Initial checkin of gRPC to third_party/

third_party/grpc/test/cpp/util/cli_call_test.cc

+/*
+ *
+ * Copyright 2015-2016, 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/cpp/util/cli_call.h"
+
+#include <grpc/grpc.h>
+#include <grpc++/channel.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
+#include <gtest/gtest.h>
+
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/cpp/util/string_ref_helper.h"
+
+using grpc::testing::EchoRequest;
+using grpc::testing::EchoResponse;
+
+namespace grpc {
+namespace testing {
+
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
+ public:
+  Status Echo(ServerContext* context, const EchoRequest* request,
+              EchoResponse* response) GRPC_OVERRIDE {
+    if (!context->client_metadata().empty()) {
+      for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
+               iter = context->client_metadata().begin();
+           iter != context->client_metadata().end(); ++iter) {
+        context->AddInitialMetadata(ToString(iter->first),
+                                    ToString(iter->second));
+      }
+    }
+    context->AddTrailingMetadata("trailing_key", "trailing_value");
+    response->set_message(request->message());
+    return Status::OK;
+  }
+};
+
+class CliCallTest : public ::testing::Test {
+ protected:
+  CliCallTest() {}
+
+  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_);
+    server_ = builder.BuildAndStart();
+  }
+
+  void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
+
+  void ResetStub() {
+    channel_ =
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
+  }
+
+  std::shared_ptr<Channel> channel_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
+  std::unique_ptr<Server> server_;
+  std::ostringstream server_address_;
+  TestServiceImpl service_;
+};
+
+// 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;
+  context.AddMetadata("key1", "val1");
+  Status s = stub_->Echo(&context, request, &response);
+  EXPECT_EQ(response.message(), request.message());
+  EXPECT_TRUE(s.ok());
+
+  const grpc::string kMethod("/grpc.testing.EchoTestService/Echo");
+  grpc::string request_bin, response_bin, expected_response_bin;
+  EXPECT_TRUE(request.SerializeToString(&request_bin));
+  EXPECT_TRUE(response.SerializeToString(&expected_response_bin));
+  std::multimap<grpc::string, grpc::string> client_metadata;
+  std::multimap<grpc::string_ref, grpc::string_ref> server_initial_metadata,
+      server_trailing_metadata;
+  client_metadata.insert(std::pair<grpc::string, grpc::string>("key1", "val1"));
+  Status s2 = CliCall::Call(channel_, kMethod, request_bin, &response_bin,
+                            client_metadata, &server_initial_metadata,
+                            &server_trailing_metadata);
+  EXPECT_TRUE(s2.ok());
+
+  EXPECT_EQ(expected_response_bin, response_bin);
+  EXPECT_EQ(context.GetServerInitialMetadata(), server_initial_metadata);
+  EXPECT_EQ(context.GetServerTrailingMetadata(), server_trailing_metadata);
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}