third_party/blink/renderer/platform/blob/testing/fake_blob.h

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_TESTING_FAKE_BLOB_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_TESTING_FAKE_BLOB_H_

#include "third_party/blink/public/mojom/blob/blob.mojom-blink.h"

namespace blink {

// Mocked Blob implementation for testing. Implements all methods except for
// ReadRange and ReadSideData.
class FakeBlob : public mojom::blink::Blob {
 public:
  struct State {
    bool did_initiate_read_operation = false;
  };

  FakeBlob(const String& uuid,
           const String& body = String(),
           State* state = nullptr);

  void Clone(mojom::blink::BlobRequest) override;
  void AsDataPipeGetter(network::mojom::blink::DataPipeGetterRequest) override;
  void ReadRange(uint64_t offset,
                 uint64_t length,
                 mojo::ScopedDataPipeProducerHandle,
                 mojom::blink::BlobReaderClientPtr) override;
  void ReadAll(mojo::ScopedDataPipeProducerHandle,
               mojom::blink::BlobReaderClientPtr) override;
  void ReadSideData(ReadSideDataCallback) override;
  void GetInternalUUID(GetInternalUUIDCallback) override;
 private:
  String uuid_;
  String body_;
  State* state_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BLOB_TESTING_FAKE_BLOB_H_