| /** |
| * 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.json; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.adrianwalker.multilinestring.Multiline; |
| import org.apache.log4j.Level; |
| import org.apache.metron.parsers.BasicParser; |
| import org.apache.metron.parsers.interfaces.MessageParser; |
| import org.apache.metron.test.utils.UnitTestHelper; |
| import org.json.simple.JSONObject; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.jupiter.api.Assertions.*; |
| |
| public class JSONMapParserTest { |
| |
| private JSONMapParser parser; |
| |
| @BeforeEach |
| public void setup() { |
| parser = new JSONMapParser(); |
| } |
| |
| /** |
| { |
| "foo" : "bar" |
| ,"blah" : "blah" |
| ,"number" : 2.0 |
| } |
| */ |
| @Multiline |
| static String happyPathJSON; |
| |
| @Test |
| public void testHappyPath() { |
| List<JSONObject> output = parser.parse(happyPathJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 1); |
| //don't forget the timestamp field! |
| assertEquals(output.get(0).size(), 4); |
| JSONObject message = output.get(0); |
| assertEquals("bar", message.get("foo")); |
| assertEquals("blah", message.get("blah")); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| assertNotNull(message.get("number")); |
| assertTrue(message.get("number") instanceof Number); |
| } |
| |
| /** |
| { |
| "collection" : { "blah" : 7, "blah2" : "foo", "bigblah" : { "innerBlah" : "baz", "reallyInnerBlah" : { "color" : "grey" }}} |
| } |
| */ |
| @Multiline |
| static String collectionHandlingJSON; |
| |
| /** |
| { |
| "collection" : { |
| "key" : "value" |
| }, |
| "key" : "value" |
| } |
| */ |
| @Multiline |
| static String mixCollectionHandlingJSON; |
| |
| @Test |
| public void testCollectionHandlingDrop() { |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 1); |
| //don't forget the timestamp field! |
| assertEquals(output.get(0).size(), 1); |
| JSONObject message = output.get(0); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| |
| @Test |
| public void testCollectionHandlingError() { |
| parser.configure(ImmutableMap.of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.ERROR.name())); |
| UnitTestHelper.setLog4jLevel(BasicParser.class, Level.FATAL); |
| assertThrows(IllegalStateException.class, () -> parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8))); |
| UnitTestHelper.setLog4jLevel(BasicParser.class, Level.ERROR); |
| } |
| |
| |
| @Test |
| public void testCollectionHandlingAllow() { |
| parser.configure(ImmutableMap.of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.ALLOW.name())); |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 1); |
| //don't forget the timestamp field! |
| assertEquals(output.get(0).size(), 2); |
| JSONObject message = output.get(0); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| |
| @Test |
| public void testCollectionHandlingUnfold() { |
| parser.configure(ImmutableMap.of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.UNFOLD.name())); |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 1); |
| //don't forget the timestamp field! |
| assertEquals(output.get(0).size(), 5); |
| JSONObject message = output.get(0); |
| assertEquals(message.get("collection.blah"), 7); |
| assertEquals(message.get("collection.blah2"), "foo"); |
| assertEquals(message.get("collection.bigblah.innerBlah"),"baz"); |
| assertEquals(message.get("collection.bigblah.reallyInnerBlah.color"),"grey"); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| |
| @Test |
| public void testMixedCollectionHandlingUnfold() { |
| parser.configure(ImmutableMap.of(JSONMapParser.MAP_STRATEGY_CONFIG,JSONMapParser.MapStrategy.UNFOLD.name())); |
| List<JSONObject> output = parser.parse(mixCollectionHandlingJSON.getBytes( |
| StandardCharsets.UTF_8)); |
| assertEquals(output.get(0).size(), 3); |
| JSONObject message = output.get(0); |
| assertEquals(message.get("collection.key"), "value"); |
| assertEquals(message.get("key"),"value"); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number ); |
| } |
| |
| @Test |
| public void getsReadCharsetFromConfig() { |
| Map<String, Object> config = new HashMap<>(); |
| config.put(MessageParser.READ_CHARSET, StandardCharsets.UTF_16.toString()); |
| parser.configure(config); |
| assertThat(parser.getReadCharset(), equalTo(StandardCharsets.UTF_16)); |
| } |
| |
| @Test |
| public void getsReadCharsetFromDefault() { |
| Map<String, Object> config = new HashMap<>(); |
| parser.configure(config); |
| assertThat(parser.getReadCharset(), equalTo(StandardCharsets.UTF_8)); |
| } |
| } |