ci(esp_event): upgrade host test to Catch2 as a component, fix build

- use espressif/catch2 component
- fix build issues after FreeRTOS upgrade
- enable test app build in CI

components/esp_event/host_test/.build-test-rules.yml

@@ -0,0 +1,3 @@
+components/esp_event/host_test:
+  enable:
+    - if: IDF_TARGET == "linux"

components/esp_event/host_test/esp_event_unit_test/main/CMakeLists.txt

@@ -1,3 +1,8 @@
 idf_component_register(SRCS "esp_event_test.cpp"
-                    INCLUDE_DIRS "../../" $ENV{IDF_PATH}/tools/catch
-                    REQUIRES esp_event cmock)
+                    INCLUDE_DIRS "../../"
+                    REQUIRES esp_event cmock
+                    WHOLE_ARCHIVE)
+
+# Currently 'main' for IDF_TARGET=linux is defined in freertos component.
+# Since we are using a freertos mock here, need to let Catch2 provide 'main'.
+target_link_libraries(${COMPONENT_LIB} PRIVATE Catch2WithMain)

components/esp_event/host_test/esp_event_unit_test/main/esp_event_test.cpp

@@ -7,12 +7,11 @@
    CONDITIONS OF ANY KIND, either express or implied.
 */
 
-#define CATCH_CONFIG_MAIN
 
 #include <stdio.h>
 #include "esp_event.h"
 
-#include "catch.hpp"
+#include <catch2/catch_test_macros.hpp>
 
 #include "fixtures.hpp"
 

components/esp_event/host_test/esp_event_unit_test/main/idf_component.yml

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

components/esp_event/host_test/fixtures.hpp

@@ -9,11 +9,12 @@
 
 #include "esp_event.h"
 
-#include "catch.hpp"
+#include <catch2/catch_test_macros.hpp>
 
 extern "C" {
 #include "Mocktask.h"
 #include "Mockqueue.h"
+#include "Mockidf_additions.h"
 }
 
 /**
@@ -129,11 +130,11 @@ struct MockTask : public CMockFix {
             xTaskCreatePinnedToCore_ExpectAnyArgsAndReturn(pdFALSE);
         } else if (flags == CreateAnd::IGNORE) {
             xTaskCreatePinnedToCore_IgnoreAndReturn(pdTRUE);
-            xTaskCreatePinnedToCore_ReturnThruPtr_pvCreatedTask(&task);
+            xTaskCreatePinnedToCore_ReturnThruPtr_pxCreatedTask(&task);
             vTaskDelete_Ignore();
         } else {
             xTaskCreatePinnedToCore_ExpectAnyArgsAndReturn(pdTRUE);
-            xTaskCreatePinnedToCore_ReturnThruPtr_pvCreatedTask(&task);
+            xTaskCreatePinnedToCore_ReturnThruPtr_pxCreatedTask(&task);
             vTaskDelete_Expect(task);
         }
     }