test: split fake ALTS handshaker server to lib and main

Signed-off-by: Lizan Zhou <zlizan@google.com>

4 files changed, 73 insertions, 28 deletions

diff --git a/test/core/tsi/alts/fake_handshaker/BUILD b/test/core/tsi/alts/fake_handshaker/BUILD
index a09a046d27..98cd628a7d 100644
--- a/test/core/tsi/alts/fake_handshaker/BUILD
+++ b/test/core/tsi/alts/fake_handshaker/BUILD
@@ -37,21 +37,22 @@ grpc_cc_library(
     name = "fake_handshaker_lib",
     testonly = True,
     srcs = ["fake_handshaker_server.cc"],
+    hdrs = ["fake_handshaker_server.h"],
     language = "C++",
     deps = [
         "handshaker_proto",
         "transport_security_common_proto",
         "//:grpc++",
-        "//test/cpp/util:test_config",
     ],
 )
 
 grpc_cc_binary(
     name = "fake_handshaker_server",
     testonly = True,
-    srcs = ["fake_handshaker_server.cc"],
+    srcs = ["fake_handshaker_server_main.cc"],
     language = "C++",
     deps = [
+        "//test/cpp/util:test_config",
         "fake_handshaker_lib",
     ],
 )
diff --git a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.cc b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.cc
index f6a4791b49..ba246b07eb 100644
--- a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.cc
+++ b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.cc
@@ -15,12 +15,12 @@
  * limitations under the License.
  *
  */
+#include "test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h"
 
 #include <memory>
 #include <sstream>
 #include <string>
 
-#include <gflags/gflags.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpcpp/impl/codegen/async_stream.h>
@@ -32,10 +32,6 @@
 #include "test/core/tsi/alts/fake_handshaker/handshaker.grpc.pb.h"
 #include "test/core/tsi/alts/fake_handshaker/handshaker.pb.h"
 #include "test/core/tsi/alts/fake_handshaker/transport_security_common.pb.h"
-#include "test/cpp/util/test_config.h"
-
-DEFINE_int32(handshaker_port, 55056,
-             "TCP port on which the fake handshaker server listens to.");
 
 // Fake handshake messages.
 constexpr char kClientInitFrame[] = "ClientInit";
@@ -243,26 +239,9 @@ class FakeHandshakerService : public HandshakerService::Service {
   }
 };
 
-}  // namespace gcp
-}  // namespace grpc
-
-void RunServer() {
-  GPR_ASSERT(FLAGS_handshaker_port != 0);
-  std::ostringstream server_address;
-  server_address << "[::1]:" << FLAGS_handshaker_port;
-  grpc::gcp::FakeHandshakerService service;
-  grpc::ServerBuilder builder;
-  builder.AddListeningPort(server_address.str(),
-                           grpc::InsecureServerCredentials());
-  builder.RegisterService(&service);
-  std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
-  gpr_log(GPR_INFO, "Fake handshaker server listening on %s",
-          server_address.str().c_str());
-  server->Wait();
+std::unique_ptr<grpc::Service> CreateFakeHandshakerService() {
+  return std::unique_ptr<grpc::Service>{new grpc::gcp::FakeHandshakerService};
 }
 
-int main(int argc, char** argv) {
-  grpc::testing::InitTest(&argc, &argv, true);
-  RunServer();
-  return 0;
-}
+}  // namespace gcp
+}  // namespace grpc
diff --git a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h
new file mode 100644
index 0000000000..02aeee5bc2
--- /dev/null
+++ b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h
@@ -0,0 +1,12 @@
+#include <memory>
+#include <string>
+
+#include <grpcpp/grpcpp.h>
+
+namespace grpc {
+namespace gcp {
+
+std::unique_ptr<grpc::Service> CreateFakeHandshakerService();
+
+}  // namespace gcp
+}  // namespace grpc
diff --git a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server_main.cc b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server_main.cc
new file mode 100644
index 0000000000..60351533d9
--- /dev/null
+++ b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server_main.cc
@@ -0,0 +1,53 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * 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.
+ *
+ */
+#include "test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h"
+
+#include <sstream>
+
+#include <gflags/gflags.h>
+#include <grpc/support/log.h>
+#include <grpcpp/impl/codegen/service_type.h>
+#include <grpcpp/server_builder.h>
+
+#include "test/cpp/util/test_config.h"
+
+DEFINE_int32(handshaker_port, 55056,
+             "TCP port on which the fake handshaker server listens to.");
+
+static void RunFakeHandshakerServer(const std::string& server_address) {
+  std::unique_ptr<grpc::Service> service =
+      grpc::gcp::CreateFakeHandshakerService();
+  grpc::ServerBuilder builder;
+  builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+  builder.RegisterService(service.get());
+  gpr_log(GPR_INFO, "Fake handshaker server listening on %s",
+          server_address.c_str());
+  std::unique_ptr<grpc::Server> server = builder.BuildAndStart();
+  server->Wait();
+}
+
+int main(int argc, char** argv) {
+  grpc::testing::InitTest(&argc, &argv, true);
+
+  GPR_ASSERT(FLAGS_handshaker_port != 0);
+  std::ostringstream server_address;
+  server_address << "[::1]:" << FLAGS_handshaker_port;
+
+  RunFakeHandshakerServer(server_address.str());
+  return 0;
+}