public virtual void TestAppendToEmptyFile()
{
ContractTestUtils.Touch(GetFileSystem(), target);
byte[] dataset = ContractTestUtils.Dataset(256, 'a', 'z');
FSDataOutputStream outputStream = GetFileSystem().Append(target);
try
{
outputStream.Write(dataset);
}
finally
{
outputStream.Close();
}
byte[] bytes = ContractTestUtils.ReadDataset(GetFileSystem(), target, dataset.Length
);
ContractTestUtils.CompareByteArrays(dataset, bytes, dataset.Length);
}
public virtual void TestRenameFileBeingAppended()
{
ContractTestUtils.Touch(GetFileSystem(), target);
AssertPathExists("original file does not exist", target);
byte[] dataset = ContractTestUtils.Dataset(256, 'a', 'z');
FSDataOutputStream outputStream = GetFileSystem().Append(target);
outputStream.Write(dataset);
Path renamed = new Path(testPath, "renamed");
outputStream.Close();
string listing = Ls(testPath);
//expected: the stream goes to the file that was being renamed, not
//the original path
AssertPathExists("renamed destination file does not exist", renamed);
AssertPathDoesNotExist("Source file found after rename during append:\n" + listing
, target);
byte[] bytes = ContractTestUtils.ReadDataset(GetFileSystem(), renamed, dataset.Length
);
ContractTestUtils.CompareByteArrays(dataset, bytes, dataset.Length);
}
public virtual void TestMkdirOverParentFile()
{
Describe("try to mkdir where a parent is a file");
FileSystem fs = GetFileSystem();
Path path = Path("testMkdirOverParentFile");
byte[] dataset = ContractTestUtils.Dataset(1024, ' ', 'z');
ContractTestUtils.CreateFile(GetFileSystem(), path, false, dataset);
Path child = new Path(path, "child-to-mkdir");
try
{
bool made = fs.Mkdirs(child);
NUnit.Framework.Assert.Fail("mkdirs did not fail over a file but returned " + made
+ "; " + Ls(path));
}
catch (ParentNotDirectoryException e)
{
//parent is a directory
HandleExpectedException(e);
}
catch (FileAlreadyExistsException e)
{
HandleExpectedException(e);
}
catch (IOException e)
{
HandleRelaxedException("mkdirs", "ParentNotDirectoryException", e);
}
AssertIsFile(path);
byte[] bytes = ContractTestUtils.ReadDataset(GetFileSystem(), path, dataset.Length
);
ContractTestUtils.CompareByteArrays(dataset, bytes, dataset.Length);
AssertPathExists("mkdir failed", path);
AssertDeleted(path, true);
}
