//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotAppendAtTheEndOfLogFileWithIncompleteEntries() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotAppendAtTheEndOfLogFileWithIncompleteEntries()
{
// Given
// we use a RaftLog to create a raft log file and then we will chop some bits off the end
SegmentedRaftLog raftLog = CreateRaftLog(100_000);
raftLog.Start();
raftLog.Append(new RaftLogEntry(4, new NewLeaderBarrier()));
raftLog.Stop();
// We use a temporary RecoveryProtocol to get the file to chop
RecoveryProtocol recovery = CreateRecoveryProtocol();
State recoveryState = Recovery.run();
string logFilename = recoveryState.Segments.last().Filename;
recoveryState.Segments.close();
File logFile = new File(_logDirectory, logFilename);
StoreChannel lastFile = FsRule.get().open(logFile, OpenMode.READ_WRITE);
long currentSize = lastFile.size();
lastFile.close();
// When
// We induce an incomplete entry at the end of the last file
lastFile = FsRule.get().open(logFile, OpenMode.READ_WRITE);
lastFile.Truncate(currentSize - 1);
lastFile.close();
// We start the raft log again, on the previous log file with truncated last entry.
raftLog = CreateRaftLog(100_000);
// Recovery will run here
raftLog.Start();
// Append an entry
raftLog.Append(new RaftLogEntry(4, new NewLeaderBarrier()));
// Then
// The log should report as containing only the last entry we've appended
using (RaftLogCursor entryCursor = raftLog.GetEntryCursor(0))
{
// There should be exactly one entry, of type NewLeaderBarrier
assertTrue(entryCursor.Next());
RaftLogEntry raftLogEntry = entryCursor.get();
assertEquals(typeof(NewLeaderBarrier), raftLogEntry.Content().GetType());
assertFalse(entryCursor.Next());
}
raftLog.Stop();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnFalseOnCursorForEntryThatWasPruned() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReturnFalseOnCursorForEntryThatWasPruned()
{
//given
SegmentedRaftLog segmentedRaftLog = CreateRaftLog(1, "keep_none");
long firstIndex = segmentedRaftLog.Append(new RaftLogEntry(1, ReplicatedInteger.valueOf(1)));
segmentedRaftLog.Append(new RaftLogEntry(2, ReplicatedInteger.valueOf(2)));
long lastIndex = segmentedRaftLog.Append(new RaftLogEntry(3, ReplicatedInteger.valueOf(3)));
//when
segmentedRaftLog.Prune(firstIndex);
RaftLogCursor entryCursor = segmentedRaftLog.GetEntryCursor(firstIndex);
bool next = entryCursor.Next();
//then
assertFalse(next);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnFalseOnCursorForEntryThatDoesntExist() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReturnFalseOnCursorForEntryThatDoesntExist()
{
//given
SegmentedRaftLog segmentedRaftLog = CreateRaftLog(1);
segmentedRaftLog.Append(new RaftLogEntry(1, ReplicatedInteger.valueOf(1)));
segmentedRaftLog.Append(new RaftLogEntry(2, ReplicatedInteger.valueOf(2)));
long lastIndex = segmentedRaftLog.Append(new RaftLogEntry(3, ReplicatedInteger.valueOf(3)));
//when
bool next;
using (RaftLogCursor entryCursor = segmentedRaftLog.GetEntryCursor(lastIndex + 1))
{
next = entryCursor.Next();
}
//then
assertFalse(next);
}