/*
* 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;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.location.LocationSpec;
import org.apache.brooklyn.api.sensor.AttributeSensor;
import org.apache.brooklyn.core.location.SimulatedLocation;
import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.entity.group.DynamicGroup;
import org.apache.brooklyn.util.time.Duration;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
/**
* Tests on {@link EntityAsserts}.
*/
public class EntityAssertsTest extends BrooklynAppUnitTestSupport {
private static final String STOOGE = "stooge";
private SimulatedLocation loc;
private TestEntity entity;
private ScheduledExecutorService executor;
private DynamicGroup stooges;
@BeforeMethod(alwaysRun=true)
@Override
public void setUp() throws Exception {
super.setUp();
loc = app.getManagementContext().getLocationManager().createLocation(LocationSpec.create(SimulatedLocation.class));
entity = app.createAndManageChild(EntitySpec.create(TestEntity.class));
stooges = app.createAndManageChild(EntitySpec.create(DynamicGroup.class));
final EntitySpec<TestEntity> stooge =
EntitySpec.create(TestEntity.class).configure(TestEntity.CONF_NAME, STOOGE);
app.createAndManageChild(stooge);
app.createAndManageChild(stooge);
app.createAndManageChild(stooge);
app.start(ImmutableList.of(loc));
executor = Executors.newScheduledThreadPool(3);
}
@AfterMethod(alwaysRun=true)
public void tearDown() throws Exception {
if (executor != null) executor.shutdownNow();
if (app != null) Entities.destroyAll(app.getManagementContext());
super.tearDown();
}
@Test
public void shouldAssertAttributeEquals() {
final String myName = "myname";
entity.sensors().set(TestEntity.NAME, myName);
EntityAsserts.assertAttributeEquals(entity, TestEntity.NAME, myName);
}
@Test(expectedExceptions = AssertionError.class)
public void shouldFailToAssertAttributeEquals() {
final String myName = "myname";
entity.sensors().set(TestEntity.NAME, myName);
EntityAsserts.assertAttributeEquals(entity, TestEntity.NAME, "bogus");
}
@Test
public void shouldAssertConfigEquals() {
EntityAsserts.assertConfigEquals(entity, TestEntity.CONF_NAME, "defaultval");
}
@Test(expectedExceptions = AssertionError.class)
public void shouldFailToAssertConfigEquals() {
EntityAsserts.assertConfigEquals(entity, TestEntity.CONF_NAME, "bogus");
}
@Test(groups="Integration")
public void shouldAssertAttributeEqualsEventually() {
entity.sensors().set(TestEntity.NAME, "before");
final String after = "after";
setSensorValueLater(TestEntity.NAME, after, Duration.seconds(2));
EntityAsserts.assertAttributeEqualsEventually(entity, TestEntity.NAME, after);
}
@Test(groups="Integration", expectedExceptions = AssertionError.class)
public void shouldFailToAssertAttributeEqualsEventually() {
entity.sensors().set(TestEntity.NAME, "before");
final String after = "after";
setSensorValueLater(TestEntity.NAME, after, Duration.seconds(2));
EntityAsserts.assertAttributeEqualsEventually(ImmutableMap.of("timeout", "1s"), entity, TestEntity.NAME, after);
}
private <T> void setSensorValueLater(final AttributeSensor<T> sensor, final T value, final Duration delay) {
executor.schedule(new Runnable() {
@Override
public void run() {
entity.sensors().set(sensor, value);
}
}, delay.toUnit(TimeUnit.MILLISECONDS), TimeUnit.MILLISECONDS);
}
@Test(groups="Integration")
public void shouldAssertAttributeEventuallyNonNull() {
EntityAsserts.assertAttributeEquals(entity, TestEntity.NAME, null);
setSensorValueLater(TestEntity.NAME, "something", Duration.seconds(1));
EntityAsserts.assertAttributeEventuallyNonNull(entity, TestEntity.NAME);
}
@Test(groups="Integration")
public void shouldAssertAttributeEventually() {
setSensorValueLater(TestEntity.NAME, "testing testing 123", Duration.seconds(1));
EntityAsserts.assertAttributeEventually(entity, TestEntity.NAME, new Predicate<String>() {
@Override
public boolean apply(String input) {
return input.matches(".*\\d+");
}
});
}
@Test
public void shouldAssertAttribute() {
final String before = "before";
entity.sensors().set(TestEntity.NAME, before);
EntityAsserts.assertAttribute(entity, TestEntity.NAME, Predicates.equalTo(before));
}
@Test(groups="Integration")
public void shouldAssertPredicateEventuallyTrue() {
final int testVal = 987654321;
executor.schedule(new Runnable() {
@Override
public void run() {
entity.setSequenceValue(testVal);
}
}, 1, TimeUnit.SECONDS);
EntityAsserts.assertPredicateEventuallyTrue(entity, new Predicate<TestEntity>() {
@Override
public boolean apply(TestEntity input) {
return testVal == input.getSequenceValue() ;
}
});
}
@Test(groups="Integration")
public void shouldAssertAttributeEqualsContinually() {
final String myName = "myname";
entity.sensors().set(TestEntity.NAME, myName);
EntityAsserts.assertAttributeEqualsContinually(
ImmutableMap.of("timeout", "2s"), entity, TestEntity.NAME, myName);
}
@Test(groups="Integration", expectedExceptions = AssertionError.class)
public void shouldFailAssertAttributeEqualsContinually() {
final String myName = "myname";
entity.sensors().set(TestEntity.NAME, myName);
setSensorValueLater(TestEntity.NAME, "something", Duration.seconds(1));
EntityAsserts.assertAttributeEqualsContinually(
ImmutableMap.of("timeout", "2s"), entity, TestEntity.NAME, myName);
}
@Test(groups="Integration")
public void shouldAssertGroupSizeEqualsEventually() {
setGroupFilterLater(STOOGE, 1);
EntityAsserts.assertGroupSizeEqualsEventually(ImmutableMap.of("timeout", "2s"), stooges, 3);
setGroupFilterLater("Marx Brother", 1);
EntityAsserts.assertGroupSizeEqualsEventually(stooges, 0);
}
private void setGroupFilterLater(final String conf, long delaySeconds) {
executor.schedule(new Runnable() {
@Override
public void run() {
stooges.setEntityFilter(EntityPredicates.configEqualTo(TestEntity.CONF_NAME, conf));
}
}, delaySeconds, TimeUnit.SECONDS);
}
@Test(groups="Integration")
public void shouldAssertAttributeChangesEventually () {
entity.sensors().set(TestEntity.NAME, "before");
setSensorValueLater(TestEntity.NAME, "after", Duration.seconds(2));
EntityAsserts.assertAttributeChangesEventually(entity, TestEntity.NAME);
}
@Test(groups="Integration")
public void shouldAssertAttributeNever() {
entity.sensors().set(TestEntity.NAME, "ever");
EntityAsserts.assertAttributeContinuallyNotEqualTo(ImmutableMap.of("timeout", "5s"), entity, TestEntity.NAME, "after");
}
}