| /* |
| * 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.qps; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.times; |
| |
| import org.apache.servicecomb.core.Const; |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.definition.OperationMeta; |
| import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils; |
| import org.apache.servicecomb.qps.strategy.AbstractQpsStrategy; |
| import org.apache.servicecomb.qps.strategy.FixedWindowStrategy; |
| import org.apache.servicecomb.swagger.invocation.AsyncResponse; |
| import org.apache.servicecomb.swagger.invocation.exception.CommonExceptionData; |
| import org.apache.servicecomb.swagger.invocation.exception.InvocationException; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mockito; |
| |
| import mockit.Expectations; |
| import mockit.Injectable; |
| import mockit.Mock; |
| import mockit.MockUp; |
| |
| public class TestProviderQpsFlowControlHandler { |
| ProviderQpsFlowControlHandler handler; |
| |
| Invocation invocation = Mockito.mock(Invocation.class); |
| |
| AsyncResponse asyncResp = Mockito.mock(AsyncResponse.class); |
| |
| @Rule |
| public ExpectedException expectedException = ExpectedException.none(); |
| |
| @Before |
| public void setUP() { |
| ArchaiusUtils.resetConfig(); |
| handler = new ProviderQpsFlowControlHandler(); |
| ArchaiusUtils.setProperty(Config.PROVIDER_LIMIT_KEY_PREFIX + "test", 1); |
| } |
| |
| @After |
| public void afterTest() { |
| ArchaiusUtils.resetConfig(); |
| } |
| |
| @Test |
| public void testGlobalQpsControl(final @Injectable Invocation invocation, |
| final @Injectable AsyncResponse asyncResp) throws Exception { |
| new Expectations() { |
| { |
| invocation.getHandlerIndex(); |
| result = 0; |
| invocation.getContext(Const.SRC_MICROSERVICE); |
| result = "test"; |
| invocation.getOperationMeta(); |
| result = QpsControllerManagerTest.getMockOperationMeta("pojo", "server", "opr"); |
| invocation.getSchemaId(); |
| result = "server"; |
| asyncResp.producerFail((Throwable) any); |
| result = new RuntimeException("test error"); |
| } |
| }; |
| |
| ProviderQpsFlowControlHandler gHandler = new ProviderQpsFlowControlHandler(); |
| gHandler.handle(invocation, asyncResp); |
| |
| ArchaiusUtils.setProperty(Config.PROVIDER_LIMIT_KEY_GLOBAL, 3); |
| |
| expectedException.expect(RuntimeException.class); |
| expectedException.expectMessage("test error"); |
| |
| gHandler.handle(invocation, asyncResp); |
| gHandler.handle(invocation, asyncResp); |
| } |
| |
| @Test |
| public void testQpsController() { |
| AbstractQpsStrategy qpsStrategy = new FixedWindowStrategy(); |
| qpsStrategy.setKey("abc"); |
| qpsStrategy.setQpsLimit(100L); |
| assertFalse(qpsStrategy.isLimitNewRequest()); |
| |
| qpsStrategy.setQpsLimit(1L); |
| assertTrue(qpsStrategy.isLimitNewRequest()); |
| } |
| |
| @Test |
| public void testHandleOnSourceMicroserviceNameIsNull() throws Exception { |
| Mockito.when(invocation.getContext(Const.SRC_MICROSERVICE)).thenReturn(null); |
| OperationMeta operationMeta = QpsControllerManagerTest.getMockOperationMeta("pojo", "server", "opr"); |
| Mockito.when(invocation.getOperationMeta()).thenReturn(operationMeta); |
| Mockito.when(invocation.getSchemaId()).thenReturn("server"); |
| // only when handler index <= 0, the qps logic works |
| Mockito.when(invocation.getHandlerIndex()).thenReturn(0); |
| ArchaiusUtils.setProperty("servicecomb.flowcontrol.Provider.qps.global.limit", 1); |
| |
| handler.handle(invocation, asyncResp); |
| handler.handle(invocation, asyncResp); |
| |
| // Invocation#getContext(String) is only invoked when the qps logic works |
| Mockito.verify(invocation, times(2)).getContext(Const.SRC_MICROSERVICE); |
| Mockito.verify(asyncResp, times(1)).producerFail(Mockito.any(Exception.class)); |
| } |
| |
| @Test |
| public void testHandleOnSourceOnHandlerIndexIsGreaterThan0() throws Exception { |
| Mockito.when(invocation.getContext(Const.SRC_MICROSERVICE)).thenReturn(null); |
| |
| Mockito.when(invocation.getHandlerIndex()).thenReturn(1); |
| handler.handle(invocation, asyncResp); |
| handler.handle(invocation, asyncResp); |
| |
| Mockito.verify(invocation, times(0)).getContext(Mockito.anyString()); |
| } |
| |
| @Test |
| public void testHandle() throws Exception { |
| Mockito.when(invocation.getContext(Const.SRC_MICROSERVICE)).thenReturn("test"); |
| OperationMeta mockOperationMeta = QpsControllerManagerTest.getMockOperationMeta("pojo", "server", "opr"); |
| Mockito.when(invocation.getOperationMeta()).thenReturn(mockOperationMeta); |
| Mockito.when(invocation.getSchemaId()).thenReturn("server"); |
| |
| new MockUp<QpsControllerManager>() { |
| @Mock |
| private QpsStrategy create(String qualifiedNameKey) { |
| AbstractQpsStrategy strategy = new FixedWindowStrategy(); |
| strategy.setKey(qualifiedNameKey); |
| strategy.setQpsLimit(1L); |
| return strategy; |
| } |
| }; |
| |
| handler.handle(invocation, asyncResp); |
| handler.handle(invocation, asyncResp); |
| |
| ArgumentCaptor<InvocationException> captor = ArgumentCaptor.forClass(InvocationException.class); |
| Mockito.verify(asyncResp, times(1)).producerFail(captor.capture()); |
| |
| InvocationException invocationException = captor.getValue(); |
| assertEquals(QpsConst.TOO_MANY_REQUESTS_STATUS, invocationException.getStatus()); |
| assertEquals("provider request rejected by qps flowcontrol", |
| ((CommonExceptionData) invocationException.getErrorData()).getMessage()); |
| } |
| |
| @Test |
| public void testHandleIsLimitNewRequestAsFalse() throws Exception { |
| Mockito.when(invocation.getContext(Const.SRC_MICROSERVICE)).thenReturn("test"); |
| OperationMeta mockOperationMeta = QpsControllerManagerTest |
| .getMockOperationMeta("pojo", "server", "opr"); |
| Mockito.when(invocation.getOperationMeta()).thenReturn(mockOperationMeta); |
| Mockito.when(invocation.getSchemaId()).thenReturn("server"); |
| |
| new MockUp<QpsControllerManager>() { |
| @Mock |
| private QpsStrategy create(String qualifiedNameKey) { |
| AbstractQpsStrategy strategy = new FixedWindowStrategy(); |
| strategy.setKey(qualifiedNameKey); |
| strategy.setQpsLimit(1L); |
| return strategy; |
| } |
| }; |
| handler.handle(invocation, asyncResp); |
| |
| Mockito.verify(invocation, times(0)).next(asyncResp); |
| Mockito.verify(asyncResp, times(0)).producerFail(Mockito.any(Exception.class)); |
| } |
| } |