Fix test failure in sentinel-grpc-adapter

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

sentinel-adapter/sentinel-grpc-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/grpc/SentinelGrpcClientInterceptorDegradeTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.adapter.grpc;
 
 import com.alibaba.csp.sentinel.EntryType;
@@ -9,6 +24,7 @@ import com.alibaba.csp.sentinel.adapter.grpc.gen.FooRequest;
 import com.alibaba.csp.sentinel.adapter.grpc.gen.FooResponse;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
 import com.alibaba.csp.sentinel.slots.clusterbuilder.ClusterBuilderSlot;
+
 import io.grpc.StatusRuntimeException;
 import org.junit.After;
 import org.junit.Test;
@@ -20,19 +36,13 @@ import static org.junit.Assert.*;
 
 /**
  * @author zhengzechao
- * @date 2018/12/7
- * Email ooczzoo@gmail.com
  */
 public class SentinelGrpcClientInterceptorDegradeTest {
 
     private final String resourceName = "com.alibaba.sentinel.examples.FooService/helloWithEx";
-    private final int threshold = 2;
     private final GrpcTestServer server = new GrpcTestServer();
     private final int timeWindow = 10;
 
-
-
-
     private void configureDegradeRule(int count) {
         DegradeRule rule = new DegradeRule()
             .setCount(count)
@@ -42,11 +52,8 @@ public class SentinelGrpcClientInterceptorDegradeTest {
             .as(DegradeRule.class)
             .setTimeWindow(timeWindow);
         DegradeRuleManager.loadRules(Collections.singletonList(rule));
-
-
     }
 
-
     private boolean sendRequest(FooServiceClient client) {
         try {
             FooResponse response = client.helloWithEx(FooRequest.newBuilder().setName("Sentinel").setId(666).build());
@@ -58,7 +65,6 @@ public class SentinelGrpcClientInterceptorDegradeTest {
         }
     }
 
-
     @Test
     public void testGrpcClientInterceptor_degrade() throws IOException {
         final int port = 19316;
@@ -71,7 +77,7 @@ public class SentinelGrpcClientInterceptorDegradeTest {
         assertFalse(sendErrorRequest(client));
         ClusterNode clusterNode = ClusterBuilderSlot.getClusterNode(resourceName, EntryType.OUT);
         assertNotNull(clusterNode);
-        assertEquals(1, clusterNode.exceptionQps());
+        assertEquals(1, clusterNode.exceptionQps(), 0.01);
         // The second request will be blocked.
         assertFalse(sendRequest(client));
         assertEquals(1, clusterNode.blockRequest());

sentinel-adapter/sentinel-grpc-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/grpc/SentinelGrpcServerInterceptorDegradeTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.adapter.grpc;
 
 import com.alibaba.csp.sentinel.EntryType;
@@ -9,6 +24,7 @@ import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
 import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
 import com.alibaba.csp.sentinel.slots.clusterbuilder.ClusterBuilderSlot;
+
 import io.grpc.StatusRuntimeException;
 import org.junit.After;
 import org.junit.Test;
@@ -21,19 +37,14 @@ import static org.junit.Assert.*;
 
 /**
  * @author zhengzechao
- * @date 2018/12/7
- * Email ooczzoo@gmail.com
  */
 public class SentinelGrpcServerInterceptorDegradeTest {
 
     private final String resourceName = "com.alibaba.sentinel.examples.FooService/anotherHelloWithEx";
-    private final int threshold = 4;
     private final GrpcTestServer server = new GrpcTestServer();
     private final int timeWindow = 10;
     private FooServiceClient client;
 
-
-
     private void configureDegradeRule(int count) {
         DegradeRule rule = new DegradeRule()
             .setCount(count)
@@ -43,14 +54,12 @@ public class SentinelGrpcServerInterceptorDegradeTest {
             .as(DegradeRule.class)
             .setTimeWindow(timeWindow);
         DegradeRuleManager.loadRules(Collections.singletonList(rule));
-
-
     }
 
-
     private boolean sendRequest() {
         try {
-            FooResponse response = client.anotherHelloWithEx(FooRequest.newBuilder().setName("Sentinel").setId(666).build());
+            FooResponse response = client.anotherHelloWithEx(FooRequest.newBuilder().setName("Sentinel").setId(666)
+                .build());
             System.out.println("Response: " + response);
             return true;
         } catch (StatusRuntimeException ex) {
@@ -59,10 +68,6 @@ public class SentinelGrpcServerInterceptorDegradeTest {
         }
     }
 
-
-
-
-
     @Test
     public void testGrpcServerInterceptor_degrade_fail_threads() throws IOException, InterruptedException {
         final int port = 19349;
@@ -91,7 +96,8 @@ public class SentinelGrpcServerInterceptorDegradeTest {
 
     private boolean sendErrorRequest() {
         try {
-            FooResponse response = client.anotherHelloWithEx(FooRequest.newBuilder().setName("Sentinel").setId(-1).build());
+            FooResponse response = client.anotherHelloWithEx(FooRequest.newBuilder().setName("Sentinel").setId(-1)
+                .build());
             System.out.println("Response: " + response);
             return true;
         } catch (StatusRuntimeException ex) {
@@ -100,7 +106,6 @@ public class SentinelGrpcServerInterceptorDegradeTest {
         }
     }
 
-
     @After
     public void cleanUp() {
         FlowRuleManager.loadRules(null);