tests: Bluetooth: CAP: Handover b->u unittests

subsys/bluetooth/audio/bap_broadcast_assistant.c

@@ -28,7 +28,6 @@
 #include <zephyr/bluetooth/l2cap.h>
 #include <zephyr/bluetooth/buf.h>
 #include <zephyr/bluetooth/uuid.h>
-#include <zephyr/device.h>
 #include <zephyr/init.h>
 #include <zephyr/kernel.h>
 #include <zephyr/net_buf.h>

tests/bluetooth/audio/cap_handover/CMakeLists.txt

@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(bluetooth_cap_handover)
+
+target_include_directories(app PRIVATE
+  ${ZEPHYR_BASE}/subsys/bluetooth/
+
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/cap_handover/include
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/mocks/include
+)
+
+target_sources(app PRIVATE
+  # Test source files
+  src/broadcast_to_unicast.c
+  src/unicast_to_broadcast.c
+  src/test_common.c
+
+  # UUT files
+  uut/bap_broadcast_assistant.c
+  uut/bap_unicast_client.c
+  uut/cap_handover.c
+  uut/cap_initiator.c
+  uut/csip.c
+
+  # Stack source file
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/audio.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/codec.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/bap_broadcast_source.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/bap_iso.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/bap_stream.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/cap_commander.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/cap_handover.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/cap_initiator.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/cap_common.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/cap_stream.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/audio/ccid.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/common/addr.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/common/bt_str.c
+  ${ZEPHYR_BASE}/subsys/bluetooth/host/uuid.c
+
+  # Mock files
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/mocks/src/adv.c
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/mocks/src/conn.c
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/mocks/src/gatt.c
+  ${ZEPHYR_BASE}/tests/bluetooth/audio/mocks/src/iso.c
+)

tests/bluetooth/audio/cap_handover/Kconfig

@@ -0,0 +1,111 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+config BT_ATT_PREPARE_COUNT
+	int
+	default 1
+
+config BT_AUDIO
+	bool
+	default y
+
+config BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE
+	int
+	default 20
+
+config BT_BAP_BROADCAST_ASSISTANT
+	bool
+	default y
+
+config BT_BAP_BROADCAST_SOURCE
+	bool
+	default y
+
+config BT_BAP_BROADCAST_SRC_STREAM_COUNT
+	int
+	default 2
+
+config BT_BAP_SCAN_DELEGATOR
+	bool
+	default y
+
+config BT_BAP_STREAM
+	bool
+	default y
+
+config BT_BAP_UNICAST_CLIENT
+	bool
+	default y
+
+config BT_BAP_UNICAST_CLIENT_GROUP_COUNT
+	int
+	default 1
+
+config BT_BAP_UNICAST_CLIENT_GROUP_STREAM_COUNT
+	int
+	default 4
+
+config BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT
+	int
+	default 2
+
+config BT_BONDABLE
+	bool
+	default y
+
+config BT_BUF_ACL_RX_SIZE
+	int
+	default 69
+
+config BT_BUF_ACL_TX_COUNT
+	int
+	default 5
+
+config BT_BUF_EVT_RX_COUNT
+	int
+	default 10
+
+config BT_CONN
+	bool
+	default y
+
+config BT_CSIP_SET_COORDINATOR
+	bool
+	default y
+
+config BT_ISO_MAX_BIG
+	int
+	default 1
+
+config BT_ISO_MAX_CIG
+	int
+	default 1
+
+config BT_ISO_MAX_CHAN
+	int
+	default 4
+
+config BT_MAX_PAIRED
+	int
+	default 1
+
+config BT_L2CAP_TX_MTU
+	int
+	default 65
+
+config BT_LOG
+	bool
+	default y
+
+config BT_MAX_CONN
+	int
+	default 2
+
+config BT_SMP
+	bool
+	default y
+
+# Include Zephyr's Kconfig.
+source "Kconfig"
+source "subsys/bluetooth/audio/Kconfig"
+source "subsys/bluetooth/Kconfig.logging"

