121 lines
4.9 KiB
Java
121 lines
4.9 KiB
Java
package com.hpcloud.maas.domain.model;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertFalse;
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import static org.testng.Assert.assertTrue;
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import java.util.Arrays;
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import java.util.List;
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import org.testng.annotations.Test;
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import com.hpcloud.maas.common.model.alarm.AlarmExpression;
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import com.hpcloud.maas.common.model.alarm.AlarmState;
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/**
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* @author Jonathan Halterman
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*/
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@Test
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public class AlarmTest {
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public void shouldBeUndeterminedIfAnySubAlarmIsUndetermined() {
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AlarmExpression expr = new AlarmExpression(
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"avg(hpcs.compute{instance_id=5,metric_name=cpu,device=1}, 1) > 5 times 3 AND avg(hpcs.compute{flavor_id=3,metric_name=mem}, 2) < 4 times 3");
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SubAlarm subAlarm1 = new SubAlarm("123", "1", expr.getSubExpressions().get(0),
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AlarmState.UNDETERMINED);
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SubAlarm subAlarm2 = new SubAlarm("456", "1", expr.getSubExpressions().get(1), AlarmState.ALARM);
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Alarm alarm = new Alarm("1", "joe", "test alarm", expr, Arrays.asList(subAlarm1, subAlarm2),
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AlarmState.UNDETERMINED);
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assertFalse(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.UNDETERMINED);
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}
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public void shouldEvaluateExpressionWithBooleanAnd() {
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AlarmExpression expr = new AlarmExpression(
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"avg(hpcs.compute{instance_id=5,metric_name=cpu,device=1}, 1) > 5 times 3 AND avg(hpcs.compute{flavor_id=3,metric_name=mem}, 2) < 4 times 3");
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SubAlarm subAlarm1 = new SubAlarm("123", "1", expr.getSubExpressions().get(0));
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SubAlarm subAlarm2 = new SubAlarm("456", "1", expr.getSubExpressions().get(1));
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Alarm alarm = new Alarm("1", "joe", "test alarm", expr, Arrays.asList(subAlarm1, subAlarm2),
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AlarmState.UNDETERMINED);
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assertFalse(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.UNDETERMINED);
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subAlarm1.setState(AlarmState.OK);
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assertFalse(alarm.evaluate());
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// UNDETERMINED -> OK
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subAlarm2.setState(AlarmState.OK);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.OK);
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subAlarm2.setState(AlarmState.ALARM);
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assertFalse(alarm.evaluate());
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// OK -> ALARM
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subAlarm1.setState(AlarmState.ALARM);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.ALARM);
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// ALARM -> UNDETERMINED
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subAlarm1.setState(AlarmState.UNDETERMINED);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.UNDETERMINED);
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}
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public void shouldEvaluateExpressionWithBooleanOr() {
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AlarmExpression expr = new AlarmExpression(
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"avg(hpcs.compute{instance_id=5,metric_name=cpu,device=1}, 1) > 5 times 3 OR avg(hpcs.compute{flavor_id=3,metric_name=mem}, 2) < 4 times 3");
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SubAlarm subAlarm1 = new SubAlarm("123", "1", expr.getSubExpressions().get(0));
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SubAlarm subAlarm2 = new SubAlarm("456", "1", expr.getSubExpressions().get(1));
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Alarm alarm = new Alarm("1", "joe", "test alarm", expr, Arrays.asList(subAlarm1, subAlarm2),
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AlarmState.UNDETERMINED);
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assertFalse(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.UNDETERMINED);
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subAlarm1.setState(AlarmState.ALARM);
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assertFalse(alarm.evaluate());
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// UNDETERMINED -> ALARM
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subAlarm2.setState(AlarmState.OK);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.ALARM);
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// ALARM -> OK
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subAlarm1.setState(AlarmState.OK);
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subAlarm2.setState(AlarmState.OK);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.OK);
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// OK -> ALARM
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subAlarm2.setState(AlarmState.ALARM);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.ALARM);
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// ALARM -> UNDETERMINED
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subAlarm2.setState(AlarmState.UNDETERMINED);
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assertTrue(alarm.evaluate());
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assertEquals(alarm.getState(), AlarmState.UNDETERMINED);
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}
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public void shouldBuiltStateChangeReason() {
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AlarmExpression expr = new AlarmExpression(
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"avg(hpcs.compute{instance_id=5,metric_name=cpu,device=1}, 1) > 5 times 3 OR avg(hpcs.compute{flavor_id=3,metric_name=mem}, 2) < 4 times 3");
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SubAlarm subAlarm1 = new SubAlarm("123", "1", expr.getSubExpressions().get(0));
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SubAlarm subAlarm2 = new SubAlarm("456", "1", expr.getSubExpressions().get(1));
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List<String> expressions = Arrays.asList(subAlarm1.getExpression().toString(),
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subAlarm2.getExpression().toString());
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assertEquals(
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Alarm.buildStateChangeReason(AlarmState.UNDETERMINED, expressions),
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"No data was present for the sub-alarms: [avg(hpcs.compute{device=1, metric_name=cpu, instance_id=5}, 1) > 5.0 times 3, avg(hpcs.compute{flavor_id=3, metric_name=mem}, 2) < 4.0 times 3]");
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assertEquals(
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Alarm.buildStateChangeReason(AlarmState.ALARM, expressions),
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"Thresholds were exceeded for the sub-alarms: [avg(hpcs.compute{device=1, metric_name=cpu, instance_id=5}, 1) > 5.0 times 3, avg(hpcs.compute{flavor_id=3, metric_name=mem}, 2) < 4.0 times 3]");
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}
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}
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