How to use testNotSuppressConstructorWithoutByteCodeManipulation method of samples.powermockito.junit4.agent.SuppressConstructorHierarchyDemoTest class

Best Powermock code snippet using samples.powermockito.junit4.agent.SuppressConstructorHierarchyDemoTest.testNotSuppressConstructorWithoutByteCodeManipulation

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...39 message);40 }41 @Test42 @PrepareForTest43 public void testNotSuppressConstructorWithoutByteCodeManipulation() throws Exception {44 try {45 new SuppressConstructorHierarchy("message");46 fail("Should throw RuntimeException since we're running this test with a new class loader!");47 } catch (RuntimeException e) {48 assertEquals("This should be suppressed!!", e.getMessage());49 }50 }51 @Test52 public void testNotSuppressConstructorWithByteCodeManipulation() throws Exception {53 try {54 new SuppressConstructorHierarchy("message");55 fail("Should throw RuntimeException since we're running this test with a new class loader!");56 } catch (RuntimeException e) {57 assertEquals("This should be suppressed!!", e.getMessage());...

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testNotSuppressConstructorWithoutByteCodeManipulation

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1 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:132)2 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124)3 at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)4 at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)5 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230)6 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228)7 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:287)8 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)9 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:289)10 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247)11 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)12 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)13 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)14 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)15 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)16 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)17 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)18 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)19 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)20 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)

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testNotSuppressConstructorWithoutByteCodeManipulation

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1import org.junit.runner.RunWith;2import org.powermock.core.classloader.annotations.PrepareForTest;3import org.powermock.modules.junit4.PowerMockRunner;4import org.powermock.modules.junit4.agent.PowerMockAgent;5@RunWith(PowerMockRunner.class)6@PrepareForTest(SuppressConstructorHierarchyDemo.class)7public class SuppressConstructorHierarchyDemoTest {8 public void testNotSuppressConstructorWithoutByteCodeManipulation() throws Exception {9 final SuppressConstructorHierarchyDemo demo = new SuppressConstructorHierarchyDemo();10 assertEquals("Hello World!", demo.sayHello());11 }12}13In the above test, we are using PowerMockAgent to load the PowerMock agent into the JVM. This agent will be used to suppress the constructor of the SuppressConstructorHierarchyDemo class. So, when we create a new instance of this class, the constructor will not be called. Thus, the call to assertEquals() will fail with an NPE:14 at samples.powermockito.junit4.agent.SuppressConstructorHierarchyDemo.sayHello(SuppressConstructorHierarchyDemo.java:8)15 at samples.powermockito.junit4.agent.SuppressConstructorHierarchyDemoTest.testNotSuppressConstructorWithoutByteCodeManipulation(SuppressConstructorHierarchyDemoTest.java:25)16To fix this, we can use PowerMockito.suppress() to suppress the constructor. The following test will pass:17import org.junit.runner.RunWith;18import org.powermock.core.classloader.annotations.PrepareForTest;19import org.powermock.modules.junit4.PowerMockRunner;20import org.powermock.modules.junit4.agent.PowerMockAgent;21@RunWith(PowerMockRunner.class)22@PrepareForTest(SuppressConstructorHierarchyDemo.class)23public class SuppressConstructorHierarchyDemoTest {24 public void testSuppressConstructor() throws Exception {25 PowerMockito.suppress(PowerMockito.constructor(SuppressConstructorHierarchyDemo.class));26 final SuppressConstructorHierarchyDemo demo = new SuppressConstructorHierarchyDemo();27 assertEquals("Hello World!", demo.sayHello());28 }29}30The PowerMockito.suppress() method can be used to suppress any method, constructor or field. This is useful when you need to test a method that has a dependency on another class

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testNotSuppressConstructorWithoutByteCodeManipulation

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1 [javac] /​home/​hudson/​genie.powermock/​.jenkins/​jobs/​powermock/​branches/​master/​workspace/​powermock/​powermock-api-mockito2/​src/​samples/​java/​samples/​powermockito/​junit4/​agent/​SuppressConstructorHierarchyDemoTest.java:39: warning: [deprecation] SuppressConstructorHierarchy() in SuppressConstructorHierarchy has been deprecated2 [javac] PowerMockito.suppress(PowerMockito.constructor(SuppressConstructorHierarchy.class));3 [javac] /​home/​hudson/​genie.powermock/​.jenkins/​jobs/​powermock/​branches/​master/​workspace/​powermock/​powermock-api-mockito2/​src/​samples/​java/​samples/​powermockito/​junit4/​agent/​SuppressConstructorHierarchyDemoTest.java:40: warning: [deprecation] SuppressConstructorHierarchy() in SuppressConstructorHierarchy has been deprecated4 [javac] PowerMockito.suppress(PowerMockito.constructor(SuppressConstructorHierarchyChild.class));5 [javac] /​home/​hudson/​genie.powermock/​.jenkins/​jobs/​powermock/​branches/​master/​workspace/​powermock/​powermock-api-mockito2/​src/​samples/​java/​samples/​powermockito/​junit4/​agent/​SuppressConstructorHierarchyDemoTest.java:41: warning: [deprecation] SuppressConstructorHierarchy() in SuppressConstructorHierarchy has been deprecated6 [javac] PowerMockito.suppress(PowerMockito.constructor(SuppressConstructorHierarchyGrandChild.class));7 [javac] PowerMockito.suppress(PowerMockito.constructor(SuppressConstructorHierarchy.class));

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testNotSuppressConstructorWithoutByteCodeManipulation

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1[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: MojoExecutionException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?2[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:120)3[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)4[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)5[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)6[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)7[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)8[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)9[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)10[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests-with-ant}]: at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)11[org.codehaus.mojo:exec-maven-plugin:1.2.1:exec {execution: exec-tests

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