Build protos using the nullable option for testing.

Signed-off-by: Chito <[email protected]>

Author: chitochi

protoc_plugin/Makefile

@@ -102,6 +102,16 @@ $(TEST_PROTO_LIBS): $(PLUGIN_SRC) $(TEST_PROTO_SRCS)
 		--plugin=protoc-gen-dart=$(realpath $(PLUGIN_PATH))\
 		$(TEST_PROTO_SRCS)
 
+	mkdir -p $(TEST_PROTO_DIR)/nullable
+
+	protoc\
+		--experimental_allow_proto3_optional\
+		--dart_out="nullable:$(TEST_PROTO_DIR)/nullable"\
+		-Iprotos\
+		-I$(TEST_PROTO_SRC_DIR)\
+		--plugin=protoc-gen-dart=$(realpath $(PLUGIN_PATH))\
+		$(TEST_PROTO_SRCS)
+
 	dart format $(TEST_PROTO_DIR)
 
 update-pregenerated: $(PLUGIN_PATH) $(PREGENERATED_SRCS)

protoc_plugin/test/unittest_proto3_test.dart

@@ -1,5 +1,5 @@
 import 'package:test/test.dart';
-import '../out/protos/google/protobuf/unittest_proto3.pb.dart';
+import '../out/protos/nullable/google/protobuf/unittest_proto3.pb.dart';
 
 void main() {
   group('Optional fields should be nullable for', () {
@@ -16,7 +16,7 @@ void main() {
       expect(obj2.optionalSingleInt32, null);
       // should not generate linting errors
       expect(obj2.optionalSingleInt32 ?? 1, 1);
-      expect(obj.hasOptionalSingleInt32(), false);
+      expect(obj2.hasOptionalSingleInt32(), false);
     });
   });
 }