| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * Licensed 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.opencord.kafka.impl; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.junit.jupiter.api.AfterEach; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| import org.onosproject.cluster.ClusterServiceAdapter; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreServiceAdapter; |
| import org.onosproject.net.config.Config; |
| import org.onosproject.net.config.ConfigApplyDelegate; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistryAdapter; |
| |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * set of unit test to verify KafkaIntegration. |
| */ |
| class KafkaIntegrationTest { |
| private static final String ASSERT_MESSAGE = "Config not updated"; |
| private static final String BOOTSTRAP_SERVERS = "localhost:9092"; |
| protected NetworkConfigListener configListener; |
| protected ConfigApplyDelegate delegate; |
| protected ObjectMapper mapper; |
| protected ApplicationId subject; |
| protected NetworkConfigEvent event; |
| private KafkaConfig config = new KafkaConfig(); |
| private KafkaIntegration kafkaIntegration; |
| |
| @BeforeEach |
| public void setUp() throws Exception { |
| kafkaIntegration = new KafkaIntegration(); |
| kafkaIntegration.coreService = new MockCoreService(); |
| kafkaIntegration.clusterService = new ClusterServiceAdapter(); |
| setupConfig("/localKafkaConfig.json"); |
| kafkaIntegration.activate(); |
| } |
| |
| @AfterEach |
| public void tearDown() { |
| kafkaIntegration.deactivate(); |
| kafkaIntegration = null; |
| } |
| |
| /** |
| * Local configuration verification using Resources file. |
| */ |
| @Test |
| void testConfigAdded() { |
| event = new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, subject, |
| config, null, KafkaConfig.class); |
| configListener.event(event); |
| KafkaConfig expectedConfig = kafkaIntegration.configRegistry |
| .getConfig(kafkaIntegration.coreService.getAppId(KafkaIntegration.APP_NAME), |
| KafkaConfig.class); |
| assertEquals(ASSERT_MESSAGE, BOOTSTRAP_SERVERS, expectedConfig.getBootstrapServers()); |
| } |
| |
| public void setupConfig(String localConfig) throws Exception { |
| delegate = new MockConfigDelegate(); |
| mapper = new ObjectMapper(); |
| subject = kafkaIntegration.coreService.registerApplication(KafkaIntegration.APP_NAME); |
| config.init(subject, "kafka-local-mode-test", node(localConfig), mapper, delegate); |
| kafkaIntegration.configRegistry = new MockNetworkConfigRegistry(subject, config); |
| } |
| |
| protected JsonNode node(String jsonFile) throws Exception { |
| final InputStream jsonStream = KafkaConfig.class.getResourceAsStream(jsonFile); |
| return mapper.readTree(jsonStream); |
| } |
| |
| /** |
| * Mocks an ONOS configuration delegate to allow JSON based configuration to |
| * be tested. |
| */ |
| private static final class MockConfigDelegate implements ConfigApplyDelegate { |
| @Override |
| public void onApply(@SuppressWarnings({"rawtypes", "TypeParameterUnusedInFormals"}) Config config) { |
| config.apply(); |
| } |
| } |
| |
| /** |
| * Mocks Core service adapter. |
| */ |
| private static class MockCoreService extends CoreServiceAdapter { |
| |
| private List<ApplicationId> idList = new ArrayList<>(); |
| private Map<String, ApplicationId> idMap = new HashMap<>(); |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.onosproject.core.CoreServiceAdapter#getAppId(java.lang.Short) |
| */ |
| @Override |
| public ApplicationId getAppId(Short id) { |
| if (id >= idList.size()) { |
| return null; |
| } |
| return idList.get(id); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.onosproject.core.CoreServiceAdapter#getAppId(java.lang.String) |
| */ |
| @Override |
| public ApplicationId getAppId(String name) { |
| return idMap.get(name); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.onosproject.core.CoreServiceAdapter#registerApplication(java.lang |
| * .String) |
| */ |
| @Override |
| public ApplicationId registerApplication(String name) { |
| ApplicationId appId = idMap.get(name); |
| if (appId == null) { |
| appId = new MockApplicationId((short) idList.size(), name); |
| idList.add(appId); |
| idMap.put(name, appId); |
| } |
| return appId; |
| } |
| } |
| |
| /* |
| Mocks application id. |
| */ |
| private static class MockApplicationId implements ApplicationId { |
| |
| private final short id; |
| private final String name; |
| |
| public MockApplicationId(short id, String name) { |
| this.id = id; |
| this.name = name; |
| } |
| |
| @Override |
| public short id() { |
| return id; |
| } |
| |
| @Override |
| public String name() { |
| return name; |
| } |
| } |
| |
| |
| /** |
| * Mocks the ONOS network configuration registry so that the application |
| * under test can access a JSON defined configuration. |
| */ |
| private class MockNetworkConfigRegistry<S> extends NetworkConfigRegistryAdapter { |
| private final KafkaConfig config; |
| |
| public MockNetworkConfigRegistry(final S subject, final KafkaConfig config) { |
| this.config = config; |
| } |
| |
| @SuppressWarnings({"unchecked", "TypeParameterUnusedInFormals"}) |
| @Override |
| public <S, C extends Config<S>> C getConfig(final S subject, final Class<C> configClass) { |
| return (C) config; |
| } |
| |
| @Override |
| public void addListener(NetworkConfigListener listener) { |
| configListener = listener; |
| } |
| } |
| } |