grpc/include/grpc++/test/mock_stream.h

#ifndef NET_GRPC_PUBLIC_INCLUDE_TEST_MOCK_STREAM_H_
#define NET_GRPC_PUBLIC_INCLUDE_TEST_MOCK_STREAM_H_

#include <stdint.h>

#include <gmock/gmock.h>
#include <grpc++/impl/codegen/call.h>
#include <grpc++/support/async_stream.h>
#include <grpc++/support/async_unary_call.h>
#include <grpc++/support/sync_stream.h>

namespace grpc {
namespace testing {

template <class R>
class MockClientReader : public ClientReaderInterface<R> {
 public:
  MockClientReader() = default;

  // ClientStreamingInterface
  MOCK_METHOD0_T(Finish, Status());

  // ReaderInterface
  MOCK_METHOD1_T(NextMessageSize, bool(uint32_t*));
  MOCK_METHOD1_T(Read, bool(R*));

  // ClientReaderInterface
  MOCK_METHOD0_T(WaitForInitialMetadata, void());
};

template <class W>
class MockClientWriter : public ClientWriterInterface<W> {
 public:
  MockClientWriter() = default;

  // ClientStreamingInterface
  MOCK_METHOD0_T(Finish, Status());

  // WriterInterface
  MOCK_METHOD2_T(Write, bool(const W&, const WriteOptions));

  // ClientWriterInterface
  MOCK_METHOD0_T(WritesDone, bool());
};

template <class W, class R>
class MockClientReaderWriter : public ClientReaderWriterInterface<W, R> {
 public:
  MockClientReaderWriter() = default;

  // ClientStreamingInterface
  MOCK_METHOD0_T(Finish, Status());

  // ReaderInterface
  MOCK_METHOD1_T(NextMessageSize, bool(uint32_t*));
  MOCK_METHOD1_T(Read, bool(R*));

  // WriterInterface
  MOCK_METHOD2_T(Write, bool(const W&, const WriteOptions));

  // ClientReaderWriterInterface
  MOCK_METHOD0_T(WaitForInitialMetadata, void());
  MOCK_METHOD0_T(WritesDone, bool());
};

// TODO: We do not support mocking an async RPC for now.

template <class R>
class MockClientAsyncResponseReader
    : public ClientAsyncResponseReaderInterface<R> {
 public:
  MockClientAsyncResponseReader() = default;

  MOCK_METHOD1_T(ReadInitialMetadata, void(void*));
  MOCK_METHOD3_T(Finish, void(R*, Status*, void*));
};

template <class R>
class MockClientAsyncReader : public ClientAsyncReaderInterface<R> {
 public:
  MockClientAsyncReader() = default;

  // ClientAsyncStreamingInterface
  MOCK_METHOD1_T(ReadInitialMetadata, void(void*));
  MOCK_METHOD2_T(Finish, void(Status*, void*));

  // AsyncReaderInterface
  MOCK_METHOD2_T(Read, void(R*, void*));
};

template <class W>
class MockClientAsyncWriter : public ClientAsyncWriterInterface<W> {
 public:
  MockClientAsyncWriter() = default;

  // ClientAsyncStreamingInterface
  MOCK_METHOD1_T(ReadInitialMetadata, void(void*));
  MOCK_METHOD2_T(Finish, void(Status*, void*));

  // AsyncWriterInterface
  MOCK_METHOD2_T(Write, void(const W&, void*));

  // ClientAsyncWriterInterface
  MOCK_METHOD1_T(WritesDone, void(void*));
};

template <class W, class R>
class MockClientAsyncReaderWriter
    : public ClientAsyncReaderWriterInterface<W, R> {
 public:
  MockClientAsyncReaderWriter() = default;

  // ClientAsyncStreamingInterface
  MOCK_METHOD1_T(ReadInitialMetadata, void(void*));
  MOCK_METHOD2_T(Finish, void(Status*, void*));

  // AsyncWriterInterface
  MOCK_METHOD2_T(Write, void(const W&, void*));

  // AsyncReaderInterface
  MOCK_METHOD2_T(Read, void(R*, void*));

  // ClientAsyncReaderWriterInterface
  MOCK_METHOD1_T(WritesDone, void(void*));
};

}  // namespace testing
}  // namespace grpc

#endif  // NET_GRPC_PUBLIC_INCLUDE_TEST_MOCK_STREAM_H_