tests: Bluetooth: Add BT Tester GAP smoke test

tests/bluetooth/tester/Kconfig.sysbuild

@@ -7,6 +7,7 @@ config NET_CORE_BOARD
 	string
 	default "nrf5340dk/nrf5340/cpunet" if "$(BOARD)" = "nrf5340dk"
 	default "nrf5340_audio_dk/nrf5340/cpunet" if "$(BOARD)" = "nrf5340_audio_dk"
+	default "nrf5340bsim/nrf5340/cpunet" if $(BOARD_TARGET_STRING) = "NRF5340BSIM_NRF5340_CPUAPP"
 
 config NET_CORE_IMAGE_HCI_IPC
 	bool "HCI IPC image on network core"

tests/bluetooth/tester/boards/nrf52_bsim.conf

@@ -0,0 +1,15 @@
+# CONFIG_TEST enforces minimal logging, which we don't want
+CONFIG_TEST=n
+
+CONFIG_ASSERT=y
+CONFIG_THREAD_NAME=y
+
+CONFIG_LOG=y
+CONFIG_LOG_BACKEND_SHOW_COLOR=y
+CONFIG_LOG_FUNC_NAME_PREFIX_ERR=y
+CONFIG_LOG_FUNC_NAME_PREFIX_WRN=y
+
+CONFIG_LOG_DEFAULT_LEVEL=3
+CONFIG_BTTESTER_LOG_LEVEL_DBG=y
+
+CONFIG_UART_PIPE=n

tests/bluetooth/tester/boards/nrf52_bsim.overlay

@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&uart0 {
+	hw-flow-control;
+};

tests/bluetooth/tester/boards/nrf5340bsim_nrf5340_cpuapp.conf

@@ -0,0 +1,18 @@
+# CONFIG_TEST enforces minimal logging, which we don't want
+CONFIG_TEST=n
+
+CONFIG_ASSERT=y
+CONFIG_THREAD_NAME=y
+
+CONFIG_LOG=y
+CONFIG_LOG_BACKEND_SHOW_COLOR=y
+CONFIG_LOG_FUNC_NAME_PREFIX_ERR=y
+CONFIG_LOG_FUNC_NAME_PREFIX_WRN=y
+
+CONFIG_LOG_DEFAULT_LEVEL=3
+CONFIG_BTTESTER_LOG_LEVEL_DBG=y
+
+CONFIG_UART_PIPE=n
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+CONFIG_SERIAL=y

tests/bluetooth/tester/boards/nrf5340bsim_nrf5340_cpuapp.overlay

@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	hw-flow-control;
+};

tests/bluetooth/tester/src/btp/btp.h

@@ -7,6 +7,9 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#ifndef TESTS_BLUETOOTH_TESTER_SRC_BTP_
+#define TESTS_BLUETOOTH_TESTER_SRC_BTP_
+
 #include <zephyr/sys/util.h>
 #include <zephyr/bluetooth/addr.h>
 
@@ -87,6 +90,8 @@
 
 #define BTP_STATUS_VAL(err) (err) ? BTP_STATUS_FAILED : BTP_STATUS_SUCCESS
 
+#define BTP_EVENT_OPCODE 0x80
+
 /* TODO indicate delay response, should be removed when all commands are
  * converted to cmd+status+ev pattern
  */
@@ -104,3 +109,5 @@ struct btp_hdr {
 struct btp_status {
 	uint8_t code;
 } __packed;
+
+#endif /* TESTS_BLUETOOTH_TESTER_SRC_BTP_ */

tests/bluetooth/tester/testcase.yaml

@@ -1,3 +1,7 @@
+common:
+  build_only: true
+  tags: bluetooth
+
 tests:
   bluetooth.general.tester:
     build_only: true
@@ -7,6 +11,12 @@ tests:
       - nrf52840dk/nrf52840
     tags: bluetooth
     harness: bluetooth
+  bluetooth.general.tester_bsim:
+    platform_allow:
+      - nrf52_bsim/native
+    harness: bsim
+    harness_config:
+      bsim_exe_name: tests_bluetooth_tester_prj_conf
   bluetooth.general.tester.nxp:
     # Disabling monolithic since CI environment doesn't use blobs
     build_only: true
@@ -30,6 +40,16 @@ tests:
       - EXTRA_CONF_FILE="hci_ipc.conf"
     tags: bluetooth
     sysbuild: true
+  bluetooth.general.tester_hci_ipc_bsim:
+    platform_allow:
+      - nrf5340bsim/nrf5340/cpuapp
+    harness: bsim
+    harness_config:
+      bsim_exe_name: tests_bluetooth_tester_prj_conf
+    extra_args:
+      # Build config used by AutoPTS for nRF53
+      - EXTRA_CONF_FILE="hci_ipc.conf"
+    sysbuild: true
   bluetooth.general.tester_le_audio:
     build_only: true
     platform_allow:

tests/bsim/bluetooth/compile.nrf5340bsim_nrf5340_cpuapp.sh

@@ -13,6 +13,7 @@ export BOARD="${BOARD:-nrf5340bsim/nrf5340/cpuapp}"
 source ${ZEPHYR_BASE}/tests/bsim/compile.source
 
