/**
 * Logback: the generic, reliable, fast and flexible logging framework.
 * 
 * Copyright (C) 1999-2008, QOS.ch
 * 
 * This library is free software, you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation.
 */
package ch.qos.logback.core.joran;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.util.HashMap;
import java.util.List;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.junit.Test;

import ch.qos.logback.core.Context;
import ch.qos.logback.core.ContextBase;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.action.NOPAction;
import ch.qos.logback.core.joran.action.ext.BadBeginAction;
import ch.qos.logback.core.joran.action.ext.BadEndAction;
import ch.qos.logback.core.joran.action.ext.HelloAction;
import ch.qos.logback.core.joran.action.ext.TouchAction;
import ch.qos.logback.core.joran.spi.ActionException;
import ch.qos.logback.core.joran.spi.Pattern;
import ch.qos.logback.core.status.Status;
import ch.qos.logback.core.status.StatusManager;
import ch.qos.logback.core.util.CoreTestConstants;

/**
 * Test the way Interpreter skips child elements in case of exceptions thrown by
 * Actions. It also tests addition of status messages in case of exceptions.
 * 
 * @author Ceki Gulcu
 */
public class SkippingInInterpreterTest {

  HashMap<Pattern, Action> rulesMap = new HashMap<Pattern, Action>();
  Context context = new ContextBase();
  StatusManager sm = context.getStatusManager();

  SAXParser createParser() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    return spf.newSAXParser();
  }

  void doTest(String filename, Integer expectedInt, Class exceptionClass)
      throws Exception {

    rulesMap.put(new Pattern("test"), new NOPAction());
    rulesMap.put(new Pattern("test/badBegin"), new BadBeginAction());
    rulesMap.put(new Pattern("test/badBegin/touch"), new TouchAction());
    rulesMap.put(new Pattern("test/badEnd"), new BadEndAction());
    rulesMap.put(new Pattern("test/badEnd/touch"), new TouchAction());
    rulesMap.put(new Pattern("test/hello"), new HelloAction());

    rulesMap.put(new Pattern("test/isolate"), new NOPAction());
    rulesMap.put(new Pattern("test/isolate/badEnd"), new BadEndAction());
    rulesMap.put(new Pattern("test/isolate/badEnd/touch"), new TouchAction());
    rulesMap.put(new Pattern("test/isolate/touch"), new TouchAction());
    rulesMap.put(new Pattern("test/hello"), new HelloAction());

    TrivialConfigurator tc = new TrivialConfigurator(rulesMap);
    tc.setContext(context);
    tc.doConfigure(CoreTestConstants.TEST_DIR_PREFIX + "input/joran/skip/" + filename);

    String str = context.getProperty(HelloAction.PROPERTY_KEY);
    assertEquals("Hello John Doe.", str);

    Integer i = (Integer) context.getObject(TouchAction.KEY);
    if (expectedInt == null) {
      assertNull(i);
    } else {
      assertEquals(expectedInt, i);
    }

    // check the existence of an ERROR status
    List<Status> statusList = sm.getCopyOfStatusList();
    Status s0 = statusList.get(0);
    assertEquals(Status.ERROR, s0.getLevel());
    assertTrue(s0.getThrowable().getClass() == exceptionClass);
  }

  @Test
  public void testSkippingRuntimeExInBadBegin() throws Exception {
    doTest("badBegin1.xml", null, IllegalStateException.class);
  }

  @Test
  public void testSkippingActionExInBadBegin() throws Exception {
    doTest("badBegin2.xml", null, ActionException.class);
  }

  @Test
  public void testSkippingRuntimeExInBadEnd() throws Exception {
    doTest("badEnd1.xml", new Integer(2), IllegalStateException.class);
  }

  @Test
  public void testSkippingActionExInBadEnd() throws Exception {
    doTest("badEnd2.xml", new Integer(2), ActionException.class);
  }
}
