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nextcloud-desktop/test/testchunkingng.cpp

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/*
* This software is in the public domain, furnished "as is", without technical
* support, and with no warranty, express or implied, as to its usefulness for
* any purpose.
*
*/
#include <QtTest>
#include "syncenginetestutils.h"
#include <syncengine.h>
using namespace OCC;
/* Upload a 1/3 of a file of given size.
* fakeFolder needs to be synchronized */
static void partialUpload(FakeFolder &fakeFolder, const QString &name, qint64 size)
{
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.uploadState().children.count(), 0); // The state should be clean
fakeFolder.localModifier().insert(name, size);
// Abort when the upload is at 1/3
qint64 sizeWhenAbort = -1;
auto con = QObject::connect(&fakeFolder.syncEngine(), &SyncEngine::transmissionProgress,
[&](const ProgressInfo &progress) {
if (progress.completedSize() > (progress.totalSize() /3 )) {
sizeWhenAbort = progress.completedSize();
fakeFolder.syncEngine().abort();
}
});
QVERIFY(!fakeFolder.syncOnce()); // there should have been an error
QObject::disconnect(con);
QVERIFY(sizeWhenAbort > 0);
QVERIFY(sizeWhenAbort < size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1); // the transfer was done with chunking
auto upStateChildren = fakeFolder.uploadState().children.first().children;
QCOMPARE(sizeWhenAbort, std::accumulate(upStateChildren.cbegin(), upStateChildren.cend(), 0,
[](int s, const FileInfo &i) { return s + i.size; }));
}
// Reduce max chunk size a bit so we get more chunks
static void setChunkSize(SyncEngine &engine, qint64 size)
{
SyncOptions options;
options._maxChunkSize = size;
options._initialChunkSize = size;
options._minChunkSize = size;
engine.setSyncOptions(options);
}
class TestChunkingNG : public QObject
{
Q_OBJECT
private slots:
void testFileUpload() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
const int size = 10 * 1000 * 1000; // 10 MB
fakeFolder.localModifier().insert("A/a0", size);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.uploadState().children.count(), 1); // the transfer was done with chunking
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// Check that another upload of the same file also work.
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.uploadState().children.count(), 2); // the transfer was done with chunking
}
// Test resuming when there's a confusing chunk added
void testResume1() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 10 * 1000 * 1000; // 10 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
const auto &chunkMap = fakeFolder.uploadState().children.first().children;
qint64 uploadedSize = std::accumulate(chunkMap.begin(), chunkMap.end(), 0LL, [](qint64 s, const FileInfo &f) { return s + f.size; });
QVERIFY(uploadedSize > 2 * 1000 * 1000); // at least 2 MB
// Add a fake chunk to make sure it gets deleted
fakeFolder.uploadState().children.first().insert("10000", size);
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
if (op == QNetworkAccessManager::PutOperation) {
// Test that we properly resuming and are not sending past data again.
