How to use loadAgentAndDetachFromThisVM method of org.powermock.modules.agent.AgentLoader class

Best Powermock code snippet using org.powermock.modules.agent.AgentLoader.loadAgentAndDetachFromThisVM

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...74 } else {75 vm = attachToThisVM();76 }77 if (vm != null) {78 loadAgentAndDetachFromThisVM(vm);79 return true;80 }81 return false;82 }83 @SuppressWarnings("UseOfSunClasses")84 private VirtualMachine getVirtualMachineImplementationFromEmbeddedOnes() {85 try {86 Class<? extends VirtualMachine> vmClass;87 if (File.separatorChar == '\\') {88 vmClass = WindowsVirtualMachine.class;89 } else {90 String osName = System.getProperty("os.name");91 if (osName.startsWith("Linux") || osName.startsWith("LINUX")) {92 vmClass = LinuxVirtualMachine.class;93 } else if (osName.startsWith("Mac OS X")) {94 vmClass = BsdVirtualMachine.class;95 } else if (osName.startsWith("Solaris")) {96 vmClass = SolarisVirtualMachine.class;97 } else {98 return null;99 }100 }101 /​/​ This is only done with Reflection to avoid the JVM pre-loading all the XyzVirtualMachine classes.102 Class<?>[] parameterTypes = {AttachProvider.class, String.class};103 VirtualMachine newVM = null;104 try {105 newVM = Whitebox.invokeConstructor(vmClass, parameterTypes, new Object[]{ATTACH_PROVIDER, pid});106 } catch (Exception e) {107 throw new RuntimeException(e);108 }109 return newVM;110 } catch (UnsatisfiedLinkError e) {111 throw new IllegalStateException("Native library for Attach API not available in this JRE", e);112 }113 }114 private VirtualMachine attachToThisVM() {115 try {116 return VirtualMachine.attach(pid);117 } catch (AttachNotSupportedException e) {118 throw new RuntimeException(e);119 } catch (IOException e) {120 throw new RuntimeException(e);121 }122 }123 private void loadAgentAndDetachFromThisVM(VirtualMachine vm) {124 try {125 vm.loadAgent(jarFilePath, null);126 vm.detach();127 } catch (AgentLoadException e) {128 throw new RuntimeException(e);129 } catch (AgentInitializationException e) {130 throw new RuntimeException(e);131 } catch (IOException e) {132 throw new RuntimeException(e);133 }134 }135}...

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loadAgentAndDetachFromThisVM

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1import org.powermock.modules.agent.AgentLoader;2import java.lang.instrument.IllegalClassFormatException;3public class LoadAgentAndDetachFromThisVM {4 public static void main(String[] args) throws Exception {5 AgentLoader.loadAgentAndDetachFromThisVM();6 }7}8import org.powermock.api.mockito.PowerMockito;9import static org.powermock.api.mockito.PowerMockito.mockStatic;10public class LoadAgentAndDetachFromThisVM {11 public static void main(String[] args) throws Exception {12 AgentLoader.loadAgentAndDetachFromThisVM();13 mockStatic(StaticClass.class);14 PowerMockito.when(StaticClass.staticMethod()).thenReturn("Mocked value");15 }16}17import org.powermock.api.mockito.PowerMockito;18import static org.powermock.api.mockito.PowerMockito.mockStatic;19public class LoadAgentAndDetachFromThisVM {20 @PrepareForTest(StaticClass.class)21 public static void main(String[] args) throws Exception {22 AgentLoader.loadAgentAndDetachFromThisVM();23 mockStatic(StaticClass.class);24 PowerMockito.when(StaticClass.staticMethod()).thenReturn("Mocked value");25 }26}27In the above code snippet, we are mocking the static method staticMethod() of StaticClass class by using PowerMockito.when() method. We are using

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loadAgentAndDetachFromThisVM

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1package com.example;2import org.powermock.modules.agent.AgentLoader;3public class PowerMockAgentLoader {4 public static void main(String[] args) throws Exception {5 AgentLoader.loadAgentAndDetachFromThisVM();6 }7}8 0 File(s) 0 bytes9 3 Dir(s) 34,360,686,848 bytes free

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