Fishtail
2 months ago
committed by
Haotian Zhang
parent
f6efae9282
commit
f1c0511eb3
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 Tencent. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.loadbalancer;
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import com.tencent.polaris.api.config.consumer.LoadBalanceConfig;
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import com.tencent.polaris.api.rpc.Criteria;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import com.tencent.polaris.router.api.rpc.ProcessLoadBalanceRequest;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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/**
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* Polaris Least Connection LoadBalancer.
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*
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* @author Yuwei Fu
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*/
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public class PolarisLeastConnectionLoadBalancer extends AbstractPolarisLoadBalancer {
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public PolarisLeastConnectionLoadBalancer(String serviceId, ObjectProvider<ServiceInstanceListSupplier> supplierObjectProvider, RouterAPI routerAPI) {
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super(serviceId, supplierObjectProvider, routerAPI);
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}
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@Override
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protected ProcessLoadBalanceRequest setProcessLoadBalanceRequest(ProcessLoadBalanceRequest req) {
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req.setLbPolicy(LoadBalanceConfig.LOAD_BALANCE_LEAST_CONNECTION);
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req.setCriteria(new Criteria());
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return req;
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}
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}
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 Tencent. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.loadbalancer;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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@ConfigurationProperties("spring.cloud.polaris.loadbalancer")
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public class PolarisLoadBalancerProperties {
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/**
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* Shortest response time load balancer.
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*/
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public ShortestResponseTime shortestResponseTime = new ShortestResponseTime();
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ShortestResponseTime getShortestResponseTime() {
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return shortestResponseTime;
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}
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void setShortestResponseTime(ShortestResponseTime shortestResponseTime) {
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this.shortestResponseTime = shortestResponseTime;
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}
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@Override
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public String toString() {
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return "PolarisLoadBalancerProperties{" +
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"shortestResponseTime=" + shortestResponseTime +
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'}';
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}
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public static class ShortestResponseTime {
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/**
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* Slide period in milliseconds. Default is 30s.
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*/
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private long slidePeriod = 30000;
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long getSlidePeriod() {
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return slidePeriod;
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}
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void setSlidePeriod(long slidePeriod) {
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this.slidePeriod = slidePeriod;
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}
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@Override
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public String toString() {
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return "ShortestResponseTime{" +
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"slidePeriod=" + slidePeriod +
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'}';
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}
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}
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}
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@ -0,0 +1,44 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 Tencent. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.loadbalancer;
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import com.tencent.polaris.api.config.consumer.LoadBalanceConfig;
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import com.tencent.polaris.api.rpc.Criteria;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import com.tencent.polaris.router.api.rpc.ProcessLoadBalanceRequest;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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/**
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* PolarisShortestResponseTimeLoadBalancer.
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*
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* @author Yuwei Fu
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*/
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public class PolarisShortestResponseTimeLoadBalancer extends AbstractPolarisLoadBalancer {
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public PolarisShortestResponseTimeLoadBalancer(String serviceId, ObjectProvider<ServiceInstanceListSupplier> supplierObjectProvider, RouterAPI routerAPI) {
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super(serviceId, supplierObjectProvider, routerAPI);
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}
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@Override
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protected ProcessLoadBalanceRequest setProcessLoadBalanceRequest(ProcessLoadBalanceRequest req) {
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req.setLbPolicy(LoadBalanceConfig.LOAD_BALANCE_SHORTEST_RESPONSE_TIME);
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req.setCriteria(new Criteria());
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return req;
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}
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}
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@ -0,0 +1,49 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 Tencent. All rights reserved.
