test: driver/fuel_gauge/sy24561: add test

Add test for fuel gauge SY24561

Signed-off-by: Franck Duriez <franck.lucien.duriez@gmail.com>

Author: franckduriez

tests/drivers/fuel_gauge/sy24561/CMakeLists.txt

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+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(device)
+
+target_sources(app PRIVATE src/test_sy24561.c)

tests/drivers/fuel_gauge/sy24561/boards/native_sim.conf

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+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_EMUL=y

tests/drivers/fuel_gauge/sy24561/boards/native_sim.overlay

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+/*
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&i2c0 {
+	sy24651: sy24651@48 {
+		compatible = "silergy,sy24561";
+		reg = <0x48>;
+		status = "okay";
+	};
+};

tests/drivers/fuel_gauge/sy24561/prj.conf

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+CONFIG_ZTEST=y
+CONFIG_TEST_USERSPACE=y
+
+CONFIG_LOG=y
+CONFIG_I2C=y
+CONFIG_I2C_LOG_LEVEL_DBG=y
+CONFIG_FUEL_GAUGE=y
+CONFIG_FUEL_GAUGE_LOG_LEVEL_DBG=y

tests/drivers/fuel_gauge/sy24561/src/test_sy24561.c

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+/*
+ * Copyright (c) 2023 Alvaro Garcia Gomez <maxpowel@gmail.com>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/device.h>
+#include <zephyr/drivers/fuel_gauge.h>
+#include <zephyr/drivers/i2c.h>
+#include <zephyr/logging/log.h>
+#include <zephyr/sys/byteorder.h>
+#include <zephyr/sys/util.h>
+#include <zephyr/ztest.h>
+#include <zephyr/ztest_assert.h>
+
+struct sy24561_fixture {
+	const struct device *dev;
+	const struct fuel_gauge_driver_api *api;
+};
+
+void emul_sy24561_set_crate_status(int value);
+
+static void *sy24561_setup(void)
+{
+	static ZTEST_DMEM struct sy24561_fixture fixture;
+
+	fixture.dev = DEVICE_DT_GET_ANY(silergy_sy24561);
+	k_object_access_all_grant(fixture.dev);
+
+	zassert_true(device_is_ready(fixture.dev), "Fuel Gauge not found");
+
+	return &fixture;
+}
+
+ZTEST_USER_F(sy24561, test_get_some_props_failed_returns_bad_status)
+{
+	fuel_gauge_prop_t prop_types[] = {
+		/* First invalid property */
+		FUEL_GAUGE_PROP_MAX,
+		/* Second invalid property */
+		FUEL_GAUGE_PROP_MAX,
+		/* Valid property */
+		FUEL_GAUGE_VOLTAGE,
+	};
+	union fuel_gauge_prop_val props[ARRAY_SIZE(prop_types)];
+
+	int ret = fuel_gauge_get_props(fixture->dev, prop_types, props, ARRAY_SIZE(props));
+
+	zassert_equal(ret, -ENOTSUP, "Getting bad property has a good status.");
+}
+
+ZTEST_USER_F(sy24561, test_get_props__returns_ok)
+{
+	/* Validate what props are supported by the driver */
+
+	fuel_gauge_prop_t prop_types[] = {
+		FUEL_GAUGE_VOLTAGE,
+		FUEL_GAUGE_RELATIVE_STATE_OF_CHARGE,
+		FUEL_GAUGE_STATUS,
+		FUEL_GAUGE_CURRENT_DIRECTION,
+	};
+
+	union fuel_gauge_prop_val props[ARRAY_SIZE(prop_types)];
+
+	zassert_ok(fuel_gauge_get_props(fixture->dev, prop_types, props, ARRAY_SIZE(props)));
+}
+
+ZTEST_USER_F(sy24561, test_set_invalid_temperature_returns_bad_status)
+{
+	union fuel_gauge_prop_val val;
+	int ret = 0;
+
+	val.temperature = 0;
+	ret = fuel_gauge_set_prop(fixture->dev, FUEL_GAUGE_TEMPERATURE, val);
+	zassert_equal(ret, -EINVAL, "Setting too low temperature has good status");
+
+	val.temperature = 0xffff;
+	ret = fuel_gauge_set_prop(fixture->dev, FUEL_GAUGE_TEMPERATURE, val);
+	zassert_equal(ret, -EINVAL, "Setting too high temperature has good status");
+}
+
+ZTEST_USER_F(sy24561, test_set_invalid_alarm_threshold_returns_bad_status)
+{
+	union fuel_gauge_prop_val val;
+	int ret = 0;
+
+	val.sbs_remaining_capacity_alarm = 0;
+	ret = fuel_gauge_set_prop(fixture->dev, FUEL_GAUGE_SBS_REMAINING_CAPACITY_ALARM, val);
+	zassert_equal(ret, -EINVAL, "Setting too low alarm threshold has good status");
+
+	val.sbs_remaining_capacity_alarm = 0xffff;
+	ret = fuel_gauge_set_prop(fixture->dev, FUEL_GAUGE_SBS_REMAINING_CAPACITY_ALARM, val);
+	zassert_equal(ret, -EINVAL, "Setting too high alarm threshold has good status");
+}
+
+ZTEST_SUITE(sy24561, NULL, sy24561_setup, NULL, NULL, NULL);

tests/drivers/fuel_gauge/sy24561/testcase.yaml

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+tests:
+  drivers.fuel_gauge.sy24561:
+    tags:
+      - fuel_gauge
+    filter: dt_compat_enabled("silergy,sy24561")
+    platform_allow:
+      - native_sim