| /** |
| * 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.common.Constants.Fields; |
| import org.apache.metron.parsers.BasicParser; |
| import org.apache.metron.test.utils.UnitTestHelper; |
| import org.json.simple.JSONObject; |
| import org.junit.jupiter.api.Test; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.jupiter.api.Assertions.*; |
| |
| public class JSONMapParserQueryTest { |
| |
| /** |
| * { |
| * "foo" : |
| * [ |
| * { "name" : "foo1", "value" : "bar", "number" : 1.0 }, |
| * { "name" : "foo2", "value" : "baz", "number" : 2.0 } |
| * ] |
| * } |
| */ |
| @Multiline |
| static String JSON_LIST; |
| |
| /** |
| * { "name" : "foo1", "value" : "bar", "number" : 1.0 } |
| */ |
| @Multiline |
| static String JSON_SINGLE; |
| |
| /** |
| * { "name" : "foo2", "value" : "baz", "number" : 2.0 } |
| */ |
| @Multiline |
| static String JSON_SINGLE2; |
| |
| @Test |
| public void testHappyPath() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(new HashMap<String, Object>() {{ |
| put(JSONMapParser.JSONP_QUERY, "$.foo"); |
| }}); |
| List<JSONObject> output = parser.parse(JSON_LIST.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(2, output.size()); |
| JSONObject message = output.get(0); |
| // account for timestamp field in the size |
| assertEquals(4, message.size()); |
| assertEquals("foo1", message.get("name")); |
| assertEquals("bar", message.get("value")); |
| assertEquals(1.0, message.get("number")); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| assertNotNull(message.get("number")); |
| assertTrue(message.get("number") instanceof Number); |
| assertThat("original_string should be handled external to the parser by default", |
| message.containsKey(Fields.ORIGINAL.getName()), equalTo(false)); |
| |
| message = output.get(1); |
| // account for timestamp field in the size |
| assertEquals(4, message.size()); |
| assertEquals("foo2", message.get("name")); |
| assertEquals("baz", message.get("value")); |
| assertEquals(2.0, message.get("number")); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| assertNotNull(message.get("number")); |
| assertTrue(message.get("number") instanceof Number); |
| assertThat("original_string should be handled external to the parser by default", |
| message.containsKey(Fields.ORIGINAL.getName()), equalTo(false)); |
| } |
| |
| @Test |
| public void testOriginalStringHandledByParser() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(new HashMap<String, Object>() {{ |
| put(JSONMapParser.JSONP_QUERY, "$.foo"); |
| put(JSONMapParser.OVERRIDE_ORIGINAL_STRING, true); |
| }}); |
| List<JSONObject> output = parser.parse(JSON_LIST.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(2, output.size()); |
| |
| JSONObject message = output.get(0); |
| // account for timestamp field in the size |
| assertEquals(5, message.size()); |
| assertEquals("foo1", message.get("name")); |
| assertEquals("bar", message.get("value")); |
| assertEquals(1.0, message.get("number")); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| assertNotNull(message.get("number")); |
| assertTrue(message.get("number") instanceof Number); |
| assertThat("original_string should have been handled by the parser", |
| message.get(Fields.ORIGINAL.getName()), equalTo("{\"name\":\"foo1\",\"number\":1.0,\"value\":\"bar\"}")); |
| |
| message = output.get(1); |
| // account for timestamp field in the size |
| assertEquals(5, message.size()); |
| assertEquals("foo2", message.get("name")); |
| assertEquals("baz", message.get("value")); |
| assertEquals(2.0, message.get("number")); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| assertNotNull(message.get("number")); |
| assertTrue(message.get("number") instanceof Number); |
| assertThat("original_string should have been handled by the parser", |
| message.get(Fields.ORIGINAL.getName()), equalTo("{\"name\":\"foo2\",\"number\":2.0,\"value\":\"baz\"}")); |
| } |
| |
| @Test |
| public void testInvalidJSONPathThrows() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(new HashMap<String, Object>() {{ |
| put(JSONMapParser.JSONP_QUERY, "$$..$$SDSE$#$#."); |
| }}); |
| assertThrows(IllegalStateException.class, () -> parser.parse(JSON_LIST.getBytes(StandardCharsets.UTF_8))); |
| } |
| |
| @Test |
| public void testNoMatchesNoExceptions() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(new HashMap<String, Object>() {{ |
| put(JSONMapParser.JSONP_QUERY, "$.foo"); |
| }}); |
| List<JSONObject> output = parser.parse(JSON_SINGLE.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(0, output.size()); |
| } |
| |
| /** |
| * { |
| * "foo" : |
| * [ |
| * { |
| * "collection" : { "blah" : 7, "blah2" : "foo", "bigblah" : { "innerBlah" : "baz", "reallyInnerBlah" : { "color" : "grey" }}} |
| * }, |
| * { |
| * "collection" : { "blah" : 8, "blah2" : "bar", "bigblah" : { "innerBlah" : "baz2", "reallyInnerBlah" : { "color" : "blue" }}} |
| * } |
| * ] |
| * } |
| */ |
| @Multiline |
| static String collectionHandlingJSON; |
| |
| @Test |
| public void testCollectionHandlingDrop() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(new HashMap<String, Object>() {{ |
| put(JSONMapParser.JSONP_QUERY, "$.foo"); |
| }}); |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 2); |
| |
| //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); |
| |
| message = output.get(1); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| |
| @Test |
| public void testCollectionHandlingError() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(ImmutableMap |
| .of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.ERROR.name(), |
| JSONMapParser.JSONP_QUERY, "$.foo")); |
| UnitTestHelper.setLog4jLevel(BasicParser.class, Level.FATAL); |
| assertThrows(IllegalStateException.class, () -> parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8))); |
| UnitTestHelper.setLog4jLevel(BasicParser.class, Level.ERROR); |
| } |
| |
| |
| @Test |
| public void testCollectionHandlingAllow() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(ImmutableMap |
| .of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.ALLOW.name(), |
| JSONMapParser.JSONP_QUERY, "$.foo")); |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 2); |
| assertEquals(output.get(0).size(), 2); |
| JSONObject message = output.get(0); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| |
| assertEquals(output.get(1).size(), 2); |
| message = output.get(1); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| |
| @Test |
| public void testCollectionHandlingUnfold() { |
| JSONMapParser parser = new JSONMapParser(); |
| parser.configure(ImmutableMap |
| .of(JSONMapParser.MAP_STRATEGY_CONFIG, JSONMapParser.MapStrategy.UNFOLD.name(), |
| JSONMapParser.JSONP_QUERY, "$.foo")); |
| List<JSONObject> output = parser.parse(collectionHandlingJSON.getBytes(StandardCharsets.UTF_8)); |
| assertEquals(output.size(), 2); |
| 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); |
| |
| assertEquals(output.get(1).size(), 5); |
| message = output.get(1); |
| assertEquals(message.get("collection.blah"), 8); |
| assertEquals(message.get("collection.blah2"), "bar"); |
| assertEquals(message.get("collection.bigblah.innerBlah"), "baz2"); |
| assertEquals(message.get("collection.bigblah.reallyInnerBlah.color"), "blue"); |
| assertNotNull(message.get("timestamp")); |
| assertTrue(message.get("timestamp") instanceof Number); |
| } |
| } |