/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed 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.springframework.boot.logging.log4j2;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.config.DefaultConfiguration;
import org.apache.logging.log4j.core.impl.Log4jLogEvent;
import org.apache.logging.log4j.core.pattern.ThrowablePatternConverter;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link WhitespaceThrowablePatternConverter}.
*
* @author Vladimir Tsanev
*/
public class WhitespaceThrowablePatternConverterTests {
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
private final ThrowablePatternConverter converter = WhitespaceThrowablePatternConverter
.newInstance(new DefaultConfiguration(), new String[] {});
@Test
public void noStackTrace() throws Exception {
LogEvent event = Log4jLogEvent.newBuilder().build();
StringBuilder builder = new StringBuilder();
this.converter.format(event, builder);
assertThat(builder.toString()).isEqualTo("");
}
@Test
public void withStackTrace() throws Exception {
LogEvent event = Log4jLogEvent.newBuilder().setThrown(new Exception()).build();
StringBuilder builder = new StringBuilder();
this.converter.format(event, builder);
assertThat(builder.toString()).startsWith(LINE_SEPARATOR)
.endsWith(LINE_SEPARATOR);
}
}