tests: settings: add functional test for ZMS

Add the functional test for the new backend of ZMS

Signed-off-by: Riadh Ghaddab <rghaddab@baylibre.com>

tests/subsys/settings/functional/src/settings_basic_test.c

@@ -16,7 +16,7 @@
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(settings_basic_test);
 
-#if defined(CONFIG_SETTINGS_FCB) || defined(CONFIG_SETTINGS_NVS)
+#if defined(CONFIG_SETTINGS_FCB) || defined(CONFIG_SETTINGS_NVS) || defined(CONFIG_SETTINGS_ZMS)
 #include <zephyr/storage/flash_map.h>
 #if DT_HAS_CHOSEN(zephyr_settings_partition)
 #define TEST_FLASH_AREA_ID DT_FIXED_PARTITION_ID(DT_CHOSEN(zephyr_settings_partition))

tests/subsys/settings/functional/zms/CMakeLists.txt

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(functional_zms)
+
+# The code is in the library common to several tests.
+target_sources(app PRIVATE settings_test_zms.c)
+
+add_subdirectory(../src func_test_bindir)

tests/subsys/settings/functional/zms/prj.conf

@@ -0,0 +1,8 @@
+CONFIG_ZTEST=y
+CONFIG_FLASH=y
+CONFIG_FLASH_MAP=y
+CONFIG_ZMS=y
+
+CONFIG_SETTINGS=y
+CONFIG_SETTINGS_RUNTIME=y
+CONFIG_SETTINGS_ZMS=y

tests/subsys/settings/functional/zms/settings_test_zms.c

@@ -0,0 +1,25 @@
+/* Copyright (c) 2024 BayLibre SAS
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/ztest.h>
+#include <errno.h>
+#include <zephyr/settings/settings.h>
+#include <zephyr/fs/zms.h>
+
+ZTEST(settings_functional, test_setting_storage_get)
+{
+	int rc;
+	void *storage;
+	uint32_t data = 0xdeadbeefu;
+
+	rc = settings_storage_get(&storage);
+	zassert_equal(0, rc, "Can't fetch storage reference (err=%d)", rc);
+	zassert_not_null(storage, "Null reference.");
+
+	rc = zms_write((struct zms_fs *)storage, 512, &data, sizeof(data));
+	zassert_true(rc >= 0, "Can't write ZMS entry (err=%d).", rc);
+}
+ZTEST_SUITE(settings_functional, NULL, NULL, NULL, NULL, NULL);

tests/subsys/settings/functional/zms/testcase.yaml

@@ -0,0 +1,9 @@
+tests:
+  settings.functional.zms:
+    platform_allow:
+      - qemu_x86
+      - native_sim
+      - native_sim/native/64
+    tags:
+      - settings
+      - zms