/*
* 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.collections;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import java.util.Collection;
import java.util.Iterator;
import org.jmock.Expectations;
import org.jmock.auto.Mock;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.collections.javautilcollection.JavaCollectionFacet;
import org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2;
import org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2.Mode;
public class JavaCollectionFacetTest {
private JavaCollectionFacet facet;
@Rule
public JUnitRuleMockery2 context = JUnitRuleMockery2.createFor(Mode.INTERFACES_AND_CLASSES);
@Mock
private FacetHolder mockFacetHolder;
@Mock
private ObjectAdapter mockCollection;
@Mock
private Collection<ObjectAdapter> mockWrappedCollection;
@Mock
private Iterator<ObjectAdapter> mockIterator;
@Mock
private AdapterManager mockAdapterManager;
@Before
public void setUp() throws Exception {
mockAdapterManager = context.mock(AdapterManager.class);
facet = new JavaCollectionFacet(mockFacetHolder, mockAdapterManager);
}
@After
public void tearDown() throws Exception {
facet = null;
}
@Test
public void firstElementForEmptyCollectionIsNull() {
context.checking(new Expectations() {
{
one(mockCollection).getObject();
will(returnValue(mockWrappedCollection));
one(mockWrappedCollection).iterator();
will(returnValue(mockIterator));
one(mockIterator).hasNext();
will(returnValue(false));
}
});
assertThat(facet.firstElement(mockCollection), is(nullValue()));
}
}