|
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.loadbalancer;
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import com.tencent.cloud.common.constant.OrderConstant;
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import com.tencent.cloud.polaris.context.PolarisConfigModifier;
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import com.tencent.polaris.api.config.consumer.LoadBalanceConfig;
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import com.tencent.polaris.factory.config.ConfigurationImpl;
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import com.tencent.polaris.plugins.loadbalancer.shortestresponsetime.ShortestResponseTimeLoadBalanceConfig;
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public class PolarisShortestResponseTimeLoadBalancerConfigModifier implements PolarisConfigModifier {
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private final PolarisLoadBalancerProperties.ShortestResponseTime shortestResponseTime;
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public PolarisShortestResponseTimeLoadBalancerConfigModifier(
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PolarisLoadBalancerProperties.ShortestResponseTime shortestResponseTime) {
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this.shortestResponseTime = shortestResponseTime;
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}
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@Override
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public void modify(ConfigurationImpl configuration) {
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ShortestResponseTimeLoadBalanceConfig config = configuration.getConsumer().getLoadbalancer()
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.getPluginConfig(LoadBalanceConfig.LOAD_BALANCE_SHORTEST_RESPONSE_TIME, ShortestResponseTimeLoadBalanceConfig.class);
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config.setSlidePeriod(shortestResponseTime.getSlidePeriod());
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configuration.getConsumer().getLoadbalancer()
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.setPluginConfig(LoadBalanceConfig.LOAD_BALANCE_SHORTEST_RESPONSE_TIME,
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config);
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}
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@Override
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public int getOrder() {
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return OrderConstant.Modifier.LOAD_BALANCER_CONFIG_ORDER;
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}
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}
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@ -0,0 +1,171 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 Tencent. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.loadbalancer;
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import java.util.ArrayList;
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import java.util.List;
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import com.tencent.cloud.common.metadata.StaticMetadataManager;
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import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
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import com.tencent.cloud.common.pojo.PolarisServiceInstance;
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import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
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import com.tencent.polaris.api.exception.ErrorCode;
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import com.tencent.polaris.api.exception.PolarisException;
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import com.tencent.polaris.api.pojo.Instance;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse;
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import org.assertj.core.api.Assertions;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.Mock;
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import org.mockito.MockedStatic;
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import org.mockito.Mockito;
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import org.mockito.junit.jupiter.MockitoExtension;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.loadbalancer.Request;
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import org.springframework.cloud.client.loadbalancer.Response;
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import org.springframework.cloud.loadbalancer.core.NoopServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.context.ApplicationContext;
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import static com.tencent.cloud.common.metadata.MetadataContext.LOCAL_NAMESPACE;
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import static com.tencent.cloud.common.metadata.MetadataContext.LOCAL_SERVICE;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.anyString;
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import static org.mockito.Mockito.doReturn;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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/**
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* PolarisShortestResponseTimeLoadBalancerTest.
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*
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* @author Yuwei Fu
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*/
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@ExtendWith(MockitoExtension.class)
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public class PolarisLeastConnectionLoadBalancerTest {
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private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
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private static Instance testInstance;
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@Mock
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private RouterAPI routerAPI;
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@Mock
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private ObjectProvider<ServiceInstanceListSupplier> supplierObjectProvider;
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@BeforeAll
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static void beforeAll() {
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mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
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mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
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.thenReturn("unit-test");
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ApplicationContext applicationContext = mock(ApplicationContext.class);
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MetadataLocalProperties metadataLocalProperties = mock(MetadataLocalProperties.class);
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StaticMetadataManager staticMetadataManager = mock(StaticMetadataManager.class);
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doReturn(metadataLocalProperties).when(applicationContext).getBean(MetadataLocalProperties.class);
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doReturn(staticMetadataManager).when(applicationContext).getBean(StaticMetadataManager.class);
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mockedApplicationContextAwareUtils.when(ApplicationContextAwareUtils::getApplicationContext)
