| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| */ |
| |
| package org.apache.metron.profiler.storm; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.adrianwalker.multilinestring.Multiline; |
| import org.apache.metron.common.Constants; |
| import org.apache.metron.common.configuration.profiler.ProfileConfig; |
| import org.apache.metron.common.utils.JSONUtils; |
| import org.apache.metron.profiler.ProfileMeasurement; |
| import org.apache.metron.statistics.OnlineStatisticsProvider; |
| import org.apache.storm.task.OutputCollector; |
| import org.apache.storm.tuple.Values; |
| import org.json.simple.JSONObject; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mockito; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.junit.jupiter.api.Assertions.*; |
| import static org.mockito.Mockito.*; |
| |
| /** |
| * Tests the KafkaDestinationHandler. |
| */ |
| public class KafkaEmitterTest { |
| |
| /** |
| * { |
| * "profile": "profile-one-destination", |
| * "foreach": "ip_src_addr", |
| * "init": { "x": "0" }, |
| * "update": { "x": "x + 1" }, |
| * "result": { |
| * "profile": "x", |
| * "triage": { |
| * "value": "x" |
| * } |
| * } |
| * } |
| */ |
| @Multiline |
| private String profileDefinitionWithTriage; |
| |
| private KafkaEmitter kafkaEmitter; |
| private ProfileConfig profile; |
| private OutputCollector collector; |
| |
| @BeforeEach |
| public void setup() throws Exception { |
| kafkaEmitter = new KafkaEmitter(); |
| profile = createDefinition(profileDefinitionWithTriage); |
| collector = Mockito.mock(OutputCollector.class); |
| } |
| |
| /** |
| * The handler should emit a message when a result/triage expression(s) has been defined. |
| */ |
| @Test |
| public void testEmit() { |
| |
| // create a measurement that has triage values |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withProfileName("profile") |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withDefinition(profile) |
| .withTriageValues(Collections.singletonMap("triage-key", "triage-value")); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| |
| // a message should be emitted |
| verify(collector, times(1)).emit(eq(kafkaEmitter.getStreamId()), any()); |
| } |
| |
| /** |
| * The handler should NOT emit a message when there is NO result/triage value(s). |
| */ |
| @Test |
| public void testDoNotEmit() { |
| |
| // create a measurement with NO triage values |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withProfileName("profile") |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withDefinition(profile); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| |
| // a message should NOT be emitted |
| verify(collector, times(0)).emit(eq(kafkaEmitter.getStreamId()), any()); |
| } |
| |
| /** |
| * Validate that the message generated for Kafka should include the triage value. |
| */ |
| @Test |
| public void testTriageValueInMessage() { |
| |
| // create a measurement that has triage values |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withDefinition(profile) |
| .withProfileName(profile.getProfile()) |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withTriageValues(Collections.singletonMap("triage-key", "triage-value")); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| JSONObject actual = expectJsonObject(kafkaEmitter, collector); |
| |
| // validate the core parts of the message |
| assertEquals(measurement.getProfileName(), actual.get("profile")); |
| assertEquals(measurement.getEntity(), actual.get("entity")); |
| assertEquals(measurement.getPeriod().getPeriod(), actual.get("period")); |
| assertEquals(measurement.getPeriod().getStartTimeMillis(), actual.get("period.start")); |
| assertEquals(measurement.getPeriod().getEndTimeMillis(), actual.get("period.end")); |
| assertEquals("profiler", actual.get("source.type")); |
| assertNotNull(actual.get("timestamp")); |
| assertNotNull(actual.get(Constants.GUID)); |
| |
| // validate that the triage value has been added |
| assertEquals(measurement.getTriageValues().get("triage-key"), actual.get("triage-key")); |
| } |
| |
| /** |
| * Validate that the message generated for Kafka can include multiple triage values. |
| */ |
| @Test |
| public void testMultipleTriageValueInMessage() { |
| |
| // multiple triage values have been defined |
| Map<String, Object> triageValues = ImmutableMap.of( |
| "x", 2, |
| "y", "4", |
| "z", 6.0); |
| |
| // create a measurement that has multiple triage values |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withDefinition(profile) |
