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fix parent class enhance issue #757
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27 changes: 27 additions & 0 deletions
27
...bytebuddy-patch/src/test/java/org/apache/skywalking/apm/agent/bytebuddy/biz/ChildBar.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * 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. | ||
| * | ||
| */ | ||
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| package org.apache.skywalking.apm.agent.bytebuddy.biz; | ||
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| public class ChildBar extends ParentBar { | ||
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| public String sayHelloChild() { | ||
| return "Joe"; | ||
| } | ||
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| } |
26 changes: 26 additions & 0 deletions
26
...ytebuddy-patch/src/test/java/org/apache/skywalking/apm/agent/bytebuddy/biz/ParentBar.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * 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. | ||
| * | ||
| */ | ||
|
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| package org.apache.skywalking.apm.agent.bytebuddy.biz; | ||
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| public class ParentBar { | ||
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| public String sayHelloParent() { | ||
| return "Joe"; | ||
| } | ||
| } |
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62 changes: 62 additions & 0 deletions
62
...patch/src/test/java/org/apache/skywalking/apm/agent/bytebuddy/cases/ReTransform4Test.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * 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. | ||
| * | ||
| */ | ||
|
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| package org.apache.skywalking.apm.agent.bytebuddy.cases; | ||
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| import net.bytebuddy.agent.ByteBuddyAgent; | ||
| import org.apache.skywalking.apm.agent.bytebuddy.biz.ChildBar; | ||
| import org.apache.skywalking.apm.agent.bytebuddy.biz.ParentBar; | ||
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance; | ||
| import org.junit.Test; | ||
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| import java.lang.instrument.Instrumentation; | ||
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| public class ReTransform4Test extends AbstractReTransformTest { | ||
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| @Test | ||
| public void testInterceptConstructor() throws Exception { | ||
| Instrumentation instrumentation = ByteBuddyAgent.install(); | ||
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| // install transformer | ||
| installMethodInterceptor(PARENT_BAR_CLASS_NAME, "sayHelloParent", 1); | ||
| installMethodInterceptor(CHILD_BAR_CLASS_NAME, "sayHelloChild", 1); | ||
| // implement EnhancedInstance | ||
| installInterface(PARENT_BAR_CLASS_NAME); | ||
| installInterface(CHILD_BAR_CLASS_NAME); | ||
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| // call target class | ||
| callBar(1); | ||
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| // check interceptors | ||
| checkInterface(ParentBar.class, EnhancedInstance.class); | ||
| checkInterface(ChildBar.class, EnhancedInstance.class); | ||
| checkErrors(); | ||
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| installTraceClassTransformer("Trace class: "); | ||
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| // do retransform | ||
| reTransform(instrumentation, ChildBar.class); | ||
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| // check interceptors | ||
| checkInterface(ParentBar.class, EnhancedInstance.class); | ||
| checkInterface(ChildBar.class, EnhancedInstance.class); | ||
| checkErrors(); | ||
| } | ||
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| } | ||
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