/**
* 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.isis.core.metamodel.facets;
import java.lang.reflect.Method;
import java.util.Map;
import javax.annotation.PostConstruct;
import com.google.common.collect.Maps;
import org.junit.Test;
import org.apache.isis.core.commons.lang.Nullable;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
public class MethodFinderUtilsTest {
public static class NoPostConstruct {
public void thisDoesNotHaveAnyAnnotation(){}
}
public static class WithPostConstruct {
@PostConstruct
public void thisDoesHaveAnnotation(){}
}
@Test
public void whenExists() throws Exception {
final Map<Class, Nullable<Method>> cache = Maps.newHashMap();
final Method method = MethodFinderUtils.findAnnotatedMethod(new WithPostConstruct(), PostConstruct.class, cache);
assertThat(method, is(not(nullValue())));
final Nullable<Method> actual = cache.get(WithPostConstruct.class);
assertThat(actual, is(not(nullValue())));
assertThat(actual.isPresent(), is(true));
assertThat(actual.value(), is(method));
}
@Test
public void whenDoesNotExist() throws Exception {
final Map<Class, Nullable<Method>> cache = Maps.newHashMap();
final Method method = MethodFinderUtils.findAnnotatedMethod(new NoPostConstruct(), PostConstruct.class, cache);
assertThat(method, is(nullValue()));
final Nullable<Method> actual = cache.get(NoPostConstruct.class);
assertThat(actual, is(not(nullValue())));
assertThat(actual.isPresent(), is(false));
assertThat(actual.value(), is(nullValue()));
}
}