/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.core.joran.conditional;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Stack;
import ch.qos.logback.core.joran.action.PropertyAction;
import ch.qos.logback.core.joran.spi.ElementSelector;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.ContextBase;
import ch.qos.logback.core.joran.TrivialConfigurator;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.action.NOPAction;
import ch.qos.logback.core.joran.action.ext.StackAction;
import ch.qos.logback.core.joran.spi.JoranException;
import ch.qos.logback.core.status.StatusChecker;
import ch.qos.logback.core.testUtil.RandomUtil;
import ch.qos.logback.core.util.CoreTestConstants;
import ch.qos.logback.core.util.StatusPrinter;
import static org.junit.Assert.*;
public class IfThenElseTest {
Context context = new ContextBase();
StatusChecker checker = new StatusChecker(context);
TrivialConfigurator tc;
int diff = RandomUtil.getPositiveInt();
static final String CONDITIONAL_DIR_PREFIX = CoreTestConstants.JORAN_INPUT_PREFIX
+ "conditional/";
String ki1 = "ki1";
String val1 = "val1";
String sysKey = "sysKey";
String dynaKey = "dynaKey";
StackAction stackAction = new StackAction();
@Before
public void setUp() throws Exception {
HashMap<ElementSelector, Action> rulesMap = new HashMap<ElementSelector, Action>();
rulesMap.put(new ElementSelector("x"), new NOPAction());
rulesMap.put(new ElementSelector("x/stack"), stackAction);
rulesMap.put(new ElementSelector("x/property"), new PropertyAction());
rulesMap.put(new ElementSelector("*/if"), new IfAction());
rulesMap.put(new ElementSelector("*/if/then"), new ThenAction());
rulesMap.put(new ElementSelector("*/if/then/*"), new NOPAction());
rulesMap.put(new ElementSelector("*/if/else"), new ElseAction());
rulesMap.put(new ElementSelector("*/if/else/*"), new NOPAction());
tc = new TrivialConfigurator(rulesMap);
tc.setContext(context);
}
@After
public void tearDown() throws Exception {
StatusPrinter.printIfErrorsOccured(context);
System.clearProperty(sysKey);
}
@Test
public void whenContextPropertyIsSet_IfThenBranchIsEvaluated() throws JoranException {
context.putProperty(ki1, val1);
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"if0.xml");
verifyConfig(new String[] {"BEGIN", "a", "END"});
}
@Test
public void whenLocalPropertyIsSet_IfThenBranchIsEvaluated() throws JoranException {
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"if_localProperty.xml");
verifyConfig(new String[] {"BEGIN", "a", "END"});
}
@Test
public void whenNoPropertyIsDefined_ElseBranchIsEvaluated() throws JoranException {
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"if0.xml");
verifyConfig(new String[] {"BEGIN", "b", "END"});
}
@Test
public void whenContextPropertyIsSet_IfThenBranchIsEvaluated_NO_ELSE_DEFINED() throws JoranException {
context.putProperty(ki1, val1);
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"ifWithoutElse.xml");
verifyConfig(new String[] {"BEGIN", "a", "END"});
}
@Test
public void whenNoPropertyIsDefined_IfThenBranchIsNotEvaluated_NO_ELSE_DEFINED() throws JoranException {
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"ifWithoutElse.xml");
verifyConfig(new String[] {"BEGIN", "END"});
assertTrue(checker.isErrorFree(0));
}
@Test
public void nestedIf() throws JoranException {
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"nestedIf.xml");
verifyConfig(new String[] {"BEGIN", "a", "c", "END"});
assertTrue(checker.isErrorFree(0));
}
@Test
public void useNonExistenceOfSystemPropertyToDefineAContextProperty() throws JoranException {
assertNull(System.getProperty(sysKey));
assertNull(context.getProperty(dynaKey));
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"ifSystem.xml");
System.out.println(dynaKey+"="+context.getProperty(dynaKey));
assertNotNull(context.getProperty(dynaKey));
}
@Test
public void noContextPropertyShouldBeDefinedIfSystemPropertyExists() throws JoranException {
System.setProperty(sysKey, "a");
assertNull(context.getProperty(dynaKey));
System.out.println("before "+dynaKey+"="+context.getProperty(dynaKey));
tc.doConfigure(CONDITIONAL_DIR_PREFIX+"ifSystem.xml");
System.out.println(dynaKey+"="+context.getProperty(dynaKey));
assertNull(context.getProperty(dynaKey));
}
private void verifyConfig(String[] expected) {
Stack<String> witness = new Stack<String>();
witness.addAll(Arrays.asList(expected));
assertEquals(witness, stackAction.getStack());
}
}