nextcloud-desktop/test/testchunkingng.cpp

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2016-10-31 17:16:53 +03:00
/*
* 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, int 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
int 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; }));
}
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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"} } } });
const int size = 300 * 1000 * 1000; // 300 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);
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// 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
}
void testResume () {
FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
const int size = 300 * 1000 * 1000; // 300 MB
partialUpload(fakeFolder, "A/a0", size);
QCOMPARE(fakeFolder.uploadState().children.count(), 1);
auto chunkingId = fakeFolder.uploadState().children.first().name;
// Add a fake file to make sure it gets deleted
fakeFolder.uploadState().children.first().insert("10000", size);
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);
}
// 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 = 300 * 1000 * 1000; // 300 MB
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 = 300 * 1000 * 1000; // 300 MB
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 = 150 * 1000 * 1000; // 150 MB
// 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_conflict");
});
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 = 150 * 1000 * 1000; // 150 MB
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 = 300 * 1000 * 1000; // 300 MB
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);
}
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};
QTEST_GUILESS_MAIN(TestChunkingNG)
#include "testchunkingng.moc"