| /* |
| * 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.nifi.graph; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.nifi.util.NoOpProcessor; |
| import org.apache.nifi.util.TestRunner; |
| import org.apache.nifi.util.TestRunners; |
| import org.junit.jupiter.api.AfterEach; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| import org.testcontainers.junit.jupiter.Testcontainers; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| /* |
| * Note: this integration test does not work out of the box |
| * because nifi needs to understand/load specific serializers |
| * to use when connecting via yaml. If using the yaml in the |
| * resources folder, please update line 54 with the path to a jar |
| * That contains org.apache.tinkerpop.gremlin.util.ser.GraphBinaryMessageSerializerV1 |
| * gremlin-util generally has this available |
| */ |
| @Testcontainers |
| public class GremlinClientServiceYamlSettingsAndBytecodeIT { |
| private TestRunner runner; |
| private TestableGremlinClientService clientService; |
| |
| @BeforeEach |
| public void setup() throws Exception { |
| |
| String remoteYamlFile = "src/test/resources/gremlin.yml"; |
| String customJarFile = "src/test/resources/gremlin-util-3.7.0.jar"; |
| clientService = new TestableGremlinClientService(); |
| runner = TestRunners.newTestRunner(NoOpProcessor.class); |
| runner.addControllerService("gremlinService", clientService); |
| runner.setProperty(clientService, TinkerpopClientService.CONNECTION_SETTINGS, "yaml-settings"); |
| runner.setProperty(clientService, TinkerpopClientService.SUBMISSION_TYPE, "bytecode-submission"); |
| runner.setProperty(clientService, TinkerpopClientService.REMOTE_OBJECTS_FILE, remoteYamlFile); |
| runner.setProperty(clientService, TinkerpopClientService.EXTRA_RESOURCE, customJarFile); |
| /*Note: This does not seem to have much of an effect. As long as EXTRA_RESOURCE has the |
| classes of interest, both the gremlin driver and ExecuteGraphQueryRecord will properly execute. |
| However, something like this will be needed if we ever move away from groovy. |
| */ |
| // runner.setProperty(clientService, TinkerpopClientService.EXTENSION_CLASSES, "org.apache.tinkerpop.gremlin.util.ser.GraphBinaryMessageSerializerV1"); |
| runner.enableControllerService(clientService); |
| runner.assertValid(); |
| |
| String teardown = IOUtils.toString(getClass().getResourceAsStream("/teardown.gremlin"), "UTF-8"); |
| clientService.getCluster().connect().submit(teardown); |
| String setup = IOUtils.toString(getClass().getResourceAsStream("/setup.gremlin"), "UTF-8"); |
| clientService.getCluster().connect().submit(setup); |
| |
| } |
| |
| @AfterEach |
| public void tearDown() throws Exception { |
| String teardown = IOUtils.toString(getClass().getResourceAsStream("/teardown.gremlin"), "UTF-8"); |
| clientService.getCluster().connect().submit(teardown); |
| } |
| |
| @Test |
| public void testValueMap() { |
| String gremlin = "[result: g.V().hasLabel('dog').valueMap().collect()]"; |
| AtomicInteger integer = new AtomicInteger(); |
| Map<String, String> result = clientService.executeQuery(gremlin, new HashMap<>(), (record, isMore) -> { |
| Assertions.assertTrue(record.containsKey("result")); |
| Assertions.assertTrue(record.get("result") instanceof List); |
| ((List) record.get("result")).forEach(it -> { |
| integer.incrementAndGet(); |
| }); |
| }); |
| } |
| |
| @Test |
| public void testCount() { |
| String gremlin = "[result: g.V().hasLabel('dog').count().next()]"; |
| AtomicLong dogCount = new AtomicLong(); |
| Map<String, String> result = clientService.executeQuery(gremlin, new HashMap<>(), (record, isMore) -> { |
| Assertions.assertTrue(record.containsKey("result")); |
| dogCount.set((Long) record.get("result")); |
| }); |
| assertEquals(2, dogCount.get()); |
| } |
| |
| @Test |
| public void testSubGraph() { |
| String gremlin = "[dogInE: g.V().hasLabel('dog').inE().count().next(), dogOutE: g.V().hasLabel('dog').outE().count().next(), " + |
| "dogProps: g.V().hasLabel('dog').valueMap().collect()]"; |
| List<Map<String, Object>> recordSet = new ArrayList<>(); |
| Map<String, String> result = clientService.executeQuery(gremlin, new HashMap<>(), (record, isMore) -> { |
| recordSet.add(record); |
| }); |
| Assertions.assertEquals(3, recordSet.size()); |
| List<Map<String, Object>> dogInE = recordSet.stream().filter(it -> it.containsKey("dogInE")).toList(); |
| List<Map<String, Object>> dogOutE = recordSet.stream().filter(it -> it.containsKey("dogOutE")).toList(); |
| List<Map<String, Object>> dogProps = recordSet.stream().filter(it -> it.containsKey("dogProps")).toList(); |
| |
| Assertions.assertFalse(dogInE.isEmpty()); |
| Assertions.assertFalse(dogOutE.isEmpty()); |
| Assertions.assertFalse(dogProps.isEmpty()); |
| |
| Assertions.assertEquals(2, (Long) dogOutE.get(0).get("dogOutE")); |
| Assertions.assertEquals(4, (Long) dogInE.get(0).get("dogInE")); |
| Assertions.assertTrue(dogProps.get(0).get("dogProps") instanceof List); |
| Map<String, Object> dogPropsMap = (Map) ((List<?>) dogProps.get(0).get("dogProps")).get(0); |
| Assertions.assertTrue(dogPropsMap.containsKey("name")); |
| Assertions.assertTrue(dogPropsMap.containsKey("age")); |
| } |
| } |