tool: Add unit test for Kconfig gen

tools/ci/test_build_system.sh

@@ -260,6 +260,16 @@ function run_tests()
     ( make 2>&1 | grep "does not fit in configured flash size 1MB" ) || failure "Build didn't fail with expected flash size failure message"
     mv sdkconfig.bak sdkconfig
 
+    print_status "sdkconfig should have contents both files: sdkconfig and sdkconfig.defaults"
+    make clean > /dev/null;
+    rm -f sdkconfig.defaults;
+    rm -f sdkconfig;
+    echo "CONFIG_PARTITION_TABLE_OFFSET=0x10000" >> sdkconfig.defaults;
+    echo "CONFIG_PARTITION_TABLE_TWO_OTA=y" >> sdkconfig;
+    make defconfig > /dev/null;
+    grep "CONFIG_PARTITION_TABLE_OFFSET=0x10000" sdkconfig || failure "The define from sdkconfig.defaults should be into sdkconfig"
+    grep "CONFIG_PARTITION_TABLE_TWO_OTA=y" sdkconfig || failure "The define from sdkconfig should be into sdkconfig"
+
     print_status "All tests completed"
     if [ -n "${FAILURES}" ]; then
         echo "Some failures were detected:"

tools/ci/test_build_system_cmake.sh

@@ -291,6 +291,17 @@ function run_tests()
     rm -rf main/main
     assert_built ${APP_BINS} ${BOOTLOADER_BINS} ${PARTITION_BIN}
 
+    print_status "sdkconfig should have contents both files: sdkconfig and sdkconfig.defaults"
+    idf.py clean > /dev/null;
+    idf.py fullclean > /dev/null;
+    rm -f sdkconfig.defaults;
+    rm -f sdkconfig;
+    echo "CONFIG_PARTITION_TABLE_OFFSET=0x10000" >> sdkconfig.defaults;
+    echo "CONFIG_PARTITION_TABLE_TWO_OTA=y" >> sdkconfig;
+    idf.py reconfigure > /dev/null;
+    grep "CONFIG_PARTITION_TABLE_OFFSET=0x10000" sdkconfig || failure "The define from sdkconfig.defaults should be into sdkconfig"
+    grep "CONFIG_PARTITION_TABLE_TWO_OTA=y" sdkconfig || failure "The define from sdkconfig should be into sdkconfig"
+
     print_status "All tests completed"
     if [ -n "${FAILURES}" ]; then
         echo "Some failures were detected:"