| /* |
| * 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 brooklyn.entity.basic; |
| |
| import static org.testng.Assert.assertNotNull; |
| import static org.testng.Assert.assertTrue; |
| |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| import brooklyn.entity.proxying.EntitySpec; |
| import brooklyn.event.AttributeSensor; |
| import brooklyn.event.basic.Sensors; |
| import brooklyn.location.LocationSpec; |
| import brooklyn.location.basic.SimulatedLocation; |
| import brooklyn.management.ManagementContext; |
| import brooklyn.test.Asserts; |
| import brooklyn.test.EntityTestUtils; |
| import brooklyn.test.entity.LocalManagementContextForTests; |
| import brooklyn.test.entity.TestApplication; |
| import brooklyn.util.collections.MutableMap; |
| |
| import com.google.common.base.Predicates; |
| import com.google.common.base.Supplier; |
| import com.google.common.collect.ImmutableList; |
| |
| public class DataEntityTest { |
| |
| private ManagementContext managementContext; |
| private SimulatedLocation loc; |
| private TestApplication app; |
| private DataEntity entity; |
| private AttributeSensor<String> stringSensor = Sensors.newStringSensor("string", "String sensor"); |
| private AttributeSensor<Long> longSensor = Sensors.newLongSensor("long", "Long sensor"); |
| private AtomicReference<String> reference = new AtomicReference<String>(); |
| private Supplier<Long> currentTimeMillis = new Supplier<Long>() { |
| @Override |
| public Long get() { |
| return System.currentTimeMillis(); |
| } |
| }; |
| |
| @BeforeMethod(alwaysRun=true) |
| public void setUp() throws Exception { |
| managementContext = new LocalManagementContextForTests(); |
| loc = managementContext.getLocationManager().createLocation(LocationSpec.create(SimulatedLocation.class)); |
| app = ApplicationBuilder.newManagedApp(TestApplication.class, managementContext); |
| } |
| |
| @AfterMethod(alwaysRun=true) |
| public void tearDown() throws Exception { |
| if (managementContext != null) Entities.destroyAllCatching(managementContext); |
| } |
| |
| @Test |
| public void testSupplierSetsAttribute() throws Exception { |
| entity = app.createAndManageChild(EntitySpec.create(DataEntity.class) |
| .configure(DataEntity.POLL_PERIOD, 50L) |
| .configure(DataEntity.SENSOR_SUPPLIER_MAP, MutableMap.<AttributeSensor<?>, Supplier<?>>of(stringSensor, new Supplier<String>() { |
| @Override |
| public String get() { |
| return reference.get(); |
| } |
| }))); |
| app.start(ImmutableList.of(loc)); |
| |
| reference.set("new"); |
| |
| EntityTestUtils.assertAttributeEqualsEventually(entity, stringSensor, "new"); |
| } |
| |
| @Test |
| public void testSupplierIsPolled() throws Exception { |
| entity = app.createAndManageChild(EntitySpec.create(DataEntity.class) |
| .configure(DataEntity.POLL_PERIOD, 50L) |
| .configure(DataEntity.SENSOR_SUPPLIER_MAP, MutableMap.<AttributeSensor<?>, Supplier<?>>of(longSensor, currentTimeMillis))); |
| app.start(ImmutableList.of(loc)); |
| |
| Asserts.eventually(Entities.attributeSupplier(entity, longSensor), Predicates.notNull()); |
| final Long first = entity.getAttribute(longSensor); |
| assertNotNull(first); |
| |
| Asserts.succeedsEventually(new Runnable() { |
| @Override |
| public void run() { |
| Long second = entity.getAttribute(longSensor); |
| assertNotNull(second); |
| assertTrue(second.longValue() > first.longValue()); |
| } |
| }); |
| } |
| |
| @Test |
| public void testWithMultipleSuppliers() throws Exception { |
| entity = app.createAndManageChild(EntitySpec.create(DataEntity.class) |
| .configure(DataEntity.POLL_PERIOD, 50L) |
| .configure(DataEntity.SENSOR_SUPPLIER_MAP, MutableMap.<AttributeSensor<?>, Supplier<?>>builder() |
| .put(longSensor, currentTimeMillis) |
| .put(stringSensor, new Supplier<String>() { |
| @Override |
| public String get() { |
| return reference.get(); |
| } |
| }) |
| .build())); |
| app.start(ImmutableList.of(loc)); |
| |
| reference.set("value"); |
| |
| Asserts.succeedsEventually(new Runnable() { |
| @Override |
| public void run() { |
| Long first = entity.getAttribute(longSensor); |
| String second = entity.getAttribute(stringSensor); |
| |
| assertNotNull(first); |
| assertNotNull(second); |
| } |
| }); |
| } |
| } |