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DRFATestCase.javaAPI DocApache log4j 1.2.1513380Sat Aug 25 00:09:34 BST 2007org.apache.log4j

DRFATestCase

public class DRFATestCase extends TestCase
Exhaustive test of the DailyRollingFileAppender compute algorithm.
author
Ceki Gülcü
author
Curt Arnold

Fields Summary
Constructors Summary
public DRFATestCase(String name)
Create new test.

param
name test name.

    super(name);
Methods Summary
public voidtearDown()
Reset configuration after every test.

      LogManager.resetConfiguration();
public voidtest3Param(java.lang.String datePattern, java.lang.String filename)
Common test code for 3 parameter constructor.

throws
IOException if IOException during test.

       Layout layout = new SimpleLayout();
       DailyRollingFileAppender appender =
               new DailyRollingFileAppender(layout, filename, datePattern);
       assertEquals(datePattern, appender.getDatePattern());
       Logger root = Logger.getRootLogger();
       root.addAppender(appender);
       root.info("Hello, World");
       assertTrue(new File(filename).exists());
public voidtestComputeCheckPeriod()
Test prediction of check period.

    DailyRollingFileAppender drfa = new DailyRollingFileAppender();
    drfa.setName("testComputeCheckPeriod");
    drfa.setDatePattern("yyyy-MM-dd.'log'");
    drfa.activateOptions();

    int x = drfa.computeCheckPeriod();
    int y = DailyRollingFileAppender.TOP_OF_DAY;
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.TOP_OF_DAY);

    drfa.setDatePattern("yyyy-MM-dd mm.'log'");
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.TOP_OF_MINUTE);

    drfa.setDatePattern("yyyy-MM-dd a.'log'");
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.HALF_DAY);

    drfa.setDatePattern("yyyy-MM-dd HH.'log'");
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.TOP_OF_HOUR);

    drfa.setDatePattern("yyyy-MM.'log'");
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.TOP_OF_MONTH);

    drfa.setDatePattern("'log'HH'log'");
    assertEquals(drfa.computeCheckPeriod(),
         DailyRollingFileAppender.TOP_OF_HOUR);
public voidtestHalfDay()
Creates an appender with a half day pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-MM-dd-a", "output/drfa_halfDay.log");
public voidtestMinuteRollover()
Tests rollOver with a minute periodicity.

throws
IOException
throws
InterruptedException

        Layout layout = new SimpleLayout();
        String filename = "output/drfa_minuteRollover.log";
        String pattern = "'.'yyyy-MM-dd-HH-mm";

        DailyRollingFileAppender appender =
                new DailyRollingFileAppender(layout,
                        filename,
                        pattern);
        Logger root = Logger.getRootLogger();
        root.addAppender(appender);
        File firstFile =
                new File(filename + new SimpleDateFormat(pattern).format(new Date()));
        root.info("Hello, World");
        //
        //   create a file by that name so it has to be deleted
        //       on rollover
        firstFile.createNewFile();
        assertTrue(firstFile.exists());
        assertEquals(0, firstFile.length());

        Calendar cal = Calendar.getInstance();
        long now = cal.getTime().getTime();
        cal.set(Calendar.SECOND, 3);
        cal.set(Calendar.MILLISECOND, 0);
        cal.add(Calendar.MINUTE, 1);
        long until = cal.getTime().getTime();
        Thread.sleep(until - now);
        root.info("Hello, World");
        assertTrue(firstFile.exists());
        assertTrue(firstFile.length() > 0);
public voidtestRC1()
Test of RollingCalendar.

    RollingCalendar rc = new RollingCalendar();
    rc.setType(DailyRollingFileAppender.TOP_OF_DAY);

    Calendar c = Calendar.getInstance();

