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#include "storage.h"
#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/threading/future/async.h>
#include <util/datetime/base.h>
#include <util/folder/path.h>
#include <util/generic/algorithm.h>
#include <util/generic/yexception.h>
#include <util/stream/file.h>
#include <util/stream/input.h>
#include <util/stream/str.h>
using namespace NYql;
using namespace NThreading;
static TString DATA = "1234567890";
static TString DATA_MD5 = "e807f1fcf82d132f9bb018ca6738a19f";
Y_UNIT_TEST_SUITE(TStorageTests) {
class TTestDir {
private:
TFsPath Path_;
public:
TTestDir(const TString& name) {
Y_ENSURE(name.length() > 0, "have to specify name");
Y_ENSURE(name.find('.') == TString::npos, "must be simple name");
Y_ENSURE(name.find('/') == TString::npos, "must be simple name");
Y_ENSURE(name.find('\\') == TString::npos, "must be simple name");
Path_ = TFsPath(name);
Path_.ForceDelete();
Path_.MkDir();
}
~TTestDir() {
Path_.ForceDelete();
}
TFsPath GetFsPath() const {
return Path_;
}
};
TFileLinkPtr PutFile(const TString& name, TStorage& storage, const TString& tmpOutName = {}, int sleepSeconds = 0) {
return storage.Put(name, tmpOutName, DATA_MD5, [&](const TFsPath& storagePath) {
Sleep(TDuration::Seconds(sleepSeconds));
TStringInput in(DATA);
TUnbufferedFileOutput out(storagePath);
return std::make_pair(TransferData(&in, &out), DATA_MD5);
});
}
TFileLinkPtr PutFileWithSleep(const TString& name, TStorage& storage) {
return PutFile(name, storage, {}, 1);
}
Y_UNIT_TEST(Put) {
THolder<TStorage> storage = MakeHolder<TStorage>(10, 100);
TFileLinkPtr fileInStorage = PutFile("test.file", *storage, "somename");
TFsPath rootPath(fileInStorage->GetPath());
UNIT_ASSERT(rootPath.Exists());
UNIT_ASSERT_VALUES_EQUAL(rootPath.GetName(), "somename");
UNIT_ASSERT_VALUES_EQUAL(fileInStorage->GetStorageFileName(), "test.file");
UNIT_ASSERT(fileInStorage->GetPath().IsSubpathOf(storage->GetRoot().Fix()));
UNIT_ASSERT_VALUES_EQUAL(TIFStream(fileInStorage->GetPath()).ReadAll(), DATA);
UNIT_ASSERT_EQUAL(storage->GetCount(), 1);
UNIT_ASSERT_EQUAL(storage->GetOccupiedSize(), DATA.size());
fileInStorage.Reset();
UNIT_ASSERT(false == rootPath.Exists());
}
Y_UNIT_TEST(ParallelPut) {
THolder<TStorage> storage = MakeHolder<TStorage>(10, 100);
TThreadPool queue;
queue.Start(10);
TVector<TFuture<TFileLinkPtr>> res;
res.reserve(10);
for (size_t i = 0; i < 10; ++i) {
res.emplace_back(Async([&]() {
return PutFileWithSleep("test.file", *storage);
}, queue));
}
for (auto& f: res) {
f.Wait();
TFileLinkPtr fileInStorage = f.GetValue();
UNIT_ASSERT(fileInStorage->GetPath().Exists());
UNIT_ASSERT_VALUES_EQUAL(fileInStorage->GetStorageFileName(), "test.file");
UNIT_ASSERT(fileInStorage->GetPath().IsSubpathOf(storage->GetRoot().Fix()));
UNIT_ASSERT_VALUES_EQUAL(TIFStream(fileInStorage->GetPath()).ReadAll(), DATA);
UNIT_ASSERT_EQUAL(storage->GetCount(), 1);
UNIT_ASSERT_EQUAL(storage->GetOccupiedSize(), DATA.size());
}
}
Y_UNIT_TEST(CleanUp) {
THolder<TStorage> storage = MakeHolder<TStorage>(10, 100);
TFileLinkPtr fileInStorage = PutFile("test.file", *storage);
UNIT_ASSERT(fileInStorage->GetPath().Exists());
auto rootPath = storage->GetRoot();
storage.Destroy();
UNIT_ASSERT(!fileInStorage->GetPath().Exists());
UNIT_ASSERT(!rootPath.Exists());
}
Y_UNIT_TEST(DisplaceByCount) {
ui64 maxCount = 2;
THolder<TStorage> storage = MakeHolder<TStorage>(maxCount, 100);
