tests: cmake: app_version: test app_version.h

Test the basic `app_version.h` file generation.

Signed-off-by: Jordan Yates <jordan@embeint.com>

tests/cmake/app_version/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(app_version_basic)
+
+target_sources(app PRIVATE
+	src/main.c
+)

tests/cmake/app_version/VERSION

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+VERSION_MAJOR = 5
+VERSION_MINOR = 6
+PATCHLEVEL = 7
+VERSION_TWEAK = 89
+EXTRAVERSION = development

tests/cmake/app_version/prj.conf

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+CONFIG_ZTEST=y

tests/cmake/app_version/src/main.c

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+/*
+ * Copyright (c) 2024 Embeint Inc
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <string.h>
+
+#include <zephyr/ztest.h>
+#include <zephyr/kernel_version.h>
+
+#include "app_version.h"
+
+ZTEST(app_version, test_basic_ints)
+{
+	/* From VERSION */
+	zassert_equal(5, APP_VERSION_MAJOR);
+	zassert_equal(6, APP_VERSION_MINOR);
+	zassert_equal(7, APP_PATCHLEVEL);
+	zassert_equal(89, APP_TWEAK);
+	zassert_equal(0x050607, APP_VERSION_NUMBER);
+}
+
+ZTEST(app_version, test_appversion)
+{
+	/* From the APPVERSION value */
+	zassert_equal(5, SYS_KERNEL_VER_MAJOR(APPVERSION));
+	zassert_equal(6, SYS_KERNEL_VER_MINOR(APPVERSION));
+	zassert_equal(7, SYS_KERNEL_VER_PATCHLEVEL(APPVERSION));
+}
+
+ZTEST(app_version, test_basic_strings)
+{
+	zassert_equal(0, strcmp("5.6.7-development", APP_VERSION_STRING));
+	zassert_equal(0, strcmp("5.6.7-development+89", APP_VERSION_EXTENDED_STRING));
+	zassert_equal(0, strcmp("5.6.7+89", APP_VERSION_TWEAK_STRING));
+}
+
+ZTEST_SUITE(app_version, NULL, NULL, NULL, NULL, NULL);

tests/cmake/app_version/testcase.yaml

@@ -0,0 +1,5 @@
+tests:
+  buildsystem.app_version:
+    tags: version
+    integration_platforms:
+      - native_sim