tests/bluetooth/audio/cap_handover/include/cap_handover.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef MOCKS_CAP_HANDOVER_H_
+#define MOCKS_CAP_HANDOVER_H_
+
+#include <zephyr/bluetooth/audio/cap.h>
+#include <zephyr/bluetooth/audio/csip.h>
+#include <zephyr/bluetooth/bluetooth.h>
+#include <zephyr/fff.h>
+
+extern const struct bt_cap_handover_cb mock_cap_handover_cb;
+
+void mock_cap_handover_init(void);
+
+DECLARE_FAKE_VOID_FUNC(mock_unicast_to_broadcast_complete_cb, int, struct bt_conn *,
+		       struct bt_cap_unicast_group *, struct bt_cap_broadcast_source *);
+DECLARE_FAKE_VOID_FUNC(mock_broadcast_to_unicast_complete_cb, int, struct bt_conn *,
+		       struct bt_cap_broadcast_source *, struct bt_cap_unicast_group *);
+
+#endif /* MOCKS_CAP_HANDOVER_H_ */

tests/bluetooth/audio/cap_handover/include/cap_initiator.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef MOCKS_CAP_INITIATOR_H_
+#define MOCKS_CAP_INITIATOR_H_
+
+#include <zephyr/bluetooth/audio/cap.h>
+#include <zephyr/bluetooth/audio/csip.h>
+#include <zephyr/bluetooth/bluetooth.h>
+#include <zephyr/fff.h>
+
+extern const struct bt_cap_initiator_cb mock_cap_initiator_cb;
+
+void mock_cap_initiator_init(void);
+
+DECLARE_FAKE_VOID_FUNC(mock_unicast_start_complete_cb, int, struct bt_conn *);
+DECLARE_FAKE_VOID_FUNC(mock_broadcast_start_cb, struct bt_cap_broadcast_source *);
+
+#endif /* MOCKS_CAP_INITIATOR_H_ */

tests/bluetooth/audio/cap_handover/include/test_common.h

@@ -0,0 +1,30 @@
+/* test_common.h */
+
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdint.h>
+
+#include <zephyr/bluetooth/addr.h>
+#include <zephyr/bluetooth/audio/bap.h>
+#include <zephyr/bluetooth/audio/bap_lc3_preset.h>
+#include <zephyr/bluetooth/audio/cap.h>
+#include <zephyr/bluetooth/conn.h>
+
+#define TEST_COMMON_ADV_TYPE     BT_ADDR_LE_PUBLIC
+#define TEST_COMMON_ADV_SID      0x01U
+#define TEST_COMMON_BROADCAST_ID 0x123456U
+#define TEST_COMMON_SRC_ID       0x00U
+
+void test_mocks_init(void);
+void test_mocks_cleanup(void);
+void mock_bt_csip_cleanup(void);
+
+void test_conn_init(struct bt_conn *conn, uint8_t index);
+
+void test_unicast_set_state(struct bt_cap_stream *cap_stream, struct bt_conn *conn,
+			    struct bt_bap_ep *ep, struct bt_bap_lc3_preset *preset,
+			    enum bt_bap_ep_state state);

tests/bluetooth/audio/cap_handover/prj.conf

@@ -0,0 +1,20 @@
+CONFIG_ZTEST=y
+
+CONFIG_NET_BUF=y
+
+CONFIG_BT_CAP_INITIATOR=y
+CONFIG_BT_CAP_COMMANDER=y
+CONFIG_BT_CAP_HANDOVER=y
+
+CONFIG_ASSERT=y
+CONFIG_ASSERT_LEVEL=2
+CONFIG_ASSERT_VERBOSE=y
+
+CONFIG_LOG=y
+CONFIG_BT_BAP_ISO_LOG_LEVEL_DBG=y
+CONFIG_BT_BAP_STREAM_LOG_LEVEL_DBG=y
+CONFIG_BT_CAP_COMMON_LOG_LEVEL_DBG=y
+CONFIG_BT_CAP_COMMANDER_LOG_LEVEL_DBG=y
+CONFIG_BT_CAP_HANDOVER_LOG_LEVEL_DBG=y
+CONFIG_BT_CAP_INITIATOR_LOG_LEVEL_DBG=y
+CONFIG_BT_BAP_BROADCAST_SOURCE_LOG_LEVEL_DBG=y