| /** |
| * 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.adrianwalker.multilinestring.Multiline; |
| 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.Assert; |
| import org.junit.Test; |
| |
| import java.util.HashMap; |
| |
| public class RegexSelectTransformationTest { |
| /** |
| { |
| "fieldTransformations" : [ |
| { |
| "input" : "in_field" |
| , "output" : "out_field" |
| , "transformation" : "REGEX_SELECT" |
| , "config" : { |
| "option_1" : ".*foo.*", |
| "option_2" : [ ".*metron.*", ".*mortron.*" ] |
| } |
| } |
| ] |
| } |
| */ |
| @Multiline |
| public static String routeSingleInSingleOut; |
| |
| private String transform(String in, String config) throws Exception { |
| SensorParserConfig c = SensorParserConfig.fromBytes(Bytes.toBytes(config)); |
| FieldTransformer handler = Iterables.getFirst(c.getFieldTransformations(), null); |
| JSONObject input = new JSONObject(new HashMap<String, Object>() {{ |
| put("in_field", in); |
| put("dummy_field", "dummy"); //this is added to ensure that it looks like something approaching a real message |
| }}); |
| handler.transformAndUpdate(input, Context.EMPTY_CONTEXT()); |
| return (String) input.get("out_field"); |
| } |
| |
| @Test |
| public void smoketest() throws Exception{ |
| Assert.assertEquals("option_1", transform("foo", routeSingleInSingleOut)); |
| Assert.assertNull(transform("bar", routeSingleInSingleOut)); |
| } |
| |
| @Test |
| public void testListOfRegexes() throws Exception { |
| Assert.assertEquals("option_2", transform("I am mortron", routeSingleInSingleOut)); |
| Assert.assertEquals("option_2", transform("metron is for smelling", routeSingleInSingleOut)); |
| } |
| @Test |
| public void testPrecedence() throws Exception { |
| Assert.assertEquals("option_1", transform("metron is for foorensic cybersecurity", routeSingleInSingleOut)); |
| } |
| |
| /** |
| { |
| "fieldTransformations" : [ |
| { |
| "output" : "out_field" |
| , "transformation" : "REGEX_SELECT" |
| , "config" : { |
| "option_1" : ".*foo.*", |
| "option_2" : [ ".*metron.*", ".*mortron.*" ] |
| } |
| } |
| ] |
| } |
| */ |
| @Multiline |
| public static String routeMissingInput; |
| |
| @Test |
| public void testMissingInput() throws Exception { |
| Assert.assertNull(transform("metron", routeMissingInput)); |
| } |
| |
| /** |
| { |
| "fieldTransformations" : [ |
| { |
| "input" : "in_field" |
| , "transformation" : "REGEX_SELECT" |
| , "config" : { |
| "option_1" : ".*foo.*", |
| "option_2" : [ ".*metron.*", ".*mortron.*" ] |
| } |
| } |
| ] |
| } |
| */ |
| @Multiline |
| public static String routeMissingOutput; |
| |
| @Test |
| public void testMissingOutput() throws Exception { |
| Assert.assertNull(transform("metron", routeMissingOutput)); |
| } |
| |
| /** |
| { |
| "fieldTransformations" : [ |
| { |
| "input" : "in_field" |
| ,"output" : [ "out_field", "baz_field" ] |
| , "transformation" : "REGEX_SELECT" |
| , "config" : { |
| "option_1" : ".*foo.*", |
| "option_2" : [ ".*metron.*", ".*mortron.*" ] |
| } |
| } |
| ] |
| } |
| */ |
| @Multiline |
| public static String routeMultiOutput; |
| |
| @Test |
| public void testMultiOutput() throws Exception{ |
| Assert.assertEquals("option_1", transform("foo", routeMultiOutput)); |
| Assert.assertNull(transform("bar", routeMultiOutput)); |
| } |
| |
| /** |
| { |
| "fieldTransformations" : [ |
| { |
| "input" : "in_field" |
| ,"output" : "out_field" |
| , "transformation" : "REGEX_SELECT" |
| , "config" : { |
| "option_1" : "[a-z", |
| "option_2" : [ ".*metron.*", ".*mortron.*" ] |
| } |
| } |
| ] |
| } |
| */ |
| @Multiline |
| public static String routeBadRegex; |
| |
| @Test |
| public void testBadRegex() throws Exception{ |
| Assert.assertEquals("option_2", transform("metron", routeBadRegex)); |
| } |
| } |