| /** |
| * 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.common.field.transformation; |
| |
| import com.google.common.collect.Iterables; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.metron.common.configuration.FieldTransformer; |
| import org.apache.metron.common.configuration.SensorParserConfig; |
| import org.apache.metron.stellar.dsl.Context; |
| import org.json.simple.JSONObject; |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.HashMap; |
| |
| import static org.junit.jupiter.api.Assertions.*; |
| |
| public class SelectTransformationTest { |
| |
| public static String selectSingleFieldConfig = "{ \"fieldTransformations\" : [{\"output\": [\"field1\"] , \"transformation\": \"SELECT\" } ] }"; |
| |
| public static String selectMultiFieldConfig = "{ \"fieldTransformations\" : [{\"output\": [\"field1\", \"field2\"] , \"transformation\": \"SELECT\" } ] }"; |
| |
| @Test |
| public void testSingleFieldReturned() throws Exception { |
| SensorParserConfig sensorConfig = SensorParserConfig.fromBytes(Bytes.toBytes(selectSingleFieldConfig)); |
| FieldTransformer handler = Iterables.getFirst(sensorConfig.getFieldTransformations(), null); |
| JSONObject input = new JSONObject(new HashMap<String, Object>() { |
| { |
| put("field1", "foo"); |
| put("field2", "bar"); |
| } |
| }); |
| handler.transformAndUpdate(input, Context.EMPTY_CONTEXT()); |
| |
| assertTrue(input.containsKey("field1")); |
| assertFalse(input.containsKey("field2")); |
| assertEquals(1, input.size()); |
| } |
| |
| @Test |
| public void testMulitpleFieldReturned() throws Exception { |
| SensorParserConfig sensorConfig = SensorParserConfig.fromBytes(Bytes.toBytes(selectMultiFieldConfig)); |
| FieldTransformer handler = Iterables.getFirst(sensorConfig.getFieldTransformations(), null); |
| JSONObject input = new JSONObject(new HashMap<String, Object>() { |
| { |
| put("field1", "foo"); |
| put("field2", "bar"); |
| put("field3", "bar2"); |
| } |
| }); |
| handler.transformAndUpdate(input, Context.EMPTY_CONTEXT()); |
| |
| assertTrue(input.containsKey("field1")); |
| assertTrue(input.containsKey("field2")); |
| assertFalse(input.containsKey("field3")); |
| assertEquals(2, input.size()); |
| } |
| |
| @Test |
| public void testPreserveSystemFields() throws Exception { |
| SensorParserConfig sensorConfig = SensorParserConfig.fromBytes(Bytes.toBytes(selectSingleFieldConfig)); |
| FieldTransformer handler = Iterables.getFirst(sensorConfig.getFieldTransformations(), null); |
| JSONObject input = new JSONObject(new HashMap<String, Object>() { |
| { |
| put("timestamp", 12345); |
| put("original_string", "foo,bar"); |
| put("source.type", "test"); |
| put("field1", "foo"); |
| put("field2", "bar"); |
| } |
| }); |
| handler.transformAndUpdate(input, Context.EMPTY_CONTEXT()); |
| |
| assertTrue(input.containsKey("timestamp")); |
| assertTrue(input.containsKey("original_string")); |
| assertTrue(input.containsKey("source.type")); |
| assertTrue(input.containsKey("field1")); |
| assertFalse(input.containsKey("field2")); |
| assertEquals(4, input.size()); |
| } |
| |
| } |