/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.query.impl.predicates;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.impl.Indexes;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.lang.reflect.Method;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.mock;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class AbstractVisitorTest {
@Test
public void testAllVisitMethodReturnTheOriginalPredicate() throws Exception {
// Contract of AbstractVisitor mandates to return original predicate
// for all methods on Visitor interface.
// This test makes sure if a new method is added into Visitor interface
// then it's added to AbstractVisitor and honour its contract
AbstractVisitor visitor = new AbstractVisitor() {
};
Method[] methods = Visitor.class.getMethods();
for (Method method : methods) {
Class<?> predicateType = method.getParameterTypes()[0];
Predicate predicate = (Predicate) predicateType.newInstance();
Indexes indexes = mock(Indexes.class);
Object result = method.invoke(visitor, predicate, indexes);
assertSame("Method " + method + " does not return identity of the original predicate. " +
"See contract of " + AbstractVisitor.class.getSimpleName(), predicate, result);
}
}
}