/*
 * 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.brooklyn.core.entity.proxying;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;

import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.mgmt.EntityManager;
import org.apache.brooklyn.core.entity.factory.ApplicationBuilder;
import org.apache.brooklyn.core.objs.proxy.EntityProxy;
import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
import org.apache.brooklyn.core.test.entity.TestApplication;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.core.test.entity.TestEntityImpl;
import org.apache.brooklyn.test.Asserts;
import org.apache.brooklyn.util.collections.MutableMap;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;

public class EntityManagerTest extends BrooklynAppUnitTestSupport {

    private EntityManager entityManager;

    @BeforeMethod(alwaysRun=true)
    @Override
    public void setUp() throws Exception {
        super.setUp();
        entityManager = mgmt.getEntityManager();
    }
    
    @Test
    public void testCreateEntityUsingSpec() {
        TestEntity entity = app.createAndManageChild(EntitySpec.create(TestEntity.class));
        TestEntity child = entity.addChild(EntitySpec.create(TestEntity.class).displayName("mychildname"));
        assertTrue(child instanceof EntityProxy, "child="+child);
        assertFalse(child instanceof TestEntityImpl, "child="+child);
        assertTrue(entity.getChildren().contains(child), "child="+child+"; children="+entity.getChildren());
        assertEquals(child.getDisplayName(), "mychildname");
    }
    
    @Test
    public void testCreateEntityUsingMapAndType() {
        TestEntity entity = app.createAndManageChild(EntitySpec.create(TestEntity.class));
        TestEntity child = entity.addChild(EntitySpec.create(MutableMap.of("displayName", "mychildname"), TestEntity.class));
        assertTrue(child instanceof EntityProxy, "child="+child);
        assertFalse(child instanceof TestEntityImpl, "child="+child);
        assertTrue(entity.getChildren().contains(child), "child="+child+"; children="+entity.getChildren());
        assertEquals(child.getDisplayName(), "mychildname");
    }
    
    @Test
    public void testGetEntities() {
        TestApplication app2 = ApplicationBuilder.newManagedApp(TestApplication.class, mgmt);
        TestEntity entity = app.createAndManageChild(EntitySpec.create(TestEntity.class));
        TestEntity child = entity.createAndManageChild(EntitySpec.create(TestEntity.class));
        
        Asserts.assertEqualsIgnoringOrder(entityManager.getEntitiesInApplication(app), ImmutableList.of(app, entity, child));
        Asserts.assertEqualsIgnoringOrder(entityManager.getEntities(), ImmutableList.of(app, entity, child, app2));
        Asserts.assertEqualsIgnoringOrder(entityManager.findEntities(Predicates.instanceOf(TestApplication.class)), ImmutableList.of(app, app2));
        Asserts.assertEqualsIgnoringOrder(entityManager.findEntitiesInApplication(app, Predicates.instanceOf(TestApplication.class)), ImmutableList.of(app));
    }
}