Q_ASSERT(request.rawHeader("OC-Chunk-Offset").toLongLong() >= uploadedSize);
} else if (op == QNetworkAccessManager::DeleteOperation) {
Q_ASSERT(request.url().path().endsWith("/10000"));
}
return nullptr;
});
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// The same chunk id was re-used
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QCOMPARE(fakeFolder.uploadState().children.first().name, chunkingId);
}
// Test resuming when one of the uploaded chunks got removed
void testResume2() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
const int size = 30 * 1000 * 1000; // 30 MB
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
const auto &chunkMap = fakeFolder.uploadState().children.first().children;
qint64 uploadedSize = std::accumulate(chunkMap.begin(), chunkMap.end(), 0LL, [](qint64 s, const FileInfo &f) { return s + f.size; });
QVERIFY(uploadedSize > 2 * 1000 * 1000); // at least 50 MB
QVERIFY(chunkMap.size() >= 3); // at least three chunks
QStringList chunksToDelete;
// Remove the second chunk, so all further chunks will be deleted and resent
auto firstChunk = chunkMap.first();
auto secondChunk = *(chunkMap.begin() + 1);
for (const auto& name : chunkMap.keys().mid(2)) {
chunksToDelete.append(name);
}
fakeFolder.uploadState().children.first().remove(secondChunk.name);
QStringList deletedPaths;
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
if (op == QNetworkAccessManager::PutOperation) {
// Test that we properly resuming, not resending the first chunk
Q_ASSERT(request.rawHeader("OC-Chunk-Offset").toLongLong() >= firstChunk.size);
} else if (op == QNetworkAccessManager::DeleteOperation) {
deletedPaths.append(request.url().path());
}
return nullptr;
});
QVERIFY(fakeFolder.syncOnce());
for (const auto& toDelete : chunksToDelete) {
bool wasDeleted = false;
for (const auto& deleted : deletedPaths) {
if (deleted.mid(deleted.lastIndexOf('/') + 1) == toDelete) {
wasDeleted = true;
break;
}
}
QVERIFY(wasDeleted);
}
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// The same chunk id was re-used
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QCOMPARE(fakeFolder.uploadState().children.first().name, chunkingId);
}
// Test resuming when all chunks are already present
void testResume3() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 30 * 1000 * 1000; // 30 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
const auto &chunkMap = fakeFolder.uploadState().children.first().children;
qint64 uploadedSize = std::accumulate(chunkMap.begin(), chunkMap.end(), 0LL, [](qint64 s, const FileInfo &f) { return s + f.size; });
QVERIFY(uploadedSize > 5 * 1000 * 1000); // at least 5 MB
// Add a chunk that makes the file completely uploaded
fakeFolder.uploadState().children.first().insert(
QString::number(chunkMap.size()).rightJustified(16, '0'), size - uploadedSize);
bool sawPut = false;
bool sawDelete = false;
bool sawMove = false;
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
if (op == QNetworkAccessManager::PutOperation) {
sawPut = true;
} else if (op == QNetworkAccessManager::DeleteOperation) {
sawDelete = true;
} else if (request.attribute(QNetworkRequest::CustomVerbAttribute) == "MOVE") {
sawMove = true;
}
return nullptr;
});
QVERIFY(fakeFolder.syncOnce());
QVERIFY(sawMove);
QVERIFY(!sawPut);
QVERIFY(!sawDelete);
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// The same chunk id was re-used
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QCOMPARE(fakeFolder.uploadState().children.first().name, chunkingId);
}
// Test resuming (or rather not resuming!) for the error case of the sum of
// chunk sizes being larger than the file size
void testResume4() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 30 * 1000 * 1000; // 30 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
const auto &chunkMap = fakeFolder.uploadState().children.first().children;
qint64 uploadedSize = std::accumulate(chunkMap.begin(), chunkMap.end(), 0LL, [](qint64 s, const FileInfo &f) { return s + f.size; });
QVERIFY(uploadedSize > 5 * 1000 * 1000); // at least 5 MB
// Add a chunk that makes the file more than completely uploaded
fakeFolder.uploadState().children.first().insert(
QString::number(chunkMap.size()).rightJustified(16, '0'), size - uploadedSize + 100);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// Used a new transfer id but wiped the old one
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QVERIFY(fakeFolder.uploadState().children.first().name != chunkingId);
}
// Check what happens when we abort during the final MOVE and the
// the final MOVE takes longer than the abort-delay
void testLateAbortHard()
{
FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ { "chunking", "1.0" } } }, { "checksums", QVariantMap{ { "supportedTypes", QStringList() << "SHA1" } } } });
const int size = 15 * 1000 * 1000; // 15 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
// Make the MOVE never reply, but trigger a client-abort and apply the change remotely
QObject parent;
QByteArray moveChecksumHeader;
int nGET = 0;
int responseDelay = 100000; // bigger than abort-wait timeout
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
if (request.attribute(QNetworkRequest::CustomVerbAttribute) == "MOVE") {
QTimer::singleShot(50, &parent, [&]() { fakeFolder.syncEngine().abort(); });
moveChecksumHeader = request.rawHeader("OC-Checksum");
return new DelayedReply<FakeChunkMoveReply>(responseDelay, fakeFolder.uploadState(), fakeFolder.remoteModifier(), op, request, &parent);
} else if (op == QNetworkAccessManager::GetOperation) {
nGET++;
}
return nullptr;
});
// Test 1: NEW file aborted
fakeFolder.localModifier().insert("A/a0", size);
QVERIFY(!fakeFolder.syncOnce()); // error: abort!
