/**
* 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.ambari.msi;
import junit.framework.Assert;
import org.apache.ambari.scom.TestClusterDefinitionProvider;
import org.apache.ambari.scom.TestHostInfoProvider;
import org.apache.ambari.server.controller.spi.Predicate;
import org.apache.ambari.server.controller.spi.Resource;
import org.apache.ambari.server.controller.utilities.PredicateBuilder;
import org.apache.ambari.server.controller.utilities.PropertyHelper;
import org.junit.Test;
import java.util.HashMap;
import java.util.Set;
/**
*
*/
public class HostProviderTest {
@Test
public void testGetResources() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
Set<Resource> resources = provider.getResources(PropertyHelper.getReadRequest(), null);
Assert.assertEquals(13, resources.size());
}
@Test
public void testGetResourcesWithPredicate() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
Predicate predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("NAMENODE_MASTER.acme.com").toPredicate();
Set<Resource> resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(1, resources.size());
predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("HBASE_MASTER.acme.com").or().
property(HostProvider.HOST_NAME_PROPERTY_ID).equals("slave3.acme.com").toPredicate();
resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(2, resources.size());
predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("unknownHost").toPredicate();
resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertTrue(resources.isEmpty());
}
@Test
public void testGetResourcesHostIP() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
Predicate predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("NAMENODE_MASTER.acme.com").toPredicate();
Set<Resource> resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(1, resources.size());
Resource resource = resources.iterator().next();
String ip = (String) resource.getPropertyValue(HostProvider.HOST_IP_PROPERTY_ID);
Assert.assertEquals("127.0.0.1", ip);
}
@Test
public void testGetResourcesCheckState() throws Exception {
TestStateProvider stateProvider = new TestStateProvider();
ClusterDefinition clusterDefinition = new ClusterDefinition(stateProvider, new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
Predicate predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("slave3.acme.com").toPredicate();
Set<Resource> resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(1, resources.size());
Resource resource = resources.iterator().next();
Assert.assertEquals("HEALTHY", resource.getPropertyValue(HostProvider.HOST_STATE_PROPERTY_ID));
stateProvider.setState(StateProvider.State.Unknown);
resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(1, resources.size());
resource = resources.iterator().next();
Assert.assertEquals("UNHEALTHY", resource.getPropertyValue(HostProvider.HOST_STATE_PROPERTY_ID));
}
@Test
public void testGetResourcesCheckStateFromCategory() throws Exception {
TestStateProvider stateProvider = new TestStateProvider();
ClusterDefinition clusterDefinition = new ClusterDefinition(stateProvider, new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
Predicate predicate = new PredicateBuilder().property(HostProvider.HOST_NAME_PROPERTY_ID).equals("slave3.acme.com").toPredicate();
Set<Resource> resources = provider.getResources(PropertyHelper.getReadRequest("Hosts"), predicate);
Assert.assertEquals(1, resources.size());
Resource resource = resources.iterator().next();
Assert.assertEquals("HEALTHY", resource.getPropertyValue(HostProvider.HOST_STATE_PROPERTY_ID));
stateProvider.setState(StateProvider.State.Unknown);
resources = provider.getResources(PropertyHelper.getReadRequest(), predicate);
Assert.assertEquals(1, resources.size());
resource = resources.iterator().next();
Assert.assertEquals("UNHEALTHY", resource.getPropertyValue(HostProvider.HOST_STATE_PROPERTY_ID));
}
@Test
public void testCreateResources() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
try {
provider.createResources(PropertyHelper.getReadRequest());
Assert.fail("Expected UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
//expected
}
}
@Test
public void testUpdateResources() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
provider.updateResources(PropertyHelper.getUpdateRequest(new HashMap<String, Object>(), null), null);
}
@Test
public void testDeleteResources() throws Exception {
ClusterDefinition clusterDefinition = new ClusterDefinition(new TestStateProvider(), new TestClusterDefinitionProvider(), new TestHostInfoProvider());
HostProvider provider = new HostProvider(clusterDefinition);
try {
provider.deleteResources(null);
Assert.fail("Expected UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
//expected
}
}
}