| /** |
| * 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.parsers; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| |
| import com.google.common.collect.MapDifference; |
| import com.google.common.collect.Maps; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import org.apache.metron.parsers.interfaces.MessageParserResult; |
| import org.json.simple.JSONObject; |
| import org.json.simple.parser.JSONParser; |
| import org.json.simple.parser.ParseException; |
| import org.junit.jupiter.api.Test; |
| |
| public abstract class GrokParserTest { |
| |
| @Test |
| public void test() throws ParseException { |
| |
| Map<String, Object> parserConfig = new HashMap<>(); |
| parserConfig.put("grokPath", getGrokPath()); |
| parserConfig.put("patternLabel", getGrokPatternLabel()); |
| parserConfig.put("timestampField", getTimestampField()); |
| parserConfig.put("dateFormat", getDateFormat()); |
| parserConfig.put("timeFields", getTimeFields()); |
| |
| GrokParser grokParser = new GrokParser(); |
| grokParser.configure(parserConfig); |
| grokParser.init(); |
| |
| JSONParser jsonParser = new JSONParser(); |
| Map<String,String> testData = getTestData(); |
| for( Map.Entry<String,String> e : testData.entrySet() ){ |
| |
| JSONObject expected = (JSONObject) jsonParser.parse(e.getValue()); |
| byte[] rawMessage = e.getKey().getBytes(StandardCharsets.UTF_8); |
| Optional<MessageParserResult<JSONObject>> resultOptional = grokParser.parseOptionalResult(rawMessage); |
| assertNotNull(resultOptional); |
| assertTrue(resultOptional.isPresent()); |
| List<JSONObject> parsedList = resultOptional.get().getMessages(); |
| assertEquals(1, parsedList.size()); |
| compare(expected, parsedList.get(0)); |
| } |
| |
| } |
| |
| public boolean compare(JSONObject expected, JSONObject actual) { |
| MapDifference mapDifferences = Maps.difference(expected, actual); |
| if (mapDifferences.entriesOnlyOnLeft().size() > 0) { |
| fail("Expected JSON has extra parameters: " + mapDifferences.entriesOnlyOnLeft()); |
| } |
| if (mapDifferences.entriesOnlyOnRight().size() > 0) { |
| fail("Actual JSON has extra parameters: " + mapDifferences.entriesOnlyOnRight()); |
| } |
| Map actualDifferences = new HashMap(); |
| if (mapDifferences.entriesDiffering().size() > 0) { |
| Map differences = Collections.unmodifiableMap(mapDifferences.entriesDiffering()); |
| for (Object key : differences.keySet()) { |
| Object expectedValueObject = expected.get(key); |
| Object actualValueObject = actual.get(key); |
| if (expectedValueObject instanceof Long || expectedValueObject instanceof Integer) { |
| Long expectedValue = Long.parseLong(expectedValueObject.toString()); |
| Long actualValue = Long.parseLong(actualValueObject.toString()); |
| if (!expectedValue.equals(actualValue)) { |
| actualDifferences.put(key, differences.get(key)); |
| } |
| } else { |
| actualDifferences.put(key, differences.get(key)); |
| } |
| } |
| } |
| if (actualDifferences.size() > 0) { |
| fail("Expected and Actual JSON values don't match: " + actualDifferences); |
| } |
| return true; |
| } |
| |
| public abstract Map getTestData(); |
| public abstract String getGrokPath(); |
| public abstract String getGrokPatternLabel(); |
| public abstract List<String> getTimeFields(); |
| public abstract String getDateFormat(); |
| public abstract String getTimestampField(); |
| public abstract String getMultiLine(); |
| } |