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.thenReturn(applicationContext);
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testInstance = Instance.createDefaultInstance("instance-id", LOCAL_NAMESPACE,
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LOCAL_SERVICE, "host", 8090);
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}
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@AfterAll
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static void afterAll() {
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mockedApplicationContextAwareUtils.close();
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}
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@Test
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public void chooseNormalLogicTest_thenReturnAvailablePolarisInstance() {
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Request request = Mockito.mock(Request.class);
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List<ServiceInstance> mockInstanceList = new ArrayList<>();
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mockInstanceList.add(new PolarisServiceInstance(testInstance));
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ServiceInstanceListSupplier serviceInstanceListSupplier = Mockito.mock(ServiceInstanceListSupplier.class);
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when(serviceInstanceListSupplier.get(request)).thenReturn(Flux.just(mockInstanceList));
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when(supplierObjectProvider.getIfAvailable(any())).thenReturn(serviceInstanceListSupplier);
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ProcessLoadBalanceResponse mockLbRes = new ProcessLoadBalanceResponse(testInstance);
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when(routerAPI.processLoadBalance(any())).thenReturn(mockLbRes);
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// request construct and execute invoke
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PolarisLeastConnectionLoadBalancer polarisLeastConnectionLoadBalancer = new PolarisLeastConnectionLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
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Mono<Response<ServiceInstance>> responseMono = polarisLeastConnectionLoadBalancer.choose(request);
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ServiceInstance serviceInstance = responseMono.block().getServer();
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// verify method has invoked
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verify(supplierObjectProvider).getIfAvailable(any());
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//result assert
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Assertions.assertThat(serviceInstance).isNotNull();
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Assertions.assertThat(serviceInstance instanceof PolarisServiceInstance).isTrue();
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PolarisServiceInstance polarisServiceInstance = (PolarisServiceInstance) serviceInstance;
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Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getId()).isEqualTo("instance-id");
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Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getNamespace()).isEqualTo(LOCAL_NAMESPACE);
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Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getService()).isEqualTo(LOCAL_SERVICE);
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Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getHost()).isEqualTo("host");
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Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getPort()).isEqualTo(8090);
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}
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@Test
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public void chooseExceptionTest_thenReturnEmptyInstance() {
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Request request = Mockito.mock(Request.class);
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List<ServiceInstance> mockInstanceList = new ArrayList<>();
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mockInstanceList.add(new PolarisServiceInstance(testInstance));
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ServiceInstanceListSupplier serviceInstanceListSupplier = Mockito.mock(ServiceInstanceListSupplier.class);
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when(serviceInstanceListSupplier.get(request)).thenReturn(Flux.just(mockInstanceList));
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when(supplierObjectProvider.getIfAvailable(any())).thenReturn(serviceInstanceListSupplier);
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when(routerAPI.processLoadBalance(any())).thenThrow(new PolarisException(ErrorCode.API_TIMEOUT));
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// request construct and execute invoke
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PolarisLeastConnectionLoadBalancer polarisLeastConnectionLoadBalancer = new PolarisLeastConnectionLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
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Mono<Response<ServiceInstance>> responseMono = polarisLeastConnectionLoadBalancer.choose(request);
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ServiceInstance serviceInstance = responseMono.block().getServer();
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// verify method has invoked
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verify(supplierObjectProvider).getIfAvailable(any());
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//result assert
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Assertions.assertThat(serviceInstance).isNull();
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}
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@Test
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public void chooseEmptySupplierTest_thenReturnEmptyInstance() {
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ServiceInstanceListSupplier noopSupplier = new NoopServiceInstanceListSupplier();
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when(supplierObjectProvider.getIfAvailable(any())).thenReturn(noopSupplier);
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// request construct and execute invoke
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PolarisLeastConnectionLoadBalancer polarisLeastConnectionLoadBalancer = new PolarisLeastConnectionLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
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Mono<Response<ServiceInstance>> responseMono = polarisLeastConnectionLoadBalancer.choose();
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ServiceInstance serviceInstance = responseMono.block().getServer();
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//result assert
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Assertions.assertThat(serviceInstance).isNull();
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}
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}
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@ -0,0 +1,171 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
|
||||
*
|
||||
* Copyright (C) 2021 Tencent. All rights reserved.
