org.springframework.cloud.consul.discovery.ConsulDiscoveryClientCustomizedTests.java Source code

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Here is the source code for org.springframework.cloud.consul.discovery.ConsulDiscoveryClientCustomizedTests.java

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/*
 * Copyright 2013-2015 the original author or authors.
 *
 * 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.springframework.cloud.consul.discovery;

import java.util.List;
import java.util.Map;

import org.apache.http.conn.util.InetAddressUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.consul.ConsulAutoConfiguration;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.test.context.junit4.SpringRunner;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;

/**
 * @author Spencer Gibb
 */
@RunWith(SpringRunner.class)
@SpringBootTest(classes = ConsulDiscoveryClientCustomizedTests.MyTestConfig.class, properties = {
        "spring.application.name=testConsulDiscovery2",
        "spring.cloud.consul.discovery.instanceId=testConsulDiscovery2Id",
        "spring.cloud.consul.discovery.hostname=testConsulDiscovery2Host",
        "spring.cloud.consul.discovery.tags=plaintag,foo=bar,foo2=bar2=baz2" }, webEnvironment = RANDOM_PORT)
public class ConsulDiscoveryClientCustomizedTests {

    @Autowired
    private ConsulDiscoveryClient discoveryClient;

    @Test
    public void getInstancesForServiceWorks() {
        List<ServiceInstance> instances = discoveryClient.getInstances("consul");
        assertNotNull("instances was null", instances);
        assertFalse("instances was empty", instances.isEmpty());
    }

    private void assertNotIpAddress(ServiceInstance instance) {
        assertFalse("host is an ip address", InetAddressUtils.isIPv4Address(instance.getHost()));
    }

    @Test
    public void getMetadataWorks() throws InterruptedException {
        List<ServiceInstance> instances = discoveryClient.getInstances("testConsulDiscovery2");
        assertNotNull("instances was null", instances);
        assertFalse("instances was empty", instances.isEmpty());

        ServiceInstance instance = instances.get(0);
        assertInstance(instance);
    }

    private void assertInstance(ServiceInstance instance) {
        Map<String, String> metadata = instance.getMetadata();
        assertNotNull("metadata was null", metadata);

        String foo = metadata.get("foo");
        assertEquals("metadata key foo was wrong", "bar", foo);

        String plaintag = metadata.get("plaintag");
        assertEquals("metadata key plaintag was wrong", "plaintag", plaintag);

        String foo2 = metadata.get("foo2");
        assertEquals("metadata key foo2 was wrong", "bar2=baz2", foo2);
    }

    @Test
    public void getLocalInstance() {
        ServiceInstance instance = discoveryClient.getLocalServiceInstance();
        assertNotNull("instance was null", instance);
        assertNotIpAddress(instance);
        assertEquals("instance id was wrong", "testConsulDiscovery2Id", instance.getServiceId());
        assertInstance(instance);
    }

    @Configuration
    @EnableDiscoveryClient
    @EnableAutoConfiguration
    @Import({ ConsulAutoConfiguration.class, ConsulDiscoveryClientConfiguration.class })
    public static class MyTestConfig {

    }
}