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/*-
* ============LICENSE_START=======================================================
* policy-utils
* ================================================================================
* Copyright (C) 2017-2018, 2020 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2024 Nordix Foundation.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.utils;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import org.junit.jupiter.api.Test;
class ReflectionUtilTest {
public class ParentClass {
}
class ChildClass extends ParentClass{
}
@Test
void testReflection() {
try {
Class<?> class1 = Class.forName("org.onap.policy.drools.utils.ReflectionUtil");
ClassLoader classLoader = class1.getClassLoader();
Class<?> class2 = ReflectionUtil.fetchClass(classLoader, "org.onap.policy.drools.utils.ReflectionUtil");
assertTrue(ReflectionUtil.isClass(classLoader, "org.onap.policy.drools.utils.ReflectionUtil"));
assertEquals(class1, class2);
assertTrue(ReflectionUtil.isSubclass(ParentClass.class, ChildClass.class));
assertFalse(ReflectionUtil.isSubclass(ChildClass.class, ParentClass.class));
} catch (ClassNotFoundException e) {
fail();
}
}
@Test
void testException1() {
assertThrows(IllegalArgumentException.class, () ->
ReflectionUtil.fetchClass(null, "org.onap.policy.drools.utils.ReflectionUtil"));
}
@Test
void testException2() {
Class<?> class1;
try {
class1 = Class.forName("org.onap.policy.drools.utils.ReflectionUtil");
ClassLoader classLoader = class1.getClassLoader();
assertThrows(IllegalArgumentException.class, () ->
ReflectionUtil.fetchClass(classLoader, null));
} catch (ClassNotFoundException e) {
fail();
}
}
@Test
void testException3() {
assertNull(ReflectionUtil.fetchClass(ClassLoader.getSystemClassLoader(), "foo.bar"));
}
}
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