/*
 * 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.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.when;

import java.util.Collections;

import org.apache.commons.lang3.RandomStringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.api.wrappers.ValueMapDecorator;
import org.apache.sling.models.impl.injectors.ValueMapInjector;
import org.apache.sling.models.impl.via.BeanPropertyViaProvider;
import org.apache.sling.models.impl.via.ChildResourceViaProvider;
import org.apache.sling.models.testmodels.classes.ChildResourceViaModel;
import org.apache.sling.models.testmodels.classes.ViaModel;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;

@RunWith(MockitoJUnitRunner.class)
public class ViaTest {

    @Mock
    private Resource resource;

    @Mock
    private Resource childResource;

    @Mock
    private SlingHttpServletRequest request;

    private ModelAdapterFactory factory;

    @Before
    public void setup() {
        when(request.getResource()).thenReturn(resource);
        when(resource.getChild("jcr:content")).thenReturn(childResource);
        factory = AdapterFactoryTest.createModelAdapterFactory();
        factory.bindInjector(new ValueMapInjector(), new ServicePropertiesMap(1, 1));
        factory.bindViaProvider(new BeanPropertyViaProvider(), null);
        factory.bindViaProvider(new ChildResourceViaProvider(), null);
        factory.adapterImplementations.addClassesAsAdapterAndImplementation(ViaModel.class);
        factory.adapterImplementations.addClassesAsAdapterAndImplementation(ChildResourceViaModel.class);
    }

    @Test
    public void testProjectionToResource() {
        String value = RandomStringUtils.randomAlphanumeric(10);
        ValueMap map = new ValueMapDecorator(Collections.<String, Object> singletonMap("firstProperty", value));
        when(resource.adaptTo(ValueMap.class)).thenReturn(map);

        ViaModel model = factory.getAdapter(request, ViaModel.class);
        assertNotNull(model);
        assertEquals(value, model.getFirstProperty());
    }

    @Test
    public void testProjectionToChildResource() {
        String value = RandomStringUtils.randomAlphanumeric(10);
        ValueMap map = new ValueMapDecorator(Collections.<String, Object> singletonMap("firstProperty", value));
        when(childResource.adaptTo(ValueMap.class)).thenReturn(map);
        ChildResourceViaModel model = factory.getAdapter(resource, ChildResourceViaModel.class);
        assertNotNull(model);
        assertEquals(value, model.getFirstProperty());
    }

}