mirror of https://github.com/apache/cloudstack.git
105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package com.cloud.utils.log;
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import junit.framework.TestCase;
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import org.apache.log4j.*;
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import com.cloud.utils.component.ComponentContext;
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import com.cloud.utils.db.DB;
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import com.cloud.utils.exception.CloudRuntimeException;
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import org.apache.log4j.spi.RootLogger;
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import org.apache.log4j.spi.ThrowableRenderer;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import java.io.CharArrayWriter;
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import java.io.Writer;
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration(locations="classpath:/testContext.xml")
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public class CglibThrowableRendererTest extends TestCase {
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static Logger another = Logger.getLogger("TEST");
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private final static Logger s_logger = Logger.getLogger(CglibThrowableRendererTest.class);
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public static class TestClass {
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public TestClass() {
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}
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@DB
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public void exception1() {
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throw new IllegalArgumentException("What a bad exception");
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}
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public void exception2() {
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try {
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exception1();
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} catch (Exception e) {
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throw new CloudRuntimeException("exception2", e);
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}
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}
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@DB
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public void exception() {
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try {
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exception2();
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} catch (Exception e) {
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throw new CloudRuntimeException("exception", e);
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}
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}
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}
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private Logger getAlternateLogger(Writer writer, ThrowableRenderer renderer) {
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Hierarchy hierarchy = new Hierarchy(new RootLogger(Level.INFO));
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if (renderer != null) {
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hierarchy.setThrowableRenderer(renderer);
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}
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Logger alternateRoot = hierarchy.getRootLogger();
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alternateRoot.addAppender(new WriterAppender(new SimpleLayout(), writer));
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return alternateRoot;
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}
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@Test
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public void testException() {
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Writer w = new CharArrayWriter();
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Logger alt = getAlternateLogger(w, null);
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TestClass test = new TestClass();
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try {
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test.exception();
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} catch (Exception e) {
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alt.warn("exception caught", e);
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}
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// first check that we actually have some call traces containing "<generated>"
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// assertTrue(w.toString().contains("<generated>"));
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w = new CharArrayWriter();
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alt = getAlternateLogger(w, new CglibThrowableRenderer());
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try {
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test.exception();
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} catch (Exception e) {
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alt.warn("exception caught", e);
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}
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// then we check that CglibThrowableRenderer indeed remove those occurrences
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assertFalse(w.toString().contains("<generated>"));
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}
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}
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