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// unit-test-file-system.cpp
#include "../../source/core/slang-file-system.h"
#include "../../source/core/slang-riff-file-system.h"
#include "../../source/core/slang-zip-file-system.h"
#include "../../source/core/slang-memory-file-system.h"
#include "../../source/core/slang-deflate-compression-system.h"
#include "../../source/core/slang-lz4-compression-system.h"
#include "tools/unit-test/slang-unit-test.h"
using namespace Slang;
namespace {
enum class FileSystemType
{
Zip,
RiffUncompressed,
RiffDeflate,
RiffLZ4,
Memory,
Relative,
CountOf,
};
struct Entry
{
typedef Entry ThisType;
bool operator<(const ThisType& rhs) const { return name < rhs.name; }
bool operator==(const ThisType& rhs) const { return name == rhs.name && type == rhs.type; }
bool operator!=(const ThisType& rhs) const { return !(*this == rhs); }
SlangPathType type;
String name;
};
} //
static SlangResult _createAndCheckFile(ISlangMutableFileSystem* fileSystem, const char* path, const char* contents)
{
UnownedStringSlice contentsSlice(contents);
SLANG_RETURN_ON_FAIL(fileSystem->saveFile(path, contentsSlice.begin(), contentsSlice.getLength()));
SlangPathType pathType;
SLANG_RETURN_ON_FAIL(fileSystem->getPathType(path, &pathType));
if (pathType != SLANG_PATH_TYPE_FILE)
{
return SLANG_FAIL;
}
ComPtr<ISlangBlob> blob;
SLANG_RETURN_ON_FAIL(fileSystem->loadFile(path, blob.writeRef()));
if (blob->getBufferSize() != contentsSlice.getLength())
{
return SLANG_FAIL;
}
if (contentsSlice != UnownedStringSlice((const char*)blob->getBufferPointer(), blob->getBufferSize()))
{
return SLANG_FAIL;
}
return SLANG_OK;
}
static SlangResult _createAndCheckDirectory(ISlangMutableFileSystem* fileSystem, const char* path)
{
SLANG_RETURN_ON_FAIL(fileSystem->createDirectory(path));
SlangPathType pathType;
SLANG_RETURN_ON_FAIL(fileSystem->getPathType(path, &pathType));
if (pathType != SLANG_PATH_TYPE_DIRECTORY)
{
return SLANG_FAIL;
}
return SLANG_OK;
}
static void _entryCallback(SlangPathType pathType, const char* name, void* userData)
{
List<Entry>& out = *(List<Entry>*)userData;
out.add(Entry{pathType, name});
}
static SlangResult _enumeratePath(ISlangMutableFileSystem* fileSystem, const char* path, const ConstArrayView<Entry>& entries)
{
List<Entry> contents;
SLANG_RETURN_ON_FAIL(fileSystem->enumeratePathContents(path, _entryCallback, (void*)&contents));
contents.sort();
if (contents.getArrayView() != entries)
{
return SLANG_FAIL;
}
return SLANG_OK;
}
static SlangResult _checkSimplifiedPath(ISlangMutableFileSystem* fileSystem, const char* path, const char* normalPath)
{
ComPtr<ISlangBlob> simplifiedPathBlob;
SLANG_RETURN_ON_FAIL(fileSystem->getSimplifiedPath(path, simplifiedPathBlob.writeRef()));
auto simplifiedPath = StringUtil::getString(simplifiedPathBlob);
if (simplifiedPath != normalPath)
{
return SLANG_FAIL;
}
return SLANG_OK;
}
static SlangResult _test(FileSystemType type)
{
ComPtr<ISlangMutableFileSystem> fileSystem;
switch (type)
{
case FileSystemType::Zip:
{
SLANG_RETURN_ON_FAIL(ZipFileSystem::create(fileSystem));
break;
}
case FileSystemType::RiffUncompressed:
{
fileSystem = new RiffFileSystem(nullptr);
break;
}
case FileSystemType::RiffDeflate:
{
fileSystem = new RiffFileSystem(DeflateCompressionSystem::getSingleton());
break;
}
case FileSystemType::RiffLZ4:
{
fileSystem = new RiffFileSystem(LZ4CompressionSystem::getSingleton());
break;
}
case FileSystemType::Memory:
{
fileSystem = new MemoryFileSystem;
break;
}
case FileSystemType::Relative:
{
ComPtr<ISlangMutableFileSystem> memoryFileSystem(new MemoryFileSystem);
memoryFileSystem->createDirectory("base");
fileSystem = new RelativeFileSystem(memoryFileSystem, "base");
break;
}
}
SLANG_RETURN_ON_FAIL(_createAndCheckFile(fileSystem, "a", "someText"));
SLANG_RETURN_ON_FAIL(_createAndCheckFile(fileSystem, "b", "A longer bit of text...."));
SLANG_RETURN_ON_FAIL(_createAndCheckDirectory(fileSystem, "d"));
SLANG_RETURN_ON_FAIL(_createAndCheckFile(fileSystem, "d/a", "Some more silly stuff"));
SLANG_RETURN_ON_FAIL(_createAndCheckFile(fileSystem, "d\\b", "Lets go empty"));
// Lets find all the files in the directory
{
const Entry entries[] = { {SLANG_PATH_TYPE_FILE, "a" }, {SLANG_PATH_TYPE_FILE, "b" } };
SLANG_RETURN_ON_FAIL(_enumeratePath(fileSystem, "d", makeConstArrayView(entries)));
}
{
const Entry entries[] = { {SLANG_PATH_TYPE_FILE, "a" }, {SLANG_PATH_TYPE_FILE, "b" }, {SLANG_PATH_TYPE_DIRECTORY, "d" } };
SLANG_RETURN_ON_FAIL(_enumeratePath(fileSystem, ".", makeConstArrayView(entries)));
}
{
SLANG_RETURN_ON_FAIL(_checkSimplifiedPath(fileSystem, "d/../a", "a"));
}
SLANG_RETURN_ON_FAIL(fileSystem->remove("d/a"));
{
const Entry entries[] = { {SLANG_PATH_TYPE_FILE, "b" } };
SLANG_RETURN_ON_FAIL(_enumeratePath(fileSystem, "d", makeConstArrayView(entries)));
}
SLANG_RETURN_ON_FAIL(fileSystem->remove("d\\b"));
{
SLANG_RETURN_ON_FAIL(_enumeratePath(fileSystem, "d", makeConstArrayView((const Entry*)nullptr, 0)));
}
// If it's removed it can't be removed again
SLANG_CHECK(SLANG_FAILED(fileSystem->remove("d\\b")));
// Remove the directory
SLANG_RETURN_ON_FAIL(fileSystem->remove("d"));
{
const Entry entries[] = { {SLANG_PATH_TYPE_FILE, "a" }, {SLANG_PATH_TYPE_FILE, "b" } };
SLANG_RETURN_ON_FAIL(_enumeratePath(fileSystem, ".", makeConstArrayView(entries)));
}
return SLANG_OK;
}
SLANG_UNIT_TEST(fileSystem)
{
for (Index i = 0; i < Count(FileSystemType::CountOf); ++i)
{
const auto type = FileSystemType(i);
auto const res = _test(type);
SLANG_CHECK(SLANG_SUCCEEDED(res));
}
}
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