public virtual void TestTruncate()
{
short repl = 3;
int blockSize = 1024;
int numOfBlocks = 2;
DistributedFileSystem fs = cluster.GetFileSystem();
Path dir = GetTestRootPath(fc, "test/hadoop");
Path file = GetTestRootPath(fc, "test/hadoop/file");
byte[] data = FileSystemTestHelper.GetFileData(numOfBlocks, blockSize);
FileSystemTestHelper.CreateFile(fs, file, data, blockSize, repl);
int newLength = blockSize;
bool isReady = fc.Truncate(file, newLength);
NUnit.Framework.Assert.IsTrue("Recovery is not expected.", isReady);
FileStatus fileStatus = fc.GetFileStatus(file);
NUnit.Framework.Assert.AreEqual(fileStatus.GetLen(), newLength);
AppendTestUtil.CheckFullFile(fs, file, newLength, data, file.ToString());
ContentSummary cs = fs.GetContentSummary(dir);
NUnit.Framework.Assert.AreEqual("Bad disk space usage", cs.GetSpaceConsumed(), newLength
* repl);
NUnit.Framework.Assert.IsTrue(fs.Delete(dir, true));
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestCreateFileAndMkdirs()
{
Path test_dir = new Path(TestRootDir, "test_dir");
Path test_file = new Path(test_dir, "file1");
Assert.True(fileSys.Mkdirs(test_dir));
int fileSize = new Random().Next(1 << 20) + 1;
FileSystemTestHelper.WriteFile(fileSys, test_file, fileSize);
{
//check FileStatus and ContentSummary
FileStatus status = fileSys.GetFileStatus(test_file);
Assert.Equal(fileSize, status.GetLen());
ContentSummary summary = fileSys.GetContentSummary(test_dir);
Assert.Equal(fileSize, summary.GetLength());
}
// creating dir over a file
Path bad_dir = new Path(test_file, "another_dir");
try
{
fileSys.Mkdirs(bad_dir);
NUnit.Framework.Assert.Fail("Failed to detect existing file in path");
}
catch (ParentNotDirectoryException)
{
}
// Expected
try
{
fileSys.Mkdirs(null);
NUnit.Framework.Assert.Fail("Failed to detect null in mkdir arg");
}
catch (ArgumentException)
{
}
}
public virtual void TestGetHeaderNoQuota()
{
string header = " directories files bytes ";
Assert.Equal(header, ContentSummary.GetHeader(false));
}
public virtual void TestGetHeaderWithQuota()
{
string header = " name quota rem name quota space quota " + "rem space quota directories files bytes ";
Assert.Equal(header, ContentSummary.GetHeader(true));
}
