/*
 * 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.sling.models.impl;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;

import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.models.impl.injectors.SelfInjector;
import org.apache.sling.models.testmodels.classes.DirectCyclicSelfDependencyModel;
import org.apache.sling.models.testmodels.classes.IndirectCyclicSelfDependencyModelA;
import org.apache.sling.models.testmodels.classes.IndirectCyclicSelfDependencyModelB;
import org.apache.sling.models.testmodels.classes.SelfDependencyModelA;
import org.apache.sling.models.testmodels.classes.SelfDependencyModelB;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.runners.MockitoJUnitRunner;
import org.mockito.stubbing.Answer;

@RunWith(MockitoJUnitRunner.class)
public class SelfDependencyTest {

    private ModelAdapterFactory factory;

    @Mock
    private SlingHttpServletRequest request;

    @SuppressWarnings("unchecked")
    @Before
    public void setup() {
        when(request.adaptTo(any(Class.class))).then(new Answer<Object>() {
            @Override
            public Object answer(InvocationOnMock invocation) throws Throwable {
                Class<?> clazz = (Class<?>) invocation.getArguments()[0];
                return factory.getAdapter(request, clazz);
            }
        });

        factory = AdapterFactoryTest.createModelAdapterFactory();
        factory.bindInjector(new SelfInjector(), new ServicePropertiesMap(1, 1));
        factory.adapterImplementations.addClassesAsAdapterAndImplementation(SelfDependencyModelA.class, SelfDependencyModelB.class, DirectCyclicSelfDependencyModel.class, IndirectCyclicSelfDependencyModelA.class, IndirectCyclicSelfDependencyModelB.class);
    }

    @Test
    public void testChainedSelfDependency() {
        SelfDependencyModelA objectA = factory.getAdapter(request, SelfDependencyModelA.class);
        assertNotNull(objectA);
        SelfDependencyModelB objectB = objectA.getDependencyB();
        assertNotNull(objectB);
        assertSame(request, objectB.getRequest());
    }

    @Test
    public void testDirectCyclicSelfDependency() {
        DirectCyclicSelfDependencyModel object = factory.getAdapter(request, DirectCyclicSelfDependencyModel.class);
        assertNull(object);
    }

    @Test
    public void testInddirectCyclicSelfDependency() {
        IndirectCyclicSelfDependencyModelA object = factory.getAdapter(request,
                IndirectCyclicSelfDependencyModelA.class);
        assertNull(object);
    }

}