/**
* 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.appender;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.ConsoleAppender;
import ch.qos.logback.core.CoreConstants;
import ch.qos.logback.core.encoder.DummyEncoder;
import ch.qos.logback.core.encoder.EchoEncoder;
import ch.qos.logback.core.encoder.NopEncoder;
import ch.qos.logback.core.layout.DummyLayout;
import ch.qos.logback.core.status.Status;
import ch.qos.logback.core.status.StatusChecker;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
/**
* Redirecting System.out is quite messy. Disable this test in Maven bu not in Package.class
*/
public class ConsoleAppenderTest extends AbstractAppenderTest<Object> {
XTeeOutputStream tee;
PrintStream original;
@Before
public void setUp() {
original = System.out;
// tee will output bytes on System out but it will also
// collect them so that the output can be compared against
// some expected output data
// tee = new TeeOutputStream(original);
// keep the console quiet
tee = new XTeeOutputStream(null);
// redirect System.out to tee
System.setOut(new PrintStream(tee));
}
@After
public void tearDown() {
System.setOut(original);
}
@Override
public Appender<Object> getAppender() {
return new ConsoleAppender<Object>();
}
protected Appender<Object> getConfiguredAppender() {
ConsoleAppender<Object> ca = new ConsoleAppender<Object>();
ca.setEncoder(new NopEncoder<Object>());
ca.start();
return ca;
}
@org.junit.Test
public void testBasic() {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
ca.setEncoder(new DummyEncoder<Object>());
ca.start();
ca.doAppend(new Object());
assertEquals(DummyLayout.DUMMY, tee.toString());
}
@org.junit.Test
public void testOpen() {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
DummyEncoder<Object> dummyEncoder = new DummyEncoder<Object>();
dummyEncoder.setFileHeader("open");
ca.setEncoder(dummyEncoder);
ca.start();
ca.doAppend(new Object());
ca.stop();
assertEquals("open" + CoreConstants.LINE_SEPARATOR + DummyLayout.DUMMY, tee
.toString());
}
@Test
public void testClose() {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
DummyEncoder<Object> dummyEncoder = new DummyEncoder<Object>();
dummyEncoder.setFileFooter("CLOSED");
ca.setEncoder(dummyEncoder);
ca.start();
ca.doAppend(new Object());
ca.stop();
// ConsoleAppender must keep the underlying stream open.
// The console is not ours to close.
assertFalse(tee.isClosed());
assertEquals(DummyLayout.DUMMY + "CLOSED", tee.toString());
}
// See http://jira.qos.ch/browse/LBCORE-143
@Test
public void changeInConsole() {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
EchoEncoder<Object> encoder = new EchoEncoder<Object>();
ca.setEncoder(encoder);
ca.start();
ca.doAppend("a");
assertEquals("a" + CoreConstants.LINE_SEPARATOR, tee.toString());
XTeeOutputStream newTee = new XTeeOutputStream(null);
System.setOut(new PrintStream(newTee));
ca.doAppend("b");
assertEquals("b" + CoreConstants.LINE_SEPARATOR, newTee.toString());
}
@Test
public void testUTF16BE() throws UnsupportedEncodingException {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
DummyEncoder<Object> dummyEncoder = new DummyEncoder<Object>();
String encodingName = "UTF-16BE";
dummyEncoder.setEncodingName(encodingName);
ca.setEncoder(dummyEncoder);
ca.start();
ca.doAppend(new Object());
assertEquals(DummyLayout.DUMMY, new String(tee.toByteArray(), encodingName));
}
@Test
public void wrongTarget() {
ConsoleAppender<Object> ca = (ConsoleAppender<Object>) getAppender();
EchoEncoder<Object> encoder = new EchoEncoder<Object>();
encoder.setContext(context);
ca.setContext(context);
ca.setTarget("foo");
ca.setEncoder(encoder);
ca.start();
ca.doAppend("a");
StatusChecker checker = new StatusChecker(context);
//21:28:01,246 + WARN in ch.qos.logback.core.ConsoleAppender[null] - [foo] should be one of [SystemOut, SystemErr]
//21:28:01,246 |-WARN in ch.qos.logback.core.ConsoleAppender[null] - Using previously set target, System.out by default.
// StatusPrinter.print(context);
checker.assertContainsMatch(Status.WARN, "\\[foo\\] should be one of \\[SystemOut, SystemErr\\]");
}
}