Rename detection: File size must be equal

Comparison of file sizes for potential conflicts was added in
0eb9401c62, but did not extend to checking
the file size in case of potential local moves.

This commit adds this check and adds tests for various move+change
scenarios.
This commit is contained in:
Christian Kamm 2017-10-05 11:39:35 +02:00 committed by ckamm
parent 22f71ce17e
commit 90befac901
2 changed files with 80 additions and 2 deletions

View file

@ -265,8 +265,8 @@ static int _csync_detect_update(CSYNC *ctx, std::unique_ptr<csync_file_stat_t> f
fs->instruction = CSYNC_INSTRUCTION_NEW;
bool isRename =
base.isValid() && base._inode == fs->inode && base._type == fs->type
&& (base._modtime == fs->modtime || fs->type == CSYNC_FTW_TYPE_DIR)
base.isValid() && base._type == fs->type
&& ((base._modtime == fs->modtime && base._fileSize == fs->size) || fs->type == CSYNC_FTW_TYPE_DIR)
#ifdef NO_RENAME_EXTENSION
&& _csync_sameextension(base._path, fs->path)
#endif

View file

@ -535,6 +535,84 @@ private slots:
QCOMPARE(nPUT, 6);
QCOMPARE(n507, 3);
}
void testLocalMove()
{
FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
int nPUT = 0;
int nDELETE = 0;
fakeFolder.setServerOverride([&](QNetworkAccessManager::Operation op, const QNetworkRequest &) {
if (op == QNetworkAccessManager::PutOperation)
++nPUT;
if (op == QNetworkAccessManager::DeleteOperation)
++nDELETE;
return nullptr;
});
// For directly editing the remote checksum
FileInfo &remoteInfo = fakeFolder.remoteModifier();
// Simple move causing a remote rename
fakeFolder.localModifier().rename("A/a1", "A/a1m");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
QCOMPARE(nPUT, 0);
// Move-and-change, causing a upload and delete
fakeFolder.localModifier().rename("A/a2", "A/a2m");
fakeFolder.localModifier().appendByte("A/a2m");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
QCOMPARE(nPUT, 1);
QCOMPARE(nDELETE, 1);
// Move-and-change, mtime+content only
fakeFolder.localModifier().rename("B/b1", "B/b1m");
fakeFolder.localModifier().setContents("B/b1m", 'C');
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
QCOMPARE(nPUT, 2);
QCOMPARE(nDELETE, 2);
// Move-and-change, size+content only
auto mtime = fakeFolder.remoteModifier().find("B/b2")->lastModified;
fakeFolder.localModifier().rename("B/b2", "B/b2m");
fakeFolder.localModifier().appendByte("B/b2m");
fakeFolder.localModifier().setModTime("B/b2m", mtime);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
QCOMPARE(nPUT, 3);
QCOMPARE(nDELETE, 3);
// Move-and-change, content only -- c1 has no checksum, so we fail to detect this!
mtime = fakeFolder.remoteModifier().find("C/c1")->lastModified;
fakeFolder.localModifier().rename("C/c1", "C/c1m");
fakeFolder.localModifier().setContents("C/c1m", 'C');
fakeFolder.localModifier().setModTime("C/c1m", mtime);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(nPUT, 3);
QCOMPARE(nDELETE, 3);
QVERIFY(!(fakeFolder.currentLocalState() == remoteInfo));
// cleanup, and upload a file that will have a checksum in the db
fakeFolder.localModifier().remove("C/c1m");
fakeFolder.localModifier().insert("C/c3");
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
QCOMPARE(nPUT, 4);
QCOMPARE(nDELETE, 4);
// Move-and-change, content only, this time while having a checksum
mtime = fakeFolder.remoteModifier().find("C/c3")->lastModified;
fakeFolder.localModifier().rename("C/c3", "C/c3m");
fakeFolder.localModifier().setContents("C/c3m", 'C');
fakeFolder.localModifier().setModTime("C/c3m", mtime);
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(nPUT, 5);
QCOMPARE(nDELETE, 5);
QCOMPARE(fakeFolder.currentLocalState(), remoteInfo);
}
};
QTEST_GUILESS_MAIN(TestSyncEngine)