| /* |
| * 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.dubbo.configcenter.support.nacos; |
| |
| import com.alibaba.nacos.api.NacosFactory; |
| import com.alibaba.nacos.api.config.ConfigService; |
| import com.alibaba.nacos.api.exception.NacosException; |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.configcenter.ConfigChangeEvent; |
| import org.apache.dubbo.configcenter.ConfigurationListener; |
| |
| import org.apache.dubbo.configcenter.DynamicConfiguration; |
| import org.junit.jupiter.api.AfterAll; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Disabled; |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| |
| |
| /** |
| * Unit test for nacos config center support |
| */ |
| //FIXME: waiting for embedded Nacos suport, then we can open the switch. |
| @Disabled("https://github.com/alibaba/nacos/issues/1188") |
| public class NacosDynamicConfigurationTest { |
| private static final String SESSION_TIMEOUT_KEY = "session"; |
| |
| private static NacosDynamicConfiguration config; |
| |
| /** |
| * A test client to put data to Nacos server for testing purpose |
| */ |
| private static ConfigService nacosClient; |
| |
| @Test |
| public void testGetConfig() throws Exception { |
| put("org.apache.dubbo.nacos.testService.configurators", "hello"); |
| Thread.sleep(200); |
| put("dubbo.properties", "test", "aaa=bbb"); |
| Thread.sleep(200); |
| put("xxxx:org.apache.dubbo.demo.DemoService:1.0.0.test.configurators", "helloworld"); |
| Thread.sleep(200); |
| Assertions.assertEquals("hello", config.getConfig("org.apache.dubbo.nacos.testService.configurators")); |
| Assertions.assertEquals("aaa=bbb", config.getConfig("dubbo.properties", "test")); |
| Assertions.assertEquals("helloworld", config.getConfig("xxxx*org.apache.dubbo.demo.DemoService:1.0.0.test.configurators")); |
| } |
| |
| @Test |
| public void testAddListener() throws Exception { |
| CountDownLatch latch = new CountDownLatch(4); |
| TestListener listener1 = new TestListener(latch); |
| TestListener listener2 = new TestListener(latch); |
| TestListener listener3 = new TestListener(latch); |
| TestListener listener4 = new TestListener(latch); |
| |
| |
| config.addListener("AService.configurators", listener1); |
| config.addListener("AService.configurators", listener2); |
| config.addListener("testapp.tagrouters", listener3); |
| config.addListener("testapp.tagrouters", listener4); |
| |
| put("AService.configurators", "new value1"); |
| Thread.sleep(200); |
| put("testapp.tagrouters", "new value2"); |
| Thread.sleep(200); |
| put("testapp", "new value3"); |
| Thread.sleep(5000); |
| |
| latch.await(); |
| |
| Assertions.assertEquals(1, listener1.getCount("AService.configurators")); |
| Assertions.assertEquals(1, listener2.getCount("AService.configurators")); |
| Assertions.assertEquals(1, listener3.getCount("testapp.tagrouters")); |
| Assertions.assertEquals(1, listener4.getCount("testapp.tagrouters")); |
| |
| Assertions.assertEquals("new value1", listener1.getValue()); |
| Assertions.assertEquals("new value1", listener2.getValue()); |
| Assertions.assertEquals("new value2", listener3.getValue()); |
| Assertions.assertEquals("new value2", listener4.getValue()); |
| |
| } |
| |
| private void put(String key, String value) { |
| put(key, DynamicConfiguration.DEFAULT_GROUP, value); |
| } |
| |
| private void put(String key, String group, String value) { |
| try { |
| nacosClient.publishConfig(key, group, value); |
| } catch (Exception e) { |
| System.out.println("Error put value to nacos."); |
| } |
| } |
| |
| @BeforeAll |
| public static void setUp() { |
| String urlForDubbo = "nacos://" + "127.0.0.1:8848" + "/org.apache.dubbo.nacos.testService"; |
| // timeout in 15 seconds. |
| URL url = URL.valueOf(urlForDubbo) |
| .addParameter(SESSION_TIMEOUT_KEY, 15000); |
| config = new NacosDynamicConfiguration(url); |
| |
| |
| try { |
| nacosClient = NacosFactory.createConfigService("127.0.0.1:8848"); |
| } catch (NacosException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @AfterAll |
| public static void tearDown() { |
| |
| } |
| |
| private class TestListener implements ConfigurationListener { |
| private CountDownLatch latch; |
| private String value; |
| private Map<String, Integer> countMap = new HashMap<>(); |
| |
| public TestListener(CountDownLatch latch) { |
| this.latch = latch; |
| } |
| |
| @Override |
| public void process(ConfigChangeEvent event) { |
| System.out.println(this + ": " + event); |
| Integer count = countMap.computeIfAbsent(event.getKey(), k -> 0); |
| countMap.put(event.getKey(), ++count); |
| value = event.getValue(); |
| latch.countDown(); |
| } |
| |
| public int getCount(String key) { |
| return countMap.get(key); |
| } |
| |
| public String getValue() { |
| return value; |
| } |
| } |
| |
| } |