public void ReadAndWriteJournalFile() { string path = Path.GetFullPath("TestData\\RWJournal"); if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } JournalWriter jw = new JournalWriter(path, 324, false); List <KeyValuePair <Key, Value> > items = new List <KeyValuePair <Key, Value> > (); for (int i = 0; i < 10000; i++) { Key randKey = Key.Random(20); Value randValue = Value.Random(100); jw.Add(randKey, randValue); items.Add(new KeyValuePair <Key, Value> (randKey, randValue)); } jw.Close(); JournalReader jr = new JournalReader(path, 324); int j = 0; foreach (var pair in jr.Enumerate()) { Assert.AreEqual(items [j].Key, pair.Key); Assert.AreEqual(items [j].Value, pair.Value); j++; } jr.Close(); }
public void ReadCorruptedJournalFile() { string path = Path.GetFullPath("TestData\\ReadCorruptedJournal"); if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } JournalWriter jw = new JournalWriter(path, 324, false); List <KeyValuePair <Key, Value> > items = new List <KeyValuePair <Key, Value> > (); for (int i = 0; i < 10; i++) { Key randKey = Key.Random(20); Value randValue = Value.Random(100); jw.Add(randKey, randValue); items.Add(new KeyValuePair <Key, Value> (randKey, randValue)); } jw.Close(); // Reopen the file and add a partial record var fileName = Config.JournalFile(path, 324); var writer = new BinaryWriter(new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.None, 1024, false)); Key key = Key.Random(20); writer.Write7BitEncodedInt(key.Length); writer.Write(key.InternalBytes); writer.Write7BitEncodedInt(0); writer.Flush(); writer.Close(); JournalReader jr = new JournalReader(path, 324); int j = 0; foreach (var pair in jr.Enumerate()) { Assert.AreEqual(items [j].Key, pair.Key); Assert.AreEqual(items [j].Value, pair.Value); j++; } jr.Close(); }
public void AddAndLookupItemsPersisted() { string path = Path.GetFullPath("TestData\\AddAndLookupItemsPersisted"); if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } JournalWriter jw = new JournalWriter("TestData\\AddAndLookupItemsPersisted", 523, false); List <KeyValuePair <Key, Value> > values = new List <KeyValuePair <Key, Value> >(); for (int i = 0; i < 10000; i++) { var randomKey = Key.Random(40); var randomValue = Value.Random(256); values.Add(new KeyValuePair <Key, Value>(randomKey, randomValue)); jw.Add(randomKey, randomValue); } jw.Close(); MemTable mtl = new MemTable(); mtl.ReadFromJournal("TestData\\AddAndLookupItemsPersisted", 523); Value value; foreach (var pair in values) { Assert.IsTrue(mtl.Lookup(pair.Key, out value)); Assert.AreEqual(pair.Value, value); } Assert.IsFalse(mtl.Lookup(Key.Random(40), out value)); Assert.AreEqual(10000 * (40 + 256), mtl.Size); Assert.IsTrue(mtl.Full); }