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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.models.provider.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import com.google.gson.GsonBuilder;
import java.util.Base64;
import lombok.NonNull;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.common.utils.resources.ResourceUtils;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.provider.PolicyModelsProvider;
import org.onap.policy.models.provider.PolicyModelsProviderFactory;
import org.onap.policy.models.provider.PolicyModelsProviderParameters;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.yaml.snakeyaml.Yaml;
/**
* Test persistence of monitoring policies to and from the database.
*
* @author Liam Fallon (liam.fallon@est.tech)
*/
public class PolicyToscaPersistenceTest {
// Logger for this class
private static final Logger LOGGER = LoggerFactory.getLogger(PolicyToscaPersistenceTest.class);
private StandardCoder standardCoder;
private PolicyModelsProvider databaseProvider;
// @formatter:off
private String[] policyResourceNames = {
"policies/vCPE.policy.monitoring.input.tosca.json",
"policies/vCPE.policy.monitoring.input.tosca.yaml",
"policies/vCPE.policy.operational.input.tosca.yaml",
"policies/vDNS.policy.guard.frequency.input.tosca.json",
"policies/vDNS.policy.guard.frequency.input.tosca.yaml",
"policies/vDNS.policy.monitoring.input.tosca.json",
"policies/vDNS.policy.monitoring.input.tosca.yaml",
"policies/vDNS.policy.operational.input.tosca.yaml",
"policies/vFirewall.policy.monitoring.input.tosca.json",
"policies/vFirewall.policy.monitoring.input.tosca.yaml",
"policies/vFirewall.policy.operational.input.tosca.json",
"policies/vFirewall.policy.operational.input.tosca.yaml"
};
// @formatter:on
/**
* Initialize provider.
*
* @throws PfModelException on exceptions in the tests
* @throws CoderException on JSON encoding and decoding errors
*/
@Before
public void setupParameters() throws PfModelException, CoderException {
PolicyModelsProviderParameters parameters = new PolicyModelsProviderParameters();
parameters.setDatabaseDriver("org.h2.Driver");
parameters.setDatabaseUrl("jdbc:h2:mem:testdb");
parameters.setDatabaseUser("policy");
parameters.setDatabasePassword(Base64.getEncoder().encodeToString("P01icY".getBytes()));
parameters.setPersistenceUnit("ToscaConceptTest");
databaseProvider = new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
createPolicyTypes();
}
/**
* Set up the standard coder.
*/
@Before
public void setupStandardCoder() {
standardCoder = new StandardCoder();
}
@After
public void teardown() throws Exception {
databaseProvider.close();
}
@Test
public void testPolicyPersistence() {
try {
for (String policyResourceName : policyResourceNames) {
String policyString = ResourceUtils.getResourceAsString(policyResourceName);
if (policyResourceName.endsWith("yaml")) {
testYamlStringPolicyPersistence(policyString);
} else {
testJsonStringPolicyPersistence(policyString);
}
}
} catch (Exception exc) {
LOGGER.warn("error processing policy types", exc);
fail("test should not throw an exception");
}
}
private void testYamlStringPolicyPersistence(final String policyString) throws Exception {
Object yamlObject = new Yaml().load(policyString);
String yamlAsJsonString = new GsonBuilder().setPrettyPrinting().create().toJson(yamlObject);
testJsonStringPolicyPersistence(yamlAsJsonString);
}
/**
* Check persistence of a policy.
*
* @param policyString the policy as a string
* @throws Exception any exception thrown
*/
public void testJsonStringPolicyPersistence(@NonNull final String policyString) throws Exception {
ToscaServiceTemplate serviceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
assertNotNull(serviceTemplate);
databaseProvider.createPolicies(serviceTemplate);
for (String policyKey : serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).keySet()) {
ToscaPolicy incomingPolicy = serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).get(policyKey);
ToscaPolicy databasePolicy =
databaseProvider.getPolicies(incomingPolicy.getName(), incomingPolicy.getVersion())
.getToscaTopologyTemplate().getPolicies().get(0).get(policyKey);
assertEquals(incomingPolicy.getType(), databasePolicy.getType());
}
}
private void createPolicyTypes() throws CoderException, PfModelException {
Object yamlObject = new Yaml().load(
ResourceUtils.getResourceAsString("policytypes/onap.policies.monitoring.cdap.tca.hi.lo.app.yaml"));
String yamlAsJsonString = new StandardCoder().encode(yamlObject);
ToscaServiceTemplate toscaServiceTemplatePolicyType =
standardCoder.decode(yamlAsJsonString, ToscaServiceTemplate.class);
assertNotNull(toscaServiceTemplatePolicyType);
databaseProvider.createPolicyTypes(toscaServiceTemplatePolicyType);
yamlObject = new Yaml().load(
ResourceUtils.getResourceAsString("policytypes/onap.policies.controlloop.Operational.yaml"));
yamlAsJsonString = new StandardCoder().encode(yamlObject);
toscaServiceTemplatePolicyType = standardCoder.decode(yamlAsJsonString, ToscaServiceTemplate.class);
assertNotNull(toscaServiceTemplatePolicyType);
databaseProvider.createPolicyTypes(toscaServiceTemplatePolicyType);
yamlObject = new Yaml().load(
ResourceUtils.getResourceAsString("policytypes/onap.policies.controlloop.guard.FrequencyLimiter.yaml"));
yamlAsJsonString = new StandardCoder().encode(yamlObject);
toscaServiceTemplatePolicyType = standardCoder.decode(yamlAsJsonString, ToscaServiceTemplate.class);
assertNotNull(toscaServiceTemplatePolicyType);
databaseProvider.createPolicyTypes(toscaServiceTemplatePolicyType);
}
}
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