public void append_data_when_set_version_where_does_not_correspond_real_version()
{
var key = Guid.NewGuid().ToString();
using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
{
store.Initialize();
store.Append(key, Encoding.UTF8.GetBytes("test message1"), 100);
var data = store.ReadRecords(key, -1, 2).ToArray();
CollectionAssert.IsEmpty(data);
}
}
public void append_data()
{
using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
{
store.Initialize();
var currentVersion = store.GetCurrentVersion();
const int messagesCount = 3;
for (int i = 0; i < messagesCount; i++)
{
store.Append("stream1", Encoding.UTF8.GetBytes("test message" + i));
}
var data = store.ReadRecords("stream1", currentVersion, Int32.MaxValue).ToArray();
for (int i = 0; i < messagesCount; i++)
{
Assert.AreEqual("test message" + i, Encoding.UTF8.GetString(data[i].Data));
}
Assert.AreEqual(messagesCount, data.Length);
}
}
public void load_cache()
{
CreateCacheFiles();
using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
{
store.LoadCaches();
for (int j = 0; j < DataFileCount; j++)
{
var key = "test-key" + j;
var data = store.ReadRecords(key, -1, Int32.MaxValue);
int i = 0;
foreach (var dataWithKey in data)
{
Assert.AreEqual("test messages" + i, Encoding.UTF8.GetString(dataWithKey.Data));
i++;
}
Assert.AreEqual(FileMessagesCount, i);
}
}
}
public void read_store_records_after_version()
{
var stream = Guid.NewGuid().ToString();
using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
{
store.Initialize();
var currentVersion = store.GetCurrentVersion();
for (int i = 0; i < 2; i++)
store.Append(stream, Encoding.UTF8.GetBytes("test message" + i));
var records = store.ReadRecords(currentVersion+1, Int32.MaxValue).ToArray();
Assert.AreEqual(1, records.Length);
Assert.AreEqual("test message1" , Encoding.UTF8.GetString(records[0].Data));
Assert.AreEqual(2, records[0].StreamVersion);
Assert.AreEqual(currentVersion+2, records[0].StoreVersion);
}
}
public void read_all_records_by_stream()
{
var stream = Guid.NewGuid().ToString();
using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
{
store.Initialize();
for (int i = 0; i < 2; i++)
store.Append(stream, Encoding.UTF8.GetBytes("test message" + i));
var records = store.ReadRecords(stream, -1, Int32.MaxValue).ToArray();
Assert.AreEqual(2, records.Length);
for (int i = 0; i < 2; i++)
{
Assert.AreEqual("test message" + i, Encoding.UTF8.GetString(records[i].Data));
Assert.AreEqual(i + 1, records[i].StreamVersion);
}
}
}
public void load_cache_when_incorrect_data_file()
{
var currentPath = Path.Combine(_storePath, "EmptyCache");
Directory.CreateDirectory(currentPath);
var store = new FileAppendOnlyStore(new DirectoryInfo(currentPath));
//write frame
using (var stream = new FileStream(Path.Combine(currentPath, "0.dat"), FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite))
StorageFramesEvil.WriteFrame("test-key", 0, Encoding.UTF8.GetBytes("test message"), stream);
//write incorrect frame
using (var sw = new StreamWriter(Path.Combine(currentPath, "1.dat")))
sw.Write("incorrect frame data");
store.LoadCaches();
var data = store.ReadRecords(0, Int32.MaxValue).ToArray();
Assert.AreEqual(1, data.Length);
Assert.AreEqual("test-key", data[0].Key);
Assert.AreEqual(0, data[0].StreamVersion);
Assert.AreEqual("test message", Encoding.UTF8.GetString(data[0].Data));
Assert.IsTrue(File.Exists(Path.Combine(currentPath, "1.dat")));
}
