org.apache.servicecomb.config.archaius.sources.TestConfigCenterConfigurationSource.java Source code

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Here is the source code for org.apache.servicecomb.config.archaius.sources.TestConfigCenterConfigurationSource.java

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/*
 * 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.servicecomb.config.archaius.sources;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.commons.lang.reflect.FieldUtils;
import org.apache.servicecomb.config.archaius.sources.ConfigCenterConfigurationSourceImpl.UpdateHandler;
import org.apache.servicecomb.config.client.ConfigCenterClient;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;

import com.netflix.config.WatchedUpdateListener;
import com.netflix.config.WatchedUpdateResult;

import mockit.Deencapsulation;
import mockit.Mock;
import mockit.MockUp;

/**
 * Created by on 2017/1/12.
 */
public class TestConfigCenterConfigurationSource {
    @Test
    public void testCreate() throws Exception {

        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();
        configCenterSource.addUpdateListener(new WatchedUpdateListener() {
            @Override
            public void updateConfiguration(WatchedUpdateResult result) {
                Assert.assertTrue(!result.getAdded().isEmpty());
            }
        });
        UpdateHandler udateHandler = Deencapsulation.getField(configCenterSource, UpdateHandler.class);
        Map<String, Object> addedItems = new HashMap<>();
        addedItems.put("testKey", "testValue");
        udateHandler.handle("create", addedItems);
    }

    @Test
    public void testUpdate() throws Exception {

        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();
        configCenterSource.addUpdateListener(new WatchedUpdateListener() {
            @Override
            public void updateConfiguration(WatchedUpdateResult result) {
                Assert.assertTrue(!result.getChanged().isEmpty());
            }
        });
        UpdateHandler udateHandler = Deencapsulation.getField(configCenterSource, UpdateHandler.class);
        Map<String, Object> addedItems = new HashMap<>();
        addedItems.put("testKey", "testValue");
        udateHandler.handle("set", addedItems);
    }

    @Test
    public void testDelete() throws Exception {
        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();
        configCenterSource.addUpdateListener(new WatchedUpdateListener() {
            @Override
            public void updateConfiguration(WatchedUpdateResult result) {
                Assert.assertTrue(!result.getDeleted().isEmpty());
            }
        });
        UpdateHandler udateHandler = Deencapsulation.getField(configCenterSource, UpdateHandler.class);
        Map<String, Object> addedItems = new HashMap<>();
        addedItems.put("testKey", "testValue");

        configCenterSource.getCurrentData().put("testKey", "testValue");
        udateHandler.handle("delete", addedItems);
        Assert.assertTrue(configCenterSource.getCurrentData().isEmpty());
    }

    @Test
    public void testRemoveUpdateListener() {
        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();
        WatchedUpdateListener watchedUpdateListener = Mockito.mock(WatchedUpdateListener.class);
        configCenterSource.addUpdateListener(watchedUpdateListener);
        configCenterSource.removeUpdateListener(watchedUpdateListener);
        Assert.assertTrue(configCenterSource.getCurrentListeners().isEmpty());
    }

    @Test
    public void destroy_notInit() {
        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();

        // need not throw exception
        configCenterSource.destroy();
    }

    @Test
    public void destroy_inited() throws IllegalAccessException {
        AtomicInteger count = new AtomicInteger();
        ConfigCenterClient configCenterClient = new MockUp<ConfigCenterClient>() {
            @Mock
            void destroy() {
                count.incrementAndGet();
            }
        }.getMockInstance();
        ConfigCenterConfigurationSourceImpl configCenterSource = new ConfigCenterConfigurationSourceImpl();
        FieldUtils.writeDeclaredField(configCenterSource, "configCenterClient", configCenterClient, true);

        configCenterSource.destroy();

        Assert.assertEquals(1, count.get());
    }
}