test/core/end2end/tests/empty_batch.cc

//
//
// Copyright 2015 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 <functional>
#include <memory>

#include <grpc/grpc.h>
#include <grpc/impl/propagation_bits.h>
#include <grpc/slice.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>

#include "src/core/lib/channel/channel_args.h"
#include "test/core/end2end/cq_verifier.h"
#include "test/core/end2end/end2end_tests.h"
#include "test/core/util/test_config.h"

static std::unique_ptr<CoreTestFixture> begin_test(
    const CoreTestConfiguration& config, const char* test_name,
    grpc_channel_args* client_args, grpc_channel_args* server_args) {
  gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
  auto f = config.create_fixture(grpc_core::ChannelArgs::FromC(client_args),
                                 grpc_core::ChannelArgs::FromC(server_args));
  f->InitServer(grpc_core::ChannelArgs::FromC(server_args));
  f->InitClient(grpc_core::ChannelArgs::FromC(client_args));
  return f;
}

static void empty_batch_body(const CoreTestConfiguration& /*config*/,
                             CoreTestFixture* f) {
  grpc_call* c;
  grpc_core::CqVerifier cqv(f->cq());
  grpc_call_error error;
  grpc_op* op = nullptr;

  gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5);
  c = grpc_channel_create_call(f->client(), nullptr, GRPC_PROPAGATE_DEFAULTS,
                               f->cq(), grpc_slice_from_static_string("/foo"),
                               nullptr, deadline, nullptr);
  GPR_ASSERT(c);

  error =
      grpc_call_start_batch(c, op, 0, grpc_core::CqVerifier::tag(1), nullptr);
  GPR_ASSERT(GRPC_CALL_OK == error);
  cqv.Expect(grpc_core::CqVerifier::tag(1), true);
  cqv.Verify();

  grpc_call_unref(c);
}

static void test_invoke_empty_body(const CoreTestConfiguration& config) {
  auto f = begin_test(config, "test_invoke_empty_body", nullptr, nullptr);
  empty_batch_body(config, f.get());
}

void empty_batch(const CoreTestConfiguration& config) {
  test_invoke_empty_body(config);
}

void empty_batch_pre_init(void) {}