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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.distribution.forwarding.apex.pdp;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;
import org.onap.policy.apex.core.deployment.EngineServiceFacade;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.common.parameters.ParameterGroup;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.distribution.forwarding.PolicyForwardingException;
import org.onap.policy.models.tosca.authorative.concepts.ToscaEntity;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
/**
* Class to perform unit test of {@link ApexPdpPolicyForwarder}.
*
* @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
*/
@RunWith(MockitoJUnitRunner.class)
public class ApexPdpPolicyForwarderTest {
private static final String HOST_NAME = "10.10.10.10";
private static final int PORT = 1234;
private static final boolean IGNORE_CONFLICTS = false;
private static final boolean FORCE_UPDATE = true;
private static final String GROUP_NAME = "apexPdpConfiguration";
@Mock
EngineServiceFacade engineServiceFacade;
/**
* Set up.
*/
@BeforeClass
public static void setUp() {
final ApexPdpPolicyForwarderParameterBuilder builder = new ApexPdpPolicyForwarderParameterBuilder();
builder.setHostname(HOST_NAME).setPort(PORT).setIgnoreConflicts(IGNORE_CONFLICTS).setForceUpdate(FORCE_UPDATE);
final ParameterGroup parameterGroup = new ApexPdpPolicyForwarderParameterGroup(builder);
parameterGroup.setName(GROUP_NAME);
ParameterService.register(parameterGroup);
}
/**
* Tear down.
*/
@AfterClass
public static void tearDown() {
ParameterService.deregister(GROUP_NAME);
}
@Test
public void testForwardPolicy() throws ApexException, FileNotFoundException, IOException, PolicyForwardingException,
NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
final Collection<ToscaEntity> policies = new ArrayList<>();
final ApexPdpPolicyForwarder forwarder = new ApexPdpPolicyForwarder();
forwarder.configure(GROUP_NAME);
final Field forwarderField = forwarder.getClass().getDeclaredField("engineServiceFacade");
forwarderField.setAccessible(true);
forwarderField.set(forwarder, engineServiceFacade);
createPolicy(policies, "policy", "APEX", "Sample Policy of apex");
try {
forwarder.forward(policies);
verify(engineServiceFacade, times(1)).init();
verify(engineServiceFacade, times(1)).deployModel(eq("policy"), anyObject(), eq(IGNORE_CONFLICTS),
eq(FORCE_UPDATE));
} catch (final Exception exp) {
fail("Test must not throw an exception");
}
}
@Test
public void testForwardPolicyError()
throws ApexException, FileNotFoundException, IOException, PolicyForwardingException, NoSuchFieldException,
SecurityException, IllegalArgumentException, IllegalAccessException {
final Collection<ToscaEntity> policies = new ArrayList<>();
final ApexPdpPolicyForwarder forwarder = new ApexPdpPolicyForwarder();
forwarder.configure(GROUP_NAME);
Mockito.doThrow(new ApexException("Failed")).when(engineServiceFacade).deployModel(eq("policy1"), anyObject(),
eq(IGNORE_CONFLICTS), eq(FORCE_UPDATE));
final Field decodersField = forwarder.getClass().getDeclaredField("engineServiceFacade");
decodersField.setAccessible(true);
decodersField.set(forwarder, engineServiceFacade);
createPolicy(policies, "policy1", "APEX", "Sample Policy of apex");
try {
forwarder.forward(policies);
fail("Test must throw an exception");
} catch (final Exception exp) {
assertTrue(exp.getMessage().contains("Error sending policy to apex-pdp engine"));
}
}
@Test
public void testForwardMoreThanOnePolicy()
throws ApexException, FileNotFoundException, IOException, PolicyForwardingException, NoSuchFieldException,
SecurityException, IllegalArgumentException, IllegalAccessException {
final Collection<ToscaEntity> policies = new ArrayList<>();
final ApexPdpPolicyForwarder forwarder = new ApexPdpPolicyForwarder();
forwarder.configure(GROUP_NAME);
final Field forwarderField = forwarder.getClass().getDeclaredField("engineServiceFacade");
forwarderField.setAccessible(true);
forwarderField.set(forwarder, engineServiceFacade);
createPolicy(policies, "policy1", "APEX", "Sample Policy of apex");
createPolicy(policies, "policy2", "APEX", "Sample Policy of apex");
try {
forwarder.forward(policies);
fail("Test must throw an exception");
} catch (final Exception exp) {
assertTrue(exp.getMessage().contains("More than one apex policy cannot be forwarded to an apex engine"));
}
}
@Test
public void testForwardUnsupportedPolicy()
throws ApexException, FileNotFoundException, IOException, PolicyForwardingException, NoSuchFieldException,
SecurityException, IllegalArgumentException, IllegalAccessException {
final Collection<ToscaEntity> policies = new ArrayList<>();
final ApexPdpPolicyForwarder forwarder = new ApexPdpPolicyForwarder();
forwarder.configure(GROUP_NAME);
final Field forwarderField = forwarder.getClass().getDeclaredField("engineServiceFacade");
forwarderField.setAccessible(true);
forwarderField.set(forwarder, engineServiceFacade);
final ToscaEntity policy = new UnsupportedPolicy();
policies.add(policy);
try {
forwarder.forward(policies);
fail("Test must throw an exception");
} catch (final Exception exp) {
assertTrue(exp.getMessage().contains("Ignoring the policy as it is not of type ToscaPolicy"));
}
}
class UnsupportedPolicy extends ToscaEntity {
@Override
public String getName() {
return "unsupported";
}
}
private void createPolicy(final Collection<ToscaEntity> policies, final String name, final String type,
final String description) {
final ToscaPolicy policy = new ToscaPolicy();
policy.setName(name);
policy.setType(type);
policy.setDescription(description);
policies.add(policy);
}
}
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