tests: unittest: Added unittests for ble_nus

Added unit tests for subsys ble_nus

Signed-off-by: Martin Engesvold <[email protected]>

Author: marenges

CODEOWNERS

@@ -91,6 +91,7 @@
 /tests/lib/ble_racp/                      @nrfconnect/ncs-bm
 /tests/lib/ble_adv/                       @nrfconnect/ncs-bm-test
 /tests/lib/bm_storage/                    @nrfconnect/ncs-bm
+/tests/subsys/bluetooth/services/ble_nus/ @nrfconnect/ncs-bm @nrfconnect/ncs-bm-test
 
 # Zephyr module
 /zephyr/                                  @nrfconnect/ncs-co-build-system

tests/subsys/bluetooth/services/ble_nus/CMakeLists.txt

@@ -0,0 +1,44 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(unit_test_ble_nus)
+
+set(SOFTDEVICE_VARIANT "s115")
+set(SOFTDEVICE_INCLUDE_DIR
+  "${ZEPHYR_NRF_BM_MODULE_DIR}/components/softdevice/\
+${SOFTDEVICE_VARIANT}/${SOFTDEVICE_VARIANT}_API/include"
+)
+
+cmock_handle(${SOFTDEVICE_INCLUDE_DIR}/ble.h)
+cmock_handle(${SOFTDEVICE_INCLUDE_DIR}/ble_gatts.h)
+cmock_handle(${ZEPHYR_NRF_BM_MODULE_DIR}/include/nrf_sdh_ble.h)
+
+target_compile_definitions(app PRIVATE
+  NRF54L15_XXAA
+  SVCALL_AS_NORMAL_FUNCTION
+  SUPPRESS_INLINE_IMPLEMENTATION
+  CONFIG_NRF_SDH_BLE_GATT_MAX_MTU_SIZE=498
+  CONFIG_NRF_SDH_BLE_TOTAL_LINK_COUNT=3
+)
+
+target_include_directories(app PRIVATE
+  ${ZEPHYR_NRF_BM_MODULE_DIR}/include
+  ${SOFTDEVICE_INCLUDE_DIR}
+  ${ZEPHYR_HAL_NORDIC_MODULE_DIR}/nrfx/mdk
+)
+
+# Generate and add test file
+test_runner_generate(src/unity_test.c)
+target_sources(app PRIVATE src/unity_test.c)
+
+# Unit under test
+target_sources(app PRIVATE
+  ${ZEPHYR_NRF_BM_MODULE_DIR}/subsys/bluetooth/services/ble_nus/nus.c
+)

tests/subsys/bluetooth/services/ble_nus/prj.conf

@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+CONFIG_UNITY=y