fake_storage_path_source_adapter.h

/* Copyright 2016 Google Inc. All Rights Reserved.
 
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.
==============================================================================*/
 
#ifndef TENSORFLOW_SERVING_CORE_TEST_UTIL_FAKE_STORAGE_PATH_SOURCE_ADAPTER_H_
#define TENSORFLOW_SERVING_CORE_TEST_UTIL_FAKE_STORAGE_PATH_SOURCE_ADAPTER_H_
 
#include "tensorflow/core/lib/core/status.h"
#include "tensorflow_serving/core/source_adapter.h"
#include "tensorflow_serving/core/storage_path.h"
 
namespace tensorflow {
namespace serving {
namespace test_util {
 
// A fake storage-path source-adapter that generates simple string servables
// from paths. If the supplied path is set to "invalid", an invalid-argument
// error is returned upon conversion.
//
// If path = "/a/simple/path" and suffix = "foo", the servable string becomes
// "/a/simple/path/foo".
//
// To help with verifying the order of destruction of these adapters in tests,
// the adapter may take a callback to be invoked upon destruction. The
// suffix provided to the source-adapter is passed to the string argument of the
// callback when it is invoked.
class FakeStoragePathSourceAdapter final
    : public UnarySourceAdapter<StoragePath, StoragePath> {
 public:
  FakeStoragePathSourceAdapter(
      const string& suffix = "",
      std::function<void(const string&)> call_on_destruct = {});
 
  ~FakeStoragePathSourceAdapter();
 
 private:
  Status Convert(const StoragePath& data,
                 StoragePath* const converted_data) override;
 
  const string suffix_;
  std::function<void(const string&)> call_on_destruct_;
};
 
}  // namespace test_util
}  // namespace serving
}  // namespace tensorflow
 
#endif  // TENSORFLOW_SERVING_CORE_TEST_UTIL_FAKE_STORAGE_PATH_SOURCE_ADAPTER_H_