/**
* 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.classic.pattern;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.LoggingEvent;
import ch.qos.logback.classic.util.TeztHelper;
import static ch.qos.logback.classic.util.TeztHelper.addSuppressed;
import static org.junit.Assert.*;
import static org.junit.Assume.assumeTrue;
public class ThrowableProxyConverterTest {
LoggerContext lc = new LoggerContext();
ThrowableProxyConverter tpc = new ThrowableProxyConverter();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
@Before
public void setUp() throws Exception {
tpc.setContext(lc);
tpc.start();
}
@After
public void tearDown() throws Exception {
}
private ILoggingEvent createLoggingEvent(Throwable t) {
return new LoggingEvent(this.getClass().getName(), lc
.getLogger(Logger.ROOT_LOGGER_NAME), Level.DEBUG, "test message", t,
null);
}
@Test
public void suppressed() throws InvocationTargetException, IllegalAccessException
{
assumeTrue(TeztHelper.suppressedSupported()); // only execute on Java 7, would work anyway but doesn't make sense.
Exception ex = null;
try {
someMethod();
} catch (Exception e) {
Exception fooException = new Exception("Foo");
Exception barException = new Exception("Bar");
addSuppressed(e, fooException);
addSuppressed(e, barException);
ex = e;
}
verify(ex);
}
@Test
public void suppressedWithCause() throws InvocationTargetException, IllegalAccessException
{
assumeTrue(TeztHelper.suppressedSupported()); // only execute on Java 7, would work anyway but doesn't make sense.
Exception ex = null;
try {
someMethod();
} catch (Exception e) {
ex=new Exception("Wrapper", e);
Exception fooException = new Exception("Foo");
Exception barException = new Exception("Bar");
addSuppressed(ex, fooException);
addSuppressed(e, barException);
}
verify(ex);
}
@Test
public void suppressedWithSuppressed() throws Exception
{
assumeTrue(TeztHelper.suppressedSupported()); // only execute on Java 7, would work anyway but doesn't make sense.
Exception ex = null;
try {
someMethod();
} catch (Exception e) {
ex=new Exception("Wrapper", e);
Exception fooException = new Exception("Foo");
Exception barException = new Exception("Bar");
addSuppressed(barException, fooException);
addSuppressed(e, barException);
}
verify(ex);
}
@Test
public void smoke() {
Exception t = new Exception("smoke");
verify(t);
}
@Test
public void nested() {
Throwable t = TeztHelper.makeNestedException(1);
verify(t);
}
@Test
public void withArgumentOfOne() throws Exception {
final Throwable t = TeztHelper.makeNestedException(0);
t.printStackTrace(pw);
final ILoggingEvent le = createLoggingEvent(t);
final List<String> optionList = Arrays.asList("1");
tpc.setOptionList(optionList);
tpc.start();
final String result = tpc.convert(le);
final BufferedReader reader = new BufferedReader(new StringReader(result));
assertTrue(reader.readLine().contains(t.getMessage()));
assertNotNull(reader.readLine());
assertNull("Unexpected line in stack trace", reader.readLine());
}
@Test
public void withShortArgument() throws Exception {
final Throwable t = TeztHelper.makeNestedException(0);
t.printStackTrace(pw);
final ILoggingEvent le = createLoggingEvent(t);
final List<String> options = Arrays.asList("short");
tpc.setOptionList(options);
tpc.start();
final String result = tpc.convert(le);
final BufferedReader reader = new BufferedReader(new StringReader(result));
assertTrue(reader.readLine().contains(t.getMessage()));
assertNotNull(reader.readLine());
assertNull("Unexpected line in stack trace", reader.readLine());
}
void someMethod() throws Exception {
throw new Exception("someMethod");
}
void verify(Throwable t) {
t.printStackTrace(pw);
ILoggingEvent le = createLoggingEvent(t);
String result = tpc.convert(le);
System.out.println(result);
result = result.replace("common frames omitted", "more");
assertEquals(sw.toString(), result);
}
}