Refactor and add a unit test
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
new file mode 100644
index 0000000..91fc40c
--- /dev/null
+++ b/test/cpp/util/cli_call_test.cc
@@ -0,0 +1,131 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/test_config.h"
+#include "test/cpp/util/cli_call.h"
+#include "test/cpp/util/echo.pb.h"
+#include "src/cpp/server/thread_pool.h"
+#include <grpc++/channel_arguments.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
+#include <grpc++/server_credentials.h>
+#include <grpc++/status.h>
+#include "test/core/util/port.h"
+#include <gtest/gtest.h>
+
+#include <grpc/grpc.h>
+
+using grpc::cpp::test::util::EchoRequest;
+using grpc::cpp::test::util::EchoResponse;
+
+namespace grpc {
+namespace testing {
+
+class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
+ public:
+ Status Echo(ServerContext* context, const EchoRequest* request,
+ EchoResponse* response) GRPC_OVERRIDE {
+ response->set_message(request->message());
+ return Status::OK;
+ }
+};
+
+class CliCallTest : public ::testing::Test {
+ protected:
+ CliCallTest() : thread_pool_(2) {}
+
+ void SetUp() GRPC_OVERRIDE {
+ int port = grpc_pick_unused_port_or_die();
+ server_address_ << "localhost:" << port;
+ // Setup server
+ ServerBuilder builder;
+ builder.AddListeningPort(server_address_.str(),
+ InsecureServerCredentials());
+ builder.RegisterService(&service_);
+ builder.SetThreadPool(&thread_pool_);
+ server_ = builder.BuildAndStart();
+ }
+
+ void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
+
+ void ResetStub() {
+ channel_ = CreateChannel(server_address_.str(), InsecureCredentials(),
+ ChannelArguments());
+ stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel_));
+ }
+
+ std::shared_ptr<ChannelInterface> channel_;
+ std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
+ std::unique_ptr<Server> server_;
+ std::ostringstream server_address_;
+ TestServiceImpl service_;
+ ThreadPool thread_pool_;
+};
+
+// Send a rpc with a normal stub and then a CliCall. Verify they match.
+TEST_F(CliCallTest, SimpleRpc) {
+ ResetStub();
+ // Normal stub.
+ EchoRequest request;
+ EchoResponse response;
+ request.set_message("Hello");
+
+ ClientContext context;
+ Status s = stub_->Echo(&context, request, &response);
+ EXPECT_EQ(response.message(), request.message());
+ EXPECT_TRUE(s.IsOk());
+
+ const grpc::string kMethod("/grpc.cpp.test.util.TestService/Echo");
+ grpc::string request_bin, response_bin, expected_response_bin;
+ EXPECT_TRUE(request.SerializeToString(&request_bin));
+ EXPECT_TRUE(response.SerializeToString(&expected_response_bin));
+ CliCall::Call(channel_, kMethod, request_bin, &response_bin);
+ EXPECT_EQ(expected_response_bin, response_bin);
+}
+
+} // namespace testing
+} // namespace grpc
+
+int main(int argc, char** argv) {
+ grpc_test_init(argc, argv);
+ grpc_init();
+ ::testing::InitGoogleTest(&argc, argv);
+ int result = RUN_ALL_TESTS();
+ grpc_shutdown();
+ return result;
+}