/*
* 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.applib.spec;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import org.junit.Test;
import org.apache.isis.applib.spec.AbstractSpecification.Nullability;
import org.apache.isis.applib.spec.AbstractSpecification.TypeChecking;
public class AbstractSpecificationTest {
private static class SomeDomainObject {
}
private static class SomeOtherDomainObject {
}
private AbstractSpecification<SomeDomainObject> specAbstractSomeDomainObject;
@Test
public void shouldSatisfyByDefaultForNull() {
specAbstractSomeDomainObject = new AbstractSpecification<SomeDomainObject>() {
@Override
public String satisfiesSafely(final SomeDomainObject obj) {
return null;
}
};
assertThat(specAbstractSomeDomainObject.satisfies(null), is(nullValue()));
}
@Test
public void shouldNotSatisfyForNullIfConfiguredAsSuch() {
specAbstractSomeDomainObject = new AbstractSpecification<SomeDomainObject>(Nullability.ENSURE_NOT_NULL, TypeChecking.IGNORE_INCORRECT_TYPE) {
@Override
public String satisfiesSafely(final SomeDomainObject obj) {
return null;
}
};
assertThat(specAbstractSomeDomainObject.satisfies(null), is(not(nullValue())));
}
@Test
public void shouldSatisfyByDefaultForIncorrectType() {
specAbstractSomeDomainObject = new AbstractSpecification<SomeDomainObject>() {
@Override
public String satisfiesSafely(final SomeDomainObject obj) {
return null;
}
};
assertThat(specAbstractSomeDomainObject.satisfies(new SomeOtherDomainObject()), is(nullValue()));
}
@Test
public void shouldNotSatisfyForIncorrectTypeIfConfiguredAsSuch() {
specAbstractSomeDomainObject = new AbstractSpecification<SomeDomainObject>(Nullability.IGNORE_IF_NULL, TypeChecking.ENSURE_CORRECT_TYPE) {
@Override
public String satisfiesSafely(final SomeDomainObject obj) {
return null;
}
};
assertThat(specAbstractSomeDomainObject.satisfies(new SomeOtherDomainObject()), is(not(nullValue())));
}
@Test
public void shouldSatisfyForNonNullCorrectTypeIfConfiguredAsSuch() {
specAbstractSomeDomainObject = new AbstractSpecification<SomeDomainObject>(Nullability.ENSURE_NOT_NULL, TypeChecking.ENSURE_CORRECT_TYPE) {
@Override
public String satisfiesSafely(final SomeDomainObject obj) {
return null;
}
};
assertThat(specAbstractSomeDomainObject.satisfies(new SomeDomainObject()), is(nullValue()));
}
}