// Runs test, with one thread, using the specific failure
// to trigger an IOException
public virtual void _testSingleThreadFailure(MockDirectoryWrapper.Failure failure)
{
MockDirectoryWrapper dir = NewMockDirectory();
IndexWriter writer = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(2).SetMergeScheduler(new ConcurrentMergeScheduler()));
Document doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.StoreTermVectors = true;
customType.StoreTermVectorPositions = true;
customType.StoreTermVectorOffsets = true;
doc.Add(NewField("field", "aaa bbb ccc ddd eee fff ggg hhh iii jjj", customType));
for (int i = 0; i < 6; i++)
{
writer.AddDocument(doc);
}
dir.FailOn(failure);
failure.SetDoFail();
try
{
writer.AddDocument(doc);
writer.AddDocument(doc);
writer.Commit();
Assert.Fail("did not hit exception");
}
catch (IOException ioe)
{
}
failure.ClearDoFail();
writer.AddDocument(doc);
writer.Dispose(false);
dir.Dispose();
}
// Runs test, with multiple threads, using the specific
// failure to trigger an IOException
public virtual void TestMultipleThreadsFailure(Func <IConcurrentMergeScheduler> newScheduler, MockDirectoryWrapper.Failure failure)
{
int NUM_THREADS = 3;
for (int iter = 0; iter < 2; iter++)
{
if (VERBOSE)
{
Console.WriteLine("TEST: iter=" + iter);
}
MockDirectoryWrapper dir = NewMockDirectory();
var config = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()))
.SetMaxBufferedDocs(2)
.SetMergeScheduler(newScheduler())
.SetMergePolicy(NewLogMergePolicy(4));
IndexWriter writer = new IndexWriter(dir, config);
var scheduler = config.mergeScheduler as IConcurrentMergeScheduler;
if (scheduler != null)
{
scheduler.SetSuppressExceptions();
}
IndexerThread[] threads = new IndexerThread[NUM_THREADS];
for (int i = 0; i < NUM_THREADS; i++)
{
threads[i] = new IndexerThread(writer, true, NewField);
}
for (int i = 0; i < NUM_THREADS; i++)
{
threads[i].Start();
}
Thread.Sleep(10);
dir.FailOn(failure);
failure.SetDoFail();
for (int i = 0; i < NUM_THREADS; i++)
{
threads[i].Join();
Assert.IsTrue(threads[i].Error == null, "hit unexpected Throwable");
}
bool success = false;
try
{
writer.Dispose(false);
success = true;
}
catch (IOException)
{
failure.ClearDoFail();
writer.Dispose(false);
}
if (VERBOSE)
{
Console.WriteLine("TEST: success=" + success);
}
if (success)
{
IndexReader reader = DirectoryReader.Open(dir);
IBits delDocs = MultiFields.GetLiveDocs(reader);
for (int j = 0; j < reader.MaxDoc; j++)
{
if (delDocs == null || !delDocs.Get(j))
{
reader.Document(j);
reader.GetTermVectors(j);
}
}
reader.Dispose();
}
dir.Dispose();
}
}
