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InstantiationTest.java
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InstantiationTest.java
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/*
* Copyright (C) 2017 Alex Stockinger
*
* 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 fi.testee.junit5;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import javax.ejb.EJB;
import javax.inject.Inject;
import java.util.function.Supplier;
import static org.junit.jupiter.api.Assertions.assertSame;
@ExtendWith(TestEEfi.class)
public class InstantiationTest {
@EJB
private SessionBean ejbViaEjb;
@Inject
private SessionBean ejbViaInject;
@Inject
private ManagedBean cdiViaInject;
@Test
public void ejb_via_ejb() {
assertIsSingleton(() -> ejbViaEjb);
}
@Test
public void ejb_via_inject() {
assertIsSingleton(() -> ejbViaInject);
}
@Test
public void cdi_via_inject() {
assertIsSingleton(() -> cdiViaInject);
}
private void assertIsSingleton(final Supplier<BaseClass> baseClass) {
final BaseClass instance = baseClass.get().getThis();
assertSame(instance, baseClass.get().getThis());
}
public static class BaseClass {
public BaseClass getThis() {
return this;
}
}
@javax.ejb.Singleton
public static class SessionBean extends BaseClass {
}
@javax.inject.Singleton
public static class ManagedBean extends BaseClass {
}
}