| /* |
| * 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.governance; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.servicecomb.governance.handler.RateLimitingHandler; |
| import org.apache.servicecomb.governance.marker.GovernanceRequest; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.Test; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.boot.test.context.SpringBootTest; |
| import org.springframework.test.context.ContextConfiguration; |
| |
| import io.github.resilience4j.decorators.Decorators; |
| import io.github.resilience4j.decorators.Decorators.DecorateCheckedSupplier; |
| import io.github.resilience4j.ratelimiter.RateLimiter; |
| import io.github.resilience4j.ratelimiter.RequestNotPermitted; |
| |
| @SpringBootTest |
| @ContextConfiguration(classes = {GovernanceConfiguration.class, MockConfiguration.class}) |
| public class FlowControlTest { |
| private RateLimitingHandler rateLimitingHandler; |
| |
| @Autowired |
| public void setRateLimitingHandler(RateLimitingHandler rateLimitingHandler) { |
| this.rateLimitingHandler = rateLimitingHandler; |
| } |
| |
| public FlowControlTest() { |
| } |
| |
| @Test |
| public void test_rate_limiting_work() throws Throwable { |
| DecorateCheckedSupplier<Object> ds = Decorators.ofCheckedSupplier(() -> "test"); |
| |
| GovernanceRequest request = new GovernanceRequest(); |
| request.setUri("/hello"); |
| |
| RateLimiter rateLimiter = rateLimitingHandler.getActuator(request); |
| ds.withRateLimiter(rateLimiter); |
| |
| Assertions.assertEquals("test", ds.get()); |
| |
| // flow control |
| CountDownLatch cd = new CountDownLatch(10); |
| AtomicBoolean expected = new AtomicBoolean(false); |
| AtomicBoolean notExpected = new AtomicBoolean(false); |
| for (int i = 0; i < 10; i++) { |
| new Thread(() -> { |
| try { |
| Object result = ds.get(); |
| if (!"test".equals(result)) { |
| notExpected.set(true); |
| } |
| } catch (Throwable e) { |
| if (e instanceof RequestNotPermitted) { |
| expected.set(true); |
| } else { |
| notExpected.set(true); |
| } |
| } |
| cd.countDown(); |
| }).start(); |
| } |
| cd.await(1, TimeUnit.SECONDS); |
| Assertions.assertTrue(expected.get()); |
| Assertions.assertFalse(notExpected.get()); |
| } |
| |
| @Test |
| public void test_rate_limiting_service_name_work() throws Throwable { |
| DecorateCheckedSupplier<Object> ds = Decorators.ofCheckedSupplier(() -> "test"); |
| |
| GovernanceRequest request = new GovernanceRequest(); |
| request.setUri("/helloServiceName"); |
| request.setServiceName("srcService"); |
| |
| RateLimiter rateLimiter = rateLimitingHandler.getActuator(request); |
| ds.withRateLimiter(rateLimiter); |
| |
| Assertions.assertEquals("test", ds.get()); |
| |
| // flow control |
| CountDownLatch cd = new CountDownLatch(10); |
| AtomicBoolean expected = new AtomicBoolean(false); |
| AtomicBoolean notExpected = new AtomicBoolean(false); |
| for (int i = 0; i < 10; i++) { |
| new Thread(() -> { |
| try { |
| Object result = ds.get(); |
| if (!"test".equals(result)) { |
| notExpected.set(true); |
| } |
| } catch (Throwable e) { |
| if (e instanceof RequestNotPermitted) { |
| expected.set(true); |
| } else { |
| notExpected.set(true); |
| } |
| } |
| cd.countDown(); |
| }).start(); |
| } |
| cd.await(1, TimeUnit.SECONDS); |
| Assertions.assertTrue(expected.get()); |
| Assertions.assertFalse(notExpected.get()); |
| } |
| } |