src/java/org/apache/log4j/test/UnitTestDRFA.java

/*
 * Copyright (C) The Apache Software Foundation. All rights reserved.
 *
 * This software is published under the terms of the Apache Software
 * License version 1.1, a copy of which has been included with this
 * distribution in the LICENSE.APL file.  */



package org.apache.log4j;

import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.framework.TestFailure;
import junit.framework.Test;


public class UnitTestDRFA extends TestCase {

  public UnitTestDRFA(String name) {
    super(name);
  }

  public
  void testComputeCheckPeriod() {
    DailyRollingFileAppender drfa = new DailyRollingFileAppender();
    drfa.setName("testComputeCheckPeriod");
    drfa.setDatePattern("yyyy-MM-dd.'log'");
    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
  void testRC1() {  
    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
  void testRC2() {  
    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
  void testRC3() {  
    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 
  static
  Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(new UnitTestDRFA("testComputeCheckPeriod"));
    suite.addTest(new UnitTestDRFA("testRC1"));
    //suite.addTest(new UnitTestDRFA("testRC2"));
    suite.addTest(new UnitTestDRFA("testRC3"));
    return suite;
  }
  
}