|
||||
*
|
||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
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package com.tencent.cloud.polaris.loadbalancer;
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import java.util.ArrayList;
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import java.util.List;
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import com.tencent.cloud.common.metadata.StaticMetadataManager;
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import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
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import com.tencent.cloud.common.pojo.PolarisServiceInstance;
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import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
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import com.tencent.polaris.api.exception.ErrorCode;
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import com.tencent.polaris.api.exception.PolarisException;
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import com.tencent.polaris.api.pojo.Instance;
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import com.tencent.polaris.router.api.core.RouterAPI;
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import com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse;
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import org.assertj.core.api.Assertions;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.Mock;
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import org.mockito.MockedStatic;
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import org.mockito.Mockito;
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import org.mockito.junit.jupiter.MockitoExtension;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.loadbalancer.Request;
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import org.springframework.cloud.client.loadbalancer.Response;
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import org.springframework.cloud.loadbalancer.core.NoopServiceInstanceListSupplier;
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import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
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import org.springframework.context.ApplicationContext;
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import static com.tencent.cloud.common.metadata.MetadataContext.LOCAL_NAMESPACE;
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import static com.tencent.cloud.common.metadata.MetadataContext.LOCAL_SERVICE;
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import static org.mockito.ArgumentMatchers.any;
|
||||
import static org.mockito.ArgumentMatchers.anyString;
|
||||
import static org.mockito.Mockito.doReturn;
|
||||
import static org.mockito.Mockito.mock;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* PolarisShortestResponseTimeBalancerTest.
|
||||
*
|
||||
* @author Yuwei Fu
|
||||
*/
|
||||
@ExtendWith(MockitoExtension.class)
|
||||
public class PolarisShortestResponseTimeLoadBalancerTest {
|
||||
|
||||
private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
|
||||
private static Instance testInstance;
|
||||
@Mock
|
||||
private RouterAPI routerAPI;
|
||||
@Mock
|
||||
private ObjectProvider<ServiceInstanceListSupplier> supplierObjectProvider;
|
||||
|
||||
@BeforeAll
|
||||
static void beforeAll() {
|
||||
mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
|
||||
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
|
||||
.thenReturn("unit-test");
|
||||
ApplicationContext applicationContext = mock(ApplicationContext.class);
|
||||
MetadataLocalProperties metadataLocalProperties = mock(MetadataLocalProperties.class);
|
||||
StaticMetadataManager staticMetadataManager = mock(StaticMetadataManager.class);
|
||||
doReturn(metadataLocalProperties).when(applicationContext).getBean(MetadataLocalProperties.class);
|
||||
doReturn(staticMetadataManager).when(applicationContext).getBean(StaticMetadataManager.class);
|
||||
mockedApplicationContextAwareUtils.when(ApplicationContextAwareUtils::getApplicationContext)
|
||||
.thenReturn(applicationContext);
|
||||
testInstance = Instance.createDefaultInstance("instance-id", LOCAL_NAMESPACE,
|
||||
LOCAL_SERVICE, "host", 8090);
|
||||
}
|
||||
|
||||
@AfterAll
|
||||
