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o3de/Code/Framework/AzToolsFramework/Tests/Prefab/MockPrefabFileIOActionValid...

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C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Prefab/MockPrefabFileIOActionValidator.h>
#include <AzCore/IO/Path/Path.h>
#include <AzCore/JSON/prettywriter.h>
#include <Prefab/PrefabLoaderInterface.h>
namespace UnitTest
{
MockPrefabFileIOActionValidator::MockPrefabFileIOActionValidator()
{
// Cache the existing file io instance and build our mock file io
m_priorFileIO = AZ::IO::FileIOBase::GetInstance();
m_fileIOMock = AZStd::make_unique<testing::NiceMock<AZ::IO::MockFileIOBase>>();
// Swap out current file io instance for our mock
AZ::IO::FileIOBase::SetInstance(nullptr);
AZ::IO::FileIOBase::SetInstance(m_fileIOMock.get());
// Setup the default returns for our mock file io calls
AZ::IO::MockFileIOBase::InstallDefaultReturns(*m_fileIOMock.get());
}
MockPrefabFileIOActionValidator::~MockPrefabFileIOActionValidator()
{
// Restore our original file io instance
AZ::IO::FileIOBase::SetInstance(nullptr);
AZ::IO::FileIOBase::SetInstance(m_priorFileIO);
}
void MockPrefabFileIOActionValidator::ReadPrefabDom(
AZ::IO::PathView prefabFilePath,
const AzToolsFramework::Prefab::PrefabDom& prefabFileContentDom,
AZ::IO::ResultCode expectedReadResultCode,
AZ::IO::ResultCode expectedOpenResultCode,
AZ::IO::ResultCode expectedSizeResultCode,
AZ::IO::ResultCode expectedCloseResultCode)
{
rapidjson::StringBuffer prefabFileContentBuffer;
rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(prefabFileContentBuffer);
prefabFileContentDom.Accept(writer);
AZStd::string prefabFileContent(prefabFileContentBuffer.GetString());
ReadPrefabDom(prefabFilePath, prefabFileContent,
expectedReadResultCode, expectedOpenResultCode, expectedSizeResultCode, expectedCloseResultCode);
}
void MockPrefabFileIOActionValidator::ReadPrefabDom(
AZ::IO::PathView prefabFilePath,
const AZStd::string& prefabFileContent,
AZ::IO::ResultCode expectedReadResultCode,
AZ::IO::ResultCode expectedOpenResultCode,
AZ::IO::ResultCode expectedSizeResultCode,
AZ::IO::ResultCode expectedCloseResultCode)
{
AZ::IO::HandleType fileHandle = m_fileHandleCounter++;
AZ::IO::Path prefabFullPath = AZ::Interface<AzToolsFramework::Prefab::PrefabLoaderInterface>::Get()->GetFullPath(AZStd::string_view(prefabFilePath));
EXPECT_CALL(*m_fileIOMock.get(), Open(
testing::StrEq(prefabFullPath.c_str()), testing::_, testing::_))
.WillRepeatedly(
testing::DoAll(
testing::SetArgReferee<2>(fileHandle),
testing::Return(AZ::IO::Result(expectedOpenResultCode))));
EXPECT_CALL(*m_fileIOMock.get(), Size(fileHandle, testing::_))
.WillRepeatedly(
testing::DoAll(
testing::SetArgReferee<1>(prefabFileContent.size()),
testing::Return(AZ::IO::Result(expectedSizeResultCode))));
EXPECT_CALL(*m_fileIOMock.get(), Read(fileHandle, testing::_, prefabFileContent.size(), testing::_, testing::_))
.WillRepeatedly(testing::Invoke([prefabFileContent, expectedReadResultCode](AZ::IO::HandleType, void* buffer, AZ::u64, bool, AZ::u64* bytesRead)
{
memcpy(buffer, prefabFileContent.data(), prefabFileContent.size());
*bytesRead = prefabFileContent.size();
return AZ::IO::Result(expectedReadResultCode);
}));
EXPECT_CALL(*m_fileIOMock.get(), Close(fileHandle))
.WillRepeatedly(testing::Return(AZ::IO::Result(expectedCloseResultCode)));
}
}