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/**
* Copyright 2017-2021 ZTE Corporation.
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.onap.holmes.rulemgt;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.holmes.common.api.entity.CorrelationRule;
import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
import org.onap.holmes.rulemgt.db.CorrelationRuleService;
import org.onap.holmes.rulemgt.tools.EngineTools;
import org.onap.holmes.rulemgt.wrapper.RuleMgtWrapper;
import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
import org.powermock.api.easymock.PowerMock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.stream.Collectors;
import static org.easymock.EasyMock.*;
import static org.onap.holmes.rulemgt.RuleAllocator.ENABLE;
@PrepareForTest({RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
EngineTools.class})
public class RuleAllocatorTest {
private RuleMgtWrapper ruleMgtWrapperMock;
private RuleQueryWrapper ruleQueryWrapperMock;
private EngineWrapper engineWrapperMock;
private EngineTools engineToolsMock;
private CorrelationRuleService correlationRuleServiceMock;
private List<CorrelationRule> rules;
private List<String> existingIps;
@Before
public void before() {
ruleMgtWrapperMock = PowerMock.createMock(RuleMgtWrapper.class);
ruleQueryWrapperMock = PowerMock.createMock(RuleQueryWrapper.class);
engineWrapperMock = PowerMock.createMock(EngineWrapper.class);
engineToolsMock = PowerMock.createMock(EngineTools.class);
correlationRuleServiceMock = PowerMock.createMock(CorrelationRuleService.class);
rules = new ArrayList<>();
for (int i = 0; i < 20; ++i) {
CorrelationRule rule = new CorrelationRule();
rule.setRid("rid-" + i);
rule.setName("rule-" + i);
rule.setDescription("desc-" + i);
rule.setEnabled(1);
rule.setTemplateID((long) i);
rule.setEngineID("engine-" + i);
rule.setCreateTime(Calendar.getInstance().getTime());
rule.setUpdateTime(Calendar.getInstance().getTime());
rule.setPackageName("package-" + i);
rule.setClosedControlLoopName("CL-" + i);
rule.setEngineInstance("10.15.3." + (i % 10));
rules.add(rule);
}
existingIps = new ArrayList<>();
for (int i = 0; i < 10; ++i) {
existingIps.add("10.15.3." + i);
}
}
@After
public void after() {
PowerMock.resetAll();
}
@Test
public void allocateRuleTest_engine_scaled_out() throws Exception {
List<String> newEngineInstances = new ArrayList();
newEngineInstances.add("127.0.0.1");
newEngineInstances.add("10.23.0.72");
List<String> ipListFromMsb = new ArrayList();
ipListFromMsb.addAll(newEngineInstances);
ipListFromMsb.addAll(existingIps);
expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
expect(ruleQueryWrapperMock.queryRuleByEnable(ENABLE)).andReturn(rules.stream()
.filter(r -> r.getEnabled() == ENABLE).collect(Collectors.toList()));
for (String ip : existingIps) {
expect(ruleQueryWrapperMock.queryRuleByEngineInstance(ip))
.andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
}
expect(engineWrapperMock.deleteRuleFromEngine(anyObject(String.class),
anyObject(String.class))).andReturn(true).anyTimes();
expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
.andReturn(new ArrayList<>()).times(2);
expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class),
anyObject(String.class))).andReturn("").anyTimes();
correlationRuleServiceMock.updateRule(anyObject(CorrelationRule.class));
expectLastCall().anyTimes();
PowerMock.replayAll();
RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
engineWrapperMock, engineToolsMock, correlationRuleServiceMock);
ruleAllocator.allocateRules();
PowerMock.verifyAll();
}
@Test
public void allocateRuleTest_engine_scaled_in() throws Exception {
List<String> ipListFromMsb = new ArrayList<>();
ipListFromMsb.addAll(existingIps);
ipListFromMsb.remove(0);
expect(engineToolsMock.getInstanceList()).andReturn(ipListFromMsb);
expect(engineToolsMock.getLegacyEngineInstances()).andReturn(existingIps);
for (String ip : existingIps) {
expect(ruleQueryWrapperMock.queryRuleByEngineInstance(anyObject(String.class)))
.andReturn(rules.stream().filter(r -> r.getEngineInstance().equals(ip)).collect(Collectors.toList()));
}
expect(ruleMgtWrapperMock.deployRule2Engine(anyObject(CorrelationRule.class), anyString())).andReturn("anyId").times(2);
correlationRuleServiceMock.updateRule(anyObject(CorrelationRule.class));
expectLastCall().times(2);
PowerMock.replayAll();
RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
engineWrapperMock, engineToolsMock, correlationRuleServiceMock);
ruleAllocator.allocateRules();
PowerMock.verifyAll();
}
}
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