ci(esp_rom): upgrade to Catch2 as a component, enable CI build

components/esp_rom/test_apps/.build-test-rules.yml

@@ -1,6 +1,10 @@
 # Documentation: .gitlab/ci/README.md#manifest-file-to-control-the-buildtest-apps
 
-components/esp_rom/test_apps:
+components/esp_rom/test_apps/linux_rom_apis:
+  enable:
+    - if: IDF_TARGET == "linux"
+
+components/esp_rom/test_apps/rom_tests:
   disable_test:
     - if: IDF_TARGET in ["esp32", "esp32c2"]
       temporary: false

components/esp_rom/test_apps/linux_rom_apis/main/CMakeLists.txt

@@ -1,5 +1,8 @@
 idf_component_register(SRCS "rom_test.cpp"
-                    INCLUDE_DIRS
-                    "."
-                    $ENV{IDF_PATH}/tools/catch
-                    REQUIRES esp_rom)
+                    INCLUDE_DIRS "."
+                    REQUIRES esp_rom
+                    WHOLE_ARCHIVE)
+
+# Currently 'main' for IDF_TARGET=linux is defined in freertos component.
+# Since we are using a freertos mock here, need to let Catch2 provide 'main'.
+target_link_libraries(${COMPONENT_LIB} PRIVATE Catch2WithMain)

components/esp_rom/test_apps/linux_rom_apis/main/idf_component.yml

@@ -0,0 +1,2 @@
+dependencies:
+  espressif/catch2: "^3.4.0"

components/esp_rom/test_apps/linux_rom_apis/main/rom_test.cpp

@@ -15,7 +15,6 @@
 
     Note that the printf function is roughly tested in the log host test.
 */
-#define CATCH_CONFIG_MAIN
 #include <cstdio>
 #include <regex>
 #include <cstring>
@@ -24,12 +23,10 @@
 #include "esp_rom_crc.h"
 #include "esp_rom_md5.h"
 
-#include "catch.hpp"
+#include <catch2/catch_test_macros.hpp>
 
 using namespace std;
 
-static const char *TEST_TAG = "test";
-
 // ESP_LOG_EARLY functions are tested in the log host tests and also test rom printf.
 TEST_CASE("esp_rom printf returns correct char num")
 {