public void TestCreateNewMaster()
{
var pm = new FilePersistenceManager();
var dirName = "TestCreateNewMaster1";
pm.CreateDirectory(dirName);
var storeConfig = new StoreConfiguration {PersistenceType = PersistenceType.AppendOnly};
var storeSetId = Guid.NewGuid();
var mf = MasterFile.Create(pm, dirName, storeConfig, storeSetId);
var storeId = mf.StoreId;
mf = MasterFile.Open(pm, dirName);
Assert.AreEqual(storeId, mf.StoreId);
Assert.AreEqual(storeSetId, mf.StoreSetId);
Assert.AreEqual(StoreType.Standard, mf.StoreType);
Assert.AreEqual(PersistenceType.AppendOnly, mf.PersistenceType);
dirName = "TestCreateNewMaster2";
pm.CreateDirectory(dirName);
storeConfig.PersistenceType = PersistenceType.Rewrite;
storeSetId = Guid.NewGuid();
mf = MasterFile.Create(pm, dirName, storeConfig, storeSetId);
storeId = mf.StoreId;
mf = MasterFile.Open(pm, dirName);
Assert.AreEqual(storeId, mf.StoreId);
Assert.AreEqual(storeSetId, mf.StoreSetId);
Assert.AreEqual(StoreType.Standard, mf.StoreType);
Assert.AreEqual(PersistenceType.Rewrite, mf.PersistenceType);
// Enumerating commit points of a new master file should not throw an error
Assert.AreEqual(0, mf.GetCommitPoints().Count());
}
public void TestAppendCommitPoint()
{
var pm = new FilePersistenceManager();
var dirName = "TestAppendCommitPoint";
pm.CreateDirectory(dirName);
var storeConfig = new StoreConfiguration {PersistenceType = PersistenceType.AppendOnly};
var storeSetId = Guid.NewGuid();
var mf = MasterFile.Create(pm, dirName, storeConfig, storeSetId);
DateTime commit1Time = DateTime.UtcNow;
Guid commit1JobId = Guid.NewGuid();
mf = MasterFile.Open(pm, dirName);
mf.AppendCommitPoint(new CommitPoint(1ul, 1ul, commit1Time, commit1JobId));
DateTime commit2Time = DateTime.UtcNow;
Guid commit2JobId = Guid.NewGuid();
mf = MasterFile.Open(pm, dirName);
mf.AppendCommitPoint(new CommitPoint(2ul, 2ul, commit2Time, commit2JobId));
mf = MasterFile.Open(pm, dirName);
var allCommits = mf.GetCommitPoints().ToList();
Assert.AreEqual(2, allCommits.Count);
Assert.AreEqual(2ul, allCommits[0].CommitNumber);
Assert.AreEqual(2ul, allCommits[0].LocationOffset);
Assert.AreEqual(commit2JobId, allCommits[0].JobId);
Assert.AreEqual(commit2Time.Ticks, allCommits[0].CommitTime.Ticks);
Assert.AreEqual(1ul, allCommits[1].CommitNumber);
Assert.AreEqual(1ul, allCommits[1].LocationOffset);
Assert.AreEqual(commit1JobId, allCommits[1].JobId);
Assert.AreEqual(commit1Time.Ticks, allCommits[1].CommitTime.Ticks);
var lastCommit = mf.GetLatestCommitPoint();
Assert.AreEqual(2ul, lastCommit.CommitNumber);
Assert.AreEqual(2ul, lastCommit.LocationOffset);
Assert.AreEqual(commit2JobId, lastCommit.JobId);
Assert.AreEqual(commit2Time.Ticks, lastCommit.CommitTime.Ticks);
}
public void TestCorruptCommitPoint()
{
var pm = new FilePersistenceManager();
var dirName = "TestCorruptCommitPoint";
pm.CreateDirectory(dirName);
var storeConfig = new StoreConfiguration { PersistenceType = PersistenceType.AppendOnly };
var storeSetId = Guid.NewGuid();
var mf = MasterFile.Create(pm, dirName, storeConfig, storeSetId);
DateTime commit1Time = DateTime.UtcNow;
Guid commit1JobId = Guid.NewGuid();
mf = MasterFile.Open(pm, dirName);
mf.AppendCommitPoint(new CommitPoint(1ul, 1ul, commit1Time, commit1JobId));
DateTime commit2Time = DateTime.UtcNow;
Guid commit2JobId = Guid.NewGuid();
mf = MasterFile.Open(pm, dirName);
mf.AppendCommitPoint(new CommitPoint(2ul, 2ul, commit2Time, commit2JobId));
mf = MasterFile.Open(pm, dirName);
var allCommits = mf.GetCommitPoints().ToList();
Assert.AreEqual(2, allCommits.Count);
using (var fs = pm.GetOutputStream(Path.Combine(dirName, MasterFile.MasterFileName), FileMode.Open))
{
fs.Seek(-250, SeekOrigin.End);
fs.WriteByte(255);
}
// Error in one half of commit point should not cause a problem
mf = MasterFile.Open(pm, dirName);
var lastCommit = mf.GetLatestCommitPoint();
allCommits = mf.GetCommitPoints().ToList();
Assert.AreEqual(2, allCommits.Count);
Assert.AreEqual(2ul, lastCommit.CommitNumber);
Assert.AreEqual(2ul, lastCommit.LocationOffset);
Assert.AreEqual(commit2JobId, lastCommit.JobId);
Assert.AreEqual(commit2Time.Ticks, lastCommit.CommitTime.Ticks);
using(var fs = pm.GetOutputStream(Path.Combine(dirName, MasterFile.MasterFileName), FileMode.Open))
{
fs.Seek(-120, SeekOrigin.End);
fs.WriteByte(255);
}
// Error in both halves of commit point should force a rewind to previous commit point
mf = MasterFile.Open(pm, dirName);
lastCommit = mf.GetLatestCommitPoint();
allCommits = mf.GetCommitPoints().ToList();
Assert.AreEqual(1, allCommits.Count);
Assert.AreEqual(1ul, lastCommit.CommitNumber);
Assert.AreEqual(1ul, lastCommit.LocationOffset);
Assert.AreEqual(commit1JobId, lastCommit.JobId);
Assert.AreEqual(commit1Time.Ticks, lastCommit.CommitTime.Ticks);
}