| .withProfileName(profile.getProfile()) |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withTriageValues(triageValues); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| JSONObject actual = expectJsonObject(kafkaEmitter, collector); |
| |
| // validate that ALL of the triage values have been added |
| assertEquals(measurement.getTriageValues().get("x"), actual.get("x")); |
| assertEquals(measurement.getTriageValues().get("y"), actual.get("y")); |
| assertEquals(measurement.getTriageValues().get("z"), actual.get("z")); |
| } |
| |
| /** |
| * Values destined for Kafka can only be serialized into text, which limits the types of values |
| * that can result from a triage expression. Only primitive types and Strings are allowed. |
| */ |
| @Test |
| public void testInvalidType() { |
| |
| // create one invalid expression and one valid expression |
| Map<String, Object> triageValues = ImmutableMap.of( |
| "invalid", new OnlineStatisticsProvider(), |
| "valid", 4); |
| |
| // create the measurement with a Map as a triage value; this is not allowed |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withDefinition(profile) |
| .withProfileName(profile.getProfile()) |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withTriageValues(triageValues); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| JSONObject actual = expectJsonObject(kafkaEmitter, collector); |
| |
| // validate the core parts of the message still exist |
| assertEquals(measurement.getProfileName(), actual.get("profile")); |
| assertEquals(measurement.getEntity(), actual.get("entity")); |
| assertEquals(measurement.getPeriod().getPeriod(), actual.get("period")); |
| assertEquals(measurement.getPeriod().getStartTimeMillis(), actual.get("period.start")); |
| assertEquals(measurement.getPeriod().getEndTimeMillis(), actual.get("period.end")); |
| assertEquals("profiler", actual.get("source.type")); |
| assertNotNull(actual.get("timestamp")); |
| assertNotNull(actual.get(Constants.GUID)); |
| |
| // the invalid expression should be skipped and not included in the message |
| assertFalse(actual.containsKey("invalid")); |
| |
| // but the valid expression should still be there |
| assertEquals(triageValues.get("valid"), actual.get("valid")); |
| } |
| |
| /** |
| * Values destined for Kafka can only be serialized into text, which limits the types of values |
| * that can result from a triage expression. Only primitive types and Strings are allowed. |
| */ |
| @Test |
| public void testIntegerIsValidType() { |
| |
| // create a measurement with a triage value that is an integer |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withDefinition(profile) |
| .withProfileName(profile.getProfile()) |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withTriageValues(Collections.singletonMap("triage-key", 123)); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| JSONObject actual = expectJsonObject(kafkaEmitter, collector); |
| |
| // the triage expression is valid |
| assertEquals(measurement.getTriageValues().get("triage-key"), actual.get("triage-key")); |
| } |
| |
| /** |
| * Values destined for Kafka can only be serialized into text, which limits the types of values |
| * that can result from a triage expression. Only primitive types and Strings are allowed. |
| */ |
| @Test |
| public void testStringIsValidType() { |
| |
| // create a measurement with a triage value that is a string |
| ProfileMeasurement measurement = new ProfileMeasurement() |
| .withDefinition(profile) |
| .withProfileName(profile.getProfile()) |
| .withEntity("entity") |
| .withPeriod(20000, 15, TimeUnit.MINUTES) |
| .withTriageValues(Collections.singletonMap("triage-key", "value")); |
| |
| // execute the test |
| kafkaEmitter.emit(measurement, collector); |
| JSONObject actual = expectJsonObject(kafkaEmitter, collector); |
| |
| // the triage expression is valid |
| assertEquals(measurement.getTriageValues().get("triage-key"), actual.get("triage-key")); |
| } |
| |
| /** |
| * Verifies that the KafkaEmitter does emit a JSONObject. |
| * @return The JSONObject that was emitted |
| */ |
| private JSONObject expectJsonObject(KafkaEmitter kafkaEmitter, OutputCollector collector) { |
| |
| ArgumentCaptor<Values> arg = ArgumentCaptor.forClass(Values.class); |
| verify(collector, times(1)).emit(eq(kafkaEmitter.getStreamId()), arg.capture()); |
| Values values = arg.getValue(); |
| assertTrue(values.get(0) instanceof JSONObject); |
| return (JSONObject) values.get(0); |
| } |
| |
| /** |
| * Creates a profile definition based on a string of JSON. |
| * @param json The string of JSON. |
| */ |
| private ProfileConfig createDefinition(String json) throws IOException { |
| return JSONUtils.INSTANCE.load(json, ProfileConfig.class); |
| } |
| } |