public virtual void TestSmallAppendRace()
{
Path file = new Path("/testSmallAppendRace");
string fName = file.ToUri().GetPath();
// Create the file and write a small amount of data.
FSDataOutputStream stm = fs.Create(file);
AppendTestUtil.Write(stm, 0, 123);
stm.Close();
// Introduce a delay between getFileInfo and calling append() against NN.
DFSClient client = DFSClientAdapter.GetDFSClient(fs);
DFSClient spyClient = Org.Mockito.Mockito.Spy(client);
Org.Mockito.Mockito.When(spyClient.GetFileInfo(fName)).ThenAnswer(new _Answer_548
(client, fName));
DFSClientAdapter.SetDFSClient(fs, spyClient);
// Create two threads for doing appends to the same file.
Sharpen.Thread worker1 = new _Thread_564(this, file);
Sharpen.Thread worker2 = new _Thread_574(this, file);
worker1.Start();
worker2.Start();
// append will fail when the file size crosses the checksum chunk boundary,
// if append was called with a stale file stat.
DoSmallAppends(file, fs, 20);
}
public virtual void TestClientThatDoesNotSupportEncryption()
{
MiniDFSCluster cluster = null;
try
{
Configuration conf = new Configuration();
// Set short retry timeouts so this test runs faster
conf.SetInt(DFSConfigKeys.DfsClientRetryWindowBase, 10);
cluster = new MiniDFSCluster.Builder(conf).Build();
FileSystem fs = GetFileSystem(conf);
WriteTestDataToFile(fs);
NUnit.Framework.Assert.AreEqual(PlainText, DFSTestUtil.ReadFile(fs, TestPath));
fs.Close();
cluster.Shutdown();
SetEncryptionConfigKeys(conf);
cluster = new MiniDFSCluster.Builder(conf).ManageDataDfsDirs(false).ManageNameDfsDirs
(false).Format(false).StartupOption(HdfsServerConstants.StartupOption.Regular).Build
();
fs = GetFileSystem(conf);
DFSClient client = DFSClientAdapter.GetDFSClient((DistributedFileSystem)fs);
DFSClient spyClient = Org.Mockito.Mockito.Spy(client);
Org.Mockito.Mockito.DoReturn(false).When(spyClient).ShouldEncryptData();
DFSClientAdapter.SetDFSClient((DistributedFileSystem)fs, spyClient);
GenericTestUtils.LogCapturer logs = GenericTestUtils.LogCapturer.CaptureLogs(LogFactory
.GetLog(typeof(DataNode)));
try
{
NUnit.Framework.Assert.AreEqual(PlainText, DFSTestUtil.ReadFile(fs, TestPath));
if (resolverClazz != null && !resolverClazz.EndsWith("TestTrustedChannelResolver"
))
{
NUnit.Framework.Assert.Fail("Should not have been able to read without encryption enabled."
);
}
}
catch (IOException ioe)
{
GenericTestUtils.AssertExceptionContains("Could not obtain block:", ioe);
}
finally
{
logs.StopCapturing();
}
fs.Close();
if (resolverClazz == null)
{
GenericTestUtils.AssertMatches(logs.GetOutput(), "Failed to read expected encryption handshake from client at"
);
}
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
