001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.monitoring.aop;
018    
019    import org.apache.commons.monitoring.Role;
020    import org.apache.commons.monitoring.counters.Counter;
021    import org.apache.commons.monitoring.repositories.Repository;
022    import org.junit.Test;
023    
024    import java.util.concurrent.TimeUnit;
025    
026    import static org.junit.Assert.assertEquals;
027    import static org.junit.Assert.assertNotNull;
028    import static org.junit.Assert.fail;
029    
030    public class MonitoringProxyFactoryTest {
031        @Test
032        public void test() {
033            final Foo foo = MonitoringProxyFactory.monitor(Foo.class, new FooImpl());
034            foo.haveARest(2000);
035    
036            final Counter perf = Repository.INSTANCE.getCounter(new Counter.Key(Role.PERFORMANCES, FooImpl.class.getName() + ".haveARest"));
037            assertNotNull(perf);
038            assertEquals(2000, TimeUnit.NANOSECONDS.toMillis((int) perf.getMax()), 200);
039    
040            try {
041                foo.throwSthg();
042            } catch (final Exception e) {
043                // normal
044            }
045    
046            Counter failures = null;
047            for (final Counter c : Repository.INSTANCE) {
048                if (c.getKey().getName().contains("UnsupportedOperationException")) {
049                    if (failures != null) {
050                        fail();
051                    }
052                    failures = c;
053                }
054            }
055    
056            assertNotNull(failures);
057            assertEquals(1, failures.getHits());
058        }
059    
060        public static interface Foo {
061            void haveARest(long ms);
062            void throwSthg();
063        }
064    
065        public static class FooImpl implements Foo {
066            @Override
067            public void haveARest(long ms) {
068                try {
069                    Thread.sleep(ms);
070                } catch (final InterruptedException e) {
071                    // no-ôp
072                }
073            }
074    
075            public void throwSthg() {
076                throw new UnsupportedOperationException();
077            }
078        }
079    }