DummyAppenderTest.java

/*
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v2.0 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 java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.junit.jupiter.api.Test;

import ch.qos.logback.core.Appender;
import ch.qos.logback.core.testUtil.DummyEncoder;
import ch.qos.logback.core.encoder.Encoder;
import ch.qos.logback.core.layout.DummyLayout;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class DummyAppenderTest extends AbstractAppenderTest<Object> {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DummyWriterAppender<Object> da = new DummyWriterAppender<Object>(baos);

    protected Appender<Object> getAppender() {
        return da;
    }

    protected Appender<Object> getConfiguredAppender() {
        da.setEncoder(new DummyEncoder<Object>());
        da.start();
        return da;
    }

    @Test
    public void testBasic() throws IOException {
        Encoder<Object> encoder = new DummyEncoder<Object>();
        da.setEncoder(encoder);
        da.start();
        da.doAppend(new Object());
        assertEquals(DummyLayout.DUMMY, baos.toString());
    }

}