TFileLinkPtr file1 = PutFile("test1.file", *storage);
TFileLinkPtr file2 = PutFile("test2.file", *storage);
UNIT_ASSERT_VALUES_EQUAL(storage->GetCount(), 2);
UNIT_ASSERT_VALUES_EQUAL(storage->GetOccupiedSize(), 2 * DATA.size());
UNIT_ASSERT(file1->GetPath().Exists());
UNIT_ASSERT(file2->GetPath().Exists());
TFileLinkPtr file3 = PutFileWithSleep("test3.file", *storage);
// after putting 3rd file we exceeded the limit by count
// and cleaned up half of the original maxCount files
UNIT_ASSERT_VALUES_EQUAL(storage->GetCount(), maxCount / 2);
UNIT_ASSERT_VALUES_EQUAL(storage->GetOccupiedSize(), (maxCount / 2) * DATA.size());
// despite of file1 and file2 are displaced from storage, we still
// have temporary hardlinks to it
UNIT_ASSERT(file1->GetPath().Exists());
UNIT_ASSERT(file2->GetPath().Exists());
UNIT_ASSERT(file3->GetPath().Exists());
TVector<TString> filesInStorage;
storage->GetRoot().ListNames(filesInStorage);
UNIT_ASSERT_EQUAL(filesInStorage.size(), 2); // 1 file + 1 hardlink directory
auto beg = filesInStorage.begin(),
end = filesInStorage.end();
// file1 and file2 were displaced
UNIT_ASSERT(Find(beg, end, file1->GetStorageFileName()) == end);
UNIT_ASSERT(Find(beg, end, file2->GetStorageFileName()) == end);
UNIT_ASSERT(Find(beg, end, file3->GetStorageFileName()) != end);
}
Y_UNIT_TEST(DisplaceBySize) {
ui64 maxSize = 25;
THolder<TStorage> storage = MakeHolder<TStorage>(10, maxSize);
TFileLinkPtr file1 = PutFile("test1.file", *storage);
TFileLinkPtr file2 = PutFile("test2.file", *storage);
UNIT_ASSERT_VALUES_EQUAL(storage->GetCount(), 2);
UNIT_ASSERT_VALUES_EQUAL(storage->GetOccupiedSize(), 2 * DATA.size());
UNIT_ASSERT(file1->GetPath().Exists());
UNIT_ASSERT(file2->GetPath().Exists());
TFileLinkPtr file3 = PutFileWithSleep("test3.file", *storage);
// after putting 3rd file we exceeded the limit by size
// and cleaned up files till we get half of the original maxSize
UNIT_ASSERT_VALUES_EQUAL(storage->GetCount(), 1);
UNIT_ASSERT_VALUES_EQUAL(storage->GetOccupiedSize(), DATA.size());
// despite of file1 and file2 are displaced from storage, we still
// have temporary hardlinks to it
UNIT_ASSERT(file1->GetPath().Exists());
UNIT_ASSERT(file2->GetPath().Exists());
UNIT_ASSERT(file3->GetPath().Exists());
TVector<TString> filesInStorage;
storage->GetRoot().ListNames(filesInStorage);
UNIT_ASSERT_EQUAL(filesInStorage.size(), 2); // 1 file + 1 hardlink directory
auto beg = filesInStorage.begin(),
end = filesInStorage.end();
// file1 and file2 were displaced
UNIT_ASSERT(Find(beg, end, file1->GetStorageFileName()) == end);
UNIT_ASSERT(Find(beg, end, file2->GetStorageFileName()) == end);
UNIT_ASSERT(Find(beg, end, file3->GetStorageFileName()) != end);
}
Y_UNIT_TEST(PersistStorage) {
TTestDir dir("PersistStorage");
THolder<TStorage> storage = MakeHolder<TStorage>(100, 100, dir.GetFsPath());
auto rootPath = storage->GetRoot();
TFileLinkPtr fileInStorage = PutFile("test.file", *storage);
UNIT_ASSERT_EQUAL(storage->GetCount(), 1);
UNIT_ASSERT_EQUAL(storage->GetOccupiedSize(), DATA.size());
storage.Destroy();
UNIT_ASSERT(!fileInStorage->GetPath().Exists()); // hardlink was deleted
UNIT_ASSERT(rootPath.Exists());
UNIT_ASSERT((rootPath / fileInStorage->GetStorageFileName()).Exists());
storage.Reset(new TStorage(100, 100, dir.GetFsPath()));
UNIT_ASSERT_EQUAL(storage->GetCount(), 1);
UNIT_ASSERT_EQUAL(storage->GetOccupiedSize(), DATA.size());
}
}
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