public virtual void TestReadURL()
{
HttpURLConnection conn = Org.Mockito.Mockito.Mock <HttpURLConnection>();
Org.Mockito.Mockito.DoReturn(new ByteArrayInputStream(FakeLogData)).When(conn).GetInputStream
();
Org.Mockito.Mockito.DoReturn(HttpURLConnection.HttpOk).When(conn).GetResponseCode
();
Org.Mockito.Mockito.DoReturn(Sharpen.Extensions.ToString(FakeLogData.Length)).When
(conn).GetHeaderField("Content-Length");
URLConnectionFactory factory = Org.Mockito.Mockito.Mock <URLConnectionFactory>();
Org.Mockito.Mockito.DoReturn(conn).When(factory).OpenConnection(Org.Mockito.Mockito
.Any <Uri>(), Matchers.AnyBoolean());
Uri url = new Uri("http://localhost/fakeLog");
EditLogInputStream elis = EditLogFileInputStream.FromUrl(factory, url, HdfsConstants
.InvalidTxid, HdfsConstants.InvalidTxid, false);
// Read the edit log and verify that we got all of the data.
EnumMap <FSEditLogOpCodes, Holder <int> > counts = FSImageTestUtil.CountEditLogOpTypes
(elis);
Assert.AssertThat(counts[FSEditLogOpCodes.OpAdd].held, CoreMatchers.Is(1));
Assert.AssertThat(counts[FSEditLogOpCodes.OpSetGenstampV1].held, CoreMatchers.Is(
1));
Assert.AssertThat(counts[FSEditLogOpCodes.OpClose].held, CoreMatchers.Is(1));
// Check that length header was picked up.
NUnit.Framework.Assert.AreEqual(FakeLogData.Length, elis.Length());
elis.Close();
}
/// <exception cref="System.IO.IOException"/>
private static EditLogInputStream GetJournalInputStream(JournalManager jm, long txId
, bool inProgressOk)
{
PriorityQueue <EditLogInputStream> allStreams = new PriorityQueue <EditLogInputStream
>(64, JournalSet.EditLogInputStreamComparator);
jm.SelectInputStreams(allStreams, txId, inProgressOk);
EditLogInputStream elis = null;
EditLogInputStream ret;
try
{
while ((elis = allStreams.Poll()) != null)
{
if (elis.GetFirstTxId() > txId)
{
break;
}
if (elis.GetLastTxId() < txId)
{
elis.Close();
continue;
}
elis.SkipUntil(txId);
ret = elis;
elis = null;
return(ret);
}
}
finally
{
IOUtils.Cleanup(Log, Sharpen.Collections.ToArray(allStreams, new EditLogInputStream
[0]));
IOUtils.Cleanup(Log, elis);
}
return(null);
}