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package ch.systemsx.cisd.base.unix;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.charset.Charset;
import org.apache.commons.io.FileUtils;
import org.testng.annotations.Test;
import ch.systemsx.cisd.base.BuildAndEnvironmentInfo;
import ch.systemsx.cisd.base.tests.AbstractFileSystemTestCase;
import ch.systemsx.cisd.base.unix.Unix.Stat;
/**
* Tests of the {@link Unix} class that can only be performed as user root.
*/
public class UnixRootTests extends AbstractFileSystemTestCase
{
@Test(groups =
{ "requires_unix" })
public void testChown() throws IOException
{
if (Unix.getUid() != 0)
{
System.out.println("Skipping test as we are not root.");
return;
}
final short accessMode = (short) 0777;
final String content = "someText\n";
final File f = new File(workingDirectory, "someFile");
final File s = new File(workingDirectory, "MyLink");
FileUtils.writeStringToFile(f, content, Charset.defaultCharset());
Unix.setAccessMode(f.getAbsolutePath(), accessMode);
final Stat info = Unix.getLinkInfo(f.getAbsolutePath());
Unix.setOwner(f.getAbsolutePath(), info.getUid(), info.getGid());
assertEquals(1, info.getNumberOfHardLinks());
assertEquals(content.length(), info.getSize());
assertEquals(accessMode, info.getPermissions());
final Unix.Password nobody = Unix.tryGetUserByName("nobody");
assertNotNull(nobody);
final Unix.Password daemon = Unix.tryGetUserByName("daemon");
assertNotNull(daemon);
Unix.setOwner(f.getAbsolutePath(), nobody);
Unix.createSymbolicLink(f.getAbsolutePath(), s.getAbsolutePath());
Unix.setLinkOwner(s.getAbsolutePath(), daemon);
final Unix.Stat fileInfo = Unix.getFileInfo(s.getAbsolutePath());
assertEquals(nobody.getUid(), fileInfo.getUid());
assertEquals(nobody.getGid(), fileInfo.getGid());
final Unix.Stat linkInfo = Unix.getLinkInfo(s.getAbsolutePath());
assertEquals(daemon.getUid(), linkInfo.getUid());
assertEquals(daemon.getGid(), linkInfo.getGid());
}
public static void main(String[] args) throws Throwable
{
System.out.println(BuildAndEnvironmentInfo.INSTANCE);
System.out.println("Test class: " + UnixRootTests.class.getSimpleName());
System.out.println();
if (Unix.isOperational() == false)
{
System.err.println("No unix library found.");
System.exit(1);
}
final UnixRootTests test = new UnixRootTests();
try
{
for (Method m : UnixRootTests.class.getMethods())
{
final Test testAnnotation = m.getAnnotation(Test.class);
if (testAnnotation == null)
{
continue;
}
System.out.println("Running " + m.getName());
test.setUp();
try
{
m.invoke(test);
} catch (InvocationTargetException wrapperThrowable)
{
final Throwable th = wrapperThrowable.getCause();
boolean exceptionFound = false;
for (Class<?> expectedExClazz : testAnnotation.expectedExceptions())
{
if (expectedExClazz == th.getClass())
{
exceptionFound = true;
break;
}
}
if (exceptionFound == false)
{
throw th;
}
}
}
System.out.println("Tests OK!");
} finally
{
test.afterClass();
}
}
}
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