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package net.sourceforge.cruisecontrol;

import java.io.File;
import java.io.Serializable;

import junit.framework.TestCase;
import net.sourceforge.cruisecontrol.testutil.TestUtil.FilesToDelete;
import net.sourceforge.cruisecontrol.util.IO;

/**
 * @author <a href="mailto:hak@2mba.dk">Hack Kampbjorn</a>
 */
public class LogFileTest extends TestCase {
    private final FilesToDelete filesToDelete = new FilesToDelete();
    private File logDir;
    private File log1;
    private File log2;
    private File log3;

    public void setUp() {
        logDir = new File("testresults/");
        if (!logDir.exists()) {
            assertTrue("Failed to create test result dir", logDir.mkdir());
        }
        log1 = new File(logDir, "log20040903010203.xml");
        log2 = new File(logDir, "log20040905010203Lsuccessful-build-file.1.xml");
        log3 = new File(logDir, "log20051021103500.xml.gz");
        
        filesToDelete.add(log1);
        filesToDelete.add(log2);
        filesToDelete.add(log3);
        filesToDelete.add(logDir);        
    }

    public void tearDown() {
        filesToDelete.delete();

        log1 = null;
        log2 = null;
        log3 = null;
        logDir = null;
    }

    public void testGetLatestLog() throws Exception {
        IO.write(log1, "");
        IO.write(log2, "");
        IO.write(log3, "");

        File result = LogFile.getLatestLogFile(logDir).getFile();
        assertEquals(log3.getName(), result.getName());
    }

    public void testIsCompressed() throws Exception {
        IO.write(log1, "");
        IO.write(log2, "");
        IO.write(log3, "");

        assertFalse(new LogFile(log1).isCompressed());
        assertFalse(new LogFile(log2).isCompressed());
        assertTrue(new LogFile(log3).isCompressed());
    }

    public void testGetLatestSuccessfulLog() throws Exception {
        IO.write(log1, "");
        IO.write(log2, "");
        IO.write(log3, "");

        File result = LogFile.getLatestSuccessfulLogFile(logDir).getFile();
        assertEquals(log2, result);
    }

    public void testSerializable() throws Exception {
        IO.write(log1, "");

        assertTrue("LogFile class must be serializable for Metrics Tab (charting) to work",
                Serializable.class.isAssignableFrom(LogFile.class));
    }
}