// Now the next sync gets a NEW/NEW conflict and since there's no checksum
// it just becomes a UPDATE_METADATA
auto checkEtagUpdated = [&](SyncFileItemVector &items) {
QCOMPARE(items.size(), 1);
QCOMPARE(items[0]->_file, QLatin1String("A"));
SyncJournalFileRecord record;
QVERIFY(fakeFolder.syncJournal().getFileRecord(QByteArray("A/a0"), &record));
QCOMPARE(record._etag, fakeFolder.remoteModifier().find("A/a0")->etag);
};
auto connection = connect(&fakeFolder.syncEngine(), &SyncEngine::aboutToPropagate, checkEtagUpdated);
QVERIFY(fakeFolder.syncOnce());
disconnect(connection);
QCOMPARE(nGET, 0);
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Test 2: modified file upload aborted
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(!fakeFolder.syncOnce()); // error: abort!
// An EVAL/EVAL conflict is also UPDATE_METADATA when there's no checksums
connection = connect(&fakeFolder.syncEngine(), &SyncEngine::aboutToPropagate, checkEtagUpdated);
QVERIFY(fakeFolder.syncOnce());
disconnect(connection);
QCOMPARE(nGET, 0);
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Test 3: modified file upload aborted, with good checksums
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(!fakeFolder.syncOnce()); // error: abort!
// Set the remote checksum -- the test setup doesn't do it automatically
QVERIFY(!moveChecksumHeader.isEmpty());
fakeFolder.remoteModifier().find("A/a0")->checksums = moveChecksumHeader;
QVERIFY(fakeFolder.syncOnce());
disconnect(connection);
QCOMPARE(nGET, 0); // no new download, just a metadata update!
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Test 4: New file, that gets deleted locally before the next sync
fakeFolder.localModifier().insert("A/a3", size);
QVERIFY(!fakeFolder.syncOnce()); // error: abort!
fakeFolder.localModifier().remove("A/a3");
// bug: in this case we must expect a re-download of A/A3
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(nGET, 1);
QVERIFY(fakeFolder.currentLocalState().find("A/a3"));
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
}
// Check what happens when we abort during the final MOVE and the
// the final MOVE is short enough for the abort-delay to help
void testLateAbortRecoverable()
{
FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ { "chunking", "1.0" } } }, { "checksums", QVariantMap{ { "supportedTypes", QStringList() << "SHA1" } } } });
const int size = 15 * 1000 * 1000; // 15 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
// Make the MOVE never reply, but trigger a client-abort and apply the change remotely
QObject parent;
int responseDelay = 200; // smaller than abort-wait timeout
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
if (request.attribute(QNetworkRequest::CustomVerbAttribute) == "MOVE") {
QTimer::singleShot(50, &parent, [&]() { fakeFolder.syncEngine().abort(); });
return new DelayedReply<FakeChunkMoveReply>(responseDelay, fakeFolder.uploadState(), fakeFolder.remoteModifier(), op, request, &parent);
}
return nullptr;
});
// Test 1: NEW file aborted
fakeFolder.localModifier().insert("A/a0", size);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Test 2: modified file upload aborted
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
}
// We modify the file locally after it has been partially uploaded
void testRemoveStale1() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 10 * 1000 * 1000; // 10 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
fakeFolder.localModifier().setContents("A/a0", 'B');
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size + 1);
// A different chunk id was used, and the previous one is removed
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QVERIFY(fakeFolder.uploadState().children.first().name != chunkingId);
}
// We remove the file locally after it has been partially uploaded
void testRemoveStale2() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 10 * 1000 * 1000; // 10 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
fakeFolder.localModifier().remove("A/a0");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.uploadState().children.count(), 0);
}
void testCreateConflictWhileSyncing() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 10 * 1000 * 1000; // 10 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
// Put a file on the server and download it.
