/// <summary>Tests DataTransferProtocol with the given client configuration.</summary>
/// <param name="conf">client configuration</param>
/// <exception cref="System.IO.IOException">if there is an I/O error</exception>
private void DoTest(HdfsConfiguration conf)
{
fs = FileSystem.Get(cluster.GetURI(), conf);
FileSystemTestHelper.CreateFile(fs, Path, NumBlocks, BlockSize);
Assert.AssertArrayEquals(FileSystemTestHelper.GetFileData(NumBlocks, BlockSize),
Sharpen.Runtime.GetBytesForString(DFSTestUtil.ReadFile(fs, Path), "UTF-8"));
BlockLocation[] blockLocations = fs.GetFileBlockLocations(Path, 0, long.MaxValue);
NUnit.Framework.Assert.IsNotNull(blockLocations);
NUnit.Framework.Assert.AreEqual(NumBlocks, blockLocations.Length);
foreach (BlockLocation blockLocation in blockLocations)
{
NUnit.Framework.Assert.IsNotNull(blockLocation.GetHosts());
NUnit.Framework.Assert.AreEqual(3, blockLocation.GetHosts().Length);
}
}
/// <exception cref="System.Exception"/>
private void TestTruncate()
{
if (!IsLocalFS())
{
short repl = 3;
int blockSize = 1024;
int numOfBlocks = 2;
FileSystem fs = FileSystem.Get(GetProxiedFSConf());
fs.Mkdirs(GetProxiedFSTestDir());
Path file = new Path(GetProxiedFSTestDir(), "foo.txt");
byte[] data = FileSystemTestHelper.GetFileData(numOfBlocks, blockSize);
FileSystemTestHelper.CreateFile(fs, file, data, blockSize, repl);
int newLength = blockSize;
bool isReady = fs.Truncate(file, newLength);
NUnit.Framework.Assert.IsTrue("Recovery is not expected.", isReady);
FileStatus fileStatus = fs.GetFileStatus(file);
NUnit.Framework.Assert.AreEqual(fileStatus.GetLen(), newLength);
AppendTestUtil.CheckFullFile(fs, file, newLength, data, file.ToString());
fs.Close();
}
}
