/// <exception cref="System.IO.IOException"/>
public virtual void TestRenameAcrossFileSystemsViaLink()
{
Path localDir = new Path("file://" + wrapper.GetAbsoluteTestRootDir() + "/test");
Path hdfsFile = new Path(TestBaseDir1(), "file");
Path link = new Path(TestBaseDir1(), "link");
Path hdfsFileNew = new Path(TestBaseDir1(), "fileNew");
Path hdfsFileNewViaLink = new Path(link, "fileNew");
FSTestWrapper localWrapper = wrapper.GetLocalFSWrapper();
localWrapper.Delete(localDir, true);
localWrapper.Mkdir(localDir, FileContext.DefaultPerm, true);
localWrapper.SetWorkingDirectory(localDir);
CreateAndWriteFile(hdfsFile);
wrapper.CreateSymlink(localDir, link, false);
// Rename hdfs://test1/file to hdfs://test1/link/fileNew
// which renames to file://TEST_ROOT/test/fileNew which
// spans AbstractFileSystems and therefore fails.
try
{
wrapper.Rename(hdfsFile, hdfsFileNewViaLink);
NUnit.Framework.Assert.Fail("Renamed across file systems");
}
catch (InvalidPathException)
{
}
catch (ArgumentException e)
{
// Expected from FileContext
// Expected from Filesystem
GenericTestUtils.AssertExceptionContains("Wrong FS: ", e);
}
// Now rename hdfs://test1/link/fileNew to hdfs://test1/fileNew
// which renames file://TEST_ROOT/test/fileNew to hdfs://test1/fileNew
// which spans AbstractFileSystems and therefore fails.
CreateAndWriteFile(hdfsFileNewViaLink);
try
{
wrapper.Rename(hdfsFileNewViaLink, hdfsFileNew);
NUnit.Framework.Assert.Fail("Renamed across file systems");
}
catch (InvalidPathException)
{
}
catch (ArgumentException e)
{
// Expected from FileContext
// Expected from Filesystem
GenericTestUtils.AssertExceptionContains("Wrong FS: ", e);
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestLinkAcrossFileSystems()
{
Path localDir = new Path("file://" + wrapper.GetAbsoluteTestRootDir() + "/test");
Path localFile = new Path("file://" + wrapper.GetAbsoluteTestRootDir() + "/test/file"
);
Path link = new Path(TestBaseDir1(), "linkToFile");
FSTestWrapper localWrapper = wrapper.GetLocalFSWrapper();
localWrapper.Delete(localDir, true);
localWrapper.Mkdir(localDir, FileContext.DefaultPerm, true);
localWrapper.SetWorkingDirectory(localDir);
NUnit.Framework.Assert.AreEqual(localDir, localWrapper.GetWorkingDirectory());
CreateAndWriteFile(localWrapper, localFile);
wrapper.CreateSymlink(localFile, link, false);
ReadFile(link);
NUnit.Framework.Assert.AreEqual(fileSize, wrapper.GetFileStatus(link).GetLen());
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestCreateLinkToSlash()
{
Path dir = new Path(TestBaseDir1());
Path file = new Path(TestBaseDir1(), "file");
Path link = new Path(TestBaseDir1(), "linkToSlash");
Path fileViaLink = new Path(TestBaseDir1() + "/linkToSlash" + TestBaseDir1() + "/file"
);
CreateAndWriteFile(file);
wrapper.SetWorkingDirectory(dir);
wrapper.CreateSymlink(new Path("/"), link, false);
ReadFile(fileViaLink);
NUnit.Framework.Assert.AreEqual(fileSize, wrapper.GetFileStatus(fileViaLink).GetLen
());
// Ditto when using another file context since the file system
// for the slash is resolved according to the link's parent.
if (wrapper is FileContextTestWrapper)
{
FSTestWrapper localWrapper = wrapper.GetLocalFSWrapper();
Path linkQual = new Path(cluster.GetURI(0).ToString(), fileViaLink);
NUnit.Framework.Assert.AreEqual(fileSize, localWrapper.GetFileStatus(linkQual).GetLen
());
}
}