fakeFolder.remoteModifier().insert("A/a0", size);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Modify the file localy and start the upload
fakeFolder.localModifier().setContents("A/a0", 'B');
fakeFolder.localModifier().appendByte("A/a0");
// But in the middle of the sync, modify the file on the server
QMetaObject::Connection con = QObject::connect(&fakeFolder.syncEngine(), &SyncEngine::transmissionProgress,
[&](const ProgressInfo &progress) {
if (progress.completedSize() > (progress.totalSize() / 2 )) {
fakeFolder.remoteModifier().setContents("A/a0", 'C');
QObject::disconnect(con);
}
});
QVERIFY(!fakeFolder.syncOnce());
// There was a precondition failed error, this means wen need to sync again
QCOMPARE(fakeFolder.syncEngine().isAnotherSyncNeeded(), ImmediateFollowUp);
QCOMPARE(fakeFolder.uploadState().children.count(), 1); // We did not clean the chunks at this point
// Now we will download the server file and create a conflict
QVERIFY(fakeFolder.syncOnce());
auto localState = fakeFolder.currentLocalState();
// A0 is the one from the server
QCOMPARE(localState.find("A/a0")->size, size);
QCOMPARE(localState.find("A/a0")->contentChar, 'C');
// There is a conflict file with our version
auto &stateAChildren = localState.find("A")->children;
auto it = std::find_if(stateAChildren.cbegin(), stateAChildren.cend(), [&](const FileInfo &fi) {
return fi.name.startsWith("a0 (conflicted copy");
});
QVERIFY(it != stateAChildren.cend());
QCOMPARE(it->contentChar, 'B');
QCOMPARE(it->size, size+1);
// Remove the conflict file so the comparison works!
fakeFolder.localModifier().remove("A/" + it->name);
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.uploadState().children.count(), 0); // The last sync cleaned the chunks
}
void testModifyLocalFileWhileUploading() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 10 * 1000 * 1000; // 10 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
fakeFolder.localModifier().insert("A/a0", size);
// middle of the sync, modify the file
QMetaObject::Connection con = QObject::connect(&fakeFolder.syncEngine(), &SyncEngine::transmissionProgress,
[&](const ProgressInfo &progress) {
if (progress.completedSize() > (progress.totalSize() / 2 )) {
fakeFolder.localModifier().setContents("A/a0", 'B');
fakeFolder.localModifier().appendByte("A/a0");
QObject::disconnect(con);
}
});
QVERIFY(!fakeFolder.syncOnce());
// There should be a followup sync
QCOMPARE(fakeFolder.syncEngine().isAnotherSyncNeeded(), ImmediateFollowUp);
QCOMPARE(fakeFolder.uploadState().children.count(), 1); // We did not clean the chunks at this point
auto chunkingId = fakeFolder.uploadState().children.first().name;
// Now we make a new sync which should upload the file for good.
