public virtual void TestExceptionDuringSave()
{
MockDirectoryWrapper dir = NewMockDirectory();
dir.FailOn(new FailureAnonymousInnerClassHelper(this, dir));
IndexWriter writer = new IndexWriter(dir, GetConfig(Random(), new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode.CREATE_OR_APPEND)));
writer.AddDocument(new Document());
writer.Commit();
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
try
{
psdp.Snapshot();
}
catch (IOException ioe)
{
if (ioe.Message.Equals("now fail on purpose", StringComparison.Ordinal))
{
// ok
}
else
{
throw ioe;
}
}
Assert.AreEqual(0, psdp.SnapshotCount);
writer.Dispose();
Assert.AreEqual(1, DirectoryReader.ListCommits(dir).Count);
dir.Dispose();
}
public virtual void TestExceptionDuringSave()
{
MockDirectoryWrapper dir = NewMockDirectory();
dir.FailOn(new FailureAnonymousClass(this, dir));
IndexWriter writer = new IndexWriter(dir, GetConfig(Random, new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode.CREATE_OR_APPEND)));
writer.AddDocument(new Document());
writer.Commit();
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
try
{
psdp.Snapshot();
}
catch (Exception ioe) when(ioe.IsIOException())
{
if (ioe.Message.Equals("now fail on purpose", StringComparison.Ordinal))
{
// ok
}
else
{
throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
}
}
Assert.AreEqual(0, psdp.SnapshotCount);
writer.Dispose();
Assert.AreEqual(1, DirectoryReader.ListCommits(dir).Count);
dir.Dispose();
}
public virtual void TestSnapshotReleaseByGeneration()
{
Directory dir = NewDirectory();
IndexWriter writer = new IndexWriter(dir, GetConfig(Random(), GetDeletionPolicy(dir)));
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
PrepareIndexAndSnapshots(psdp, writer, 1);
writer.Dispose();
psdp.Release(Snapshots[0].Generation);
psdp = new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode.APPEND);
Assert.AreEqual(0, psdp.SnapshotCount, "Should have no snapshots !");
dir.Dispose();
}
public virtual void TestExistingSnapshots()
{
int numSnapshots = 3;
MockDirectoryWrapper dir = NewMockDirectory();
IndexWriter writer = new IndexWriter(dir, GetConfig(Random(), GetDeletionPolicy(dir)));
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
Assert.IsNull(psdp.LastSaveFile);
PrepareIndexAndSnapshots(psdp, writer, numSnapshots);
Assert.IsNotNull(psdp.LastSaveFile);
writer.Dispose();
// Make sure only 1 save file exists:
int count = 0;
foreach (string file in dir.ListAll())
{
if (file.StartsWith(PersistentSnapshotDeletionPolicy.SNAPSHOTS_PREFIX, StringComparison.Ordinal))
{
count++;
}
}
Assert.AreEqual(1, count);
// Make sure we fsync:
dir.Crash();
dir.ClearCrash();
// Re-initialize and verify snapshots were persisted
psdp = new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode.APPEND);
writer = new IndexWriter(dir, GetConfig(Random(), psdp));
psdp = (PersistentSnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
Assert.AreEqual(numSnapshots, psdp.GetSnapshots().Count);
Assert.AreEqual(numSnapshots, psdp.SnapshotCount);
AssertSnapshotExists(dir, psdp, numSnapshots, false);
writer.AddDocument(new Document());
writer.Commit();
Snapshots.Add(psdp.Snapshot());
Assert.AreEqual(numSnapshots + 1, psdp.GetSnapshots().Count);
Assert.AreEqual(numSnapshots + 1, psdp.SnapshotCount);
AssertSnapshotExists(dir, psdp, numSnapshots + 1, false);
writer.Dispose();
dir.Dispose();
}
public virtual void TestExistingSnapshots()
{
int numSnapshots = 3;
MockDirectoryWrapper dir = NewMockDirectory();
IndexWriter writer = new IndexWriter(dir, GetConfig(Random(), GetDeletionPolicy(dir)));
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.DelPolicy;
Assert.IsNull(psdp.LastSaveFile);
PrepareIndexAndSnapshots(psdp, writer, numSnapshots);
Assert.IsNotNull(psdp.LastSaveFile);
writer.Dispose();
// Make sure only 1 save file exists:
int count = 0;
foreach (string file in dir.ListAll())
{
if (file.StartsWith(PersistentSnapshotDeletionPolicy.SNAPSHOTS_PREFIX))
{
count++;
}
}
Assert.AreEqual(1, count);
// Make sure we fsync:
dir.Crash();
dir.ClearCrash();
// Re-initialize and verify snapshots were persisted
psdp = new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode_e.APPEND);
writer = new IndexWriter(dir, GetConfig(Random(), psdp));
psdp = (PersistentSnapshotDeletionPolicy)writer.Config.DelPolicy;
Assert.AreEqual(numSnapshots, psdp.Snapshots.Count);
Assert.AreEqual(numSnapshots, psdp.SnapshotCount);
AssertSnapshotExists(dir, psdp, numSnapshots, false);
writer.AddDocument(new Document());
writer.Commit();
Snapshots.Add(psdp.Snapshot());
Assert.AreEqual(numSnapshots + 1, psdp.Snapshots.Count);
Assert.AreEqual(numSnapshots + 1, psdp.SnapshotCount);
AssertSnapshotExists(dir, psdp, numSnapshots + 1, false);
writer.Dispose();
dir.Dispose();
}
public virtual void TestSnapshotReleaseByGeneration()
{
Directory dir = NewDirectory();
IndexWriter writer = new IndexWriter(dir, GetConfig(Random(), GetDeletionPolicy(dir)));
PersistentSnapshotDeletionPolicy psdp = (PersistentSnapshotDeletionPolicy)writer.Config.DelPolicy;
PrepareIndexAndSnapshots(psdp, writer, 1);
writer.Dispose();
psdp.Release(Snapshots[0].Generation);
psdp = new PersistentSnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy(), dir, OpenMode_e.APPEND);
Assert.AreEqual(0, psdp.SnapshotCount, "Should have no snapshots !");
dir.Dispose();
}
