1 files changed, 169 insertions, 0 deletions
diff --git a/rulemgt/src/test/java/org/onap/holmes/rulemgt/RuleAllocatorTest.java b/rulemgt/src/test/java/org/onap/holmes/rulemgt/RuleAllocatorTest.java
new file mode 100644
index 0000000..04be2e0
--- /dev/null
+++ b/rulemgt/src/test/java/org/onap/holmes/rulemgt/RuleAllocatorTest.java
@@ -0,0 +1,169 @@
+/**
+ * Copyright 2017-2020 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.glassfish.hk2.api.ServiceLocator;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.onap.holmes.common.api.entity.CorrelationRule;
+import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
+import org.onap.holmes.common.utils.DbDaoUtil;
+import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
+import org.onap.holmes.rulemgt.db.CorrelationRuleDao;
+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 org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+
+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;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({ServiceLocator.class, RuleMgtWrapper.class, RuleQueryWrapper.class, EngineWrapper.class,
+        EngineTools.class, DbDaoUtil.class, ServiceLocatorHolder.class})
+public class RuleAllocatorTest {
+
+    private RuleMgtWrapper ruleMgtWrapperMock;
+    private RuleQueryWrapper ruleQueryWrapperMock;
+    private EngineWrapper engineWrapperMock;
+    private EngineTools engineToolsMock;
+    private DbDaoUtil dbDaoUtilMock;
+    private CorrelationRuleDao correlationRuleDaoMock;
+
+    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);
+        dbDaoUtilMock = PowerMock.createMock(DbDaoUtil.class);
+        correlationRuleDaoMock = PowerMock.createMock(CorrelationRuleDao.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(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
+        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();
+        correlationRuleDaoMock.updateRule(anyObject(CorrelationRule.class));
+        expectLastCall().anyTimes();
+
+        PowerMock.replayAll();
+
+        RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
+                engineWrapperMock, engineToolsMock, dbDaoUtilMock);
+        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(dbDaoUtilMock.getJdbiDaoByOnDemand(CorrelationRuleDao.class)).andReturn(correlationRuleDaoMock);
+        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);
+        correlationRuleDaoMock.updateRule(anyObject(CorrelationRule.class));
+        expectLastCall().times(2);
+
+        PowerMock.replayAll();
+
+        RuleAllocator ruleAllocator = new RuleAllocator(ruleMgtWrapperMock, ruleQueryWrapperMock,
+                engineWrapperMock, engineToolsMock, dbDaoUtilMock);
+
+        ruleAllocator.allocateRules();
+
+        PowerMock.verifyAll();
+
+    }
+}