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size+1);
// A different chunk id was used, and the previous one is removed
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QVERIFY(fakeFolder.uploadState().children.first().name != chunkingId);
}
void testResumeServerDeletedChunks() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 30 * 1000 * 1000; // 30 MB
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
// Delete the chunks on the server
fakeFolder.uploadState().children.clear();
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// A different chunk id was used
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QVERIFY(fakeFolder.uploadState().children.first().name != chunkingId);
}
// Check what happens when the connection is dropped on the PUT (non-chunking) or MOVE (chunking)
// for on the issue #5106
void connectionDroppedBeforeEtagRecieved_data()
{
QTest::addColumn<bool>("chunking");
QTest::newRow("big file") << true;
QTest::newRow("small file") << false;
}
void connectionDroppedBeforeEtagRecieved()
{
QFETCH(bool, chunking);
FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ { "chunking", "1.0" } } }, { "checksums", QVariantMap{ { "supportedTypes", QStringList() << "SHA1" } } } });
const int size = chunking ? 1 * 1000 * 1000 : 300;
setChunkSize(fakeFolder.syncEngine(), 300 * 1000);
// Make the MOVE never reply, but trigger a client-abort and apply the change remotely
QByteArray checksumHeader;
int nGET = 0;
QScopedValueRollback<int> setHttpTimeout(AbstractNetworkJob::httpTimeout, 1);
int responseDelay = AbstractNetworkJob::httpTimeout * 1000 * 1000; // much bigger than http timeout (so a timeout will occur)
// This will perform the operation on the server, but the reply will not come to the client
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *outgoingData) -> QNetworkReply * {
if (!chunking) {
Q_ASSERT(!request.url().path().contains("/uploads/")
&& "Should not touch uploads endpoint when not chunking");
}
if (!chunking && op == QNetworkAccessManager::PutOperation) {
checksumHeader = request.rawHeader("OC-Checksum");
return new DelayedReply<FakePutReply>(responseDelay, fakeFolder.remoteModifier(), op, request, outgoingData->readAll(), &fakeFolder.syncEngine());
} else if (chunking && request.attribute(QNetworkRequest::CustomVerbAttribute) == "MOVE") {
checksumHeader = request.rawHeader("OC-Checksum");
return new DelayedReply<FakeChunkMoveReply>(responseDelay, fakeFolder.uploadState(), fakeFolder.remoteModifier(), op, request, &fakeFolder.syncEngine());
} else if (op == QNetworkAccessManager::GetOperation) {
nGET++;
}
return nullptr;
});
// Test 1: a NEW file
fakeFolder.localModifier().insert("A/a0", size);
QVERIFY(!fakeFolder.syncOnce()); // timeout!
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState()); // but the upload succeeded
QVERIFY(!checksumHeader.isEmpty());
fakeFolder.remoteModifier().find("A/a0")->checksums = checksumHeader; // The test system don't do that automatically
// Should be resolved properly
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(nGET, 0);
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Test 2: Modify the file further
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(!fakeFolder.syncOnce()); // timeout!
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState()); // but the upload succeeded
fakeFolder.remoteModifier().find("A/a0")->checksums = checksumHeader;
// modify again, should not cause conflict
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(!fakeFolder.syncOnce()); // now it's trying to upload the modified file
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
fakeFolder.remoteModifier().find("A/a0")->checksums = checksumHeader;
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(nGET, 0);
}
void testPercentEncoding() {
QTextCodec::codecForLocale()->setCodecForLocale(QTextCodec::codecForName("UTF-8"));
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 5 * 1000 * 1000;
setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
fakeFolder.localModifier().insert("A/file % \u20ac", size);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
// Only the second upload contains an "If" header
fakeFolder.localModifier().appendByte("A/file % \u20ac");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
}
// Test uploading large files (2.5GiB)
void testVeryBigFiles() {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const qint64 size = 2.5 * 1024 * 1024 * 1024; // 2.5 GiB
// Partial upload of big files
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
// Now resume
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size);
// The same chunk id was re-used
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
QCOMPARE(fakeFolder.uploadState().children.first().name, chunkingId);
// Upload another file again, this time without interruption
fakeFolder.localModifier().appendByte("A/a0");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
QCOMPARE(fakeFolder.currentRemoteState().find("A/a0")->size, size + 1);
}
};
QTEST_GUILESS_MAIN(TestChunkingNG)
#include "testchunkingng.moc"
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