org.apache.servicecomb.loadbalance.filter.TestInstancePropertyDiscoveryFilter.java Source code

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Here is the source code for org.apache.servicecomb.loadbalance.filter.TestInstancePropertyDiscoveryFilter.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.loadbalance.filter;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.configuration.AbstractConfiguration;
import org.apache.commons.configuration.BaseConfiguration;
import org.apache.servicecomb.core.Invocation;
import org.apache.servicecomb.serviceregistry.api.registry.MicroserviceInstance;
import org.apache.servicecomb.serviceregistry.discovery.DiscoveryContext;
import org.apache.servicecomb.serviceregistry.discovery.DiscoveryTreeNode;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import mockit.Expectations;
import mockit.Injectable;

public class TestInstancePropertyDiscoveryFilter {

    private InstancePropertyDiscoveryFilter filter;

    MicroserviceInstance instance = new MicroserviceInstance();

    @BeforeClass
    public static void beforeCls() {
        AbstractConfiguration configuration = new BaseConfiguration();
        configuration.addProperty("servicecomb.loadbalance.test.flowsplitFilter.policy",
                "org.apache.servicecomb.loadbalance.filter.SimpleFlowsplitFilter");
        configuration.addProperty("servicecomb.loadbalance.test.flowsplitFilter.options.tag0", "value0");
    }

    @Before
    public void setUp() {
        filter = new InstancePropertyDiscoveryFilter();
        Map<String, String> properties = new HashMap<>();
        properties.put("tag0", "value0");
        properties.put("tag1", "value1");
        instance.setInstanceId("instance111");
        instance.setProperties(properties);
    }

    @Test
    public void testAllowVisit() {
        Map<String, String> filterOptions = new HashMap<>();
        Assert.assertTrue(filter.allowVisit(instance, filterOptions));

        filterOptions.put("tag0", "value0");
        Assert.assertTrue(filter.allowVisit(instance, filterOptions));

        filterOptions.put("tag2", "value2");
        Assert.assertFalse(filter.allowVisit(instance, filterOptions));

        filterOptions.clear();
        filterOptions.put("tag0", "value1");
        Assert.assertFalse(filter.allowVisit(instance, filterOptions));
    }

    @Test
    @SuppressWarnings("unchecked")
    public void testGetFilteredListOfServers(@Injectable DiscoveryContext context,
            @Injectable DiscoveryTreeNode parent, @Injectable Invocation invocation) {
        Map<String, MicroserviceInstance> instances = new HashMap<>();
        instances.put(instance.getInstanceId(), instance);
        new Expectations() {
            {
                context.getInputParameters();
                result = invocation;
                parent.data();
                result = instances;
                parent.name();
                result = "parent";
            }
        };

        DiscoveryTreeNode node = filter.discovery(context, parent);
        Assert.assertEquals(1, ((Map<String, MicroserviceInstance>) node.data()).keySet().size());
    }
}