Replace nl-unit-test with pigweed for platform (#33030)

* Pigweed tests for platform

* Fix tests

* Restyled by clang-format

* Update src/platform/tests/TestPlatformMgr.cpp

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Fix review

* CI fixes

---------

Co-authored-by: Restyled.io <commits@restyled.io>
Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

Author: 3 people

src/platform/tests/BUILD.gn

@@ -14,7 +14,6 @@
 
 import("//build_overrides/build.gni")
 import("//build_overrides/chip.gni")
-import("//build_overrides/nlunit_test.gni")
 
 import("${chip_root}/src/platform/device.gni")
 
@@ -27,7 +26,7 @@ declare_args() {
 if (chip_device_platform != "none" && chip_device_platform != "fake") {
   import("${chip_root}/build/chip/chip_test_suite.gni")
 
-  chip_test_suite_using_nltest("tests") {
+  chip_test_suite("tests") {
     output_name = "libPlatformTests"
 
     test_sources = []
@@ -41,10 +40,8 @@ if (chip_device_platform != "none" && chip_device_platform != "fake") {
     public_deps = [
       "${chip_root}/src/lib/support",
       "${chip_root}/src/lib/support:test_utils",
-      "${chip_root}/src/lib/support:testing_nlunit",
       "${chip_root}/src/platform",
       "${chip_root}/src/system",
-      "${nlunit_test_root}:nlunit-test",
     ]
 
     if (chip_mdns != "none" && chip_enable_dnssd_tests &&
@@ -67,6 +64,7 @@ if (chip_device_platform != "none" && chip_device_platform != "fake") {
     if (chip_enable_openthread) {
       # FIXME: TestThreadStackMgr requires ot-br-posix daemon to be running
       # test_sources += [ "TestThreadStackMgr.cpp" ]
+      # configs = [ "//${chip_root}/third_party/ot-br-posix:dbus_config" ]
     }
 
     if (chip_enable_ble &&

src/platform/tests/TestCHIPoBLEStackMgr.cpp

@@ -17,25 +17,23 @@
 
 #include "platform/internal/CHIPDeviceLayerInternal.h"
 #include <assert.h>
+#include <gtest/gtest.h>
 #include <lib/support/CHIPMem.h>
 #include <lib/support/CodeUtils.h>
-#include <lib/support/UnitTestRegistration.h>
 #include <memory>
 
 #include "platform/PlatformManager.h"
 #include "platform/internal/BLEManager.h"
 
-void EventHandler(const chip::DeviceLayer::ChipDeviceEvent * event, intptr_t arg)
+void EventHandler(const chip::DeviceLayer::ChipDeviceEvent * event, intptr_t)
 {
-    (void) arg;
     if (event->Type == chip::DeviceLayer::DeviceEventType::kCHIPoBLEConnectionEstablished)
     {
         ChipLogProgress(DeviceLayer, "Receive kCHIPoBLEConnectionEstablished");
-        // exit(0);
     }
 }
 
-int TestCHIPoBLEStackManager()
+TEST(TestCHIPoBLEStackManager, TestCHIPoBLEStackManager)
 {
     chip::Platform::MemoryInit();
 
@@ -54,7 +52,4 @@ int TestCHIPoBLEStackManager()
     chip::DeviceLayer::PlatformMgrImpl().RunEventLoop();
     ChipLogProgress(DeviceLayer, "RunEventLoop completed");
     chip::Platform::MemoryShutdown();
-    return 0;
 }
-
-CHIP_REGISTER_TEST_SUITE(TestCHIPoBLEStackManager);

src/platform/tests/TestCHIPoBLEStackMgrDriver.cpp

@@ -16,6 +16,7 @@
  */
 
 #include "TestCHIPoBLEStackMgr.h"
+#include <gtest/gtest.h>
 #include <platform/CHIPDeviceConfig.h>
 #include <stdlib.h>
 
@@ -24,7 +25,8 @@ int main(int argc, char * argv[])
 #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
     if (argc == 2 && atoi(argv[1]) == 1)
     {
-        return TestCHIPoBLEStackManager();
+        testing::InitGoogleTest(nullptr, nullptr);
+        return RUN_ALL_TESTS();
     }
     return 0;
 #endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE