Replace nl-unit-test with pigweed for protocols/secure_channel

src/BUILD.gn

@@ -100,7 +100,6 @@ if (chip_build_tests) {
         "${chip_root}/src/lib/format/tests",
         "${chip_root}/src/lib/support/tests",
         "${chip_root}/src/protocols/secure_channel/tests",
-        "${chip_root}/src/protocols/secure_channel/tests:tests_nltest",
         "${chip_root}/src/system/tests",
         "${chip_root}/src/transport/tests",
       ]

src/lib/support/BUILD.gn

@@ -341,6 +341,15 @@ static_library("test_utils") {
   ]
 }
 
+pw_source_set("pw_test_utils") {
+  output_dir = "${root_out_dir}/lib"
+  public_deps = [
+    "$dir_pw_log:impl",
+    "$dir_pw_unit_test",
+  ]
+  sources = [ "UnitTestPigweedUtils.h" ]
+}
+
 pw_static_library("pw_tests_wrapper") {
   if (chip_device_platform == "esp32") {
     complete_static_lib = true

src/lib/support/UnitTestPigweedUtils.h

@@ -0,0 +1,28 @@
+/*
+ *
+ *    Copyright (c) 2024 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#pragma once
+
+/*
+ * Run fixture's class function as a test.
+ */
+#define TEST_F_FROM_FIXTURE(test_fixture, test_name)                                                                               \
+    TEST_F(test_fixture, test_name)                                                                                                \
+    {                                                                                                                              \
+        test_name();                                                                                                               \
+    }                                                                                                                              \
+    void test_fixture::test_name()

src/protocols/secure_channel/tests/BUILD.gn

@@ -1,39 +1,15 @@
 import("//build_overrides/build.gni")
 import("//build_overrides/chip.gni")
-import("//build_overrides/nlunit_test.gni")
 import("${chip_root}/build/chip/chip_test_suite.gni")
 import("${chip_root}/src/app/icd/icd.gni")
 
 chip_test_suite("tests") {
   output_name = "libSecureChannelTests"
 
   test_sources = [
+    "TestCASESession.cpp",
     "TestCheckInCounter.cpp",
     "TestCheckinMsg.cpp",
-  ]
-
-  sources = [ "CheckIn_Message_test_vectors.h" ]
-
-  cflags = [ "-Wconversion" ]
-  public_deps = [
-    "${chip_root}/src/app/icd/server:icd-server-config",
-    "${chip_root}/src/credentials/tests:cert_test_vectors",
-    "${chip_root}/src/lib/core",
-    "${chip_root}/src/lib/support",
-    "${chip_root}/src/lib/support:test_utils",
-    "${chip_root}/src/lib/support:testing",
-    "${chip_root}/src/protocols/secure_channel",
-    "${chip_root}/src/protocols/secure_channel:check-in-counter",
-    "${dir_pw_unit_test}",
-  ]
-}
-
-chip_test_suite_using_nltest("tests_nltest") {
-  # Renamed ouput during the transition away from nltest
-  output_name = "libSecureChannelTestsNL"
-
-  test_sources = [
-    "TestCASESession.cpp",
     "TestDefaultSessionResumptionStorage.cpp",
     "TestPASESession.cpp",
     "TestPairingSession.cpp",
@@ -44,22 +20,26 @@ chip_test_suite_using_nltest("tests_nltest") {
     #    "TestMessageCounterManager.cpp",
   ]
 
+  sources = [ "CheckIn_Message_test_vectors.h" ]
+
+  cflags = [ "-Wconversion" ]
   public_deps = [
+    "${chip_root}/src/app/icd/server:icd-server-config",
+    "${chip_root}/src/credentials/tests:cert_test_vectors",
     "${chip_root}/src/crypto/tests:tests.lib",
     "${chip_root}/src/lib/core",
     "${chip_root}/src/lib/support",
+    "${chip_root}/src/lib/support:pw_test_utils",
     "${chip_root}/src/lib/support:test_utils",
     "${chip_root}/src/lib/support:testing",
-    "${chip_root}/src/lib/support:testing_nlunit",
     "${chip_root}/src/messaging/tests:helpers",
     "${chip_root}/src/protocols",
     "${chip_root}/src/protocols/secure_channel",
+    "${chip_root}/src/protocols/secure_channel:check-in-counter",
     "${chip_root}/src/transport/raw/tests:helpers",
-    "${nlunit_test_root}:nlunit-test",
+    "${dir_pw_unit_test}",
   ]
 
-  cflags = [ "-Wconversion" ]
-
   if (chip_enable_icd_server) {
     public_deps += [ "${chip_root}/src/app/icd/server:configuration-data" ]
   }