static void afterAll() {
|
||||
mockedApplicationContextAwareUtils.close();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void chooseNormalLogicTest_thenReturnAvailablePolarisInstance() {
|
||||
Request request = Mockito.mock(Request.class);
|
||||
List<ServiceInstance> mockInstanceList = new ArrayList<>();
|
||||
mockInstanceList.add(new PolarisServiceInstance(testInstance));
|
||||
|
||||
ServiceInstanceListSupplier serviceInstanceListSupplier = Mockito.mock(ServiceInstanceListSupplier.class);
|
||||
when(serviceInstanceListSupplier.get(request)).thenReturn(Flux.just(mockInstanceList));
|
||||
|
||||
when(supplierObjectProvider.getIfAvailable(any())).thenReturn(serviceInstanceListSupplier);
|
||||
|
||||
ProcessLoadBalanceResponse mockLbRes = new ProcessLoadBalanceResponse(testInstance);
|
||||
when(routerAPI.processLoadBalance(any())).thenReturn(mockLbRes);
|
||||
|
||||
// request construct and execute invoke
|
||||
PolarisShortestResponseTimeLoadBalancer PolarisShortestResponseTimeLoadBalancer = new PolarisShortestResponseTimeLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
|
||||
Mono<Response<ServiceInstance>> responseMono = PolarisShortestResponseTimeLoadBalancer.choose(request);
|
||||
ServiceInstance serviceInstance = responseMono.block().getServer();
|
||||
|
||||
// verify method has invoked
|
||||
verify(supplierObjectProvider).getIfAvailable(any());
|
||||
|
||||
//result assert
|
||||
Assertions.assertThat(serviceInstance).isNotNull();
|
||||
Assertions.assertThat(serviceInstance instanceof PolarisServiceInstance).isTrue();
|
||||
|
||||
PolarisServiceInstance polarisServiceInstance = (PolarisServiceInstance) serviceInstance;
|
||||
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getId()).isEqualTo("instance-id");
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getNamespace()).isEqualTo(LOCAL_NAMESPACE);
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getService()).isEqualTo(LOCAL_SERVICE);
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getHost()).isEqualTo("host");
|
||||
Assertions.assertThat(polarisServiceInstance.getPolarisInstance().getPort()).isEqualTo(8090);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void chooseExceptionTest_thenReturnEmptyInstance() {
|
||||
|
||||
Request request = Mockito.mock(Request.class);
|
||||
List<ServiceInstance> mockInstanceList = new ArrayList<>();
|
||||
mockInstanceList.add(new PolarisServiceInstance(testInstance));
|
||||
|
||||
ServiceInstanceListSupplier serviceInstanceListSupplier = Mockito.mock(ServiceInstanceListSupplier.class);
|
||||
when(serviceInstanceListSupplier.get(request)).thenReturn(Flux.just(mockInstanceList));
|
||||
|
||||
when(supplierObjectProvider.getIfAvailable(any())).thenReturn(serviceInstanceListSupplier);
|
||||
|
||||
when(routerAPI.processLoadBalance(any())).thenThrow(new PolarisException(ErrorCode.API_TIMEOUT));
|
||||
|
||||
// request construct and execute invoke
|
||||
PolarisShortestResponseTimeLoadBalancer polarisShortestResponseTimeLoadBalancer = new PolarisShortestResponseTimeLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
|
||||
Mono<Response<ServiceInstance>> responseMono = polarisShortestResponseTimeLoadBalancer.choose(request);
|
||||
ServiceInstance serviceInstance = responseMono.block().getServer();
|
||||
|
||||
// verify method has invoked
|
||||
verify(supplierObjectProvider).getIfAvailable(any());
|
||||
|
||||
//result assert
|
||||
Assertions.assertThat(serviceInstance).isNull();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void chooseEmptySupplierTest_thenReturnEmptyInstance() {
|
||||
ServiceInstanceListSupplier noopSupplier = new NoopServiceInstanceListSupplier();
|
||||
when(supplierObjectProvider.getIfAvailable(any())).thenReturn(noopSupplier);
|
||||
|
||||
// request construct and execute invoke
|
||||
PolarisShortestResponseTimeLoadBalancer polarisShortestResponseTimeLoadBalancer = new PolarisShortestResponseTimeLoadBalancer(LOCAL_SERVICE, supplierObjectProvider, routerAPI);
|
||||
Mono<Response<ServiceInstance>> responseMono = polarisShortestResponseTimeLoadBalancer.choose();
|
||||
ServiceInstance serviceInstance = responseMono.block().getServer();
|
||||
|
||||
//result assert
|
||||
Assertions.assertThat(serviceInstance).isNull();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue