.info(f"Required images: {required_images}")
+    assert required_images
+    assert Path(required_images[0]).is_dir()
+    assert Path(Path(required_images[0]) / 'build.log').exists()

samples/subsys/testsuite/shared_app/src/main.c

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+int main(void)
+{
+	return 0;
+}

samples/subsys/testsuite/shared_app/testcase.yaml

@@ -0,0 +1,36 @@
+common:
+  filter: CONFIG_SERIAL and dt_chosen_enabled("zephyr,shell-uart")
+  min_ram: 40
+  extra_configs:
+    - arch:posix:CONFIG_NATIVE_UART_0_ON_STDINOUT=y
+  integration_platforms:
+    - native_sim
+tests:
+  sample.shared.build_only:
+    build_only: true
+  sample.shared.with_own_image.pytest:
+    required_images:
+      - sample.shared.build_only
+    harness: pytest
+    harness_config:
+      pytest_dut_scope: module
+    tags: pytest shared
+  sample.shared.no_own_image.pytest:
+    no_own_image: true
+    required_images:
+      - sample.shared.with_own_image.pytest
+      - sample.shared.build_only
+    harness: pytest
+    harness_config:
+      pytest_dut_scope: module
+    tags: pytest shared
+  sample.shared.no_own_image.helloworld:
+    no_own_image: true
+    required_images:
+      - sample.basic.helloworld
+    harness: console
+    harness_config:
+      type: one_line
+      regex:
+        - "Hello World! (.*)"
+    tags: shared