 ${ZEPHYR_BASE}/tests/bsim/bluetooth/host/compile.sh
+${ZEPHYR_BASE}/tests/bsim/bluetooth/tester/compile.sh
 
 app=tests/bsim/bluetooth/ll/conn conf_file=prj_split_privacy.conf sysbuild=1  compile
 app=tests/bsim/bluetooth/ll/throughput sysbuild=1 compile

tests/bsim/bluetooth/compile.sh

@@ -24,5 +24,6 @@ ${ZEPHYR_BASE}/tests/bsim/bluetooth/samples/compile.sh
 if [ ${BOARD} == "nrf52_bsim/native" ]; then
 	${ZEPHYR_BASE}/tests/bsim/bluetooth/hci_uart/compile.sh
 fi
+${ZEPHYR_BASE}/tests/bsim/bluetooth/tester/compile.sh
 
 wait_for_background_jobs

tests/bsim/bluetooth/tester/CMakeLists.txt

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(tester_bsim)
+
+# This contains babblesim-specific helpers, e.g. device synchronization.
+add_subdirectory(${ZEPHYR_BASE}/tests/bsim/babblekit babblekit)
+target_link_libraries(app PRIVATE babblekit)
+
+zephyr_include_directories(
+  ${BSIM_COMPONENTS_PATH}/libUtilv1/src/
+  ${BSIM_COMPONENTS_PATH}/libPhyComv1/src/
+  )
+
+zephyr_include_directories(
+  src/
+  ${ZEPHYR_BASE}/tests/bluetooth/tester/src
+  ${ZEPHYR_BASE}/tests/bluetooth/tester/src/btp
+  ${ZEPHYR_BASE}/tests/bluetooth/tester/src/audio/btp
+)
+
+target_sources(app PRIVATE
+  src/bsim_btp.c
+  src/test_main.c
+  src/host/gap_central.c
+  src/host/gap_peripheral.c
+)

tests/bsim/bluetooth/tester/Kconfig

@@ -0,0 +1,8 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+module = BSIM_BTTESTER
+module-str = bsim_bttester
+source "subsys/logging/Kconfig.template.log_config"
+
+source "Kconfig.zephyr"

tests/bsim/bluetooth/tester/boards/nrf52_bsim.overlay

@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&uart0 {
+	hw-flow-control;
+};

tests/bsim/bluetooth/tester/compile.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Copyright 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+# Compile all the applications needed by the bsim tests in these subfolders
+
+#set -x #uncomment this line for debugging
+set -ue
+
+source ${ZEPHYR_BASE}/tests/bsim/compile.source
+
+: "${ZEPHYR_BASE:?ZEPHYR_BASE must be set to point to the zephyr root directory}"
+
+# We only want to build the tests/bsim/bluetooth/tester/ application for the nrf52_bsim/native board
+# as we do not gain anything from running this application for the nrf5340bsim_nrf5340_cpuapp and
+# it is not worth the added complexity to run it with anything but nrf52_bsim/native
+west twister -T ${ZEPHYR_BASE}/tests/bsim/bluetooth/tester/
+
+west twister -p ${BOARD} -T ${ZEPHYR_BASE}/tests/bluetooth/tester/
+
+wait_for_background_jobs

tests/bsim/bluetooth/tester/prj.conf

@@ -0,0 +1,14 @@
+CONFIG_ASSERT=y
+CONFIG_THREAD_NAME=y
+
+# Should not be necessary, but the bluetooth/buf.h header file require Bluetooth to be enabled, and
+# the header file is being included by some of the BTP header files
+CONFIG_BT=y
+
+CONFIG_UART_PIPE=n
+CONFIG_SERIAL=y
+
+CONFIG_LOG=y
+CONFIG_LOG_FUNC_NAME_PREFIX_ERR=y
+CONFIG_LOG_FUNC_NAME_PREFIX_WRN=y
+CONFIG_BSIM_BTTESTER_LOG_LEVEL_DBG=y