Add platform enable test build argument

Author: mkardous-silabs

.github/workflows/unit_integration_test.yaml

@@ -52,7 +52,7 @@ jobs:
             - name: Checkout submodules & Bootstrap
               uses: ./.github/actions/checkout-submodules-and-bootstrap
               with:
-                platform: linux
+                platform: linux unit_tests
                 bootstrap-log-name: bootstrap-logs-unittest-${{ matrix.type }}
             - name: Artifact suffix
               id: outsuffix
@@ -66,11 +66,11 @@ jobs:
               # TODO: If rotating_device_id is ever removed/combined, we have to cover boringssl otherwise
               run: |
                   case $BUILD_TYPE in
-                     "main") GN_ARGS='';;
-                     "clang") GN_ARGS='is_clang=true';;
-                     "mbedtls") GN_ARGS='chip_crypto="mbedtls"';;
-                     "rotating_device_id") GN_ARGS='chip_crypto="boringssl" chip_enable_rotating_device_id=true';;
-                     "icd") GN_ARGS='chip_enable_icd_server=true chip_enable_icd_lit=true';;
+                     "main") GN_ARGS='chip_build_all_platform_tests=true';;
+                     "clang") GN_ARGS='is_clang=true chip_build_all_platform_tests=true';;
+                     "mbedtls") GN_ARGS='chip_crypto="mbedtls" chip_build_all_platform_tests=true';;
+                     "rotating_device_id") GN_ARGS='chip_crypto="boringssl" chip_enable_rotating_device_id=true chip_build_all_platform_tests=true';;
+                     "icd") GN_ARGS='chip_enable_icd_server=true chip_enable_icd_lit=true chip_build_all_platform_tests=true';;
                      *) ;;
                   esac
 

.gitmodules

@@ -209,7 +209,7 @@
 	path = third_party/silabs/matter_support
 	url = https://github.com/SiliconLabsSoftware/matter_support.git
 	branch = main
-	platforms = silabs,silabs_docker
+	platforms = silabs,silabs_docker,unit_tests
 [submodule "third_party/silabs/simplicity_sdk"]
 	path = third_party/silabs/simplicity_sdk
 	url = https://github.com/SiliconLabs/simplicity_sdk.git

build/chip/tests.gni

@@ -27,6 +27,11 @@ declare_args() {
   # Enable building tests.
   chip_build_tests = current_os != "freertos"
 
+  # Enable building all platform specific tests.
+  # This argument should set the default value for platform specific tests build arguments.
+  # See src/platform/silabs/tests/args.gni as an example.
+  chip_build_all_platform_tests = false
+
   # Enabling useful support functions when building using GoogleTest framework (used in unit tests and pw_fuzzer FuzzTests)
   # For unit tests: this should only be enabled through build_examples.py, see PR #36268
   chip_build_tests_googletest = false

scripts/checkout_submodules.py

@@ -51,6 +51,7 @@
     'genio',
     'openiotsdk',
     'silabs_docker',
+    'unit_tests'
 ])
 
 Module = namedtuple('Module', 'name path platforms recursive')

src/platform/silabs/tests/args.gni

@@ -16,5 +16,5 @@ import("//build/chip/tests.gni")
 
 declare_args() {
   # Build argument to enable Silabs specific unit tests
-  sl_build_unit_tests = chip_build_tests
+  sl_build_unit_tests = chip_build_all_platform_tests
 }