//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void incompleteEntriesAtTheEndShouldNotCauseFailures() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void IncompleteEntriesAtTheEndShouldNotCauseFailures()
{
// Given
// we use a RaftLog to create a raft log file and then we will start chopping bits off from the end
SegmentedRaftLog raftLog = CreateRaftLog(100_000);
raftLog.Start();
// Add a bunch of entries, preferably one of each available kind.
raftLog.Append(new RaftLogEntry(4, new NewLeaderBarrier()));
raftLog.Append(new RaftLogEntry(4, new ReplicatedIdAllocationRequest(new MemberId(System.Guid.randomUUID()), IdType.RELATIONSHIP, 1, 1024)));
raftLog.Append(new RaftLogEntry(4, new ReplicatedIdAllocationRequest(new MemberId(System.Guid.randomUUID()), IdType.RELATIONSHIP, 1025, 1024)));
raftLog.Append(new RaftLogEntry(4, new ReplicatedLockTokenRequest(new MemberId(System.Guid.randomUUID()), 1)));
raftLog.Append(new RaftLogEntry(4, new NewLeaderBarrier()));
raftLog.Append(new RaftLogEntry(5, new ReplicatedTokenRequest(TokenType.LABEL, "labelToken", new sbyte[] { 1, 2, 3 })));
raftLog.Append(new RaftLogEntry(5, ReplicatedTransaction.from(new sbyte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 })));
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);
// When
// We remove any number of bytes from the end (up to but not including the header) and try to recover
// Then
// No exceptions should be thrown
TruncateAndRecover(logFile, SegmentHeader.Size);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void incompleteHeaderOfLastOfMoreThanOneLogFilesShouldNotCauseFailure() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void IncompleteHeaderOfLastOfMoreThanOneLogFilesShouldNotCauseFailure()
{
// Given
// we use a RaftLog to create two log files, in order to chop the header of the second
SegmentedRaftLog raftLog = CreateRaftLog(1);
raftLog.Start();
raftLog.Append(new RaftLogEntry(4, new NewLeaderBarrier())); // will cause rotation
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);
// When
// We remove any number of bytes from the end of the second file and try to recover
// Then
// No exceptions should be thrown
TruncateAndRecover(logFile, 0);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRecoverSeveralSkips() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRecoverSeveralSkips()
{
// given
CreateLogFile(_fsa, 10, 1, 1, 20, 9);
CreateLogFile(_fsa, 100, 2, 2, 200, 99);
CreateLogFile(_fsa, 1000, 3, 3, 2000, 999);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
// when
State state = protocol.Run();
// then
assertEquals(2000, state.PrevIndex);
assertEquals(999, state.PrevTerm);
assertEquals(-1, state.Terms.get(20));
assertEquals(-1, state.Terms.get(200));
assertEquals(-1, state.Terms.get(1999));
assertEquals(999, state.Terms.get(2000));
assertEquals(-1, state.Terms.get(2001));
assertEquals(999, state.Terms.latest());
}
//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 shouldRecoverEvenIfLastHeaderIsMissing() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRecoverEvenIfLastHeaderIsMissing()
{
// given
CreateLogFile(_fsa, -1, 0, 0, -1, -1);
CreateEmptyLogFile(_fsa, 1);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
// when
protocol.Run();
// then
assertNotEquals(0, _fsa.getFileSize(_fileNames.getForVersion(1)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnEmptyStateOnEmptyDirectory() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReturnEmptyStateOnEmptyDirectory()
{
// given
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
// when
State state = protocol.Run();
// then
assertEquals(-1, state.AppendIndex);
assertEquals(-1, state.Terms.latest());
assertEquals(-1, state.PrevIndex);
assertEquals(-1, state.PrevTerm);
assertEquals(0, state.Segments.last().header().version());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailIfTheVersionNumberInTheHeaderAndFileNameDiffer() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFailIfTheVersionNumberInTheHeaderAndFileNameDiffer()
{
// given
CreateLogFile(_fsa, -1, 0, 1, -1, -1);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
try
{
// when
protocol.Run();
fail("Expected an exception");
}
catch (DamagedLogStorageException)
{
// expected
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRecoverAndBeAbleToSkip() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRecoverAndBeAbleToSkip()
{
// given
CreateLogFile(_fsa, -1, 0, 0, -1, -1);
CreateLogFile(_fsa, 10, 1, 1, 10, 0);
CreateLogFile(_fsa, 20, 2, 2, 20, 1);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
// when
State state = protocol.Run();
SegmentFile newFile = state.Segments.skip(20, 40, 2);
// then
assertEquals(20, newFile.Header().prevFileLastIndex());
assertEquals(3, newFile.Header().version());
assertEquals(40, newFile.Header().prevIndex());
assertEquals(2, newFile.Header().prevTerm());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailIfANonLastFileIsMissingHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFailIfANonLastFileIsMissingHeader()
{
// given
CreateLogFile(_fsa, -1, 0, 0, -1, -1);
CreateEmptyLogFile(_fsa, 1);
CreateLogFile(_fsa, -1, 2, 2, -1, -1);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
try
{
// when
protocol.Run();
fail("Expected an exception");
}
catch (DamagedLogStorageException)
{
// expected
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private int dump(String filenameOrDirectory, java.io.PrintStream out) throws java.io.IOException, DamagedLogStorageException, DisposedException
private int Dump(string filenameOrDirectory, PrintStream @out)
{
LogProvider logProvider = NullLogProvider.Instance;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int[] logsFound = {0};
int[] logsFound = new int[] { 0 };
FileNames fileNames = new FileNames(new File(filenameOrDirectory));
ReaderPool readerPool = new ReaderPool(0, logProvider, fileNames, _fileSystem, Clocks.systemClock());
RecoveryProtocol recoveryProtocol = new RecoveryProtocol(_fileSystem, fileNames, readerPool, _marshal, logProvider);
Segments segments = recoveryProtocol.Run().Segments;
segments.Visit(segment =>
{
logsFound[0]++;
@out.println("=== " + segment.Filename + " ===");
SegmentHeader header = segment.header();
@out.println(header.ToString());
try
{
using (IOCursor <EntryRecord> cursor = segment.getCursor(header.PrevIndex() + 1))
{
while (cursor.next())
{
@out.println(cursor.get().ToString());
}
}
}
catch (Exception e) when(e is DisposedException || e is IOException)
{
e.printStackTrace();
Environment.Exit(-1);
return(true);
}
return(false);
});
return(logsFound[0]);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void testRecoveryOfBootstrappedEntry(long bootstrapIndex, long bootstrapTerm) throws java.io.IOException, DamagedLogStorageException, DisposedException
private void TestRecoveryOfBootstrappedEntry(long bootstrapIndex, long bootstrapTerm)
{
// given
CreateLogFile(_fsa, -1, 0, 0, -1, -1);
CreateLogFile(_fsa, -1, 1, 1, bootstrapIndex, bootstrapTerm);
RecoveryProtocol protocol = new RecoveryProtocol(_fsa, _fileNames, _readerPool, _contentMarshal, NullLogProvider.Instance);
// when
State state = protocol.Run();
// then
assertEquals(bootstrapIndex, state.PrevIndex);
assertEquals(bootstrapTerm, state.PrevTerm);
assertEquals(-1, state.Terms.get(-1));
assertEquals(-1, state.Terms.get(bootstrapIndex - 1));
assertEquals(bootstrapTerm, state.Terms.get(bootstrapIndex));
assertEquals(-1, state.Terms.get(bootstrapIndex + 1));
assertEquals(bootstrapTerm, state.Terms.latest());
}
