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/*
*
* 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 <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 <grpc/grpc.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include <gtest/gtest.h>
#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/subprocess.h"
using grpc::testing::EchoRequest;
using grpc::testing::EchoResponse;
using std::chrono::system_clock;
static std::string g_root;
namespace grpc {
namespace testing {
namespace {
class CrashTest : public ::testing::Test {
protected:
CrashTest() {}
std::unique_ptr<grpc::testing::EchoTestService::Stub> CreateServerAndStub() {
auto port = grpc_pick_unused_port_or_die();
std::ostringstream addr_stream;
addr_stream << "localhost:" << port;
auto addr = addr_stream.str();
server_.reset(new SubProcess({
g_root + "/client_crash_test_server", "--address=" + addr,
}));
GPR_ASSERT(server_);
return grpc::testing::EchoTestService::NewStub(
CreateChannel(addr, InsecureChannelCredentials()));
}
void KillServer() { server_.reset(); }
private:
std::unique_ptr<SubProcess> server_;
};
TEST_F(CrashTest, KillBeforeWrite) {
auto stub = CreateServerAndStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
auto stream = stub->BidiStream(&context);
request.set_message("Hello");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
KillServer();
request.set_message("You should be dead");
// This may succeed or fail depending on the state of the TCP connection
stream->Write(request);
// But the read will definitely fail
EXPECT_FALSE(stream->Read(&response));
EXPECT_FALSE(stream->Finish().ok());
}
TEST_F(CrashTest, KillAfterWrite) {
auto stub = CreateServerAndStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
auto stream = stub->BidiStream(&context);
request.set_message("Hello");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
request.set_message("I'm going to kill you");
EXPECT_TRUE(stream->Write(request));
KillServer();
// This may succeed or fail depending on how quick the server was
stream->Read(&response);
EXPECT_FALSE(stream->Finish().ok());
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
std::string me = argv[0];
auto lslash = me.rfind('/');
if (lslash != std::string::npos) {
g_root = me.substr(0, lslash);
} else {
g_root = ".";
}
grpc_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
// Order seems to matter on these tests: run three times to eliminate that
for (int i = 0; i < 3; i++) {
if (RUN_ALL_TESTS() != 0) {
return 1;
}
}
return 0;
}
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