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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/documentapi/messagebus/documentprotocol.h>
#include <vespa/messagebus/routable.h>
#include <vespa/vespalib/component/version.h>
#include <gtest/gtest.h>
#include <array>
#include <filesystem>
#include <functional>
namespace documentapi {
struct MessageFixture : ::testing::Test {
std::shared_ptr<const document::DocumentTypeRepo> _repo;
const std::filesystem::path _data_path;
DocumentProtocol _protocol;
// Declares what languages share serialization.
enum {
LANG_CPP = 0,
LANG_JAVA,
NUM_LANGUAGES
};
static constexpr std::array<uint32_t, 2> languages() noexcept {
return {LANG_CPP, LANG_JAVA};
}
MessageFixture();
~MessageFixture() override;
[[nodiscard]] virtual vespalib::Version tested_protocol_version() const = 0;
using Tamper = std::function<mbus::Blob(mbus::Blob)>;
[[nodiscard]] static mbus::Blob truncate(mbus::Blob data, size_t bytes);
[[nodiscard]] static mbus::Blob pad(mbus::Blob data, size_t bytes);
[[nodiscard]] const document::DocumentTypeRepo& type_repo() const noexcept { return *_repo; }
[[nodiscard]] static bool write_file(const std::filesystem::path& filename, const mbus::Blob& blob);
[[nodiscard]] static mbus::Blob read_file(const std::filesystem::path& filename);
uint32_t serialize(const std::string& filename, const mbus::Routable& routable, Tamper tamper);
uint32_t serialize(const std::string& filename, const mbus::Routable& routable) {
return serialize(filename, routable, [](auto x) noexcept { return x; });
}
[[nodiscard]] mbus::Routable::UP deserialize(const std::string& filename, uint32_t classId, uint32_t lang);
static void dump(const mbus::Blob& blob);
[[nodiscard]] std::filesystem::path path_to_file(const std::string& filename) const {
return _data_path / filename;
}
[[nodiscard]] mbus::Blob encode(const mbus::Routable& obj) const {
return _protocol.encode(tested_protocol_version(), obj);
}
[[nodiscard]] mbus::Routable::UP decode(mbus::BlobRef data) const {
return _protocol.decode(tested_protocol_version(), data);
}
private:
[[nodiscard]] static bool file_content_is_unchanged(const std::filesystem::path& filename, const mbus::Blob& data_to_write);
};
} // documentapi
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