log4j-core/src/test/java/org/apache/logging/log4j/core/appender/AsyncAppenderNoLocationTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache license, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the license for the specific language governing permissions and
 * limitations under the license.
 */
package org.apache.logging.log4j.core.appender;

import java.util.List;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.apache.logging.log4j.test.appender.ListAppender;
import org.junit.After;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 *
 */
public class AsyncAppenderNoLocationTest {
    private ListAppender app;

    @ClassRule
    public static LoggerContextRule init = null;

            static {
                try {
                    init = new LoggerContextRule("log4j-asynch-no-location.xml");
                } catch (final Exception ex) {
                    ex.printStackTrace();
                }
            }

    @Before
    public void setUp() throws Exception {
                try {
                    this.app = (ListAppender) init.getAppender("List");
                    assertNotNull("No List appender found", app);
                } catch (final Exception ex) {
                    System.out.println("init = " + init == null ? "null" : init);

                }

    }

    @After
    public void after() {
        if (app != null) {
            app.clear();
        }
    }

    @Test
    public void testNoLocation() throws Exception {
        final Logger logger = LogManager.getLogger(AsyncAppender.class);
        logger.error("This is a test");
        logger.warn("Hello world!");
        Thread.sleep(100);
        System.out.println("app = " + app == null ? "null" : app);
        final List<String> list = app.getMessages();
        assertNotNull("No events generated", list);
        assertEquals("Incorrect number of events. Expected 2, got " + list.size(), list.size(), 2);
        String msg = list.get(0);
        String expected = "?  This is a test";
        assertEquals("Expected " + expected + ", Actual " + msg, expected, msg);
        msg = list.get(1);
        expected = "?  Hello world!";
        assertEquals("Expected " + expected + ", Actual " + msg, expected, msg);
    }
}