tests: gnss: add some tests for gnss_dump

Add a testsuite for gnss_dump, testing that various values are printed
correctly.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>

tests/drivers/gnss/gnss_dump/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(gnss_dump)
+
+target_sources(app PRIVATE src/main.c)

tests/drivers/gnss/gnss_dump/prj.conf

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+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_LOG=y
+CONFIG_LOG_MODE_MINIMAL=y
+
+CONFIG_GNSS=y
+CONFIG_GNSS_SATELLITES=y
+CONFIG_GNSS_DUMP_TO_LOG=y

tests/drivers/gnss/gnss_dump/src/main.c

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+/*
+ * Copyright 2023 Google LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/drivers/gnss.h>
+#include <zephyr/drivers/gnss/gnss_publish.h>
+#include <zephyr/device.h>
+
+DEVICE_DEFINE(gnss_dev, "gnss_dev", NULL, NULL, NULL, NULL,
+	      POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, NULL);
+
+static const struct device *gnss_dev = &DEVICE_NAME_GET(gnss_dev);
+static struct gnss_data test_data;
+static struct gnss_satellite test_satellite;
+
+static void test_gnss_data(void)
+{
+	gnss_publish_data(gnss_dev, &test_data);
+
+	/* positive values */
+	test_data.nav_data.latitude = 10000000001;
+	test_data.nav_data.longitude = 20000000002;
+	test_data.nav_data.bearing = 3003;
+	test_data.nav_data.speed = 4004;
+	test_data.nav_data.altitude = 5005;
+
+	test_data.info.satellites_cnt = 6;
+	test_data.info.hdop = 7;
+	test_data.info.fix_status = GNSS_FIX_STATUS_GNSS_FIX;
+	test_data.info.fix_quality = GNSS_FIX_QUALITY_GNSS_PPS;
+
+	test_data.utc.hour = 1;
+	test_data.utc.minute = 2;
+	test_data.utc.millisecond = 3;
+	test_data.utc.month_day = 4;
+	test_data.utc.month = 5;
+	test_data.utc.century_year = 6;
+
+	gnss_publish_data(gnss_dev, &test_data);
+
+	/* small positive values */
+	test_data.nav_data.latitude = 1;
+	test_data.nav_data.longitude = 2;
+	test_data.nav_data.bearing = 3;
+	test_data.nav_data.speed = 4;
+	test_data.nav_data.altitude = 5;
+
+	gnss_publish_data(gnss_dev, &test_data);
+
+	/* negative values */
+	test_data.nav_data.latitude = -10000000001;
+	test_data.nav_data.longitude = -20000000002;
+	test_data.nav_data.altitude = -5005;
+
+	gnss_publish_data(gnss_dev, &test_data);
+
+	/* small negative values */
+	test_data.nav_data.latitude = -1;
+	test_data.nav_data.longitude = -2;
+	test_data.nav_data.altitude = -5;
+
+	gnss_publish_data(gnss_dev, &test_data);
+}
+
+static void test_satellites_data(void)
+{
+	gnss_publish_satellites(gnss_dev, &test_satellite, 1);
+
+	test_satellite.prn = 1;
+	test_satellite.snr = 2;
+	test_satellite.azimuth = 3;
+	test_satellite.system = GNSS_SYSTEM_GALILEO;
+	test_satellite.is_tracked = 1;
+
+	gnss_publish_satellites(gnss_dev, &test_satellite, 1);
+}
+int main(void)
+{
+	test_gnss_data();
+	test_satellites_data();
+
+	return 0;
+}

tests/drivers/gnss/gnss_dump/testcase.yaml

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+# SPDX-License-Identifier: Apache-2.0
+
+tests:
+  gnss.gnss_dump:
+    tags: gnss
+    platform_allow:
+      - native_posix
+      - native_posix_64
+      - native_sim
+      - native_sim_64
+    integration_platforms:
+      - native_sim
+    harness: console
+    harness_config:
+      type: multi_line
+      regex:
+        - "gnss_dev: gnss_info: {satellites_cnt: 0, hdop: 0.0, \
+           fix_status: NO_FIX, fix_quality: INVALID}"
+        - "gnss_dev: navigation_data: {latitude: 0.000000000, longitude : 0.000000000, \
+           bearing 0.000, speed 0.000, altitude: 0.000}"
+        - "gnss_dev: gnss_time: {hour: 0, minute: 0, millisecond 0, month_day 0, month: 0, \
+           century_year: 0}"
+        - "gnss_dev: gnss_info: {satellites_cnt: 6, hdop: 0.7, \
+           fix_status: GNSS_FIX, fix_quality: GNSS_PPS}"
+        - "gnss_dev: navigation_data: {latitude: 10.000000001, longitude : 20.000000002, \
+           bearing 3.003, speed 4.004, altitude: 5.005}"
+        - "gnss_dev: gnss_time: {hour: 1, minute: 2, millisecond 3, month_day 4, month: 5, \
+           century_year: 6}"
+        - "gnss_dev: navigation_data: {latitude: 0.000000001, longitude : 0.000000002, \
+           bearing 0.003, speed 0.004, altitude: 0.005}"
+        - "gnss_dev: navigation_data: {latitude: -10.000000001, longitude : -20.000000002, \
+           bearing 0.003, speed 0.004, altitude: -5.005}"
+        - "gnss_dev: navigation_data: {latitude: -0.000000001, longitude : -0.000000002, \
+           bearing 0.003, speed 0.004, altitude: -0.005}"
+        - "gnss_dev: gnss_satellite: {prn: 0, snr: 0, elevation 0, azimuth 0, system: unknown, \
+           is_tracked: 0}"
+        - "gnss_dev: gnss_satellite: {prn: 1, snr: 2, elevation 0, azimuth 3, system: GALILEO, \
+           is_tracked: 1}"