    // jan, mar, may, july, aug, oct, dec have 31 days
    int [] M31 = {0,2,4,6,7,9,11};

    for(int i = 0; i < M31.length; i ++) {
      for(int d = 1; d <=31; d++) {
    for(int h = 0; h < 23; h++) {
      c.clear();
      c.set(Calendar.YEAR, 20);
      c.set(Calendar.MONTH, Calendar.JANUARY + M31[i]);
      c.set(Calendar.DAY_OF_MONTH, d);
      c.set(Calendar.HOUR_OF_DAY, h);
      c.set(Calendar.MINUTE, 10);
      c.set(Calendar.SECOND, 10);
      c.set(Calendar.MILLISECOND, 88);

      c.setTime(rc.getNextCheckDate(c.getTime()));
      if(d == 31) {
        assertEquals(c.get(Calendar.MONTH),(Calendar.JANUARY+M31[i]+1)%12);
        assertEquals(c.get(Calendar.DAY_OF_MONTH), 1);
      } else {
        assertEquals(c.get(Calendar.MONTH), Calendar.JANUARY+M31[i]);
        assertEquals(c.get(Calendar.DAY_OF_MONTH), d+1);
      }
      assertEquals(c.get(Calendar.HOUR_OF_DAY), 0);
      assertEquals(c.get(Calendar.MINUTE), 0);
      assertEquals(c.get(Calendar.SECOND), 0);
      assertEquals(c.get(Calendar.MILLISECOND), 0);
    }
      }
    }
public voidtestRC2()
RollingCalendar test.

    RollingCalendar rc = new RollingCalendar();

    rc.setType(DailyRollingFileAppender.TOP_OF_HOUR);

    Calendar c = Calendar.getInstance();
    TimeZone tz = c.getTimeZone();

    // jan, mar, may, july, aug, oct, dec have 31 days
    int [] M31 = {0,2,4,6,7,9,11};

    for(int i = 0; i < M31.length; i ++) {
      System.out.println("Month = "+(M31[i]+1));
      for(int d = 1; d <= 31; d++) {
    for(int h = 0; h < 23; h++) {
      for(int m = 0; m <= 59; m++) {
        c.clear();
        c.set(Calendar.YEAR, 20);
        c.set(Calendar.MONTH, Calendar.JANUARY + M31[i]);
        c.set(Calendar.DAY_OF_MONTH, d);
        c.set(Calendar.HOUR_OF_DAY, h);
        c.set(Calendar.MINUTE, m);
        c.set(Calendar.SECOND, 12);
        c.set(Calendar.MILLISECOND, 88);

        boolean dltState0 = c.getTimeZone().inDaylightTime(c.getTime());
        c.setTime(rc.getNextCheckDate(c.getTime()));
        boolean dltState1 = c.getTimeZone().inDaylightTime(c.getTime());

        assertEquals(c.get(Calendar.MILLISECOND), 0);
        assertEquals(c.get(Calendar.SECOND), 0);
        assertEquals(c.get(Calendar.MINUTE), 0);

        if(dltState0 == dltState1) {
          assertEquals(c.get(Calendar.HOUR_OF_DAY), (h+1)%24);
        } else {
          // returning to standard time
          if(dltState0) {
        assertEquals(c.get(Calendar.HOUR_OF_DAY), h);
          } else { // switching to day light saving time
        //System.err.println("m="+m+", h="+h+", d="+d+", i="+i);
        //if(h==2) {
        // System.err.println(c);
        //}
        //assertEquals(c.get(Calendar.HOUR_OF_DAY), (h+2)%24);
          }
        }

        if(h == 23) {
          assertEquals(c.get(Calendar.DAY_OF_MONTH), (d+1)%32);
          if(d == 31) {
        assertEquals(c.get(Calendar.MONTH),
                 (Calendar.JANUARY+M31[i]+1)%12);
          } else {
        assertEquals(c.get(Calendar.MONTH),
                 Calendar.JANUARY+M31[i]);
          }
        } else {
          assertEquals(c.get(Calendar.DAY_OF_MONTH), d);
          assertEquals(c.get(Calendar.MONTH), Calendar.JANUARY+M31[i]);
        }
      }
    }
      }
    }
public voidtestRC3()
RollingCalendar test.

