/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is licensed 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package gov.nasa.arc.mct.policymgr;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertTrue;
import gov.nasa.arc.mct.policy.Policy;
import gov.nasa.arc.mct.policy.PolicyContext;
import gov.nasa.arc.mct.policy.PolicyInfo;
import gov.nasa.arc.mct.registry.ExternalComponentRegistryImpl.ExtendedComponentProvider;
import gov.nasa.arc.mct.services.component.AbstractComponentProvider;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
* Unit test for the policy manager.
* @author nija.shi@nasa.gov
*
*/
public class PolicyManagerTest {
private class TestComponentProvider extends AbstractComponentProvider {
@Override
public Collection<PolicyInfo> getPolicyInfos() {
return Collections.singletonList(new PolicyInfo(MY_POLICY_CATEGORY_KEY, SamplePolicy.class));
}
}
private static final String MY_POLICY_CATEGORY_KEY = "MY_POLICY_CATEGORY";
private static final String POLICY_ACTION_KEY = "MY_ACTION";
static final String POLICY_ACTION_DESC = "do nothing";
private PolicyManagerImpl manager;
private Policy policy;
private TestComponentProvider provider;
/**
* Starts up the policy manager and register a policy.
*/
@BeforeClass
public void setUp() {
// Initialize the policy manager
manager = PolicyManagerImpl.getInstance();
// Create a policy
policy = new SamplePolicy();
// Create a component provider
provider = new TestComponentProvider();
// Register the policy to the policy manager
manager.refreshExtendedPolicies(Collections.singletonList(new ExtendedComponentProvider(provider, "test")));
}
/**
* Creates a context and executes the registered policy.
*/
@Test
public void test() {
assertNotNull(manager);
assertNotNull(policy);
PolicyContext context = new PolicyContext();
context.setProperty(POLICY_ACTION_KEY, POLICY_ACTION_DESC);
assertTrue(manager.execute(MY_POLICY_CATEGORY_KEY, context).getStatus());
}
@Test
public void testReturnNullFromProvider() {
TestComponentProvider badProvider = new TestComponentProvider() {
@Override
public Collection<PolicyInfo> getPolicyInfos() {
return null;
}
};
manager.refreshExtendedPolicies(
Arrays.asList(new ExtendedComponentProvider(provider,"test"),
new ExtendedComponentProvider(badProvider, "test2"))
);
PolicyContext context = new PolicyContext();
context.setProperty(POLICY_ACTION_KEY, POLICY_ACTION_DESC);
assertTrue(manager.execute(MY_POLICY_CATEGORY_KEY, context).getStatus());
}
@Test
public void testExceptionFromProvider() {
TestComponentProvider badProvider = new TestComponentProvider() {
@Override
public Collection<PolicyInfo> getPolicyInfos() {
throw new NullPointerException();
}
};
manager.refreshExtendedPolicies(
Arrays.asList(new ExtendedComponentProvider(provider,"test"),
new ExtendedComponentProvider(badProvider, "test2"))
);
PolicyContext context = new PolicyContext();
context.setProperty(POLICY_ACTION_KEY, POLICY_ACTION_DESC);
assertTrue(manager.execute(MY_POLICY_CATEGORY_KEY, context).getStatus());
}
}