    RollingCalendar rc = new RollingCalendar();

    rc.setType(DailyRollingFileAppender.TOP_OF_MINUTE);

    int[] S = {0, 1, 5, 10, 21, 30, 59};
    int[] M = {0, 1, 5, 10, 21, 30, 59};
    Calendar c = Calendar.getInstance();

    // jan, mar, may, july, aug, oct, dec have 31 days
    int [] M31 = {2,9,0,4,6,7,11};

    for(int i = 0; i < M31.length; i ++) {
      System.out.println("Month = "+(M31[i]+1));
      for(int d = 1; d <= 31; d++) {
    for(int h = 0; h < 23; h++) {
      for(int m = 0; m < M.length; m++) {
        for(int s = 0; s < S.length; s++) {
          c.clear();
          c.set(Calendar.YEAR, 20);
          c.set(Calendar.MONTH, Calendar.JANUARY + M31[i]);
          c.set(Calendar.DAY_OF_MONTH, d);
          c.set(Calendar.HOUR_OF_DAY, h);
          c.set(Calendar.MINUTE, M[m]);
          c.set(Calendar.SECOND, S[s]);
          c.set(Calendar.MILLISECOND, 88);
          c.add(Calendar.MILLISECOND, 1);

          boolean dltState0 = c.getTimeZone().inDaylightTime(c.getTime());

          c.setTime(rc.getNextCheckDate(c.getTime()));
          c.add(Calendar.MILLISECOND, 0);
          boolean dltState1 = c.getTimeZone().inDaylightTime(c.getTime());

          assertEquals(c.get(Calendar.MILLISECOND), 0);
          assertEquals(c.get(Calendar.SECOND), 0);
          assertEquals(c.get(Calendar.MINUTE), (M[m]+1)%60);

          if(M[m] == 59) {
        if(dltState0 == dltState1) {
          assertEquals(c.get(Calendar.HOUR_OF_DAY), (h+1)%24);
        }
        if(h == 23) {
          assertEquals(c.get(Calendar.DAY_OF_MONTH), (d+1)%32);
          if(d == 31) {
              assertEquals(c.get(Calendar.MONTH),
                 (Calendar.JANUARY+M31[i]+1)%12);
          } else {
            assertEquals(c.get(Calendar.MONTH),
                 Calendar.JANUARY+M31[i]);
          }
        } else {
          assertEquals(c.get(Calendar.DAY_OF_MONTH), d);
        }
          } else {
        // allow discrepancies only if we are switching from std to dls time
        if(c.get(Calendar.HOUR_OF_DAY) != h) {
          c.add(Calendar.HOUR_OF_DAY, +1);
          boolean dltState2 = c.getTimeZone().inDaylightTime(c.getTime());
          if(dltState1 == dltState2) {
            fail("No switch");
          }
        }
        assertEquals(c.get(Calendar.DAY_OF_MONTH), d);
        assertEquals(c.get(Calendar.MONTH), Calendar.JANUARY+M31[i]);
          }
        }
      }
    }
      }
    }
public voidtestRolloverNoPattern()
Attempts to rollOver with no date pattern set.

throws
IOException if IOException during test.

        Layout layout = new SimpleLayout();
        DailyRollingFileAppender appender =
                new DailyRollingFileAppender(layout, "output/drfa_nopattern.log", null);

        VectorErrorHandler errorHandler = new VectorErrorHandler();
        appender.setErrorHandler(errorHandler);
        appender.rollOver();
        assertEquals(1, errorHandler.size());
        assertEquals("Missing DatePattern option in rollOver().",
                errorHandler.getMessage(0));
public voidtestTopOfDay()
Creates an appender with a top-of-day pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-MM-dd", "output/drfa_topOfDay.log");
public voidtestTopOfHour()
Creates an appender with a top-of-hour pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-MM-dd-HH", "output/drfa_topOfHour.log");
public voidtestTopOfMinute()
Creates an appender with a top-of-day pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-MM-dd-HH-mm", "output/drfa_topOfMinute.log");
public voidtestTopOfMonth()
Creates an appender with a top-of-month pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-MM", "output/drfa_topOfMonth.log");
public voidtestTopOfWeek()
Creates an appender with a top-of-week pattern.

throws
IOException if IOException during test.

        test3Param("'.'yyyy-w", "output/drfa_topOfWeek.log");
public voidtestTopOfYear()
Creates an appender with an unrecognized top-of-year pattern.

throws
IOException if IOException during test.

        try {
            test3Param("'.'yyyy", "output/drfa_topOfYear.log");
            fail("Expected illegal state exception.");
        } catch(IllegalStateException ex) {
            assertNotNull(ex);
        }